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<?php $files1 = array('AAA', 'BBB', 'CcC'); function bbq( &$path ) { $path = strtolower($path); return true; } $files2 = array_filter($files1, 'bbq'); var_dump($files1, $files2);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Warning: bbq(): Argument #1 ($path) must be passed by reference, value given in /in/iTqYI on line 10 Warning: bbq(): Argument #1 ($path) must be passed by reference, value given in /in/iTqYI on line 10 Warning: bbq(): Argument #1 ($path) must be passed by reference, value given in /in/iTqYI on line 10 array(3) { [0]=> string(3) "AAA" [1]=> string(3) "BBB" [2]=> string(3) "CcC" } array(3) { [0]=> string(3) "AAA" [1]=> string(3) "BBB" [2]=> string(3) "CcC" }
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(3) { [0]=> string(3) "AAA" [1]=> string(3) "BBB" [2]=> string(3) "CcC" } array(3) { [0]=> string(3) "AAA" [1]=> string(3) "BBB" [2]=> string(3) "CcC" }
Output for 4.3.0 - 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
array(3) { [0]=> string(3) "aaa" [1]=> string(3) "bbb" [2]=> string(3) "ccc" } array(3) { [0]=> string(3) "aaa" [1]=> string(3) "bbb" [2]=> string(3) "ccc" }
preferences:
111.45 ms | 411 KiB | 5 Q