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<?php class Foo { public static function bar() { self::trace(); } private static function trace() { $trace = debug_backtrace(); foreach ($trace as $step) { echo implode('', [ $caller['class'], $caller['type'], $caller['function'] ]); } } } $foo = new Foo; $foo::bar();
Output for 8.3.0 - 8.3.6
Warning: Undefined variable $caller in /in/lGBmp on line 17 Warning: Trying to access array offset on null in /in/lGBmp on line 17 Warning: Undefined variable $caller in /in/lGBmp on line 18 Warning: Trying to access array offset on null in /in/lGBmp on line 18 Warning: Undefined variable $caller in /in/lGBmp on line 19 Warning: Trying to access array offset on null in /in/lGBmp on line 19 Warning: Undefined variable $caller in /in/lGBmp on line 17 Warning: Trying to access array offset on null in /in/lGBmp on line 17 Warning: Undefined variable $caller in /in/lGBmp on line 18 Warning: Trying to access array offset on null in /in/lGBmp on line 18 Warning: Undefined variable $caller in /in/lGBmp on line 19 Warning: Trying to access array offset on null in /in/lGBmp on line 19
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Warning: Undefined variable $caller in /in/lGBmp on line 17 Warning: Trying to access array offset on value of type null in /in/lGBmp on line 17 Warning: Undefined variable $caller in /in/lGBmp on line 18 Warning: Trying to access array offset on value of type null in /in/lGBmp on line 18 Warning: Undefined variable $caller in /in/lGBmp on line 19 Warning: Trying to access array offset on value of type null in /in/lGBmp on line 19 Warning: Undefined variable $caller in /in/lGBmp on line 17 Warning: Trying to access array offset on value of type null in /in/lGBmp on line 17 Warning: Undefined variable $caller in /in/lGBmp on line 18 Warning: Trying to access array offset on value of type null in /in/lGBmp on line 18 Warning: Undefined variable $caller in /in/lGBmp on line 19 Warning: Trying to access array offset on value of type null in /in/lGBmp on line 19
Output for 7.4.0 - 7.4.33
Notice: Undefined variable: caller in /in/lGBmp on line 17 Notice: Trying to access array offset on value of type null in /in/lGBmp on line 17 Notice: Undefined variable: caller in /in/lGBmp on line 18 Notice: Trying to access array offset on value of type null in /in/lGBmp on line 18 Notice: Undefined variable: caller in /in/lGBmp on line 19 Notice: Trying to access array offset on value of type null in /in/lGBmp on line 19 Notice: Undefined variable: caller in /in/lGBmp on line 17 Notice: Trying to access array offset on value of type null in /in/lGBmp on line 17 Notice: Undefined variable: caller in /in/lGBmp on line 18 Notice: Trying to access array offset on value of type null in /in/lGBmp on line 18 Notice: Undefined variable: caller in /in/lGBmp on line 19 Notice: Trying to access array offset on value of type null in /in/lGBmp on line 19
Output for 7.3.32 - 7.3.33
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31
Notice: Undefined variable: caller in /in/lGBmp on line 17 Notice: Undefined variable: caller in /in/lGBmp on line 18 Notice: Undefined variable: caller in /in/lGBmp on line 19 Notice: Undefined variable: caller in /in/lGBmp on line 17 Notice: Undefined variable: caller in /in/lGBmp on line 18 Notice: Undefined variable: caller in /in/lGBmp on line 19
preferences:
241.89 ms | 403 KiB | 315 Q