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run code in 200+ php & hhvm versions
Bugs & Features
<?php $foo = 'foo'; $bar = new stdClass; $bar->$foo = array(10,20,30); var_dump($bar->$foo); $bar->{$foo[0]} = 42; $bar->$foo[0] = 42; var_dump($bar);
based on i4VmE
Output for 7.0.0 - 7.2.0
array(3) { [0]=> int(10) [1]=> int(20) [2]=> int(30) } object(stdClass)#1 (2) { ["foo"]=> array(3) { [0]=> int(42) [1]=> int(20) [2]=> int(30) } ["f"]=> int(42) }
Output for 5.3.21 - 5.6.28
array(3) { [0]=> int(10) [1]=> int(20) [2]=> int(30) } object(stdClass)#1 (2) { ["foo"]=> array(3) { [0]=> int(10) [1]=> int(20) [2]=> int(30) } ["f"]=> int(42) }