set_error($msg) Parameters: $msg (string) – Error message Return type: void Set an log an error message.

send_success() Return type: void Responses to a trackback request with a success message. Note This method will terminate script execution.

CI_Trackback::send_error()

send_error([$message = 'Incomplete information']) Parameters: $message (string) – Error message Return type: void Responses to a trackback request with an error message. Note This method will terminate script execution.

CI_Trackback::send()

send($tb_data) Parameters: $tb_data (array) – Trackback data Returns: TRUE on success, FALSE on failure Return type: bool Send trackback.

CI_Trackback::receive()

receive() Returns: TRUE on success, FALSE on failure Return type: bool This method simply validates the incoming TB data, returning TRUE on success and FALSE on failure. If the data is valid it is set to the $this->data array so that it can be inserted into a database.

CI_Trackback::process()

process($url, $data) Parameters: $url (string) – Target url $data (string) – Raw POST data Returns: TRUE on success, FALSE on failure Return type: bool Opens a socket connection and passes the data to the server, returning TRUE on success and FALSE on failure.

CI_Trackback::limit_characters()

limit_characters($str[, $n = 500[, $end_char = '…']]) Parameters: $str (string) – Input string $n (int) – Max characters number $end_char (string) – Character to put at end of string Returns: Shortened string Return type: string Limits the string based on the character count. Will preserve complete words.

CI_Trackback::get_id()

get_id($url) Parameters: $url (string) – Trackback URL Returns: URL ID or FALSE on failure Return type: string Find and return a trackback URL’s ID or FALSE on failure.

CI_Trackback::extract_urls()

extract_urls($urls) Parameters: $urls (string) – Comma-separated URL list Returns: Array of URLs Return type: array This method lets multiple trackbacks to be sent. It takes a string of URLs (separated by comma or space) and puts each URL into an array.

CI_Trackback::display_errors()

display_errors([$open = ' '[, $close = ' ']]) Parameters: $open (string) – Open tag $close (string) – Close tag Returns: HTML formatted error messages Return type: string Returns error messages formatted in HTML or an empty string if there are no errors.