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<?php $test = preg_split("\[\]", "['hotels'][3]"); echo var_dump($test);
Output for 4.3.11 - 7.2.0
Warning: preg_split(): Delimiter must not be alphanumeric or backslash in /in/jQKAu on line 2 bool(false)
Output for 4.3.0 - 4.3.10
Warning: Delimiter must not be alphanumeric or backslash in /in/jQKAu on line 2 bool(false)