PHP7.27: MySqlhelper class
https://github.com/ThingEngineer/PHP-MySQLi-Database-Class
https://github.com/wildantea/php-pdo-mysql-helper-class
MysqliDb.php
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2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 | <?php/** * MysqliDb Class * * @category Database Access * @package MysqliDb * @author Jeffery Way <jeffrey@jeffrey-way.com> * @author Josh Campbell <jcampbell@ajillion.com> * @author Alexander V. Butenko <a.butenka@gmail.com> * @copyright Copyright (c) 2010-2017 * @license http://opensource.org/licenses/gpl-3.0.html GNU Public License * @link http://github.com/joshcam/PHP-MySQLi-Database-Class @link https://github.com/ThingEngineer/PHP-MySQLi-Database-Class * @version 2.9.2 */class MysqliDb{ /** * Static instance of self * @var MysqliDb */ protected static $_instance; /** * Table prefix * @var string */ public static $prefix = ''; /** * MySQLi instances * @var mysqli[] */ protected $_mysqli = array(); /** * The SQL query to be prepared and executed * @var string */ protected $_query; /** * The previously executed SQL query * @var string */ protected $_lastQuery; /** * The SQL query options required after SELECT, INSERT, UPDATE or DELETE * @var array */ protected $_queryOptions = array(); /** * An array that holds where joins * @var array */ protected $_join = array(); /** * An array that holds where conditions * @var array */ protected $_where = array(); /** * An array that holds where join ands * * @var array */ protected $_joinAnd = array(); /** * An array that holds having conditions * @var array */ protected $_having = array(); /** * Dynamic type list for order by condition value * @var array */ protected $_orderBy = array(); /** * Dynamic type list for group by condition value * @var array */ protected $_groupBy = array(); /** * Dynamic type list for tempromary locking tables. * @var array */ protected $_tableLocks = array(); /** * Variable which holds the current table lock method. * @var string */ protected $_tableLockMethod = "READ"; /** * Dynamic array that holds a combination of where condition/table data value types and parameter references * @var array */ protected $_bindParams = array(''); // Create the empty 0 index /** * Variable which holds an amount of returned rows during get/getOne/select queries * @var string */ public $count = 0; /** * Variable which holds an amount of returned rows during get/getOne/select queries with withTotalCount() * @var string */ public $totalCount = 0; /** * Variable which holds last statement error * @var string */ protected $_stmtError; /** * Variable which holds last statement error code * @var int */ protected $_stmtErrno; /** * Is Subquery object * @var bool */ protected $isSubQuery = false; /** * Name of the auto increment column * @var int */ protected $_lastInsertId = null; /** * Column names for update when using onDuplicate method * @var array */ protected $_updateColumns = null; /** * Return type: 'array' to return results as array, 'object' as object * 'json' as json string * @var string */ public $returnType = 'array'; /** * Should join() results be nested by table * @var bool */ protected $_nestJoin = false; /** * Table name (with prefix, if used) * @var string */ private $_tableName = ''; /** * FOR UPDATE flag * @var bool */ protected $_forUpdate = false; /** * LOCK IN SHARE MODE flag * @var bool */ protected $_lockInShareMode = false; /** * Key field for Map()'ed result array * @var string */ protected $_mapKey = null; /** * Variables for query execution tracing */ protected $traceStartQ; protected $traceEnabled; protected $traceStripPrefix; public $trace = array(); /** * Per page limit for pagination * * @var int */ public $pageLimit = 20; /** * Variable that holds total pages count of last paginate() query * * @var int */ public $totalPages = 0; /** * @var array connections settings [profile_name=>[same_as_contruct_args]] */ protected $connectionsSettings = array(); /** * @var string the name of a default (main) mysqli connection */ public $defConnectionName = 'default'; public $autoReconnect = true; protected $autoReconnectCount = 0; /** * @var bool Operations in transaction indicator */ protected $_transaction_in_progress = false; /** * @param string $host * @param string $username * @param string $password * @param string $db * @param int $port * @param string $charset * @param string $socket */ public function __construct($host = null, $username = null, $password = null, $db = null, $port = null, $charset = 'utf8', $socket = null) { $isSubQuery = false; // if params were passed as array if (is_array($host)) { foreach ($host as $key => $val) { $$key = $val; } } $this->addConnection('default', array( 'host' => $host, 'username' => $username, 'password' => $password, 'db' => $db, 'port' => $port, 'socket' => $socket, 'charset' => $charset )); if ($isSubQuery) { $this->isSubQuery = true; return; } if (isset($prefix)) { $this->setPrefix($prefix); } self::$_instance = $this; } /** * A method to connect to the database * * @param null|string $connectionName * @throws Exception * @return void */ public function connect($connectionName = 'default') { if(!isset($this->connectionsSettings[$connectionName])) throw new Exception('Connection profile not set'); $pro = $this->connectionsSettings[$connectionName]; $params = array_values($pro); $charset = array_pop($params); if ($this->isSubQuery) { return; } if (empty($pro['host']) && empty($pro['socket'])) { throw new Exception('MySQL host or socket is not set'); } $mysqlic = new ReflectionClass('mysqli'); $mysqli = $mysqlic->newInstanceArgs($params); if ($mysqli->connect_error) { throw new Exception('Connect Error ' . $mysqli->connect_errno . ': ' . $mysqli->connect_error, $mysqli->connect_errno); } if (!empty($charset)) { $mysqli->set_charset($charset); } $this->_mysqli[$connectionName] = $mysqli; } public function disconnectAll() { foreach (array_keys($this->_mysqli) as $k) { $this->disconnect($k); } } /** * Set the connection name to use in the next query * @param string $name * @return $this * @throws Exception */ public function connection($name) { if (!isset($this->connectionsSettings[$name])) throw new Exception('Connection ' . $name . ' was not added.'); $this->defConnectionName = $name; return $this; } /** * A method to disconnect from the database * * @params string $connection connection name to disconnect * @throws Exception * @return void */ public function disconnect($connection = 'default') { if (!isset($this->_mysqli[$connection])) return; $this->_mysqli[$connection]->close(); unset($this->_mysqli[$connection]); } /** * Create & store at _mysqli new mysqli instance * @param string $name * @param array $params * @return $this */ public function addConnection($name, array $params) { $this->connectionsSettings[$name] = array(); foreach (array('host', 'username', 'password', 'db', 'port', 'socket', 'charset') as $k) { $prm = isset($params[$k]) ? $params[$k] : null; if ($k == 'host') { if (is_object($prm)) $this->_mysqli[$name] = $prm; if (!is_string($prm)) $prm = null; } $this->connectionsSettings[$name][$k] = $prm; } return $this; } /** * A method to get mysqli object or create it in case needed * * @return mysqli */ public function mysqli() { if (!isset($this->_mysqli[$this->defConnectionName])) { $this->connect($this->defConnectionName); } return $this->_mysqli[$this->defConnectionName]; } /** * A method of returning the static instance to allow access to the * instantiated object from within another class. * Inheriting this class would require reloading connection info. * * @uses $db = MySqliDb::getInstance(); * * @return MysqliDb Returns the current instance. */ public static function getInstance() { return self::$_instance; } /** * Reset states after an execution * * @return MysqliDb Returns the current instance. */ protected function reset() { if ($this->traceEnabled) { $this->trace[] = array($this->_lastQuery, (microtime(true) - $this->traceStartQ), $this->_traceGetCaller()); } $this->_where = array(); $this->_having = array(); $this->_join = array(); $this->_joinAnd = array(); $this->_orderBy = array(); $this->_groupBy = array(); $this->_bindParams = array(''); // Create the empty 0 index $this->_query = null; $this->_queryOptions = array(); $this->returnType = 'array'; $this->_nestJoin = false; $this->_forUpdate = false; $this->_lockInShareMode = false; $this->_tableName = ''; $this->_lastInsertId = null; $this->_updateColumns = null; $this->_mapKey = null; if(!