复制代码代码如下:php/*** PHP 实现explort() 功能的详解*/$str = ',1,2,3,4,321321,aaa,bbb';function myExplode($seg,$str,$limit=0){$_ret = array(0=>'');$len = strlen($str);$slen = strlen($seg);$_limit = 0;for($i=0; $i if(substr($str,$i,$slen) == $seg ){$_limit++;$i += $slen-1;continue;}else{$_ret[$_limit] .= $str[$i];}}if($limit $_ret = array_slice($_ret, 0 , $limit );else{$_ret = $limit >= count($_ret) ? $_ret : array_merge(array_slice($_ret, 0 , $limit-1 ), array(implode( $seg , array_slice($_ret,$limit-1))));}return $_ret;}var_dump(myExplode("4",$str));echo "";var_dump(explode("4",$str));echo "";?>支持 limit 为负。。分割符为字符串
PHP 实现explort() 功能的详解_php技巧
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