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<?php $test = preg_split("[*]", "['hotels'][3]"); echo var_dump($test);
Output for 4.3.11 - 7.1.0
Warning: preg_split(): Compilation failed: nothing to repeat at offset 0 in /in/utJLQ on line 2 bool(false)
Output for 4.3.0 - 4.3.10
Warning: Compilation failed: nothing to repeat at offset 0 in /in/utJLQ on line 2 bool(false)