wp_check_php_version()
Function: Checks if the user needs to update PHP.
Source: wp-admin/includes/misc.php:1591
Function: Checks if the user needs to update PHP.
Source: wp-admin/includes/misc.php:1591
Filter Hook: Filters whether the active PHP version is considered acceptable by ClassicPress.
Source: wp-admin/includes/misc.php:1639
Function: Gets the URL for directly updating the PHP version the site is running on.
Source: wp-includes/functions.php:8219
Filter Hook: Filters the URL for directly updating the PHP version the site is running on from the host.
Source: wp-includes/functions.php:8233
Function: Displays a button directly linking to a PHP update process.
Source: wp-includes/functions.php:8247