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run code in 150+ php & hhvm versions
Bugs & Features
<?php class x { public static function z(){ var_dump(isset($this), get_called_class(), __CLASS__, __METHOD__, debug_backtrace(false)); echo 'x->z();'; } } $x = new x; $x->z(); x::z();
based on sXif3
Output for 5.3.0 - 5.6.21, hhvm-3.12.0, 7.0.0 - 7.1.0
bool(false) string(1) "x" string(1) "x" string(4) "x::z" array(1) { [0]=> array(6) { ["file"]=> string(9) "/in/omXtQ" ["line"]=> int(12) ["function"]=> string(1) "z" ["class"]=> string(1) "x" ["type"]=> string(2) "::" ["args"]=> array(0) { } } } x->z();bool(false) string(1) "x" string(1) "x" string(4) "x::z" array(1) { [0]=> array(6) { ["file"]=> string(9) "/in/omXtQ" ["line"]=> int(13) ["function"]=> string(1) "z" ["class"]=> string(1) "x" ["type"]=> string(2) "::" ["args"]=> array(0) { } } } x->z();
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.2.17
Fatal error: Call to undefined function get_called_class() in /in/omXtQ on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/omXtQ on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/omXtQ on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/omXtQ on line 5
Process exited with code 255.