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<?php function trim_value(&$value) { $value = str_replace("\0", "", $value); } $fruit = array('apple','banana ', ' cran berry '); var_dump($fruit); array_walk($fruit, 'trim_value'); var_dump($fruit); ?>
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 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(3) { [0]=> string(5) "apple" [1]=> string(7) "banana " [2]=> string(12) " cran berry " } array(3) { [0]=> string(5) "apple" [1]=> string(7) "banana " [2]=> string(12) " cran berry " }

preferences:
146.03 ms | 403 KiB | 184 Q