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<?php $formats = [ 'a', '', '0']; var_dump(array_filter($formats)); var_dump(array_filter($formats, fn ($value) => $value !== ''));
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array(1) { [0]=> string(1) "a" } array(2) { [0]=> string(1) "a" [2]=> string(1) "0" }
preferences:
39.34 ms | 984 KiB | 4 Q