_wp_get_attachment_relative_path()
Function: Get the attachment path relative to the upload directory.
Source: wp-includes/media.php:956
_wp_get_image_size_from_meta()
Function: Get the image size as array from its meta data.
Source: wp-includes/media.php:985
wp_constrain_dimensions()
Function: Calculates the new dimensions for a down-sampled image.
Source: wp-includes/media.php:414
image_downsize()
Function: Scale an image to fit a particular size (such as ‘thumb’ or ‘medium’).
Source: wp-includes/media.php:185
add_image_size()
Function: Register a new image size.
Source: wp-includes/media.php:277
has_image_size()
Function: Check if an image size exists.
Source: wp-includes/media.php:295
remove_image_size()
Function: Remove a new image size.
Source: wp-includes/media.php:310
set_post_thumbnail_size()
Function: Registers an image size for the post thumbnail.
Source: wp-includes/media.php:333
get_image_tag()
Function: Gets an img tag for an image attachment, scaling it down if requested.
Source: wp-includes/media.php:360
WP_Styles
Class: Core class used to register styles.
Source: wp-includes/class-wp-styles.php:18