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run code in 150+ php & hhvm versions
Bugs & Features
<?php function f ($name, $vars) { var_dump($vars); return $name; } trait A { function bar() { var_dump(get_class(), get_class(null), get_class(self), get_class(${f('this', array_merge(get_defined_vars(), array()))})); } } class B { use A; } $f = new B; $f->bar();
Output for 7.1.0
Notice: Use of undefined constant self - assumed 'self' in /in/25QP5 on line 6 Warning: get_class() expects parameter 1 to be object, string given in /in/25QP5 on line 6 array(0) { } string(1) "B" string(1) "B" bool(false) string(1) "B"
Output for 7.0.0 - 7.0.14
Notice: Use of undefined constant self - assumed 'self' in /in/25QP5 on line 6 Warning: get_class() expects parameter 1 to be object, string given in /in/25QP5 on line 6 array(1) { ["this"]=> object(B)#1 (0) { } } string(1) "B" string(1) "B" bool(false) string(1) "B"
Output for hhvm-3.10.0 - 3.12.0
Notice: Use of undefined constant self - assumed 'self' in /in/25QP5 on line 6 array(0) { } Notice: Undefined variable: this in /in/25QP5 on line 6 string(1) "B" string(1) "B" bool(false) string(1) "B"
Output for 5.4.0 - 5.6.28
Notice: Use of undefined constant self - assumed 'self' in /in/25QP5 on line 6 Warning: get_class() expects parameter 1 to be object, string given in /in/25QP5 on line 6 array(0) { } Notice: Undefined variable: this in /in/25QP5 on line 6 string(1) "B" string(1) "B" bool(false) string(1) "B"
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/25QP5 on line 6
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_STRING in /in/25QP5 on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/25QP5 on line 6
Process exited with code 255.