php常用自定义函数
根据请求url获取xml结果并转换成json对象
/** * 根据请求url获取xml结果并转换成json对象 * @author ganyuanjiang <3164145970@qq.com> * @time 2017-07-26 13:25:56 * @param * @return json mixed */ if (!function_exists('xml_json')) { function xml_json($url) { $res = json_decode(json_encode(simplexml_load_string(file_get_contents($url))),true); return $res; } }
根据请求url获取字符串数组结果并转换成json对象
/** * 根据请求url获取字符串数组结果并转换成json对象 * @author ganyuanjiang <3164145970@qq.com> * @time 2017-07-26 13:29:12 * @param url 请求链接 * @return json mixed */ if (!function_exists('string_json')) { function string_json($url) { $arrContextOptions=array( "ssl"=>array( "verify_peer"=>false, "verify_peer_name"=>false, ), ); $res = json_decode(file_get_contents($url, false, stream_context_create($arrContextOptions)),true); return $res; } }
将数组转换成xml
/** * 将数组转换成xml * @author ganyuanjiang <3164145970@qq.com> * @createtime 2017-08-31 16:04:13 * @return xml */ if(!function_exists('arr_xml')){ function arr_xml($arr) { if(!is_array($arr) || count($arr) <= 0) { return false; } $xml = "<xml>"; foreach ($arr as $key=>$val) { if (is_numeric($val)){ $xml.="<".$key.">".$val."</".$key.">"; }else{ $xml.="<".$key."><![CDATA[".$val."]]></".$key.">"; } } $xml.="</xml>"; return $xml; } }
将xml转为array
/** * 将xml转为array * @author ganyuanjiang <3164145970@qq.com> * @createtime 2017-09-11 10:31:31 * @param string $xml * @return array */ if(!function_exists('xml_arr')){ function xml_arr($xml) { if(!$xml){ return false; } //将XML转为array //禁止引用外部xml实体 libxml_disable_entity_loader(true); $result = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true); return $result; } }
ajax请求返回函数
/**ajax请求返回函数 * @param int $code 错误代码 * @param string $msg 错误或成功消息 * @param array $arr json资源 * @return array 数组，tp5自动转换json */function json_result($code,$msg="",$arr=array()){ header("Content-type: text/html; charset=utf-8"); header('Access-Control-Allow-Headers: Origin, Content-Type, X-Auth-Token'); header("Access-Control-Allow-origin: *"); header("Access-Control-Allow-Headers: X-Requested-With"); header("Access-Control-Allow-Methods: POST,GET"); $result=array(); $result['error_code']=$code; $result['msg']=$msg; $result['res']=$arr; echo json_encode($result); }
获取json数据
/**获取json数据 * @param $uid 用户主键id * @param $salt 用户盐值 * @return string token字符串 */ function get_JsonData(){ $json = file_get_contents('php://input'); if ($json) { $json = str_replace("'", '', $json); $json = json_decode($json,true); } return $json; }
校验日期格式是否正确
/** * 校验日期格式是否正确 * @author gyj <375023402@qq.com> * @createtime 2018-08-27T15:06:51+0800 * @param string $date 日期 * @param string $formats 需要检验的格式数组 * @return boolean */ function checkDateIsValid($date, $formats = array("Y-m-d", "Y/m/d","Ymd")) { $unixTime = strtotime($date); if (!$unixTime) { //strtotime转换不对，日期格式显然不对。 return false; } //校验日期的有效性，只要满足其中一个格式就OK foreach ($formats as $format) { if (date($format, $unixTime) == $date) { return true; } } return false; }
记录自定义日志
/** * 记录自定义日志 * @author gyj <375023402@qq.com> * @createtime 2018-08-24 14:12:01 * @param $msg 错误信息 * @param $type 写入类型 wechat aliyun * @return [type] [description] */ if(!function_exists('log_result')){ function log_result($msg='',$type='normal') { $dir = dirname(LOG_PATH)."/log/".$type."/"; if(!is_dir($dir)){ mkdir($dir,0777); } $dir .= date('Ym')."/"; $file = $dir.date('d').".log"; if(!is_dir($dir)){ mkdir($dir,0777); } file_put_contents($file,date('Y-m-d H:i:s')."\r\n".$msg."\r\n---------------------------------------------------------------\r\n", FILE_APPEND); } }
