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<?php class Foo { public function __get($v) { var_dump(get_called_class()); var_dump(debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 2)); } } $foo = new Foo; $foo->bar;
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.29, 5.5.31 - 5.5.38, 5.6.0 - 5.6.32, 5.6.34 - 5.6.40, 7.0.0 - 7.0.9, 7.0.16, 7.0.18 - 7.0.33, 7.1.1, 7.1.3, 7.1.6 - 7.1.33, 7.2.0 - 7.2.26, 7.3.0 - 7.3.13, 7.4.0 - 7.4.1, 8.2.15 - 8.2.17, 8.3.2 - 8.3.4
string(3) "Foo" array(1) { [0]=> array(5) { ["file"]=> string(9) "/in/QC7ds" ["line"]=> int(16) ["function"]=> string(5) "__get" ["class"]=> string(3) "Foo" ["type"]=> string(2) "->" } }
Output for 5.5.30, 5.6.33, 7.0.10 - 7.0.15, 7.0.17, 7.1.0, 7.1.2, 7.1.4 - 7.1.5

Process exited with code 137.
Output for 5.3.6 - 5.3.29
string(3) "Foo" Warning: debug_backtrace() expects at most 1 parameter, 2 given in /in/QC7ds on line 9 NULL
Output for 5.3.0 - 5.3.5
string(3) "Foo" Notice: Use of undefined constant DEBUG_BACKTRACE_IGNORE_ARGS - assumed 'DEBUG_BACKTRACE_IGNORE_ARGS' in /in/QC7ds on line 9 Warning: debug_backtrace() expects at most 1 parameter, 2 given in /in/QC7ds on line 9 NULL
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Fatal error: Call to undefined function get_called_class() in /in/QC7ds on line 8
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/QC7ds on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/QC7ds on line 6
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/QC7ds on line 6
Process exited with code 255.

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