$this->_transaction_in_progress ) { $this->defConnectionName = 'default'; } $this->autoReconnectCount = 0; return $this; } /** * Helper function to create dbObject with JSON return type * * @return MysqliDb */ public function jsonBuilder() { $this->returnType = 'json'; return $this; } /** * Helper function to create dbObject with array return type * Added for consistency as thats default output type * * @return MysqliDb */ public function arrayBuilder() { $this->returnType = 'array'; return $this; } /** * Helper function to create dbObject with object return type. * * @return MysqliDb */ public function objectBuilder() { $this->returnType = 'object'; return $this; } /** * Method to set a prefix * * @param string $prefix Contains a tableprefix * * @return MysqliDb */ public function setPrefix($prefix = '') { self::$prefix = $prefix; return $this; } /** * Pushes a unprepared statement to the mysqli stack. * WARNING: Use with caution. * This method does not escape strings by default so make sure you'll never use it in production. * * @author Jonas Barascu * @param [[Type]] $query [[Description]] */ private function queryUnprepared($query) { // Execute query $stmt = $this->mysqli()->query($query); // Failed? if ($stmt !== false) return $stmt; if ($this->mysqli()->errno === 2006 && $this->autoReconnect === true && $this->autoReconnectCount === 0) { $this->connect($this->defConnectionName); $this->autoReconnectCount++; return $this->queryUnprepared($query); } throw new Exception(sprintf('Unprepared Query Failed, ERRNO: %u (%s)', $this->mysqli()->errno, $this->mysqli()->error), $this->mysqli()->errno); } /** * Execute raw SQL query. * * @param string $query User-provided query to execute. * @param array $bindParams Variables array to bind to the SQL statement. * * @return array Contains the returned rows from the query. */ public function rawQuery($query, $bindParams = null) { $params = array(''); // Create the empty 0 index $this->_query = $query; $stmt = $this->_prepareQuery(); if (is_array($bindParams) === true) { foreach ($bindParams as $prop => $val) { $params[0] .= $this->_determineType($val); array_push($params, $bindParams[$prop]); } call_user_func_array(array($stmt, 'bind_param'), $this->refValues($params)); } $stmt->execute(); $this->count = $stmt->affected_rows; $this->_stmtError = $stmt->error; $this->_stmtErrno = $stmt->errno; $this->_lastQuery = $this->replacePlaceHolders($this->_query, $params); $res = $this->_dynamicBindResults($stmt); $this->reset(); return $res; } /** * Helper function to execute raw SQL query and return only 1 row of results. * Note that function do not add 'limit 1' to the query by itself * Same idea as getOne() * * @param string $query User-provided query to execute. * @param array $bindParams Variables array to bind to the SQL statement. * * @return array|null Contains the returned row from the query. */ public function rawQueryOne($query, $bindParams = null) { $res = $this->rawQuery($query, $bindParams); if (is_array($res) && isset($res[0])) { return $res[0]; } return null; } /** * Helper function to execute raw SQL query and return only 1 column of results. * If 'limit 1' will be found, then string will be returned instead of array * Same idea as getValue() * * @param string $query User-provided query to execute. * @param array $bindParams Variables array to bind to the SQL statement. * * @return mixed Contains the returned rows from the query. */ public function rawQueryValue($query, $bindParams = null) { $res = $this->rawQuery($query, $bindParams); if (!$res) { return null; } $limit = preg_match('/limit\s+1;?$/i', $query); $key = key($res[0]); if (isset($res[0][$key]) && $limit == true) { return $res[0][$key]; } $newRes = Array(); for ($i = 0; $i < $this->count; $i++) { $newRes[] = $res[$i][$key]; } return $newRes; } /** * A method to perform select query * * @param string $query Contains a user-provided select query. * @param int|array $numRows Array to define SQL limit in format Array ($offset, $count) * * @return array Contains the returned rows from the query. */ public function query($query, $numRows = null) { $this->_query = $query; $stmt = $this->_buildQuery($numRows); $stmt->execute(); $this->_stmtError = $stmt->error; $this->_stmtErrno = $stmt->errno; $res = $this->_dynamicBindResults($stmt); $this->reset(); return $res; } /** * This method allows you to specify multiple (method chaining optional) options for SQL queries. * * @uses $MySqliDb->setQueryOption('name'); * * @param string|array $options The optons name of the query. * * @throws Exception * @return MysqliDb */ public function setQueryOption($options) { $allowedOptions = Array('ALL', 'DISTINCT', 'DISTINCTROW', 'HIGH_PRIORITY', 'STRAIGHT_JOIN', 'SQL_SMALL_RESULT', 'SQL_BIG_RESULT', 'SQL_BUFFER_RESULT', 'SQL_CACHE', 'SQL_NO_CACHE', 'SQL_CALC_FOUND_ROWS', 'LOW_PRIORITY', 'IGNORE', 'QUICK', 'MYSQLI_NESTJOIN', 'FOR UPDATE', 'LOCK IN SHARE MODE'); if (!is_array($options)) { $options = Array($options); } foreach ($options as $option) { $option = strtoupper($option); if (!in_array($option, $allowedOptions)) { throw new Exception('Wrong query option: ' . $option); } if ($option == 'MYSQLI_NESTJOIN') { $this->_nestJoin = true; } elseif ($option == 'FOR UPDATE') { $this->_forUpdate = true; } elseif ($option == 'LOCK IN SHARE MODE') { $this->_lockInShareMode = true; } else { $this->_queryOptions[] = $option; } } return $this; } /** * Function to enable SQL_CALC_FOUND_ROWS in the get queries * * @return MysqliDb */ public function withTotalCount() { $this->setQueryOption('SQL_CALC_FOUND_ROWS'); return $this; } /** * A convenient SELECT * function. * * @param string $tableName The name of the database table to work with. * @param int|array $numRows Array to define SQL limit in format Array ($offset, $count) * or only $count * @param string $columns Desired columns * * @return array Contains the returned rows from the select query. */ public function get($tableName, $numRows = null, $columns = '*') { if (empty($columns)) { $columns = '*'; } $column = is_array($columns) ? implode(', ', $columns) : $columns; if (strpos($tableName, '.') === false) { $this->_tableName = self::$prefix . $tableName; } else { $this->_tableName = $tableName; } $this->_query = 'SELECT ' . implode(' ', $this->_queryOptions) . ' ' . $column . " FROM " . $this->_tableName; $stmt = $this->_buildQuery($numRows); if ($this->isSubQuery) { return $this; } $stmt->execute(); $this->_stmtError = $stmt->error; $this->_stmtErrno = $stmt->errno; $res = $this->_dynamicBindResults($stmt); $this->reset(); return $res; } /** * A convenient SELECT * function to get one record. * * @param string $tableName The name of the database table to work with. * @param string $columns Desired columns * * @return array Contains the returned rows from the select query. */ public function getOne($tableName, $columns = '*') { $res = $this->get($tableName, 1, $columns); if ($res instanceof MysqliDb) { return $res; } elseif (is_array($res) && isset($res[0])) { return $res[0]; } elseif ($res) { return $res; } return null; } /** * A convenient SELECT COLUMN function to get a single column value from one row * * @param string $tableName The name of the database table to work with. * @param string $column The desired column * @param int $limit Limit of rows to select. Use null for unlimited..1 by default * * @return mixed Contains the value of a returned column / array of values */ public function getValue($tableName, $column, $limit = 1) { $res = $this->ArrayBuilder()->get($tableName, $limit, "{$column} AS retval"); if (!