Switching PHP versions

PHP 7.4 through 8.4 available. Per-domain selection, no config file edits needed.

Change version

1. cPanel → Software → Select PHP Version.
2. Top-right dropdown: pick the version (8.3 recommended for most stacks).
3. Click Set as current.

Enable extensions

Same page, Extensions tab. Check boxes for curl, mbstring, openssl, pdo_mysql, bcmath, intl, gd, zip. Click Save.

Tweak php.ini

Options tab. Common overrides: memory_limit=512M, max_execution_time=120, upload_max_filesize=64M, post_max_size=64M.