Title: 5.1.1 | Developer.WordPress.org

---

# New and updated in 5.1.1

Functions

Hooks

Classes

Methods

 * function[wp_get_direct_php_update_url()](https://developer.wordpress.org/reference/functions/wp_get_direct_php_update_url/)
 * Gets the URL for directly updating the PHP version the site is running on.
 * Used by [1 function](https://developer.wordpress.org/reference/functions/wp_get_direct_php_update_url/#used-by)
   | Uses [1 function](https://developer.wordpress.org/reference/functions/wp_get_direct_php_update_url/#uses)
   | Source: [wp-includes/functions.php:8633](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/functions.php#L8633-L8650)
 * hook[wp_direct_php_update_url](https://developer.wordpress.org/reference/hooks/wp_direct_php_update_url/)
 * Filters the URL for directly updating the PHP version the site is running on 
   from the host.
 * Used by [1 function](https://developer.wordpress.org/reference/hooks/wp_direct_php_update_url/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wp_direct_php_update_url/#uses)
   | Source: [wp-includes/functions.php:8647](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/functions.php#L8647-L8647)
 * function[wp_direct_php_update_button()](https://developer.wordpress.org/reference/functions/wp_direct_php_update_button/)
 * Displays a button directly linking to a PHP update process.
 * Used by [1 function](https://developer.wordpress.org/reference/functions/wp_direct_php_update_button/#used-by)
   | Uses [3 functions](https://developer.wordpress.org/reference/functions/wp_direct_php_update_button/#uses)
   | Source: [wp-includes/functions.php:8661](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/functions.php#L8661-L8677)
 * hook[wp_is_php_version_acceptable](https://developer.wordpress.org/reference/hooks/wp_is_php_version_acceptable/)
 * Filters whether the active PHP version is considered acceptable by WordPress.
 * Used by [1 function](https://developer.wordpress.org/reference/hooks/wp_is_php_version_acceptable/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wp_is_php_version_acceptable/#uses)
   | Source: [wp-admin/includes/misc.php:1625](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/misc.php#L1625-L1625)
 * function[wp_check_php_version()](https://developer.wordpress.org/reference/functions/wp_check_php_version/)
 * Checks if the user needs to update PHP.
 * Used by [4 functions](https://developer.wordpress.org/reference/functions/wp_check_php_version/#used-by)
   | Uses [10 functions](https://developer.wordpress.org/reference/functions/wp_check_php_version/#uses)
   | Source: [wp-admin/includes/misc.php:1581](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/misc.php#L1581-L1639)