Title: wp-admin/includes/image.php | Developer.WordPress.org --- # File: wp-admin/includes/image.php * function[wp_copy_parent_attachment_properties()](https://developer.wordpress.org/reference/functions/wp_copy_parent_attachment_properties/) * Copy parent attachment properties to newly cropped image. * Used by [3 functions](https://developer.wordpress.org/reference/functions/wp_copy_parent_attachment_properties/#used-by) | Uses [6 functions](https://developer.wordpress.org/reference/functions/wp_copy_parent_attachment_properties/#uses) | Source: [wp-admin/includes/image.php:522](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L522-L566) * function[_wp_make_subsizes()](https://developer.wordpress.org/reference/functions/_wp_make_subsizes/) * Low-level function to create image sub-sizes. * Used by [3 functions](https://developer.wordpress.org/reference/functions/_wp_make_subsizes/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/_wp_make_subsizes/#uses) | Source: [wp-admin/includes/image.php:430](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L430-L510) * function[wp_get_missing_image_subsizes()](https://developer.wordpress.org/reference/functions/wp_get_missing_image_subsizes/) * Compare the existing image sub-sizes (as saved in the attachment meta) to the currently registered image sub-sizes, and return the difference. * Used by [2 functions](https://developer.wordpress.org/reference/functions/wp_get_missing_image_subsizes/#used-by) | Uses [7 functions](https://developer.wordpress.org/reference/functions/wp_get_missing_image_subsizes/#uses) | Source: [wp-admin/includes/image.php:87](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L87-L147) * hook[wp_get_missing_image_subsizes](https://developer.wordpress.org/reference/hooks/wp_get_missing_image_subsizes/) * Filters the array of missing image sub-sizes for an uploaded image. * Used by [1 function](https://developer.wordpress.org/reference/hooks/wp_get_missing_image_subsizes/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wp_get_missing_image_subsizes/#uses) | Source: [wp-admin/includes/image.php:146](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L146-L146) * function[wp_update_image_subsizes()](https://developer.wordpress.org/reference/functions/wp_update_image_subsizes/) * If any of the currently registered image sub-sizes are missing, create them and update the image meta data. * Used by [2 functions](https://developer.wordpress.org/reference/functions/wp_update_image_subsizes/#used-by) | Uses [9 functions](https://developer.wordpress.org/reference/functions/wp_update_image_subsizes/#uses) | Source: [wp-admin/includes/image.php:159](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L159-L191) * function[_wp_image_meta_replace_original()](https://developer.wordpress.org/reference/functions/_wp_image_meta_replace_original/) * Updates the attached file and image meta data when the original image was edited. * Used by [1 function](https://developer.wordpress.org/reference/functions/_wp_image_meta_replace_original/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/_wp_image_meta_replace_original/#uses) | Source: [wp-admin/includes/image.php:206](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L206-L226) * function[wp_create_image_subsizes()](https://developer.wordpress.org/reference/functions/wp_create_image_subsizes/) * Creates image sub-sizes, adds the new data to the image meta `sizes` array, and updates the image metadata. * Used by [2 functions](https://developer.wordpress.org/reference/functions/wp_create_image_subsizes/#used-by) | Uses [12 functions](https://developer.wordpress.org/reference/functions/wp_create_image_subsizes/#uses) | Source: [wp-admin/includes/image.php:240](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L240-L413) * hook[big_image_size_threshold](https://developer.wordpress.org/reference/hooks/big_image_size_threshold/) * Filters the “BIG image” threshold value. * Used by [1 function](https://developer.wordpress.org/reference/hooks/big_image_size_threshold/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/big_image_size_threshold/#uses) | Source: [wp-admin/includes/image.php:285](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L285-L285) * hook[fallback_intermediate_image_sizes](https://developer.wordpress.org/reference/hooks/fallback_intermediate_image_sizes/) * Filters the image sizes generated for non-image mime types. * Used by [1 function](https://developer.wordpress.org/reference/hooks/fallback_intermediate_image_sizes/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/fallback_intermediate_image_sizes/#uses) | Source: [wp-admin/includes/image.php:686](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L686-L686) * function[_copy_image_file()](https://developer.wordpress.org/reference/functions/_copy_image_file/) * Copies an existing image file. * Used by [1 function](https://developer.wordpress.org/reference/functions/_copy_image_file/#used-by) | Uses [5 functions](https://developer.wordpress.org/reference/functions/_copy_image_file/#uses) | Source: [wp-admin/includes/image.php:1259](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L1259-L1285) * function[wp_exif_frac2dec()](https://developer.wordpress.org/reference/functions/wp_exif_frac2dec/) * Converts a fraction string to a decimal. * Used by [1 function](https://developer.wordpress.org/reference/functions/wp_exif_frac2dec/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/wp_exif_frac2dec/#uses) | Source: [wp-admin/includes/image.php:761](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L761-L792) * hook[load_image_to_edit_filesystempath](https://developer.wordpress.org/reference/hooks/load_image_to_edit_filesystempath/) * Filters the path to an attachment’s file when editing the image. * Used by [1 function](https://developer.wordpress.org/reference/hooks/load_image_to_edit_filesystempath/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/load_image_to_edit_filesystempath/#uses) | Source: [wp-admin/includes/image.php:1218](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L1218-L1218) * function[wp_exif_date2ts()](https://developer.wordpress.org/reference/functions/wp_exif_date2ts/) * Converts the exif date format to a unix timestamp. * Used by [1 function](https://developer.wordpress.org/reference/functions/wp_exif_date2ts/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/wp_exif_date2ts/#uses) | Source: [wp-admin/includes/image.php:802](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L802-L807) * hook[load_image_to_edit_attachmenturl](https://developer.wordpress.org/reference/hooks/load_image_to_edit_attachmenturl/) * Filters the path to an attachment’s URL when editing the image. * Used by [1 function](https://developer.wordpress.org/reference/hooks/load_image_to_edit_attachmenturl/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/load_image_to_edit_attachmenturl/#uses) | Source: [wp-admin/includes/image.php:1234](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L1234-L1234) * function[wp_read_image_metadata()](https://developer.wordpress.org/reference/functions/wp_read_image_metadata/) * Gets extended image metadata, exif or iptc as available. * Used by [4 functions](https://developer.wordpress.org/reference/functions/wp_read_image_metadata/#used-by) | Uses [8 functions](https://developer.wordpress.org/reference/functions/wp_read_image_metadata/#uses) | Source: [wp-admin/includes/image.php:825](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L825-L1075) * hook[load_image_to_edit_path](https://developer.wordpress.org/reference/hooks/load_image_to_edit_path/) * Filters the returned path or URL of the current image. * Used by [1 function](https://developer.wordpress.org/reference/hooks/load_image_to_edit_path/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/load_image_to_edit_path/#uses) | Source: [wp-admin/includes/image.php:1247](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L1247-L1247) * hook[wp_read_image_metadata_types](https://developer.wordpress.org/reference/hooks/wp_read_image_metadata_types/) * Filters the image types to check for exif data. * Used by [1 function](https://developer.wordpress.org/reference/hooks/wp_read_image_metadata_types/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wp_read_image_metadata_types/#uses) | Source: [wp-admin/includes/image.php:939](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L939-L939) * hook[wp_read_image_metadata](https://developer.wordpress.org/reference/hooks/wp_read_image_metadata/) * Filters the array of meta data read from an image’s exif data. * Used by [1 function](https://developer.wordpress.org/reference/hooks/wp_read_image_metadata/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wp_read_image_metadata/#uses) | Source: [wp-admin/includes/image.php:1074](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L1074-L1074) * function[file_is_valid_image()](https://developer.wordpress.org/reference/functions/file_is_valid_image/) * Validates that file is an image. * Used by [0 functions](https://developer.wordpress.org/reference/functions/file_is_valid_image/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/file_is_valid_image/#uses) | Source: [wp-admin/includes/image.php:1085](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L1085-L1088) * function[file_is_displayable_image()](https://developer.wordpress.org/reference/functions/file_is_displayable_image/) * Validates