wp_check_filetype()
Function: Retrieves the file type from the file name.
Source: wp-includes/functions.php:3027
_default_wp_die_handler()
Function: Kills WordPress execution and displays HTML page with an error message.
Source: wp-includes/functions.php:3771
wp_check_filetype_and_ext()
Function: Attempts to determine the real file type of a file.
Source: wp-includes/functions.php:3071
_xmlrpc_wp_die_handler()
Function: Kills WordPress execution and displays XML response with an error message.
Source: wp-includes/functions.php:4097
getimagesize_mimes_to_exts
Filter Hook: Filters the list mapping image mime types to their respective extensions.
Source: wp-includes/functions.php:3100
wp_check_filetype_and_ext
Filter Hook: Filters the “real” file type of the given file.
Source: wp-includes/functions.php:3258
wp_get_image_mime()
Function: Returns the real mime type of an image file.
Source: wp-includes/functions.php:3273
wp_get_mime_types()
Function: Retrieves the list of mime types and file extensions.
Source: wp-includes/functions.php:3360
win_is_writable()
Function: Workaround for Windows bug in is_writable() function
Source: wp-includes/functions.php:2259
wp_get_upload_dir()
Function: Retrieves uploads directory information.
Source: wp-includes/functions.php:2297