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run code in 300+ PHP versions simultaneously
<?php const INVALID_QUERY_CHARS = '/[^a-zA-Z0-9.\-\s]+/'; $query = preg_replace(INVALID_QUERY_CHARS, '_', $query);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $query in /in/VBUFb on line 3 Deprecated: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /in/VBUFb on line 3
Output for 8.0.0 - 8.0.30
Warning: Undefined variable $query in /in/VBUFb on line 3
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: query in /in/VBUFb on line 3
Output for 7.3.32 - 7.3.33
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_CONST in /in/VBUFb on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_CONST in /in/VBUFb on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/VBUFb on line 2
Process exited with code 255.

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252.61 ms | 401 KiB | 356 Q