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I've installed Xdebug and setup by this instruction:

Install Xdebug PHP:

sudo apt-get update -y
sudo apt-get install -y php7.4-xdebug

Find xdebug.so, then add the first one to php.ini:

sudo updatedb
locate xdebug.so

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locate php.ini

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Config php.ini:

sudo gedit /etc/php/7.4/apache2/php.ini

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Then restart Apache web server:

sudo service apache2 restart

PhpStorm settings and code:

enter image description here enter image description here

Result and Xdebug Chrome extension enabled:

enter image description here

Did I miss anything? This setting works fine for me in PHP 7.2 and bellow but now on PHP 7.4 and it's not working any more.

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For PHP 7.4 you need xdebug.so with 20190902 in the path.

You can check that from phpinfo() output: and you will see the PHP API version there, at the very top:

PHP 7.4:

...
PHP API => 20190902
PHP Extension => 20190902
Zend Extension => 320190902
...

PHP 7.2:

...
PHP API => 20170718
PHP Extension => 20170718
Zend Extension => 320170718
...

Your 20131226 is for PHP 5.6.

You have to use extensions that were compiled to use the same API version.

So double check phpinfo() output: you need to confirm that right API version is used + that Xdebug is actually loaded and enabled (use xdebug_info() for Xdebug v3; for Xdebug v2 you will have to check dedicated Xdebug section from phpinfo() output).

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3 Comments

FWIW, You can probably do without specifying the path, and just do zend_extension=xdebug.so. I think that works since PHP 5.3.
@LazyOne You answer are correct, i didn't know that we need to search for PHP API in phpinfo() and get that version for xdebug.so. I thought it must be the first one i found in locate xdebug.so. Thanks you.
@Derick you are right too, i've try the zend_extension="xdebug.so" and it's work as well.

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