3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $code = left("03255000000"); $len = strlen($code); $code = left("03255000000", ($len -1)); $len = strlen($code); $i = 0; $r = 1; $sum = 0; do { $r = ($r > 10)?1:$r++; $s = ($code[$i]*$r); $sum = ($sum + $s); echo $i.": ".$code[$i]." * $r = $s sum = $sum\n"; $i++; $r++; }while($i < $len); echo (string)($sum%11); ?>
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Call to undefined function left() in /in/HT0bi:2 Stack trace: #0 {main} thrown in /in/HT0bi on line 2
Process exited with code 255.
Output for 5.0.0 - 5.6.28
Fatal error: Call to undefined function left() in /in/HT0bi on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: left() in /in/HT0bi on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: left() in /in/HT0bi on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: left() in /in/HT0bi on line 2