_canonical_charset()

Function: Retrieve a canonical form of the provided charset appropriate for passing to PHP functions such as htmlspecialchars() and charset HTML attributes.

Source: wp-includes/functions.php:7054

Used by 1 function | Uses 0 functions

wp_checkdate

Filter Hook: Filters whether the given date is valid for the Gregorian calendar.

Source: wp-includes/functions.php:6903

Used by 1 function | Uses 0 functions