$res) { return null; } if ($limit == 1) { if (isset($res[0]["retval"])) { return $res[0]["retval"]; } return null; } $newRes = Array(); for ($i = 0; $i < $this->count; $i++) { $newRes[] = $res[$i]['retval']; } return $newRes; } /** * Insert method to add new row * * @param string $tableName The name of the table. * @param array $insertData Data containing information for inserting into the DB. * * @return bool Boolean indicating whether the insert query was completed succesfully. */ public function insert($tableName, $insertData) { return $this->_buildInsert($tableName, $insertData, 'INSERT'); } /** * Insert method to add several rows at once * * @param string $tableName The name of the table. * @param array $multiInsertData Two-dimensinal Data-array containing information for inserting into the DB. * @param array $dataKeys Optinal Table Key names, if not set in insertDataSet. * * @return bool|array Boolean indicating the insertion failed (false), else return id-array ([int]) */ public function insertMulti($tableName, array $multiInsertData, array $dataKeys = null) { // only auto-commit our inserts, if no transaction is currently running $autoCommit = (isset($this->_transaction_in_progress) ? !$this->_transaction_in_progress : true); $ids = array(); if($autoCommit) { $this->startTransaction(); } foreach ($multiInsertData as $insertData) { if($dataKeys !== null) { // apply column-names if given, else assume they're already given in the data $insertData = array_combine($dataKeys, $insertData); } $id = $this->insert($tableName, $insertData); if(!$id) { if($autoCommit) { $this->rollback(); } return false; } $ids[] = $id; } if($autoCommit) { $this->commit(); } return $ids; } /** * Replace method to add new row * * @param string $tableName The name of the table. * @param array $insertData Data containing information for inserting into the DB. * * @return bool Boolean indicating whether the insert query was completed succesfully. */ public function replace($tableName, $insertData) { return $this->_buildInsert($tableName, $insertData, 'REPLACE'); } /** * A convenient function that returns TRUE if exists at least an element that * satisfy the where condition specified calling the "where" method before this one. * * @param string $tableName The name of the database table to work with. * * @return bool */ public function has($tableName) { $this->getOne($tableName, '1'); return $this->count >= 1; } /** * Update query. Be sure to first call the "where" method. * * @param string $tableName The name of the database table to work with. * @param array $tableData Array of data to update the desired row. * @param int $numRows Limit on the number of rows that can be updated. * * @return bool */ public function update($tableName, $tableData, $numRows = null) { if ($this->isSubQuery) { return; } $this->_query = "UPDATE " . self::$prefix . $tableName; $stmt = $this->_buildQuery($numRows, $tableData); $status = $stmt->execute(); $this->reset(); $this->_stmtError = $stmt->error; $this->_stmtErrno = $stmt->errno; $this->count = $stmt->affected_rows; return $status; } /** * Delete query. Call the "where" method first. * * @param string $tableName The name of the database table to work with. * @param int|array $numRows Array to define SQL limit in format Array ($offset, $count) * or only $count * * @return bool Indicates success. 0 or 1. */ public function delete($tableName, $numRows = null) { if ($this->isSubQuery) { return; } $table = self::$prefix . $tableName; if (count($this->_join)) { $this->_query = "DELETE " . preg_replace('/.* (.*)/', '$1', $table) . " FROM " . $table; } else { $this->_query = "DELETE FROM " . $table; } $stmt = $this->_buildQuery($numRows); $stmt->execute(); $this->_stmtError = $stmt->error; $this->_stmtErrno = $stmt->errno; $this->reset(); return ($stmt->affected_rows > -1); // affected_rows returns 0 if nothing matched where statement, or required updating, -1 if error } /** * This method allows you to specify multiple (method chaining optional) AND WHERE statements for SQL queries. * * @uses $MySqliDb->where('id', 7)->where('title', 'MyTitle'); * * @param string $whereProp The name of the database field. * @param mixed $whereValue The value of the database field. * @param string $operator Comparison operator. Default is = * @param string $cond Condition of where statement (OR, AND) * * @return MysqliDb */ public function where($whereProp, $whereValue = 'DBNULL', $operator = '=', $cond = 'AND') { // forkaround for an old operation api if (is_array($whereValue) && ($key = key($whereValue)) != "0") { $operator = $key; $whereValue = $whereValue[$key]; } if (count($this->_where) == 0) { $cond = ''; } $this->_where[] = array($cond, $whereProp, $operator, $whereValue); return $this; } /** * This function store update column's name and column name of the * autoincrement column * * @param array $updateColumns Variable with values * @param string $lastInsertId Variable value * * @return MysqliDb */ public function onDuplicate($updateColumns, $lastInsertId = null) { $this->_lastInsertId = $lastInsertId; $this->_updateColumns = $updateColumns; return $this; } /** * This method allows you to specify multiple (method chaining optional) OR WHERE statements for SQL queries. * * @uses $MySqliDb->orWhere('id', 7)->orWhere('title', 'MyTitle'); * * @param string $whereProp The name of the database field. * @param mixed $whereValue The value of the database field. * @param string $operator Comparison operator. Default is = * * @return MysqliDb */ public function orWhere($whereProp, $whereValue = 'DBNULL', $operator = '=') { return $this->where($whereProp, $whereValue, $operator, 'OR'); } /** * This method allows you to specify multiple (method chaining optional) AND HAVING statements for SQL queries. * * @uses $MySqliDb->having('SUM(tags) > 10') * * @param string $havingProp The name of the database field. * @param mixed $havingValue The value of the database field. * @param string $operator Comparison operator. Default is = * * @return MysqliDb */ public function having($havingProp, $havingValue = 'DBNULL', $operator = '=', $cond = 'AND') { // forkaround for an old operation api if (is_array($havingValue) && ($key = key($havingValue)) != "0") { $operator = $key; $havingValue = $havingValue[$key]; } if (count($this->_having) == 0) { $cond = ''; } $this->_having[] = array($cond, $havingProp, $operator, $havingValue); return $this; } /** * This method allows you to specify multiple (method chaining optional) OR HAVING statements for SQL queries. * * @uses $MySqliDb->orHaving('SUM(tags) > 10') * * @param string $havingProp The name of the database field. * @param mixed $havingValue The value of the database field. * @param string $operator Comparison operator. Default is = * * @return MysqliDb */ public function orHaving($havingProp, $havingValue = null, $operator = null) { return $this->having($havingProp, $havingValue, $operator, 'OR'); } /** * This method allows you to concatenate joins for the final SQL statement. * * @uses $MySqliDb->join('table1', 'field1 <> field2', 'LEFT') * * @param string $joinTable The name of the table. * @param string $joinCondition the condition. * @param string $joinType 'LEFT', 'INNER' etc. * * @throws