php字符截取
substr(变量, 0,506)
增加$arr[$iy]["pr_count"]+=$pr_count;减少$arr[$iy]["pr_count"]-=$pr_count;删除unset($a...
需要用到PHP自带函数chr()方法如下:$string=str_replace(chr(0x01),"",$string);...
生成json<?php $arr=array(); //定义空数组 $one="111"; $two="222"; arra...
<?php function xml_entities($string) { //过滤emod $ts_zifu= json_encode($st...
<?php $servername = "localhost"; $username = "root"; $...
<?php $cars=$_POST['shuju'];$cars=explode(',', $cars);print_r($cars)&n...