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<?php $a = array(1,2,3,4); foreach($a AS &$y) { $y = $y*2; } echo PHP_EOL; var_dump($a); foreach($a AS $y) { echo $y.' '; } echo PHP_EOL; var_dump($a);
Output for git.master, git.master_jit, rfc.property-hooks
array(4) { [0]=> int(2) [1]=> int(4) [2]=> int(6) [3]=> &int(8) } 2 4 6 6 array(4) { [0]=> int(2) [1]=> int(4) [2]=> int(6) [3]=> &int(6) }

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