本文实例讲述了php自定义urlencode，urldecode函数。分享给大家供大家参考。具体如下：
//配合JavaScript的ajaxObject函数, 对字串进行转码.
function ajax_encode($str){
$patern = array("/%/","/=/","/&/");
// % 必须是第一个项, 替换是按项的顺序进行的.
$rp = array("%25","%26","%3D");
return preg_replace($patern,$rp,$str);
}
//逆函数
function ajax_decode($str){
$patern = array("/%25/","/%26/","/%3D/");
$rp = array("%","=","&");
return preg_replace($patern,$rp,$str);
}希望本文所述对大家的php程序设计有所帮助。
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