wp_checkdate()
Function: Tests if the supplied date is valid for the Gregorian calendar.
Source: wp-includes/functions.php:7200
Function: Tests if the supplied date is valid for the Gregorian calendar.
Source: wp-includes/functions.php:7200
Filter Hook: Filters whether the given date is valid for the Gregorian calendar.
Source: wp-includes/functions.php:7209
Function: Tests if a given path is a stream URL
Source: wp-includes/functions.php:7174
Function: Sends a JSON response back to an Ajax request.
Source: wp-includes/functions.php:4431
Function: Sends a JSON response back to an Ajax request, indicating success.
Source: wp-includes/functions.php:4478
Function: Sends a JSON response back to an Ajax request, indicating failure.
Source: wp-includes/functions.php:4505
Function: Retrieves the list of mime types and file extensions.
Source: wp-includes/functions.php:3360
Filter Hook: Filters the list of mime types and file extensions.
Source: wp-includes/functions.php:3372
Action Hook: Fires before an importer screen is loaded.
Source: wp-admin/admin.php:335
Function: Display JavaScript on the page.
Source: wp-admin/includes/deprecated.php:1511