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<?php var_dump(preg_match('/^([0-9]{4}|[0-9]{6})$/', "1234", $deger)); var_dump($deger);
based on 54rIa
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0
int(1) array(2) { [0]=> string(4) "1234" [1]=> string(4) "1234" }