add_action()
Function: Adds a callback function to an action hook.
Source: wp-includes/plugin.php:441
Function: Adds a callback function to an action hook.
Source: wp-includes/plugin.php:441
Function: Adds an array of options to the list of allowed options.
Source: wp-admin/includes/plugin.php:2228
Function: Adds a new option for a given blog ID.
Source: wp-includes/ms-blogs.php:403
Function: Adds an index to a specified table.
Source: wp-admin/includes/upgrade.php:2575
Function: Adds meta data field to a comment.
Source: wp-includes/comment.php:439
Function: Adds a submenu page to the Comments main menu.
Source: wp-admin/includes/plugin.php:1770
Function: Add contextual help text for a page.
Source: wp-admin/includes/deprecated.php:996
Function: Adds a CSS class to a string.
Source: wp-admin/includes/menu.php:198
Function: Add callbacks for background image display.
Source: wp-includes/deprecated.php:3031
Function: Add callbacks for image header display.
Source: wp-includes/deprecated.php:2995