Best way to upgrade to PHP 5.3 or 5.4
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I have at least one client site that is still running PHP 5.2, but I’ve been seeing problems with other sites when their server upgraded to PHP 5.3+. In one case it was a Joomla site that went a bit crazy when the server did an automatic PHP update, so I’m concerned about what might happen with WordPress.
I think I should upgrade the sites under my care to a higher version of PHP but I really want to avoid spending the next week (or month!) trying to put the site(s) back together if they crash.
The one I’m most concerned about has a complex stack of plugins installed (I didn’t put it together, just maintaining it for the client), so I dread the thought of trying to piece it all back together if something goes wrong. The site is fully up to date with WordPress 3.9.1. She’s running 5.2 on her GoDaddy account but it seems I could upgrade her account to 5.3 or 5.4.
Will her WordPress site break if I do that? What’s the best way to do this with the least amount of hassle and damage control?
Thanks in advance for help with this.
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