Exception * @return MysqliDb */ public function join($joinTable, $joinCondition, $joinType = '') { $allowedTypes = array('LEFT', 'RIGHT', 'OUTER', 'INNER', 'LEFT OUTER', 'RIGHT OUTER', 'NATURAL'); $joinType = strtoupper(trim($joinType)); if ($joinType && !in_array($joinType, $allowedTypes)) { throw new Exception('Wrong JOIN type: ' . $joinType); } if (!is_object($joinTable)) { $joinTable = self::$prefix . $joinTable; } $this->_join[] = Array($joinType, $joinTable, $joinCondition); return $this; } /** * This is a basic method which allows you to import raw .CSV data into a table * Please check out http://dev.mysql.com/doc/refman/5.7/en/load-data.html for a valid .csv file. * @author Jonas Barascu (Noneatme) * @param string $importTable The database table where the data will be imported into. * @param string $importFile The file to be imported. Please use double backslashes \\ and make sure you * @param string $importSettings An Array defining the import settings as described in the README.md * @return boolean */ public function loadData($importTable, $importFile, $importSettings = null) { // We have to check if the file exists if(!file_exists($importFile)) { // Throw an exception throw new Exception("importCSV -> importFile ".$importFile." does not exists!"); return; } // Define the default values // We will merge it later $settings = Array("fieldChar" => ';', "lineChar" => PHP_EOL, "linesToIgnore" => 1); // Check the import settings if(gettype($importSettings) == "array") { // Merge the default array with the custom one $settings = array_merge($settings, $importSettings); } // Add the prefix to the import table $table = self::$prefix . $importTable; // Add 1 more slash to every slash so maria will interpret it as a path $importFile = str_replace("\\", "\\\\", $importFile); // Switch between LOAD DATA and LOAD DATA LOCAL $loadDataLocal = isset($settings["loadDataLocal"]) ? 'LOCAL' : ''; // Build SQL Syntax $sqlSyntax = sprintf('LOAD DATA %s INFILE \'%s\' INTO TABLE %s', $loadDataLocal, $importFile, $table); // FIELDS $sqlSyntax .= sprintf(' FIELDS TERMINATED BY \'%s\'', $settings["fieldChar"]); if(isset($settings["fieldEnclosure"])) { $sqlSyntax .= sprintf(' ENCLOSED BY \'%s\'', $settings["fieldEnclosure"]); } // LINES $sqlSyntax .= sprintf(' LINES TERMINATED BY \'%s\'', $settings["lineChar"]); if(isset($settings["lineStarting"])) { $sqlSyntax .= sprintf(' STARTING BY \'%s\'', $settings["lineStarting"]); } // IGNORE LINES $sqlSyntax .= sprintf(' IGNORE %d LINES', $settings["linesToIgnore"]); // Exceute the query unprepared because LOAD DATA only works with unprepared statements. $result = $this->queryUnprepared($sqlSyntax); // Are there rows modified? // Let the user know if the import failed / succeeded return (bool) $result; } /** * This method is usefull for importing XML files into a specific table. * Check out the LOAD XML syntax for your MySQL server. * * @author Jonas Barascu * @param string $importTable The table in which the data will be imported to. * @param string $importFile The file which contains the .XML data. * @param string $importSettings An Array defining the import settings as described in the README.md * * @return boolean Returns true if the import succeeded, false if it failed. */ public function loadXml($importTable, $importFile, $importSettings = null) { // We have to check if the file exists if(!file_exists($importFile)) { // Does not exists throw new Exception("loadXml: Import file does not exists"); return; } // Create default values $settings = Array("linesToIgnore" => 0); // Check the import settings if(gettype($importSettings) == "array") { $settings = array_merge($settings, $importSettings); } // Add the prefix to the import table $table = self::$prefix . $importTable; // Add 1 more slash to every slash so maria will interpret it as a path $importFile = str_replace("\\", "\\\\", $importFile); // Build SQL Syntax $sqlSyntax = sprintf('LOAD XML INFILE \'%s\' INTO TABLE %s', $importFile, $table); // FIELDS if(isset($settings["rowTag"])) { $sqlSyntax .= sprintf(' ROWS IDENTIFIED BY \'%s\'', $settings["rowTag"]); } // IGNORE LINES $sqlSyntax .= sprintf(' IGNORE %d LINES', $settings["linesToIgnore"]); // Exceute the query unprepared because LOAD XML only works with unprepared statements. $result = $this->queryUnprepared($sqlSyntax); // Are there rows modified? // Let the user know if the import failed / succeeded return (bool) $result; } /** * This method allows you to specify multiple (method chaining optional) ORDER BY statements for SQL queries. * * @uses $MySqliDb->orderBy('id', 'desc')->orderBy('name', 'desc', '^[a-z]')->orderBy('name', 'desc'); * * @param string $orderByField The name of the database field. * @param string $orderByDirection Order direction. * @param mixed $customFieldsOrRegExp Array with fieldset for ORDER BY FIELD() ordering or string with regular expresion for ORDER BY REGEXP ordering * * @throws Exception * @return MysqliDb */ public function orderBy($orderByField, $orderbyDirection = "DESC", $customFieldsOrRegExp = null) { $allowedDirection = Array("ASC", "DESC"); $orderbyDirection = strtoupper(trim($orderbyDirection)); $orderByField = preg_replace("/[^ -a-z0-9\.\(\),_`\*\'\"]+/i", '', $orderByField); // Add table prefix to orderByField if needed. //FIXME: We are adding prefix only if table is enclosed into `` to distinguish aliases // from table names $orderByField = preg_replace('/(\`)([`a-zA-Z0-9_]*\.)/', '\1' . self::$prefix . '\2', $orderByField); if (empty($orderbyDirection) || !in_array($orderbyDirection, $allowedDirection)) { throw new Exception('Wrong order direction: ' . $orderbyDirection); } if (is_array($customFieldsOrRegExp)) { foreach ($customFieldsOrRegExp as $key => $value) { $customFieldsOrRegExp[$key] = preg_replace("/[^-a-z0-9\.\(\),_` ]+/i", '', $value); } $orderByField = 'FIELD (' . $orderByField . ', "' . implode('","', $customFieldsOrRegExp) . '")'; }elseif(is_string($customFieldsOrRegExp)){ $orderByField = $orderByField . " REGEXP '" . $customFieldsOrRegExp . "'"; }elseif($customFieldsOrRegExp !== null){ throw new Exception('Wrong custom field or Regular Expression: ' . $customFieldsOrRegExp); } $this->_orderBy[$orderByField] = $orderbyDirection; return $this; } /** * This method allows you to specify multiple (method chaining optional) GROUP BY statements for SQL queries. * * @uses $MySqliDb->groupBy('name'); * * @param string $groupByField The name of the database field. * * @return MysqliDb */ public function groupBy($groupByField) { $groupByField = preg_replace("/[^-a-z0-9\.\(\),_\* <>=!]+/i", '', $groupByField); $this->_groupBy[] = $groupByField; return $this; } /** * This method sets the current table lock method. * * @author Jonas Barascu * @param string $method The table lock method. Can be READ or WRITE. * * @throws Exception * @return MysqliDb */ public function setLockMethod($method) { // Switch the uppercase string switch(strtoupper($method)) { // Is it READ or WRITE? case "READ" || "WRITE": // Succeed $this->_tableLockMethod = $method; break; default: // Else throw an exception throw new Exception("Bad lock type: Can be either READ or WRITE"); break; } return $this; } /** * Locks a table for R/W action. * * @author Jonas Barascu * @param string $table The table to be locked. Can be a table or a view. * * @throws Exception * @return MysqliDb if succeeeded; */ public function lock($table) { // Main Query $this->_query = "LOCK TABLES"; // Is the table an array? if(gettype($table) == "array") { // Loop trough it and attach it to the query foreach($table as $key => $value) { if(gettype($value) == "string") { if($key > 0) { $this->_query .= ","; } $this->_query .= " ".self::$prefix.$value." ".