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<?php $a = array(1,2,3,4); foreach($a AS &$y) { $y = $y*2; } unset($y); foreach($a AS $y) { echo $y.', '; } echo PHP_EOL, $y , PHP_EOL; foreach($a AS $x) { echo $x.', '; } echo PHP_EOL, $x , PHP_EOL;
Output for git.master, git.master_jit, rfc.property-hooks
2, 4, 6, 8, 8 2, 4, 6, 8, 8

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