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run code in 150+ php & hhvm versions
Bugs & Features
<?php $element = 'foo'; $elements = array(1, 2, 3); foreach ($elements as &$element) { $element = 8; } var_dump($element, $elements);
Output for 5.2.1 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
int(8) array(3) { [0]=> int(8) [1]=> int(8) [2]=> &int(8) }
Output for 5.0.0 - 5.2.0
int(8) array(3) { [0]=> &int(8) [1]=> &int(8) [2]=> &int(8) }
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/gap3A on line 7
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 '$' in /in/gap3A on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/gap3A on line 7
Process exited with code 255.