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<?php $a = ['foo','bar','baz']; // touch refcount $b = &$a; foreach($a as $v) { echo 'Running ', $v, "\n"; unset($a[1]); var_dump($a); } echo 'final:', "\n"; var_dump($a);
Output for git.master, git.master_jit, rfc.property-hooks
Running foo array(2) { [0]=> string(3) "foo" [2]=> string(3) "baz" } Running bar array(2) { [0]=> string(3) "foo" [2]=> string(3) "baz" } Running baz array(2) { [0]=> string(3) "foo" [2]=> string(3) "baz" } final: array(2) { [0]=> string(3) "foo" [2]=> string(3) "baz" }

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