<?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));
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