Bug #65871 [NEW]: debug_backtrace missing 'file' & 'line' indices for reflection-invoked methods

From: jbeall at heraldic dot us Operating system: Windows 8 & Ubuntu Linux PHP version: 5.4.20 Package: Reflection related Bug Type: Bug Bug description:debug_backtrace missing 'file' & 'line' indices for reflection-invoked methods Description: ------------ When using the debug_backtrace function, the resulting array will be missing 'file' and 'line' indices for any stack frames that were invoked via reflection. The documentation for debug_backtrace does not indicate that stack frames for methods invoked via reflection will be missing any information. If this is not a bug, the documentation should have a clear warning that this behavior is intentional. Test script: --------------- class SampleClass { public function printBacktrace() { print_r(debug_backtrace()); } } $obj1 = new SampleClass(); echo "Invoked directly: "; $obj1->printBacktrace(); $rm = new ReflectionMethod($obj1,'printBacktrace'); echo "\n\nInvoked via reflection: "; $rm->invoke($obj1); Expected result: ---------------- The stack frame for SampleClass->printBacktrace should include file and line number information regardless of whether the method was invoked via reflection. Actual result: -------------- Stack frames for methods invoked via reflection are missing file and line number information. Here's the output of the sample script: Invoked directly: Array ( [0] => Array ( [file] => /home/lamplighter/.apps/http/__default__/0/llpdn/1.0-zdc/public/test.php [line] => 15 [function] => printBacktrace [class] => SampleClass [object] => SampleClass Object ( ) [type] => -> [args] => Array ( ) ) ) Invoked via reflection: Array ( [0] => Array ( [function] => printBacktrace [class] => SampleClass [object] => SampleClass Object ( ) [type] => -> [args] => Array ( ) ) [1] => Array ( [file] => /home/lamplighter/.apps/http/__default__/0/llpdn/1.0-zdc/public/test.php [line] => 20 [function] => invoke [class] => ReflectionMethod [object] => ReflectionMethod Object ( [name] => printBacktrace [class] => SampleClass ) [type] => -> [args] => Array ( [0] => SampleClass Object ( ) ) ) ) -- Edit bug report at https://bugs.php.net/bug.php?id=65871&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=65871&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=65871&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=65871&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=65871&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=65871&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=65871&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=65871&r=needscript Try newer version: https://bugs.php.net/fix.php?id=65871&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=65871&r=support Expected behavior: https://bugs.php.net/fix.php?id=65871&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=65871&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=65871&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=65871&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=65871&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=65871&r=dst IIS Stability: https://bugs.php.net/fix.php?id=65871&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=65871&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=65871&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=65871&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=65871&r=mysqlcfg