3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $x['a']['b']['c']['d']['e']='y'; $x['aaa']='FirstLevel'; $x['a']['_parent'] = &$x; $x['a']['b']['_parent'] = &$x['a']; $x['a']['b']['c']['_parent'] = &$x['a']['b']; $x['a']['b']['c']['d']['_parent'] = &$x['a']['b']['c']; json_encode($x);
based on sEYE6
Output for 5.5.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Output for 5.3.0 - 5.4.45
Warning: json_encode(): recursion detected in /in/Imvi2 on line 11 Warning: json_encode(): recursion detected in /in/Imvi2 on line 11 Warning: json_encode(): recursion detected in /in/Imvi2 on line 11 Warning: json_encode(): recursion detected in /in/Imvi2 on line 11
Output for 5.2.0 - 5.2.17
Warning: json_encode(): recursion detected in /in/Imvi2 on line 11 Warning: json_encode(): recursion detected in /in/Imvi2 on line 11 Warning: json_encode(): recursion detected in /in/Imvi2 on line 11 Warning: json_encode(): recursion detected in /in/Imvi2 on line 11 Warning: json_encode(): recursion detected in /in/Imvi2 on line 11 Warning: json_encode(): recursion detected in /in/Imvi2 on line 11 Warning: json_encode(): recursion detected in /in/Imvi2 on line 11 Warning: json_encode(): recursion detected in /in/Imvi2 on line 11
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/Imvi2 on line 11
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/Imvi2 on line 11
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/Imvi2 on line 11
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/Imvi2 on line 11