删除文件目录
/** * 删除文件目录 * @author ganyuanjiang <3164145970@qq.com> * @createtime 2017-11-30 13:34:28 * @param $dir 文件目录 * @return */ if(!function_exists('deldir')){ function deldir($dir) { $dh = opendir($dir); while ($file = readdir($dh)) { if ($file != "." && $file != "..") { $fullpath = $dir . "/" . $file; if (!is_dir($fullpath)) { unlink($fullpath); } else { deldir($fullpath); } } } } }
获取客户端ip
/** * 获取客户端ip * @author ganyuanjiang <3164145970@qq.com> * @createtime 2017-12-16 09:59:54 * @param * @return string 客户端ip */ if(!function_exists('get_client_ip')){ function get_client_ip(){ $cip = "unknown"; if($_SERVER['REMOTE_ADDR']){ $cip = $_SERVER['REMOTE_ADDR']; }elseif (getenv('REMOTE_ADDR')) { $cip = $getenv['REMOTE_ADDR']; } return $cip; } }
发送get请求
/** * 发送get请求 * @author ganyuanjiang <3164145970@qq.com> * @createtime 2017-08-05 14:28:21 * @param string $url 请求地址 * @return mixed */ if (!function_exists('https_get')) { function https_get($url){ $curl = curl_init(); curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); curl_setopt($curl, CURLOPT_TIMEOUT, 500); curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false); curl_setopt($curl, CURLOPT_URL, $url); $res = curl_exec($curl); curl_close($curl); return $res; } }
发送post请求
/** * 发送post请求 * @author ganyuanjiang <3164145970@qq.com> * @createtime 2017-07-26 14:06:04 * @param string $url 请求地址 * @param array $post_data post键值对数据 * @return string */ if (!function_exists('https_request')) { function https_request($url,$data=null){ header("Content-type: text/html; charset=utf-8"); $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST"); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE); curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (compatible; MSIE 5.01; Windows NT 5.0)'); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1); curl_setopt($ch, CURLOPT_AUTOREFERER, 1); curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data)); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); $tmpInfo = curl_exec($ch); if (curl_errno($ch)) { return curl_error($ch); } curl_close($ch); return $tmpInfo; } }
将时分转换成秒数
/** * 将时分转换成秒数 * @author gyj <375023402@qq.com> * @createtime 2018-08-29T10:15:58+0800 * @param * @return 秒数 */ if (!function_exists('hour_time')) { function hour_time($unix){ return strtotime(date('H:i',strtotime($unix)))-strtotime(date('Y-m-d',strtotime($unix))); } }
获取毫秒级别的时间戳
/** * 获取毫秒级别的时间戳 * @author ganyuanjiang <3164145970@qq.com> * @createtime 2017-09-11 10:05:50 * @param * @return [type] [description] */ if(!function_exists('milli_time')){ function milli_time() { //获取毫秒的时间戳 $time = explode ( " ", microtime () ); $time = $time[1] . ($time[0] * 1000); $time2 = explode( ".", $time ); $time = $time2[0]; return $time; } }
获取一个时间在多少天、小时、分、秒前
if(!function_exists('time_ago')){ function time_ago($time){ $diff = time()-$time; if($diff<60){ return $diff."秒前"; }else if(60<=$diff && $diff<3600){ return (int)($diff/60)."分钟前"; }else if(3600<=$diff && $diff<3600*24){ return (int)($diff/3600)."小时前"; }else if((3600*24)<=$diff){ return (int)($diff/3600/24)."天前"; }else{ return "未知"; } } }
encrypt加密解密函数
