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<?php $a = array(1, 2, 3); function incrementArray(array $arr) { foreach($arr as $k => $el) { ++$arr[$k]; } } function incrementArrayRef(array &$arr) { foreach($arr as $k => $el) { ++$arr[$k]; } } incrementArray($a); foreach($a as $b) { echo "" . $b . "\n"; } echo "\n"; incrementArrayRef($a); foreach($a as $b) { echo "" . $b . "\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
1 2 3 2 3 4

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