3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function diff($this, $that){ $diff = $this-$that; while($diff < -180) $diff += 360; while($diff > 180) $diff -= 360; echo ($diff).PHP_EOL; } diff(359,1);//2 diff(1,359); diff(-90,90);//180 diff(90,- 90);//180
based on W6RU1
Output for 7.1.0
Fatal error: Cannot use $this as parameter in /in/TURGN on line 2
Process exited with code 255.
Output for 4.3.10 - 4.4.9, 5.0.2 - 5.0.5, 5.1.1 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.14
-2 2 -180 180
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/TURGN on line 13
Process exited with code 255.
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/TURGN on line 6 -2PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/TURGN on line 6 2PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/TURGN on line 6 -180PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/TURGN on line 6 180PHP_EOL