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run code in 300+ PHP versions simultaneously
<?php $cmd = 'cmd /c calc & taskmgr & mspaint'; echo escapeshellcmd($cmd);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
cmd /c calc \& taskmgr \& mspaint
preferences:
129.56 ms | 408 KiB | 5 Q