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run code in 150+ php & hhvm versions
Bugs & Features
<?php class Foo { function test() { var_dump(debug_backtrace(true)[1]); } } class Bar { public function __construct() { $foo = new Foo(); $foo->test(); } } $bar = new Bar(); $foo = new Foo(); $foo->test();
Output for 5.4.0 - 7.1.0
array(7) { ["file"]=> string(9) "/in/ViJEU" ["line"]=> int(21) ["function"]=> string(11) "__construct" ["class"]=> string(3) "Bar" ["object"]=> object(Bar)#1 (0) { } ["type"]=> string(2) "->" ["args"]=> array(0) { } } Notice: Undefined offset: 1 in /in/ViJEU on line 8 NULL
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/ViJEU on line 8
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/ViJEU on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ViJEU on line 8
Process exited with code 255.