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<?php $options = array('label' => 'test', 'label' => '', 'label' => 'test 2'); $options = array_filter($options, function($value) { return $value['label']; }); print_r($options);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /in/jOTPN:5 Stack trace: #0 [internal function]: {closure}('test 2') #1 /in/jOTPN(5): array_filter(Array, Object(Closure)) #2 {main} thrown in /in/jOTPN on line 5
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 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
Warning: Illegal string offset 'label' in /in/jOTPN on line 5 Array ( [label] => test 2 )
Output for 5.3.0 - 5.3.29
Array ( [label] => test 2 )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/jOTPN on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/jOTPN on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/jOTPN on line 5
Process exited with code 255.

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