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run code in 300+ PHP versions simultaneously
<?php if (version_compare(PHP_VERSION, '7.0', '>=') || defined('HHVM_VERSION')) { declare(strict_types=1); function foo(int $foo) { echo $foo; } foo(1); foo('hi'); }
Output for 7.0.0
Fatal error: strict_types declaration must be the very first statement in the script in /in/VWZBk on line 4
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Warning: Unsupported declare 'strict_types' in /in/VWZBk on line 4
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186.34 ms | 940 KiB | 36 Q