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<?php $test = preg_split("\[(.*?)\]", "['hotels'][3]"); echo $test;
Output for 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: preg_split(): Delimiter must not be alphanumeric, backslash, or NUL in /in/aWZCk on line 2
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, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27
Warning: preg_split(): Delimiter must not be alphanumeric or backslash in /in/aWZCk on line 2
Output for 4.3.0 - 4.3.10
Warning: Delimiter must not be alphanumeric or backslash in /in/aWZCk on line 2

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209.9 ms | 401 KiB | 308 Q