that file is suitable for displaying within a web page. * Used by [1 function](https://developer.wordpress.org/reference/functions/file_is_displayable_image/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/file_is_displayable_image/#uses) | Source: [wp-admin/includes/image.php:1098](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L1098-L1119) * function[wp_generate_attachment_metadata()](https://developer.wordpress.org/reference/functions/wp_generate_attachment_metadata/) * Generates attachment meta data and create image sub-sizes for images. * Used by [13 functions](https://developer.wordpress.org/reference/functions/wp_generate_attachment_metadata/#used-by) | Uses [24 functions](https://developer.wordpress.org/reference/functions/wp_generate_attachment_metadata/#uses) | Source: [wp-admin/includes/image.php:579](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L579-L751) * hook[file_is_displayable_image](https://developer.wordpress.org/reference/hooks/file_is_displayable_image/) * Filters whether the current image is displayable in the browser. * Used by [1 function](https://developer.wordpress.org/reference/hooks/file_is_displayable_image/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/file_is_displayable_image/#uses) | Source: [wp-admin/includes/image.php:1118](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L1118-L1118) * hook[intermediate_image_sizes_advanced](https://developer.wordpress.org/reference/hooks/intermediate_image_sizes_advanced/) * Filters the image sizes automatically generated when uploading an image. * Used by [1 function](https://developer.wordpress.org/reference/hooks/intermediate_image_sizes_advanced/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/intermediate_image_sizes_advanced/#uses) | Source: [wp-admin/includes/image.php:410](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L410-L410) * function[load_image_to_edit()](https://developer.wordpress.org/reference/functions/load_image_to_edit/) * Loads an image resource for editing. * Used by [0 functions](https://developer.wordpress.org/reference/functions/load_image_to_edit/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/load_image_to_edit/#uses) | Source: [wp-admin/includes/image.php:1133](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L1133-L1180) * hook[attachment_thumbnail_args](https://developer.wordpress.org/reference/hooks/attachment_thumbnail_args/) * Filters the parameters for the attachment thumbnail creation. * Used by [1 function](https://developer.wordpress.org/reference/hooks/attachment_thumbnail_args/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/attachment_thumbnail_args/#uses) | Source: [wp-admin/includes/image.php:660](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L660-L660) * hook[load_image_to_edit](https://developer.wordpress.org/reference/hooks/load_image_to_edit/) * Filters the current image being loaded for editing. * Used by [1 function](https://developer.wordpress.org/reference/hooks/load_image_to_edit/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/load_image_to_edit/#uses) | Source: [wp-admin/includes/image.php:1171](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L1171-L1171) * hook[wp_generate_attachment_metadata](https://developer.wordpress.org/reference/hooks/wp_generate_attachment_metadata/) * Filters the generated attachment meta data. * Used by [2 functions](https://developer.wordpress.org/reference/hooks/wp_generate_attachment_metadata/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wp_generate_attachment_metadata/#uses) | Source: [wp-admin/includes/image.php:750](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L750-L750) * function[_load_image_to_edit_path()](https://developer.wordpress.org/reference/functions/_load_image_to_edit_path/) * Retrieves the path or URL of an attachment’s attached file. * Used by [6 functions](https://developer.wordpress.org/reference/functions/_load_image_to_edit_path/#used-by) | Uses [5 functions](https://developer.wordpress.org/reference/functions/_load_image_to_edit_path/#uses) | Source: [wp-admin/includes/image.php:1196](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L1196-L1248) * function[wp_crop_image()](https://developer.wordpress.org/reference/functions/wp_crop_image/) * Crops an image to a given size. * Used by [4 functions](https://developer.wordpress.org/reference/functions/wp_crop_image/#used-by) | Uses [7 functions](https://developer.wordpress.org/reference/functions/wp_crop_image/#uses) | Source: [wp-admin/includes/image.php:25](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/image.php#L25-L73)