is_child_theme()

Function: Whether a child theme is in use.

Source: wp-includes/theme.php:157

Used by 2 functions | Uses 0 functions

is_client_error()

Function:

Source: wp-includes/rss.php:703

Used by 0 functions | Uses 0 functions

Function: Is the query for a comments feed?

Source: wp-includes/query.php:433

Used by 0 functions | Uses 0 functions

Function: Determines whether the current URL is within the comments popup window.

Source: wp-includes/deprecated.php:3750

Used by 0 functions | Uses 0 functions

Function: Polyfill for is_countable() function added in PHP 7.3.

Source: wp-includes/compat.php:468

Used by 0 functions | Uses 0 functions

Function: Whether the site is being previewed in the Customizer.

Source: wp-includes/theme.php:3709

Used by 7 functions | Uses 0 functions

Function: Determines whether the query is for an existing date archive.

Source: wp-includes/query.php:361

Used by 2 functions | Uses 0 functions

Function: Determines whether the query is for an existing day archive.

Source: wp-includes/query.php:387

Used by 3 functions | Uses 0 functions

Function: Determines whether the dynamic sidebar is enabled and used by the theme.

Source: wp-includes/widgets.php:943

Used by 0 functions | Uses 0 functions

Function: Verifies that an email is valid.

Source: wp-includes/formatting.php:3510

Used by 0 functions | Uses 0 functions