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Request #75659 Ability to trigger breakpoint on variable modification
Submitted: 2017-12-09 17:21 UTC Modified: 2018-07-01 04:22 UTC
Votes:1
Avg. Score:5.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:1 (100.0%)
Same OS:1 (100.0%)
From: gadelat at gmail dot com Assigned: cmb (profile)
Status: No Feedback Package: phpdbg
PHP Version: 7.2.0 OS:
Private report: No CVE-ID: None
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 [2017-12-09 17:21 UTC] gadelat at gmail dot com 
Description:
------------
Seems there is currently no way to do this with PHP debuggers. Xdebug nor phpdbg nor Zend debuggers support this.

Xdebug issue regarding this was closed with resolution "won't fix", because "In PHP, this would mean watching a specific memory location, and that can not be done in a safe way.", see https://bugs.xdebug.org/view.php?id=514

If the quote is correct, this feature request is about implementing a way in PHP core which allows to implement this feature in debuggers easier.

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 [2018-06-23 14:46 UTC] cmb@php.net
-Status: Open +Status: Feedback -Assigned To: +Assigned To: cmb
 [2018-06-23 14:46 UTC] cmb@php.net 
Are you looking for watchpoints, which are available in phpdbg?

  $ phpdbg
  prompt> help watch
 [2018-07-01 04:22 UTC] php-bugs at lists dot php dot net 
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Re-Opened". Thank you.
 
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