$this->_tableLockMethod; } } } else{ // Build the table prefix $table = self::$prefix . $table; // Build the query $this->_query = "LOCK TABLES ".$table." ".$this->_tableLockMethod; } // Exceute the query unprepared because LOCK only works with unprepared statements. $result = $this->queryUnprepared($this->_query); $errno = $this->mysqli()->errno; // Reset the query $this->reset(); // Are there rows modified? if($result) { // Return true // We can't return ourself because if one table gets locked, all other ones get unlocked! return true; } // Something went wrong else { throw new Exception("Locking of table ".$table." failed", $errno); } // Return the success value return false; } /** * Unlocks all tables in a database. * Also commits transactions. * * @author Jonas Barascu * @return MysqliDb */ public function unlock() { // Build the query $this->_query = "UNLOCK TABLES"; // Exceute the query unprepared because UNLOCK and LOCK only works with unprepared statements. $result = $this->queryUnprepared($this->_query); $errno = $this->mysqli()->errno; // Reset the query $this->reset(); // Are there rows modified? if($result) { // return self return $this; } // Something went wrong else { throw new Exception("Unlocking of tables failed", $errno); } // Return self return $this; } /** * This methods returns the ID of the last inserted item * * @return int The last inserted item ID. */ public function getInsertId() { return $this->mysqli()->insert_id; } /** * Escape harmful characters which might affect a query. * * @param string $str The string to escape. * * @return string The escaped string. */ public function escape($str) { return $this->mysqli()->real_escape_string($str); } /** * Method to call mysqli->ping() to keep unused connections open on * long-running scripts, or to reconnect timed out connections (if php.ini has * global mysqli.reconnect set to true). Can't do this directly using object * since _mysqli is protected. * * @return bool True if connection is up */ public function ping() { return $this->mysqli()->ping(); } /** * This method is needed for prepared statements. They require * the data type of the field to be bound with "i" s", etc. * This function takes the input, determines what type it is, * and then updates the param_type. * * @param mixed $item Input to determine the type. * * @return string The joined parameter types. */ protected function _determineType($item) { switch (gettype($item)) { case 'NULL': case 'string': return 's'; break; case 'boolean': case 'integer': return 'i'; break; case 'blob': return 'b'; break; case 'double': return 'd'; break; } return ''; } /** * Helper function to add variables into bind parameters array * * @param string Variable value */ protected function _bindParam($value) { $this->_bindParams[0] .= $this->_determineType($value); array_push($this->_bindParams, $value); } /** * Helper function to add variables into bind parameters array in bulk * * @param array $values Variable with values */ protected function _bindParams($values) { foreach ($values as $value) { $this->_bindParam($value); } } /** * Helper function to add variables into bind parameters array and will return * its SQL part of the query according to operator in ' $operator ?' or * ' $operator ($subquery) ' formats * * @param string $operator * @param mixed $value Variable with values * * @return string */ protected function _buildPair($operator, $value) { if (!is_object($value)) { $this->_bindParam($value); return ' ' . $operator . ' ? '; } $subQuery = $value->getSubQuery(); $this->_bindParams($subQuery['params']); return " " . $operator . " (" . $subQuery['query'] . ") " . $subQuery['alias']; } /** * Internal function to build and execute INSERT/REPLACE calls * * @param string $tableName The name of the table. * @param array $insertData Data containing information for inserting into the DB. * @param string $operation Type of operation (INSERT, REPLACE) * * @return bool Boolean indicating whether the insert query was completed succesfully. */ private function _buildInsert($tableName, $insertData, $operation) { if ($this->isSubQuery) { return; } $this->_query = $operation . " " . implode(' ', $this->_queryOptions) . " INTO " . self::$prefix . $tableName; $stmt = $this->_buildQuery(null, $insertData); $status = $stmt->execute(); $this->_stmtError = $stmt->error; $this->_stmtErrno = $stmt->errno; $haveOnDuplicate = !empty ($this->_updateColumns); $this->reset(); $this->count = $stmt->affected_rows; if ($stmt->affected_rows < 1) { // in case of onDuplicate() usage, if no rows were inserted if ($status && $haveOnDuplicate) { return true; } return false; } if ($stmt->insert_id > 0) { return $stmt->insert_id; } return true; } /** * Abstraction method that will compile the WHERE statement, * any passed update data, and the desired rows. * It then builds the SQL query. * * @param int|array $numRows Array to define SQL limit in format Array ($offset, $count) * or only $count * @param array $tableData Should contain an array of data for updating the database. * * @return mysqli_stmt Returns the $stmt object. */ protected function _buildQuery($numRows = null, $tableData = null) { // $this->_buildJoinOld(); $this->_buildJoin(); $this->_buildInsertQuery($tableData); $this->_buildCondition('WHERE', $this->_where); $this->_buildGroupBy(); $this->_buildCondition('HAVING', $this->_having); $this->_buildOrderBy(); $this->_buildLimit($numRows); $this->_buildOnDuplicate($tableData); if ($this->_forUpdate) { $this->_query .= ' FOR UPDATE'; } if ($this->_lockInShareMode) { $this->_query .= ' LOCK IN SHARE MODE'; } $this->_lastQuery = $this->replacePlaceHolders($this->_query, $this->_bindParams); if ($this->isSubQuery) { return; } // Prepare query $stmt = $this->_prepareQuery(); // Bind parameters to statement if any if (count($this->_bindParams) > 1) { call_user_func_array(array($stmt, 'bind_param'), $this->refValues($this->_bindParams)); } return $stmt; } /** * This helper method takes care of prepared statements' "bind_result method * , when the number of variables to pass is unknown. * * @param mysqli_stmt $stmt Equal to the prepared statement object. * * @return array The results of the SQL fetch. */ protected function _dynamicBindResults(mysqli_stmt $stmt) { $parameters = array(); $results = array(); /** * @see http://php.net/manual/en/mysqli-result.fetch-fields.php */ $mysqlLongType = 252; $shouldStoreResult = false; $meta = $stmt->result_metadata(); // if $meta is false yet sqlstate is true, there's no sql error but the query is // most likely an update/insert/delete which doesn't produce any results if (!$meta && $stmt->sqlstate) return array(); $row = array(); while ($field = $meta->fetch_field()) { if ($field->type == $mysqlLongType) { $shouldStoreResult = true; } if ($this->_nestJoin && $field->table != $this->_tableName) { $field->table = substr($field->table, strlen(self::$prefix)); $row[$field->table][$field->name] = null; $parameters[] = & $row[$field->table][$field->name]; } else { $row[$field->name] = null; $parameters[] = & $row[$field->name]; } } // avoid out of memory bug in php 5.2 and 5.3. Mysqli allocates lot of memory for long* // and blob* types. So to avoid out of memory issues store_result is used // https://github.com/joshcam/PHP-MySQLi-Database-Class/pull/119 if ($shouldStoreResult) { $stmt->store_result(); } call_user_func_array(array($stmt, 'bind_result'), $parameters); $this->totalCount = 0; $this->count = 0; while ($stmt->fetch()) { if ($this->returnType == 'object') { $result = new stdClass (); foreach ($row as $key => $val) { if (is_array($val)) { $result->$key = new stdClass (); foreach ($val as $k => $v) { $result->$key->$k = $v; } } else { $result->$key = $val; } } } else { $result = array(); foreach ($row as $key => $val) { if (is_array($val)) { foreach ($val as $k => $v) { $result[$key][$k] = $v; } } else { $result[$key] = $val; } } } $this->count++; if ($this->_mapKey) { $results[$row[$this->_mapKey]] = count($row) > 2 ? $result : end($result); } else { array_push($results, $result); } } if ($shouldStoreResult) { $stmt->free_result(); } $stmt->close(); // stored procedures sometimes can return more then 1 resultset if ($this->mysqli()->more_results()) { $this->mysqli()->next_result(); } if (in_array('SQL_CALC_FOUND_ROWS', $this->_queryOptions)) { $stmt = $this->mysqli()->query('SELECT FOUND_ROWS()'); $totalCount = $stmt->fetch_row(); $this->totalCount = $totalCount[0]; } if ($this->returnType == 'json') { return json_encode($results); } return $results; } /** * Abstraction method that will build an JOIN part of the query * * @return void */ protected function _buildJoinOld() { if (empty($this->_join)) { return; } foreach ($this->_join as $data) { list ($joinType, $joinTable, $joinCondition) = $data; if (is_object($joinTable)) { $joinStr = $this->_buildPair("", $joinTable); } else { $joinStr = $joinTable; } $this->_query .