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run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 1; $b = array(2, 3); $arr = array(&$a, &$b[0], &$b[1]); $arr=1+$arr[0]++; $arr[1]++; echo $a; echo implode($b); ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Warning: Cannot use a scalar value as an array in /in/QId7e on line 6 223