is_blog_installed()
Function: Determines whether WordPress is already installed.
Source: wp-includes/functions.php:1756
wp_get_nocache_headers()
Function: Gets the header information to prevent caching.
Source: wp-includes/functions.php:1488
nocache_headers()
Function: Sets the headers to prevent caching for the different browsers.
Source: wp-includes/functions.php:1521
add_magic_quotes()
Function: Walks the array while sanitizing the contents.
Source: wp-includes/functions.php:1277
wp_remote_fopen()
Function: HTTP request for URI to retrieve content.
Source: wp-includes/functions.php:1301
wp()
Function: Sets up the WordPress query.
Source: wp-includes/functions.php:1331
get_status_header_desc()
Function: Retrieves the description for the HTTP status.
Source: wp-includes/functions.php:1354
status_header()
Function: Sets HTTP status header.
Source: wp-includes/functions.php:1447
add_query_arg()
Function: Retrieves a modified URL query string.
Source: wp-includes/functions.php:1128
remove_query_arg()
Function: Removes an item or items from a query string.
Source: wp-includes/functions.php:1209