file_is_valid_image()
Function: Validates that file is an image.
Source: wp-admin/includes/image.php:1014
file_is_displayable_image()
Function: Validates that file is suitable for displaying within a web page.
Source: wp-admin/includes/image.php:1027
load_image_to_edit()
Function: Loads an image resource for editing.
Source: wp-admin/includes/image.php:1062
_load_image_to_edit_path()
Function: Retrieves the path or URL of an attachment’s attached file.
Source: wp-admin/includes/image.php:1125
_copy_image_file()
Function: Copies an existing image file.
Source: wp-admin/includes/image.php:1188
WP_Site_Icon
Class: Core class used to implement site icon functionality.
Source: wp-admin/includes/class-wp-site-icon.php:16
Theme_Upgrader_Skin
Class: Theme Upgrader Skin for ClassicPress Theme Upgrades.
Source: wp-admin/includes/class-theme-upgrader-skin.php:18
wp_crop_image()
Function: Crops an image to a given size.
Source: wp-admin/includes/image.php:25
wp_generate_attachment_metadata()
Function: Generates attachment meta data and create image sub-sizes for images.
Source: wp-admin/includes/image.php:543
wp_exif_frac2dec()
Function: Converts a fraction string to a decimal.
Source: wp-admin/includes/image.php:725