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<?php $words = ["apple", "sample", "app", "тоҷик", "отабек", "баҳодурбек"]; $letters = ['l', 's']; $res = preg_grep("/[" . implode("", $letters) . "]/", $words); var_dump($res);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 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
array(2) { [0]=> string(5) "apple" [1]=> string(6) "sample" }
preferences:
132.99 ms | 408 KiB | 5 Q