Contact person: Business Client

Phone:Show

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Location: Helsinki, Finland

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"Our client's WordPress site runs fine on PHP 8.1, but the moment I switch the server to 8.2 (or anything newer) the front-end and wp-admin both turn into a blank white screen. Core, theme, and every plugin are on their latest public versions, and site is not using any custom PHP snippets or bespoke plugins—everything is standard marketplace code.

I need a WordPress/PHP troubleshooter who can:

• Reproduce the issue on PHP 8.2+ and trace the fatal errors triggering the white screen (WP_DEBUG, server error logs, WP-CLI—whatever gets us clarity).
• Patch or suggest replacements for whatever theme or plugin functions aren’t yet 8.2-compliant, keeping existing styling and functionality intact.
• Leave me a short report of what was changed so future updates don’t break things again.

Access to client's hosting dashboard is protected, but I got entry already. It is not cPanel but some another on with minimal settings (I can provide the screenshot). Is there any way to fix it together?

I would like to deal with someone who can give estimate based on experience, and not requesting "what is your budget". Lets see how could this be fixed." (client-provided description)