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run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); echo preg_quote('works'); echo preg_quote('throws', null);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 7.2.21 - 7.2.33, 7.3.8 - 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
worksthrows
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.20, 7.3.0 - 7.3.7
works Fatal error: Uncaught TypeError: preg_quote() expects parameter 2 to be string, null given in /in/ufjFF:7 Stack trace: #0 /in/ufjFF(7): preg_quote('throws', NULL) #1 {main} thrown in /in/ufjFF on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Warning: Unsupported declare 'strict_types' in /in/ufjFF on line 3 worksthrows

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