Running PHP commands gives Xdebug errors

Question

I'm currently getting some weird error messages whenever I run which php or php --ini:

Cannot load Xdebug - it was already loaded
Cannot load Xdebug - it was already loaded
Failed loading /usr/local/Cellar/php/7.2.5/pecl/20170718/xdebug.so:  dlopen(/usr/local/Cellar/php/7.2.5/pecl/20170718/xdebug.so, 9): image not found
PHP 7.3.26 (cli) (built: Jan  5 2021 14:23:37) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.3.26, Copyright (c) 1998-2018 Zend Technologies
    with Xdebug v3.0.4, Copyright (c) 2002-2021, by Derick Rethans
    with Zend OPcache v7.3.26, Copyright (c) 1999-2018, by Zend Technologies

I currently have 4 php versions in my /usr/local/etc/php folders:

currently using php7.3 as my default php version. I'm planning to remove older php versions if that doesn't cause much trouble.

Can someone explain why such error is happening, and possible solutions to get rid of the error messages?

Derick · Accepted Answer · 2021-04-23 10:42:38Z

3

You are loading Xdebug multiple times, as the message says. It is possible that you are loading/using multiple ini files. You can check which ini files PHP loads by running:

php --ini

By going through them, you will see that there are multiple lines with zend_extension=xdebug.so (or variants thereof). You need to remove the duplicate ones.

answered Apr 23, 2021 at 10:42

Derick

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3 Comments

Will Kim Over a year ago

Searched xdebug.so like you've suggested, founded and removed them - works like a charm 👍🏼 Thank you for helping!

Will Kim Over a year ago

Also for

Failed loading /usr/local/Cellar/php/7.2.5/pecl/20170718/xdebug.so:  dlopen(/usr/local/Cellar/php/7.2.5/pecl/20170718/xdebug.so, 9): image not found PHP 7.3.26 (cli) (built: Jan  5 2021 14:23:37) ( NTS )

error, I discovered that zend_extension in xdebug.ini was pointing to incorrect version of xdebug. I've changed it to point to the correct version and the error was gone 🙂 Hope this helps for other people facing similar problem!

Datadimension Over a year ago

what was search command for Searched xdebug.so. I used php --ini and guessed xdebug file and commented out xdebug.so but not sure if this is correct or what xdebug.so does. Hopefully this worked as error went away

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