How to fix PHP Fatal error: Class’DOMDocument’ not found in

Question: How to fix PHP Fatalerror: Class ‘DOMDocument’ not found in/var/www/html/index.php on line 171 or similar error?

NOTE: Received this error on a Centos5 environment while trying to run a PHPscript that makes use of the DOMDocument class

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Answer:

In the CLI (CommandLine Interface) run the following command

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This will install XML support and will solve theDOMDocument issue