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run code in 200+ php & hhvm versions
Bugs & Features
<?php $A = array(3,4); $B = &$A[0]; $F = &$A[1]; $C = $A; $D = $A; var_dump($C); var_dump($D); $C[0] = $D[1]; $C[0] = 10; $D[1] = 20; var_dump($C); var_dump($D); echo $A[0] . ' ' . $A[1];
Output for 4.3.0 - 7.1.7
array(2) { [0]=> &int(3) [1]=> &int(4) } array(2) { [0]=> &int(3) [1]=> &int(4) } array(2) { [0]=> &int(10) [1]=> &int(20) } array(2) { [0]=> &int(10) [1]=> &int(20) } 10 20