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run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array(10, 20); foreach($a as &$v) { var_dump($a); var_dump($v); unset($a[1]); } var_dump($v);
Output for 5.2.2 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(2) { [0]=> &int(10) [1]=> int(20) } int(10) int(10)
Output for 5.0.0 - 5.2.1
array(2) { [0]=> &int(10) [1]=> int(20) } int(10) array(1) { [0]=> &int(10) } int(20) int(20)
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/ALcSL on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/ALcSL on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/ALcSL on line 3
Process exited with code 255.