3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php // Source: https://bugs.php.net/bug.php?id=62171 $a = array(); $a[0] = &$a; var_dump($a === $a);
Output for 5.3.15 - 5.3.29, 5.4.5 - 7.1.0
bool(true)
Output for 4.3.2 - 5.3.14, 5.4.0 - 5.4.4
Fatal error: Nesting level too deep - recursive dependency? in /in/QlgAF on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Nesting level too deep - recursive dependency? in /in/QlgAF on line 5