3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array('franz', 'de leon', 'blah'); foreach ($a as &$val) { if ($val === 'de leon') { unset($val); } } var_dump($a);
Output for 5.2.1 - 7.1.0
array(3) { [0]=> string(5) "franz" [1]=> string(7) "de leon" [2]=> &string(4) "blah" }
Output for 5.0.0 - 5.2.0
array(3) { [0]=> &string(5) "franz" [1]=> string(7) "de leon" [2]=> &string(4) "blah" }
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/SfEUQ on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/SfEUQ on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/SfEUQ on line 4
Process exited with code 255.