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<?php $files = array('Ablah', 'Bblah'); $files = array_filter($files, function ( &$path ) { $path = strtolower($path); // Drivers should be lowercase return true; }); print_r($files);
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: {closure}(): Argument #1 ($path) must be passed by reference, value given in /in/5LFhg on line 5 Warning: {closure}(): Argument #1 ($path) must be passed by reference, value given in /in/5LFhg on line 5 Array ( [0] => Ablah [1] => Bblah )
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Warning: {closure}(): Argument #1 ($path) must be passed by reference, value given in /in/5LFhg on line 8 Warning: {closure}(): Argument #1 ($path) must be passed by reference, value given in /in/5LFhg on line 8 Array ( [0] => Ablah [1] => Bblah )
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Array ( [0] => Ablah [1] => Bblah )
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
Array ( [0] => ablah [1] => bblah )
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/5LFhg 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/5LFhg on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/5LFhg on line 5
Process exited with code 255.

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