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run code in 200+ php & hhvm versions
Bugs & Features
<?php $Year_numbers= substr($Start_Week, 0, 4); $Week_numbers= substr($Start_Week, 4, 6); $Start_Week_berekend = date("YW", strtotime("{$Year_numbers}-W{$Week_numbers}+$Optel_Week week"));
Output for 5.0.4 - 7.2.0
Notice: Undefined variable: Start_Week in /in/PMs54 on line 3 Notice: Undefined variable: Start_Week in /in/PMs54 on line 4 Notice: Undefined variable: Optel_Week in /in/PMs54 on line 5
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: Start_Week in /in/PMs54 on line 3 Notice: Undefined variable: Start_Week in /in/PMs54 on line 4 Notice: Undefined variable: Optel_Week in /in/PMs54 on line 5