|What should I check when upgrading PHP?|
Make sure your scripts workPHP is constantly being developed, and in newer versions functions can become deprecated. Check your scripts and make sure they work as you intend them to after upgrading.
Check the details about what changes in each versionFor information on the differences between the PHP versions, please see these pages:
Do you get error messages?Do you get PHP messages starting with "Notice" and "Warning", but your site works fine despite these messages? You can solve the problem by disabling PHP error messages.
The error messages mean that your script will still work in this version, but that it will stop working in newer PHP versions. So it's a way of warning you that you will need to update your script eventually.
Missing content or seeing blank pages?If your site is missing content, or it only shows a blank page, please enable PHP error messages. Within 20 minutes an error describing the problem should be displayed on your site.
Update your CMS system to the latest versionIf you have WordPress, Joomla or another CMS system installed on your web space, please make sure to update them to the latest version.
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