Online PHP editor | refs for v5tjG

<?php $results = array( 0 => 'DogCatSheepBlue WhaleShark', 1 => 'CatPigGoatOtter', 2 => 'ElephantTigerDogBlue WhaleGoat', 3 => 'SeahorseSnakeGoatLion' ); function search($array, $search) { $words = explode(' ', $search); $regex = '/(' . implode('|', array_filter($words)) . ')/'; return array_filter($array, function ($v) use ($regex) { return preg_match($regex, $v); }); } print_r(search($results, 'Cat Whale')); print_r(search($results, 'GoatSeahorse')); print_r(search($results, 'Pig'));