wp_get_missing_image_subsizes()
Function: Compare the existing image sub-sizes (as saved in the attachment meta) to the currently registered image sub-sizes, and return the difference.
Source: wp-admin/includes/image.php:85
wp_get_missing_image_subsizes
Filter Hook: Filters the array of missing image sub-sizes for an uploaded image.
Source: wp-admin/includes/image.php:144
wp_update_image_subsizes()
Function: If any of the currently registered image sub-sizes are missing, create them and update the image meta data.
Source: wp-admin/includes/image.php:157
_wp_image_meta_replace_original()
Function: Updates the attached file and image meta data when the original image was edited.
Source: wp-admin/includes/image.php:202
wp_create_image_subsizes()
Function: Creates image sub-sizes, adds the new data to the image meta `sizes` array, and updates the image metadata.
Source: wp-admin/includes/image.php:236
big_image_size_threshold
Filter Hook: Filters the “BIG image” threshold value.
Source: wp-admin/includes/image.php:284
_wp_make_subsizes()
Function: Low-level function to create image sub-sizes.
Source: wp-admin/includes/image.php:395
file_is_displayable_image()
Function: Validates that file is suitable for displaying within a web page.
Source: wp-admin/includes/image.php:971
file_is_displayable_image
Filter Hook: Filters whether the current image is displayable in the browser.
Source: wp-admin/includes/image.php:991
load_image_to_edit()
Function: Loads an image resource for editing.
Source: wp-admin/includes/image.php:1006