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run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array("one", "two", "three"); foreach($arr as &$v){ $v .= "_clgt?"; } var_dump($arr); foreach($arr as $v){ echo $v; }
based on 1234O
Output for 5.2.1 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(3) { [0]=> string(9) "one_clgt?" [1]=> string(9) "two_clgt?" [2]=> &string(11) "three_clgt?" } one_clgt?two_clgt?two_clgt?
Output for 5.0.0 - 5.2.0
array(3) { [0]=> &string(9) "one_clgt?" [1]=> &string(9) "two_clgt?" [2]=> &string(11) "three_clgt?" } one_clgt?two_clgt?two_clgt?
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/9UeaK 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 '$' in /in/9UeaK on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/9UeaK on line 3
Process exited with code 255.