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<?php $arr = array('a', 'b'); foreach ($arr as &$a) { var_dump($a); } debug_zval_dump($arr); debug_zval_dump($a); foreach ($arr as $a) { var_dump($a); } debug_zval_dump($arr); debug_zval_dump($a);
Output for git.master, git.master_jit, rfc.property-hooks
string(1) "a" string(1) "b" array(2) refcount(2){ [0]=> reference refcount(1) { string(1) "a" interned } [1]=> reference refcount(2) { string(1) "b" interned } } string(1) "b" interned string(1) "a" string(1) "a" array(2) refcount(2){ [0]=> reference refcount(1) { string(1) "a" interned } [1]=> reference refcount(2) { string(1) "a" interned } } string(1) "a" interned

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