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run code in 300+ PHP versions simultaneously
<?php if( function_exists('strpos')) die('Bye!'); { function strpos(){ return false; } } function strlen(){ return 5; }
Output for 7.0.0 - 7.0.29, 7.1.0 - 7.1.16, 7.2.0 - 7.2.4
Fatal error: Cannot redeclare strpos() in /in/5Aimn on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30
Fatal error: Cannot redeclare strlen() in /in/5Aimn on line 10
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
Bye!
preferences:
193.32 ms | 1005 KiB | 7 Q