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<?php $a = array(1,2,3); var_dump($a); foreach($a as &$b){} var_dump($a); foreach($a as $b){ var_dump($b); }
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } array(3) { [0]=> int(1) [1]=> int(2) [2]=> &int(3) } int(1) int(2) int(2)

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