3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $av_sign = 'rjl'; $shop_id = 1; $order_number = 1; $amount = 0; echo strtoupper(MD5(strtoupper(MD5($av_sign) + MD5($shop_id + $order_number + $amount))));
Output for 7.1.0 - 7.2.6
Notice: A non well formed numeric value encountered in /in/bCBSH on line 8 Warning: A non-numeric value encountered in /in/bCBSH on line 8 1F06FE8430AE2359394B81B43BF4FE5C
Output for 4.3.0 - 7.0.20
1F06FE8430AE2359394B81B43BF4FE5C