WordPress Functions Reference - Page 16 of 83

esc_attr()

apply_filters()

get_option()

is_lighttpd_before_150()

add_action()

did_action()

do_action_ref_array()

get_bloginfo()

is_admin()

site_url()

admin_url()

home_url()

includes_url()

wp_guess_url()

get_file()

$path

wp_crop_image()

Crops an image to a given size.

$src $src_x $src_y +6 more

wp_get_missing_image_subsizes()

Compare the existing image sub-sizes (as saved in the attachment meta)

$attachment_id

wp_update_image_subsizes()

If any of the currently registered image sub-sizes are missing,

$attachment_id

_wp_image_meta_replace_original()

Updates the attached file and image meta data when the original image was edited.

$saved_data $original_file $image_meta +1 more

wp_create_image_subsizes()

Creates image sub-sizes, adds the new data to the image meta `sizes` array, and updates the image metadata.

$file $attachment_id

_wp_make_subsizes()

Low-level function to create image sub-sizes.

$new_sizes $file $image_meta +1 more

wp_copy_parent_attachment_properties()

Copy parent attachment properties to newly cropped image.

$cropped $parent_attachment_id $context

wp_generate_attachment_metadata()

Generates attachment meta data and create image sub-sizes for images.

$attachment_id $file

wp_exif_frac2dec()

Converts a fraction string to a decimal.

$str

wp_exif_date2ts()

Converts the exif date format to a unix timestamp.

$str

wp_read_image_metadata()

Gets extended image metadata, exif or iptc as available.

$file

file_is_valid_image()

Validates that file is an image.

$path

file_is_displayable_image()

Validates that file is suitable for displaying within a web page.

$path

load_image_to_edit()

Loads an image resource for editing.

$attachment_id $mime_type $size

_load_image_to_edit_path()

Retrieves the path or URL of an attachment's attached file.

$attachment_id $size

_copy_image_file()

Copies an existing image file.

$attachment_id

tinymce_include()

documentation_link()

Unused Admin function.

wp_shrink_dimensions()

Calculates the new dimensions for a downsampled image.

$width $height $wmax +1 more

get_udims()

Calculated the new dimensions for a downsampled image.

$width $height

dropdown_categories()

Legacy function used to generate the categories checklist control.

$default_category $category_parent $popular_ids

dropdown_link_categories()

Legacy function used to generate a link categories checklist control.

$default_link_category

get_real_file_to_edit()

Get the real filesystem path to a file to edit within the admin.

$file

wp_dropdown_cats()

Legacy function used for generating a categories drop-down control.

$current_cat $current_parent $category_parent +2 more

add_option_update_handler()

Register a setting and its sanitization callback

$option_group $option_name $sanitize_callback

remove_option_update_handler()

Unregister a setting

$option_group $option_name $sanitize_callback

codepress_get_lang()

Determines the language to use for CodePress syntax highlighting.

$filename

codepress_footer_js()

Adds JavaScript required to make CodePress work on the theme/plugin file editors.

use_codepress()

Determine whether to use CodePress.

get_author_user_ids()

Get all user IDs.

get_editable_authors()

Gets author users who can edit posts.

$user_id

get_editable_user_ids()

Gets the IDs of any users who can edit posts.

$user_id $exclude_zeros $post_type

get_nonauthor_user_ids()

Gets all users who are not authors.

get_others_unpublished_posts()

Retrieves editable posts from other users.

$user_id $type

get_others_drafts()

Retrieve drafts from other users.

$user_id