php变量调试辅助

Posted 2020-12-12 IDFC

<?php
session_start();

//把接收到的变量打印到html的注释里。 这样查看页面源代码的时候可用检查接收到的变量，而不会影响页面的结构

echo "
<!--BEGIN VARIABLE DUMP-->

";


echo "
<!--BEGIN GET VARS-->

";
echo "
<!--".dump_array($_GET)."-->

";

echo "
<!--BEGIN POST VARS-->

";
echo "
<!--".dump_array($_POST)."-->

";

echo "
<!--BEGIN SESSION VARS-->

";
echo "
<!--".dump_array($_SESSION)."-->

";

echo "
<!--BEGIN COOKIE VARS-->

";
echo "
<!--".dump_array($_COOKIE)."-->

";



echo "
<!--BEGIN VARIABLE DUMP-->

";

function dump_array($array){
    if(is_array($array)){
        $size = count($array);
        $string = "";
        $if($size){
            $count = 0;
            $string .= "{";
            foreach($array as $var => $value){
                if($count++ < ($size-1)){
                    $string .= ", ";
                }
            }
            $string .=" }";
        }
        return $string;
    }else{
        //if it is not an array,just retun it;
        return $array;
    }
}
?>