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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
$userconfig=[];
array_push($userconfig,"tttt");
$userconfig = json_encode($userconfig,true);
$userconfig = json_decode($userconfig,true);
echo $userconfig[0] . "END";
$userconfig = array_diff($userconfig,["tttt"]);
$userconfig = json_encode($userconfig,true);
echo $userconfig;
?>