3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function x() {} fb_intercept("x", function() { var_dump(debug_backtrace()); }); x();
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Call to undefined function fb_intercept() in /in/ssb9l:1 Stack trace: #0 {main} thrown in /in/ssb9l on line 1
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
array(2) { [0]=> array(4) { ["file"]=> string(9) "/in/ssb9l" ["line"]=> int(1) ["function"]=> string(9) "Closure$x" ["args"]=> array(5) { [0]=> string(1) "x" [1]=> NULL [2]=> array(0) { } [3]=> NULL [4]=> bool(true) } } [1]=> array(4) { ["file"]=> string(9) "/in/ssb9l" ["line"]=> int(1) ["function"]=> string(1) "x" ["args"]=> array(0) { } } }
Output for 5.3.0 - 5.6.28
Fatal error: Call to undefined function fb_intercept() in /in/ssb9l on line 1
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/ssb9l on line 1
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 T_FUNCTION in /in/ssb9l on line 1
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ssb9l on line 1
Process exited with code 255.