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run code in 300+ PHP versions simultaneously
<?php $string = '<b>AAAAA</b>'; var_dump( preg_replace('/<[^>]*>'/g, '*', $string) );
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught Error: Undefined constant "g" in /in/K8Fe7:4 Stack trace: #0 {main} thrown in /in/K8Fe7 on line 4
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant g - assumed 'g' (this will throw an Error in a future version of PHP) in /in/K8Fe7 on line 4 Warning: A non-numeric value encountered in /in/K8Fe7 on line 4 Warning: A non-numeric value encountered in /in/K8Fe7 on line 4 Warning: Division by zero in /in/K8Fe7 on line 4 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/K8Fe7 on line 4 NULL
Output for 7.1.0 - 7.1.33
Notice: Use of undefined constant g - assumed 'g' in /in/K8Fe7 on line 4 Warning: A non-numeric value encountered in /in/K8Fe7 on line 4 Warning: A non-numeric value encountered in /in/K8Fe7 on line 4 Warning: Division by zero in /in/K8Fe7 on line 4 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/K8Fe7 on line 4 NULL
Output for 7.0.0 - 7.0.20
Notice: Use of undefined constant g - assumed 'g' in /in/K8Fe7 on line 4 Warning: Division by zero in /in/K8Fe7 on line 4 Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in /in/K8Fe7 on line 4 NULL
Output for 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, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Notice: Use of undefined constant g - assumed 'g' in /in/K8Fe7 on line 4 Warning: Division by zero in /in/K8Fe7 on line 4 Warning: preg_replace(): Empty regular expression in /in/K8Fe7 on line 4 NULL
Output for 4.3.0 - 4.3.10
Notice: Use of undefined constant g - assumed 'g' in /in/K8Fe7 on line 4 Warning: Division by zero in /in/K8Fe7 on line 4 Warning: Empty regular expression in /in/K8Fe7 on line 4 NULL

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267.11 ms | 401 KiB | 355 Q