PhpStorm debug issue

Question

I have the issue with the debugging application on local apache server with PhpStorm. After Apache is started the breakpoint is reached for the very first time, which is a good behavior and I can debug the part of code. However then I refresh the page in web browser and the breakpoint is not reached anymore, until I restart apache. Once apache is restarted I can reach the breakpoint - but just for the very first time.

Has anyone of you had such issue?

Please state your PhpStorm, PHP and Xdebug versions. Solution/workaround depends on what you have got there/what you can do. — LazyOne
– LazyOne, Commented Dec 14, 2020 at 15:33
PhpStorm 2020.3 PHP 7.2.20 (cli) (built: Jul 2 2019 13:01:33) ( ZTS MSVC15 (Visual C++ 2017) x64 ) Copyright (c) 1997-2018 The PHP Group Zend Engine v3.2.0, Copyright (c) 1998-2018 Zend Technologies with Xdebug v2.7.2, Copyright (c) 2002-2019, by Derick Rethans — zleek
– zleek, Commented Dec 14, 2020 at 15:50
As a hint: try to update your environment from time to time - XDebug 2.7.2 is more than a year old, PHP 7.2.20 is also pretty outdated, and there are always bugs fixed in later versions — Nico Haase
– Nico Haase, Commented Dec 14, 2020 at 16:15

LazyOne · Accepted Answer · 2020-12-23 11:45:38Z

PhpStorm 2020.3

PHP 7.2.20

Xdebug v2.7.2

This is a result of fixing WI-51991 in PhpStorm 2020.3 -- done on request from Xdebug author (Xdebug ticket #1756).

Sadly Xdebug 2.9.3 and older has a bug (ticket #1766) that turns off remote debugging for the remainder of the duration of this specific PHP process (that's why only first request works) -- fixed in Xdebug 2.9.4.

Solution:

Upgrade Xdebug to 2.9.6 or newer (latest versions are Xdebug 2.9.8 for 2.x branch and 3.0.1 for v3) -- it's confirmed working there by multiple people.

Looks like you are on Windows. In such case get the latest version here: https://xdebug.org/download (just get the right build, I believe you need "PHP 7.2 VC15 TS (64 bit)": v3.0.1 or 2.9.8)

Alt approach: keep using previous 2020.2.4 or wait for 2020.3.1 where some workaround will be implemented for Xdebug v2.x (WI-57577) -- 2020.3.1 Preview build is already available; final version should be released at some point later this month.

NOTES:

Comment by Derick Rethans (Xdebug author)
Xdebug 2.9 is no longer supported
If you decide to use Xdebug v3 (which you should; it's available for your PHP 7.2) -- it uses DIFFERENT config parameters, so please go through Upgrading from Xdebug 2 to 3 Guide and update (mostly rename) your Xdebug config.

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