php字符截取
substr(变量, 0,506)
<?php $my_name='&&&&'; //echo substr(xml_entities(...
<?php $servername = "localhost"; $username = "root"; $...
$conn=new sqlhelper;for ($i = 0; $i <1000 ; $i++) {$sql="insert into system_user(user_shenfe...
date.timezone = PRCdisplay_errors = On网络保存图片,以及微信获取手机号码: windows下的PHP,只需要到php.ini中把前面的&nb...
<?php function xml_entities($string) { //过滤emod $ts_zifu= json_encode($st...
用substr函数实现substr(md5(变量),8,16);就可以实现默认的md5(变量)输出的是32位加密方法...