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Alex Stelmakh
Asked: 2021-02-26 01:20:02 +0800 CST

Unable to install XDebug extension for PHP 8. Ubuntu 20.04.2

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I entered the output of phpinfo() func on xDebug wizard webpage and then followed all the steps as described in output. Everything looked fine. No errors. The only concern about suggested actions is that it tells - "Make sure that - zend_extension = /usr/lib/php/20200930/xdebug.so is below the line for OPcache." But my php.ini file only contain a string : ;zend_extension=opcache. And this string is commented out. All strings that mention OPcache in my php.ini are commented out as well with semicolon marks. I don't know how to describe my problem more clearly. Thanks in advance.

apache2

1 Answers

  1. Best Answer

    A bit late to answer, I know! But in case you’ve landed here …

    sudo apt install php8.0-xdebug will put the zend_extension location for you in /etc/php/8.0/apache2/conf.d/20-xdebug.ini or something similar depending on whether you’re using Apache FPM or whatever.

    But take a look at whichever /conf.d/20-xdebug.ini files exists in /etc/php/8.0/

    Then you can edit that file and restart Apache, FPM as appropriate.

    It’ll be Xdebug 3, so be sure to read the Updrade 2-> 3 Guide and the Xdebug docs as you edit the .ini file as many previous helpful posts will be outdated now.

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