3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 10; $a = -$a++; $b = 10; ++$b = -$b; $c = 10; $c = -$c++; var_dump($a, $b, $c);
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.32
Parse error: syntax error, unexpected '=' in /in/Mf5lQ on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '=' in /in/Mf5lQ on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Mf5lQ on line 7
Process exited with code 255.
preferences:
218.19 ms | 1395 KiB | 123 Q