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run code in 500+ PHP versions simultaneously
<?php $array = [ 'smiles.gif', 'kittens.jpg', 'biscuits.png', 'butthead.jpg', ]; $bad_words = ['beavis', 'butthead', 'winehouse']; $bad_extensions = ['.gif', '.tiff']; $branches = implode( '|', array_merge( $bad_words, array_map( fn($v) => preg_quote($v, '/') . '$', $bad_extensions ) ) ); var_export(preg_grep("/$branches/i", $array, PREG_GREP_INVERT));
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 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 => 'kittens.jpg', 2 => 'biscuits.png', )
preferences:
87.81 ms | 1241 KiB | 4 Q