PHP code works command line but cannot debug

Question

I'm working with PHP client code that includes a Symfony dom-crawler (added via composer). It works great when run from the command line; however, when debugging it will crash with the following error:

PHP Fatal error:  Uncaught Error: Class 'DOMDocument' not found in /home/jeff/newproject/vendor/symfony/dom-crawler/Crawler.php:189

I'm using PHP 7.1, Eclipse, Xdebug on Ubuntu. I'm experiencing the same issue with another dependency as well so I suspect it's Eclipse/Xdebug related.

Any ideas where to start looking?

Update: I ensured php-xml is the latest version:

$ sudo apt-get install php7.1-xml
Reading package lists... Done
Building dependency tree       
Reading state information... Done
php7.1-xml is already the newest version (7.1.13-1+ubuntu16.04.1+deb.sury.org+1).
0 upgraded, 0 newly installed, 0 to remove and 41 not upgraded.

Make sure that the xml extensions are installed/enabled, specifically php-xml . — aynber
– aynber, Commented Feb 5, 2018 at 16:14

zulus · Accepted Answer · 2018-02-10 17:52:44Z

2

On Linux (and OSX) make sure that on eclipse php configuration you checked "Use system default php.ini configuration". Without this files from /etc/php-version/conf.d/*.ini will not be loaded, so also XML will be not available.

answered Feb 10, 2018 at 17:52

zulus

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