/** * encrypt加密解密函数 * @author ganyuanjiang <3164145970@qq.com> * @createtime 2017-07-29 13:54:01 * @param string string 加密/解密字符串 * @param operation string E表示加密，D表示解密 * @param key string 密钥 * @return string 加密/解密后字符串 */ if(!function_exists('encrypt')){ function encrypt($string,$operation,$key=''){ $key=md5($key); $key_length=strlen($key); $string=$operation=='D'?base64_decode($string):substr(md5($string.$key),0,8).$string; $string_length=strlen($string); $rndkey=$box=array(); $result=''; for($i=0;$i<=255;$i++){ $rndkey[$i]=ord($key[$i%$key_length]); $box[$i]=$i; } for($j=$i=0;$i<256;$i++){ $j=($j+$box[$i]+$rndkey[$i])%256; $tmp=$box[$i]; $box[$i]=$box[$j]; $box[$j]=$tmp; } for($a=$j=$i=0;$i<$string_length;$i++){ $a=($a+1)%256; $j=($j+$box[$a])%256; $tmp=$box[$a]; $box[$a]=$box[$j]; $box[$j]=$tmp; $result.=chr(ord($string[$i])^($box[($box[$a]+$box[$j])%256])); } if($operation=='D'){ if(substr($result,0,8)==substr(md5(substr($result,8).$key),0,8)){ return substr($result,8); }else{ return''; } }else{ return str_replace('=','',base64_encode($result)); } } }
AES 加解密算法
/** * AES ECB解密算法 * @author ganyuanjiang <3164145970@qq.com> * @createtime 2017-09-22 18:01:40 * @param $data 参数 * @param $key 密钥 * @return 处理结果 */ function aes_decode($sStr, $sKey) { $decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, hextobin($sKey), base64_decode($sStr), MCRYPT_MODE_ECB); $dec_s = strlen($decrypted); $padding = ord($decrypted[$dec_s - 1]); $decrypted = substr($decrypted, 0, -$padding); return $decrypted; } function hextobin($hexstr) { $n = strlen($hexstr); $sbin = ""; $i = 0; while ($i < $n) { $a = substr($hexstr, $i, 2); $c = pack("H*", $a); if ($i == 0) { $sbin = $c; } else { $sbin.=$c; } $i+=2; } return $sbin; }
数组排序 根据某个字段排序
/** * 数组排序 根据某个字段排序 * @author ganyuanjiang <3164145970@qq.com> * @createtime 2017-07-30 09:31:48 * @param $arr array() 要排序的数组 * @param $sort string 排序类型 asc顺序 desc逆序 * @param $field string 要排序的字段 * @return array() 排序过的数组 */ if(!function_exists('arr_sort')){ function arr_sort($arr,$sort,$field){ $arr_sort = $sort=='asc'?SORT_ASC:SORT_DESC; foreach ($arr as $value) { $flag[] = $value[$field]; } array_multisort($flag, $arr_sort, $arr); return $arr; } }
将对象数组转换成json数组
/** * 将对象数组转换成json数组 * @author ganyuanjiang <3164145970@qq.com> * @createtime 2017-08-11 14:12:57 * @param $arr object 要转换的对象数组 * @return json array() 转换成json数组 */ if(!function_exists('obj_arr')){ function obj_arr($obj){ return json_decode(json_encode($obj),true); } }
将json_encode一维数组字符串转换成带分割符的字符串
/** * 将json_encode一维数组字符串转换成带分割符的字符串 * @author ganyuanjiang <3164145970@qq.com> * @createtime 2017-08-31 16:04:13 * @param $str string json_encode字符串 * @param $delimiter string 分隔符,默认为"," * @return str string 带分割符的字符串 */ if(!function_exists('encode_str')){ function encode_str($str,$delimiter=","){ $arr = json_decode($str,true); $new_str = ""; foreach ($arr as $value) { if(!empty($new_str)){ $new_str.=","; } $new_str.=$value; } return $new_str; } }
随机字符串
/** * 随机字符串 * @author ganyuanjiang <3164145970@qq.com> * @createtime 2017-08-05 14:22:15 * @param length int 随机字符串长度 * @return str string 随机字符串 */ if(!function_exists('nonce_str')){ function nonce_str($length = 16) { $chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; $str = ""; for ($i = 0; $i < $length; $i++) { $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1); } return $str; } }
