wp_make_content_images_responsive()
Function: Filters ‘img’ elements in post content to add ‘srcset’ and ‘sizes’ attributes.
Source: wp-includes/deprecated.php:4001
wp_image_add_srcset_and_sizes()
Function: Adds ‘srcset’ and ‘sizes’ attributes to an existing ‘img’ element.
Source: wp-includes/media.php:1365
img_caption_shortcode()
Function: Builds the Caption shortcode output.
Source: wp-includes/media.php:1512
wp_get_attachment_image_url()
Function: Get the URL of an image attachment.
Source: wp-includes/media.php:942
_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
image_resize_dimensions()
Function: Retrieves calculated resize dimensions for use in WP_Image_Editor.
Source: wp-includes/media.php:499
image_make_intermediate_size()
Function: Resizes an image to make a thumbnail or intermediate size.
Source: wp-includes/media.php:605
wp_image_matches_ratio()
Function: Helper function to test if aspect ratios for two images match.
Source: wp-includes/media.php:633
image_get_intermediate_size()
Function: Retrieves the image’s intermediate size (resized) path, width, and height.
Source: wp-includes/media.php:688