0000606: evaluate a $this->... expression when $this is not accesible crash xdebug

ID	Project	Category	View Status	Date Submitted	Last Update
0000606	Xdebug		public	2010-08-11 11:52	2011-08-13 15:18

Reporter	degoo	Assigned To
Priority	normal	Severity	crash	Reproducibility	always
Status	closed	Resolution	fixed
Product Version	2.1.0

Summary	0000606: evaluate a $this->... expression when $this is not accesible crash xdebug
Description	<?php class my_class { public $legolas; } $a = new my_class(); $a->legolas = 5; <--------- when code is here, if i send an eval command with '$this->legolas', xdebug crash. When $this is defined, no problema at all.
Additional Information	seems if $this is undefined, if a eval command is sent, xdebug crash
Tags	No tags attached.

Operating System
PHP Version	5.3.3

derick 2010-08-13 08:27 administrator ~0001557	Please provide: the output of your remote debug log: http://xdebug.org/docs/remote#remote_log a gdb backtrace of the crash: http://bugs.php.net/bugs-generating-backtrace.php (Under "If you can't get a core file")

nnmatveev 2011-04-29 16:31 reporter ~0001730	<?php echo isset($this);//breakpoint here echo isset($this); echo isset($this); try to evaluate expression "$this->property" while staying on breakpoint - it will cause crash. Attempt to access property of any other undefined variable doesn't cause crash(for example $a->property). Related issue from PhpStorm tracker - http://youtrack.jetbrains.net/issue/WI-5525

derick 2011-08-03 22:49 administrator ~0001770	I've found an ugly way for this, could you please try the following patch: http://derickrethans.nl/files/dump/xdebug-issue606.diff.txt

derick 2011-08-13 15:18 administrator ~0001775	Fixed for 2.1.3 and 2.2dev.