= " " . $joinType . " JOIN " . $joinStr . (false !== stripos($joinCondition, 'using') ? " " : " on ") . $joinCondition; } } /** * Insert/Update query helper * * @param array $tableData * @param array $tableColumns * @param bool $isInsert INSERT operation flag * * @throws Exception */ public function _buildDataPairs($tableData, $tableColumns, $isInsert) { foreach ($tableColumns as $column) { $value = $tableData[$column]; if (!$isInsert) { if(strpos($column,'.')===false) { $this->_query .= "`" . $column . "` = "; } else { $this->_query .= str_replace('.','.`',$column) . "` = "; } } // Subquery value if ($value instanceof MysqliDb) { $this->_query .= $this->_buildPair("", $value) . ", "; continue; } // Simple value if (!is_array($value)) { $this->_bindParam($value); $this->_query .= '?, '; continue; } // Function value $key = key($value); $val = $value[$key]; switch ($key) { case '[I]': $this->_query .= $column . $val . ", "; break; case '[F]': $this->_query .= $val[0] . ", "; if (!empty($val[1])) { $this->_bindParams($val[1]); } break; case '[N]': if ($val == null) { $this->_query .= "!" . $column . ", "; } else { $this->_query .= "!" . $val . ", "; } break; default: throw new Exception("Wrong operation"); } } $this->_query = rtrim($this->_query, ', '); } /** * Helper function to add variables into the query statement * * @param array $tableData Variable with values */ protected function _buildOnDuplicate($tableData) { if (is_array($this->_updateColumns) && !empty($this->_updateColumns)) { $this->_query .= " ON DUPLICATE KEY UPDATE "; if ($this->_lastInsertId) { $this->_query .= $this->_lastInsertId . "=LAST_INSERT_ID (" . $this->_lastInsertId . "), "; } foreach ($this->_updateColumns as $key => $val) { // skip all params without a value if (is_numeric($key)) { $this->_updateColumns[$val] = ''; unset($this->_updateColumns[$key]); } else { $tableData[$key] = $val; } } $this->_buildDataPairs($tableData, array_keys($this->_updateColumns), false); } } /** * Abstraction method that will build an INSERT or UPDATE part of the query * * @param array $tableData */ protected function _buildInsertQuery($tableData) { if (!is_array($tableData)) { return; } $isInsert = preg_match('/^[INSERT|REPLACE]/', $this->_query); $dataColumns = array_keys($tableData); if ($isInsert) { if (isset ($dataColumns[0])) $this->_query .= ' (`' . implode($dataColumns, '`, `') . '`) '; $this->_query .= ' VALUES ('; } else { $this->_query .= " SET "; } $this->_buildDataPairs($tableData, $dataColumns, $isInsert); if ($isInsert) { $this->_query .= ')'; } } /** * Abstraction method that will build the part of the WHERE conditions * * @param string $operator * @param array $conditions */ protected function _buildCondition($operator, &$conditions) { if (empty($conditions)) { return; } //Prepare the where portion of the query $this->_query .= ' ' . $operator; foreach ($conditions as $cond) { list ($concat, $varName, $operator, $val) = $cond; $this->_query .= " " . $concat . " " . $varName; switch (strtolower($operator)) { case 'not in': case 'in': $comparison = ' ' . $operator . ' ('; if (is_object($val)) { $comparison .= $this->_buildPair("", $val); } else { foreach ($val as $v) { $comparison .= ' ?,'; $this->_bindParam($v); } } $this->_query .= rtrim($comparison, ',') . ' ) '; break; case 'not between': case 'between': $this->_query .= " $operator ? AND ? "; $this->_bindParams($val); break; case 'not exists': case 'exists': $this->_query.= $operator . $this->_buildPair("", $val); break; default: if (is_array($val)) { $this->_bindParams($val); } elseif ($val === null) { $this->_query .= ' ' . $operator . " NULL"; } elseif ($val != 'DBNULL' || $val == '0') { $this->_query .= $this->_buildPair($operator, $val); } } } } /** * Abstraction method that will build the GROUP BY part of the WHERE statement * * @return void */ protected function _buildGroupBy() { if (empty($this->_groupBy)) { return; } $this->_query .= " GROUP BY "; foreach ($this->_groupBy as $key => $value) { $this->_query .= $value . ", "; } $this->_query = rtrim($this->_query, ', ') . " "; } /** * Abstraction method that will build the LIMIT part of the WHERE statement * * @return void */ protected function _buildOrderBy() { if (empty($this->_orderBy)) { return; } $this->_query .= " ORDER BY "; foreach ($this->_orderBy as $prop => $value) { if (strtolower(str_replace(" ", "", $prop)) == 'rand()') { $this->_query .= "rand(), "; } else { $this->_query .= $prop . " " . $value . ", "; } } $this->_query = rtrim($this->_query, ', ') . " "; } /** * Abstraction method that will build the LIMIT part of the WHERE statement * * @param int|array $numRows Array to define SQL limit in format Array ($offset, $count) * or only $count * * @return void */ protected function _buildLimit($numRows) { if (!isset($numRows)) { return; } if (is_array($numRows)) { $this->_query .= ' LIMIT ' . (int) $numRows[0] . ', ' . (int) $numRows[1]; } else { $this->_query .= ' LIMIT ' . (int) $numRows; } } /** * Method attempts to prepare the SQL query * and throws an error if there was a problem. * * @return mysqli_stmt * @throws Exception */ protected function _prepareQuery() { $stmt = $this->mysqli()->prepare($this->_query); if ($stmt !== false) { if ($this->traceEnabled) $this->traceStartQ = microtime(true); return $stmt; } if ($this->mysqli()->errno === 2006 && $this->autoReconnect === true && $this->autoReconnectCount === 0) { $this->connect($this->defConnectionName); $this->autoReconnectCount++; return $this->_prepareQuery(); } $error = $this->mysqli()->error; $query = $this->_query; $errno = $this->mysqli()->errno; $this->reset(); throw new Exception(sprintf('%s query: %s', $error, $query), $errno); } /** * Referenced data array is required by mysqli since PHP 5.3+ * * @param array $arr * * @return array */ protected function refValues(array &$arr) { //Reference in the function arguments are required for HHVM to work //https://github.com/facebook/hhvm/issues/5155 //Referenced data array is required by mysqli since PHP 5.3+ if (strnatcmp(phpversion(), '5.3') >= 0) { $refs = array(); foreach ($arr as $key => $value) { $refs[$key] = & $arr[$key]; } return $refs; } return $arr; } /** * Function to replace ? with variables from bind variable * * @param string $str * @param array $vals * * @return string */ protected function replacePlaceHolders($str, $vals) { $i = 1; $newStr = ""; if (empty($vals)) { return $str; } while ($pos = strpos($str, "?")) { $val = $vals[$i++]; if (is_object($val)) { $val = '[object]'; } if ($val === null) { $val = 'NULL'; } $newStr .= substr($str, 0, $pos) . "'" . $val . "'"; $str = substr($str, $pos + 1); } $newStr .