1 <?php
2 /*
3 preg_split($pattern, $subject)
4 explode(...)是其子集
5 */
6 header('content-type: text/html;charset = utf-8');
7
8 $pattern = '/[0-9]/';
9 $subject = '慕3女2神,5约吗';
10
11 $arr = preg_split($pattern, $subject);
12
13 show($arr);
14
15
16 // 对输出做个判断，选择合适的输出方式
17 function show($var = null){
18 if(empty($var)){
19 echo 'null';
20 }elseif(is_array($var) || is_object($var)){
21 //array, object
22 echo '<pre>';
23 print_r($var);
24 echo '</pre>';
25 }else{
26 //string, int, float...
27 echo $var;
28 }
29 }
