3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo PHP_EOL,'1)',PHP_EOL; $a = [1,2,3]; foreach($a as $v) {echo "{$v} - ", current($a), PHP_EOL;} echo PHP_EOL,'2)',PHP_EOL; $a = [1,2,3]; $b = &$a; foreach($a as $v) {echo "$v\n"; unset($a[1]);} echo PHP_EOL,'3)',PHP_EOL; $a = [1,2,3]; foreach($a as &$v) {echo $v . " - " . current($a) . "\n";}
Output for 7.0.0 - 7.3.0beta1
1) 1 - 1 2 - 1 3 - 1 2) 1 2 3 3) 1 - 1 2 - 1 3 - 1
Output for 5.4.9 - 5.6.28
1) 1 - 2 2 - 2 3 - 2 2) 1 3 3) 1 - 2 2 - 3 3 -
Output for 5.3.19 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/8JAJk on line 4
Process exited with code 255.