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<?php function array_filter_strlen($a, $l) { $a = preg_replace('/^.{0, 3}$/u', '', $a); var_dump($a); return $a; } print_r(array_filter_strlen(array('привет', 'мир', 'и', 'cyberforum'), 3));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
array(4) { [0]=> string(12) "привет" [1]=> string(6) "мир" [2]=> string(2) "и" [3]=> string(10) "cyberforum" } Array ( [0] => привет [1] => мир [2] => и [3] => cyberforum )

preferences:
249.08 ms | 406 KiB | 349 Q