wp_is_site_initialized()
Function: Checks whether a site is initialized.
Source: wp-includes/ms-site.php:907
wp_is_site_protected_by_basic_auth()
Function: Checks if this site is protected by HTTP Basic Auth.
Source: wp-includes/load.php:1822
wp_is_site_url_using_https()
Function: Checks whether the current site’s URL where WordPress is stored is using HTTPS.
Source: wp-includes/https-detection.php:51
wp_is_stream()
Function: Tests if a given path is a stream URL
Source: wp-includes/functions.php:7174
wp_is_using_https()
Function: Checks whether the website is using HTTPS.
Source: wp-includes/https-detection.php:20
wp_is_uuid()
Function: Validates that a UUID is valid.
Source: wp-includes/functions.php:7716
wp_is_writable()
Function: Determines if a directory is writable.
Source: wp-includes/functions.php:2235
wp_is_xml_request()
Function: Checks whether current request is an XML request, or is expecting an XML response.
Source: wp-includes/load.php:1779
wp_iso_descrambler()
Function: Converts to ASCII from email subjects.
Source: wp-includes/formatting.php:3599
wp_json_encode()
Function: Encodes a variable into JSON, with some sanity checks.
Source: wp-includes/functions.php:4288