3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $str = <<<STR THEDLSDARNVNS CCVBXXMTGFRWS CVIYTVBVSDOPTR VBNMAITYSURFD MOTYYERSAWERTY MOITRUHDYRTBDI VNOWUNMBORN STR; $str = preg_replace("/\s|\n/", "", $str); $fib = [1, 2, 3, 5, 8, 13]; foreach ($fib as $pos) { echo substr($str, $pos, 1); }
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
HEDSRC
Output for 4.4.3 - 4.4.9, 5.1.0 - 5.1.1, 5.1.3 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/XLRBk on line 15
Process exited with code 255.
Output for 4.4.2, 5.1.2
Parse error: syntax error, unexpected '[' in /in/XLRBk on line 16
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/XLRBk on line 15
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/XLRBk on line 15
Process exited with code 255.