= $str; return $newStr; } /** * Method returns last executed query * * @return string */ public function getLastQuery() { return $this->_lastQuery; } /** * Method returns mysql error * * @return string */ public function getLastError() { if (!isset($this->_mysqli[$this->defConnectionName])) { return "mysqli is null"; } return trim($this->_stmtError . " " . $this->mysqli()->error); } /** * Method returns mysql error code * @return int */ public function getLastErrno () { return $this->_stmtErrno; } /** * Mostly internal method to get query and its params out of subquery object * after get() and getAll() * * @return array */ public function getSubQuery() { if (!$this->isSubQuery) { return null; } array_shift($this->_bindParams); $val = Array('query' => $this->_query, 'params' => $this->_bindParams, 'alias' => isset($this->connectionsSettings[$this->defConnectionName]) ? $this->connectionsSettings[$this->defConnectionName]['host'] : null ); $this->reset(); return $val; } /* Helper functions */ /** * Method returns generated interval function as a string * * @param string $diff interval in the formats: * "1", "-1d" or "- 1 day" -- For interval - 1 day * Supported intervals [s]econd, [m]inute, [h]hour, [d]day, [M]onth, [Y]ear * Default null; * @param string $func Initial date * * @return string * @throws Exception */ public function interval($diff, $func = "NOW()") { $types = Array("s" => "second", "m" => "minute", "h" => "hour", "d" => "day", "M" => "month", "Y" => "year"); $incr = '+'; $items = ''; $type = 'd'; if ($diff && preg_match('/([+-]?) ?([0-9]+) ?([a-zA-Z]?)/', $diff, $matches)) { if (!empty($matches[1])) { $incr = $matches[1]; } if (!empty($matches[2])) { $items = $matches[2]; } if (!empty($matches[3])) { $type = $matches[3]; } if (!in_array($type, array_keys($types))) { throw new Exception("invalid interval type in '{$diff}'"); } $func .= " " . $incr . " interval " . $items . " " . $types[$type] . " "; } return $func; } /** * Method returns generated interval function as an insert/update function * * @param string $diff interval in the formats: * "1", "-1d" or "- 1 day" -- For interval - 1 day * Supported intervals [s]econd, [m]inute, [h]hour, [d]day, [M]onth, [Y]ear * Default null; * @param string $func Initial date * * @return array */ public function now($diff = null, $func = "NOW()") { return array("[F]" => Array($this->interval($diff, $func))); } /** * Method generates incremental function call * * @param int $num increment by int or float. 1 by default * * @throws Exception * @return array */ public function inc($num = 1) { if (!is_numeric($num)) { throw new Exception('Argument supplied to inc must be a number'); } return array("[I]" => "+" . $num); } /** * Method generates decrimental function call * * @param int $num increment by int or float. 1 by default * * @return array * @throws Exception */ public function dec($num = 1) { if (!is_numeric($num)) { throw new Exception('Argument supplied to dec must be a number'); } return array("[I]" => "-" . $num); } /** * Method generates change boolean function call * * @param string $col column name. null by default * * @return array */ public function not($col = null) { return array("[N]" => (string) $col); } /** * Method generates user defined function call * * @param string $expr user function body * @param array $bindParams * * @return array */ public function func($expr, $bindParams = null) { return array("[F]" => array($expr, $bindParams)); } /** * Method creates new mysqlidb object for a subquery generation * * @param string $subQueryAlias * * @return MysqliDb */ public static function subQuery($subQueryAlias = "") { return new self(array('host' => $subQueryAlias, 'isSubQuery' => true)); } /** * Method returns a copy of a mysqlidb subquery object * * @return MysqliDb new mysqlidb object */ public function copy() { $copy = unserialize(serialize($this)); $copy->_mysqli = array(); return $copy; } /** * Begin a transaction * * @uses mysqli->autocommit(false) * @uses register_shutdown_function(array($this, "_transaction_shutdown_check")) */ public function startTransaction() { $this->mysqli()->autocommit(false); $this->_transaction_in_progress = true; register_shutdown_function(array($this, "_transaction_status_check")); } /** * Transaction commit * * @uses mysqli->commit(); * @uses mysqli->autocommit(true); */ public function commit() { $result = $this->mysqli()->commit(); $this->_transaction_in_progress = false; $this->mysqli()->autocommit(true); return $result; } /** * Transaction rollback function * * @uses mysqli->rollback(); * @uses mysqli->autocommit(true); */ public function rollback() { $result = $this->mysqli()->rollback(); $this->_transaction_in_progress = false; $this->mysqli()->autocommit(true); return $result; } /** * Shutdown handler to rollback uncommited operations in order to keep * atomic operations sane. * * @uses mysqli->rollback(); */ public function _transaction_status_check() { if (!$this->_transaction_in_progress) { return; } $this->rollback(); } /** * Query exection time tracking switch * * @param bool $enabled Enable execution time tracking * @param string $stripPrefix Prefix to strip from the path in exec log * * @return MysqliDb */ public function setTrace($enabled, $stripPrefix = null) { $this->traceEnabled = $enabled; $this->traceStripPrefix = $stripPrefix; return $this; } /** * Get where and what function was called for query stored in MysqliDB->trace * * @return string with information */ private function _traceGetCaller() { $dd = debug_backtrace(); $caller = next($dd); while (isset($caller) && $caller["file"] == __FILE__) { $caller = next($dd); } return __CLASS__ . "->" . $caller["function"] . "() >> file \"" . str_replace($this->traceStripPrefix, '', $caller["file"]) . "\" line #" . $caller["line"] . " "; } /** * Method to check if needed table is created * * @param array $tables Table name or an Array of table names to check * * @return bool True if table exists */ public function tableExists($tables) { $tables = !is_array($tables) ? Array($tables) : $tables; $count = count($tables); if ($count == 0) { return false; } foreach ($tables as $i => $value) $tables[$i] = self::$prefix . $value; $db = isset($this->connectionsSettings[$this->defConnectionName]) ? $this->connectionsSettings[$this->defConnectionName]['db'] : null; $this->where('table_schema', $db); $this->where('table_name', $tables, 'in'); $this->get('information_schema.tables', $count); return $this->count == $count; } /** * Return result as an associative array with $idField field value used as a record key * * Array Returns an array($k => $v) if get(.."param1, param2"), array ($k => array ($v, $v)) otherwise * * @param string $idField field name to use for a mapped element key * * @return MysqliDb */ public function map($idField) { $this->_mapKey = $idField; return $this; } /** * Pagination wraper to get() * * @access public * @param string $table The name of the database table to work with * @param int $page Page number * @param array|string $fields Array or coma separated list of fields to fetch * @return array */ public function paginate ($table, $page, $fields = null) { $offset = $this->pageLimit * ($page - 1); $res = $this->withTotalCount()->get ($table, Array ($offset, $this->pageLimit), $fields); $this->totalPages = ceil($this->totalCount / $this->pageLimit); return $res; } /** * This method allows you to specify multiple (method chaining optional) AND WHERE statements for the join table on part of the SQL query. * * @uses $dbWrapper->joinWhere('user u', 'u.id', 7)->where('user u', 'u.title', 'MyTitle'); * * @param string $whereJoin The name of the table followed by its prefix. * @param string $whereProp The name of the database field. * @param mixed $whereValue The value of the database field. * * @return $this */ public