3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array ('zero','one','two', 'three'); foreach ($a as &$v) { } foreach ($a as $v) { echo $v.PHP_EOL; }
based on ArBLP
Output for 5.0.2 - 7.1.0
zero one two two
Output for 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/RSKrH on line 10 zeroPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/RSKrH on line 10 onePHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/RSKrH on line 10 twoPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/RSKrH on line 10 twoPHP_EOL
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/RSKrH on line 5
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 '$' in /in/RSKrH on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/RSKrH on line 5
Process exited with code 255.