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<?php $a = 'ab.sd.a'; var_dump(preg_replace('/[\.\,]/g', $a));
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 ArgumentCountError: preg_replace() expects at least 3 arguments, 2 given in /in/5WEO1:4 Stack trace: #0 /in/5WEO1(4): preg_replace('/[\\.\\,]/g', 'ab.sd.a') #1 {main} thrown in /in/5WEO1 on line 4
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, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: preg_replace() expects at least 3 parameters, 2 given in /in/5WEO1 on line 4 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
Warning: Wrong parameter count for preg_replace() in /in/5WEO1 on line 4 NULL

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