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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 git.master, git.master_jit, rfc.property-hooks
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 " }

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