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<?php $a = array(); $a['common'] = 123; $a['a1'] = array( 'common' => &$a['common'], 'elt1' => 11, 'elt2' => 12 ); $a['a2'] = array( 'common' => &$a['common'], 'elt1' => 21, 'elt2' => 22 ); $as = serialize($a); $a2 = unserialize($as); var_dump($a2['common']); var_dump($a2['a1']['common']); var_dump($a2['a2']['common']);
Output for 4.3.0 - 7.1.0
int(123) int(123) int(123)