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[fixed] debugger has stopped evaluating $this


Joined: 09 Aug 2006
Posts: 23
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debugger has stopped evaluating $this

to test this I can add a line in a class method that reads

$a = $this->stockType

break after that line and evaluate $a using the immediate window and I get..

$a
: string = Tube

which is correct but when using the $this keyword in the immediate window I get..

$this->stockType
: Error -- Error: E_ERROR (Using $this when not in object context)

it's

PHP Version: 5.1.6
Web Server: Apache/2.2.3 (Red Hat)
Platform: Linux-glibc-2.5/x86_64

with most up to date versions of PhpEd (17027, 64 bit)
DBG (PHP DEBUGGER) Version 8.1.6

thanks
Mike
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Joined: 13 Jul 2003
Posts: 7835
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First of all, dbg 8.1.6 is outdated. You need to update it. Then check what you have in Watches window. Statements like unset($this) or $this=NULL would definitely make render $this undefined. Check if you have conditional breakpoints with similar things. Try to cleanup Watches and Breakpoints, and reproduce with very very simple script.

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Joined: 09 Aug 2006
Posts: 23
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Hi dmitri,

thanks for the response - I've updated the debugger to 8.1.9 now, cleared all breakpoints, watches etc and tested with a very simple script to demonstrate the problem.

screenshot here.
http://bluesock.co/test.png

any help appreciated.

cheers
Mike
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Joined: 13 Jul 2003
Posts: 7835
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Your code works fine in PhpED:

It's hard to guess what should be done to screw up php so it wouldn't work.
Can you show phpinfo()?

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Joined: 24 Jul 2009
Posts: 704
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I'd also suggest using a different version of PHP. Version 5.1.6 is way too old and was end of life in Aug-2006.

I have myself seen strange debugger issues that were specific to PHP versions. Not saying that's the case, but worth a try.
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Switching to higher version may help, but php-5.1.6 is still supported as well as all php versions starting with 4.3, with a very few minor exceptions, like completely broken php-5.2.0 (required minimum is 5.2.3) or php-5.0.0 (required minimum is 5.0.5). Php-5.1.6 under redhat linux should work and I'll check this. Stay tuned.

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problem is reproduced and fixed in dbg-8.1.11. Update is on its way to web site.

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[fixed] debugger has stopped evaluating $this
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