function joinWhere($whereJoin, $whereProp, $whereValue = 'DBNULL', $operator = '=', $cond = 'AND') { $this->_joinAnd[$whereJoin][] = Array ($cond, $whereProp, $operator, $whereValue); return $this; } /** * This method allows you to specify multiple (method chaining optional) OR WHERE statements for the join table on part of the SQL query. * * @uses $dbWrapper->joinWhere('user u', 'u.id', 7)->where('user u', 'u.title', 'MyTitle'); * * @param string $whereJoin The name of the table followed by its prefix. * @param string $whereProp The name of the database field. * @param mixed $whereValue The value of the database field. * * @return dbWrapper */ public function joinOrWhere($whereJoin, $whereProp, $whereValue = 'DBNULL', $operator = '=', $cond = 'AND') { return $this->joinWhere($whereJoin, $whereProp, $whereValue, $operator, 'OR'); } /** * Abstraction method that will build an JOIN part of the query */ protected function _buildJoin () { if (empty ($this->_join)) return; foreach ($this->_join as $data) { list ($joinType, $joinTable, $joinCondition) = $data; if (is_object ($joinTable)) $joinStr = $this->_buildPair ("", $joinTable); else $joinStr = $joinTable; $this->_query .= " " . $joinType. " JOIN " . $joinStr . (false !== stripos($joinCondition, 'using') ? " " : " on ") . $joinCondition; // Add join and query if (!empty($this->_joinAnd) && isset($this->_joinAnd[$joinStr])) { foreach($this->_joinAnd[$joinStr] as $join_and_cond) { list ($concat, $varName, $operator, $val) = $join_and_cond; $this->_query .= " " . $concat ." " . $varName; $this->conditionToSql($operator, $val); } } } } /** * Convert a condition and value into the sql string * @param String $operator The where constraint operator * @param String $val The where constraint value */ private function conditionToSql($operator, $val) { switch (strtolower ($operator)) { case 'not in': case 'in': $comparison = ' ' . $operator. ' ('; if (is_object ($val)) { $comparison .= $this->_buildPair ("", $val); } else { foreach ($val as $v) { $comparison .= ' ?,'; $this->_bindParam ($v); } } $this->_query .= rtrim($comparison, ',').' ) '; break; case 'not between': case 'between': $this->_query .= " $operator ? AND ? "; $this->_bindParams ($val); break; case 'not exists': case 'exists': $this->_query.= $operator . $this->_buildPair ("", $val); break; default: if (is_array ($val)) $this->_bindParams ($val); else if ($val === null) $this->_query .= $operator . " NULL"; else if ($val != 'DBNULL' || $val == '0') $this->_query .= $this->_buildPair ($operator, $val); } }}// END class?> |
sql code:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | -- MySqldrop table `users`;CREATE TABLE `users` ( `customerId` int(11) NOT NULL AUTO_INCREMENT, `login` varchar(255) DEFAULT NULL, `firstName` varchar(255) CHARACTER SET utf8 DEFAULT NULL, `lastName` varchar(255) DEFAULT NULL, `password` varchar(255) DEFAULT NULL, `createdAt` datetime DEFAULT NULL, `expires` datetime DEFAULT NULL, PRIMARY KEY (`customerId`)) ENGINE=MyISAM AUTO_INCREMENT=105 DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;select * from users; |
test.php
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 | <?phprequire_once('MysqliDb.php');error_reporting(E_ALL);$action = 'adddb';$data = array();//查询function printUsers () { global $db; $users = $db->get ("users"); //表名 if ($db->count == 0) { echo "<td align=center colspan=4>No users found</td>"; return; } foreach ($users as $u) { echo "<tr> <td>{$u['customerId']}</td> <td>{$u['login']}</td> <td>{$u['firstName']} {$u['lastName']}</td> <td> <a href='3.php?action=rm&customerId={$u['customerId']}'>删除</a> :: <a href='3.php?action=mod&customerId={$u['customerId']}'>辑编</a> </td> </tr>"; }}//添加function action_adddb () { global $db; $data = Array( 'login' => $_POST['login'], //'customerId' => 2, 'firstName' => $_POST['firstName'], 'lastName' => $_POST['lastName'], 'password' => $db->func('SHA1(?)',Array ($_POST['password'] . 'salt123')), 'createdAt' => $db->now(), 'expires' => $db->now('+1Y') ); $id = $db->insert ('users', $data); echo("ok"); header ("Location: 3.php"); exit;}//更新function action_moddb () { global $db; $data = Array( 'login' => $_POST['login'], 'customerId' => 1, 'firstName' => $_POST['firstName'], 'lastName' => $_POST['lastName'], ); $id = (int)$_POST['customerId']; $db->where ("customerId", $id); $db->update ('users', $data); header ("Location: 3.php"); exit;}//删除function action_rm () { global $db; $id = (int)$_GET['customerId']; $db->where ("customerId", $id); $db->delete ('users'); header ("Location: 3.php"); exit;}//得到值function action_mod () { global $db; global $data; global $action; $action = 'moddb'; $id = (int)$_GET['customerId']; $db->where ("customerId", $id); $data = $db->getOne("users");}$db = new Mysqlidb ('localhost', 'root', '770214', 'sakila');if ($_GET) { $f = "action_".$_GET['action']; if (function_exists ($f)) { $f(); }}?><!doctype html><html><head><meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta charset="utf-8"><title>数据业务层</title><meta name="keywords" content="geovindu"><meta name="description" content="涂聚文"> </head><body> <center><h3>Users:</h3><table width='50%'> <tr bgcolor='#cccccc'> <th>ID</th> <th>Login</th> <th>Name</th> <th>Action</th> </tr> <?php printUsers();?> <? echo(now('+1Y'))?></table><hr width=50%><form action='3.php?action=<?php echo $action?>' method=post> <input type=hidden name='customerId' value='<?php echo $data['customerId']?>'> <input type=text name='login' required placeholder='Login' value='<?php echo $data['login']?>'> <input type=text name='firstName' required placeholder='First Name' value='<?php echo $data['firstName']?>'> <input type=text name='lastName' required placeholder='Last Name' value='<?php echo $data['lastName']?>'> <input type=password name='password' placeholder='Password'> <input type=submit value='New User'></td></form></table></center></body></html> |
mysql_affected_rows — 取得前一次 MySQL 操作所影响的记录行数
mysql_client_encoding — 返回字符集的名称
mysql_close — 关闭 MySQL 连接
mysql_connect — 打开一个到 MySQL 服务器的连接
mysql_create_db — 新建一个 MySQL 数据库
mysql_data_seek — 移动内部结果的指针
mysql_db_name — 取得结果数据
mysql_db_query — 发送一条 MySQL 查询
mysql_drop_db — 丢弃（删除）一个 MySQL 数据库
mysql_errno — 返回上一个 MySQL 操作中的错误信息的数字编码
mysql_error — 返回上一个 MySQL 操作产生的文本错误信息
mysql_escape_string — 转义一个字符串用于 mysql_query
mysql_fetch_array — 从结果集中取得一行作为关联数组，或数字数组，或二者兼有
mysql_fetch_assoc — 从结果集中取得一行作为关联数组
mysql_fetch_field — 从结果集中取得列信息并作为对象返回
mysql_fetch_lengths — 取得结果集中每个输出的长度
mysql_fetch_object — 从结果集中取得一行作为对象
mysql_fetch_row — 从结果集中取得一行作为枚举数组
mysql_field_flags — 从结果中取得和指定字段关联的标志
mysql_field_len — 返回指定字段的长度
mysql_field_name — 取得结果中指定字段的字段名
mysql_field_seek — 将结果集中的指针设定为制定的字段偏移量
mysql_field_table — 取得指定字段所在的表名
mysql_field_type — 取得结果集中指定字段的类型
mysql_free_result — 释放结果内存
mysql_get_client_info — 取得 MySQL 客户端信息
mysql_get_host_info — 取得 MySQL 主机信息
mysql_get_proto_info — 取得 MySQL 协议信息
mysql_get_server_info — 取得 MySQL 服务器信息
mysql_info — 取得最近一条查询的信息
mysql_insert_id — 取得上一步 INSERT 操作产生的 ID
mysql_list_dbs — 列出 MySQL 服务器中所有的数据库
mysql_list_fields — 列出 MySQL 结果中的字段
mysql_list_processes — 列出 MySQL 进程
mysql_list_tables — 列出 MySQL 数据库中的表
mysql_num_fields — 取得结果集中字段的数目
mysql_num_rows — 取得结果集中行的数目
mysql_pconnect — 打开一个到 MySQL 服务器的持久连接
mysql_ping — Ping 一个服务器连接，如果没有连接则重新连接
mysql_query — 发送一条 MySQL 查询
mysql_real_escape_string — 转义 SQL 语句中使用的字符串中的特殊字符，并考虑到连接的当前字符集
mysql_result — 取得结果数据
mysql_select_db — 选择 MySQL 数据库
mysql_set_charset — 设置客户端的字符集
mysql_stat — 取得当前系统状态
mysql_tablename — 取得表名
mysql_thread_id — 返回当前线程的 ID
mysql_unbuffered_query — 向 MySQL 发送一条 SQL 查询，并不获取和缓存结果的行
哲学管理(学)人生, 文学艺术生活, 自动(计算机学)物理(学)工作, 生物(学)化学逆境, 历史(学)测绘(学)时间, 经济(学)数学金钱(理财), 心理(学)医学情绪, 诗词美容情感, 美学建筑(学)家园, 解构建构(分析)整合学习, 智商情商(IQ、EQ)运筹(学)生存.---Geovin Du(涂聚文）
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