Add data for error code.
WP_Error::add
Add an error or append additional message to an existing error.
WP_Error::get_error_data
Retrieve error data for error code.
WP_Error::get_error_message
Get single error message.
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WP_Error::get_error_messages
Retrieve all error messages or error messages matching code.
WP_Error::get_error_code
Retrieve first error code available.
WP_Error::get_error_codes
Retrieve all error codes.
WP_Error::__construct
Initialize the error.
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mce_css
Filters the comma-delimited list of stylesheets to load in TinyMCE.
the_editor
Filters the HTML markup output that displays the editor.
the_editor_content
Filters the default editor content.
WP_Ajax_Response::send
Display XML formatted responses.
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WP_Ajax_Response::add
Appends data to an XML response based on given arguments.
WP_Ajax_Response::__construct
Constructor – Passes args to WP_Ajax_Response::add().
Walker_Page::end_el
Outputs the end of the current element in the tree.