diff options
Diffstat (limited to 'user_guide_src/source/libraries/trackback.rst')
| -rw-r--r-- | user_guide_src/source/libraries/trackback.rst | 72 |
1 files changed, 62 insertions, 10 deletions
diff --git a/user_guide_src/source/libraries/trackback.rst b/user_guide_src/source/libraries/trackback.rst index 6b332783e..07b2b2177 100644 --- a/user_guide_src/source/libraries/trackback.rst +++ b/user_guide_src/source/libraries/trackback.rst @@ -25,7 +25,25 @@ Sending Trackbacks A Trackback can be sent from any of your controller functions using code similar to this example:: - $this->load->library('trackback'); $tb_data = array( 'ping_url' => 'http://example.com/trackback/456', 'url' => 'http://www.my-example.com/blog/entry/123', 'title' => 'The Title of My Entry', 'excerpt' => 'The entry content.', 'blog_name' => 'My Blog Name', 'charset' => 'utf-8' ); if ( ! $this->trackback->send($tb_data)) { echo $this->trackback->display_errors(); } else { echo 'Trackback was sent!'; } + $this->load->library('trackback'); + + $tb_data = array( + 'ping_url' => 'http://example.com/trackback/456', + 'url' => 'http://www.my-example.com/blog/entry/123', + 'title' => 'The Title of My Entry', + 'excerpt' => 'The entry content.', + 'blog_name' => 'My Blog Name', + 'charset' => 'utf-8' + ); + + if ( ! $this->trackback->send($tb_data)) + { + echo $this->trackback->display_errors(); + } + else + { + echo 'Trackback was sent!'; + } Description of array data: @@ -86,14 +104,21 @@ Creating a Trackback Table ========================== Before you can receive Trackbacks you must create a table in which to -store them. Here is a basic prototype for such a table: - -CREATE TABLE trackbacks ( tb_id int(10) unsigned NOT NULL -auto_increment, entry_id int(10) unsigned NOT NULL default 0, url -varchar(200) NOT NULL, title varchar(100) NOT NULL, excerpt text NOT -NULL, blog_name varchar(100) NOT NULL, tb_date int(10) NOT NULL, -ip_address varchar(16) NOT NULL, PRIMARY KEY \`tb_id\` (\`tb_id\`), -KEY \`entry_id\` (\`entry_id\`) ); +store them. Here is a basic prototype for such a table:: + + CREATE TABLE trackbacks ( + tb_id int(10) unsigned NOT NULL auto_increment, + entry_id int(10) unsigned NOT NULL default 0, + url varchar(200) NOT NULL, + title varchar(100) NOT NULL, + excerpt text NOT NULL, + blog_name varchar(100) NOT NULL, + tb_date int(10) NOT NULL, + ip_address varchar(16) NOT NULL, + PRIMARY KEY `tb_id` (`tb_id`), + KEY `entry_id` (`entry_id`) + ); + The Trackback specification only requires four pieces of information to be sent in a Trackback (url, title, excerpt, blog_name), but to make the data more useful we've added a few more fields in the above table @@ -108,7 +133,34 @@ where you expect to receive Trackbacks. :: - $this->load->library('trackback'); $this->load->database(); if ($this->uri->segment(3) == FALSE) { $this->trackback->send_error("Unable to determine the entry ID"); } if ( ! $this->trackback->receive()) { $this->trackback->send_error("The Trackback did not contain valid data"); } $data = array( 'tb_id' => '', 'entry_id' => $this->uri->segment(3), 'url' => $this->trackback->data('url'), 'title' => $this->trackback->data('title'), 'excerpt' => $this->trackback->data('excerpt'), 'blog_name' => $this->trackback->data('blog_name'), 'tb_date' => time(), 'ip_address' => $this->input->ip_address() ); $sql = $this->db->insert_string('trackbacks', $data); $this->db->query($sql); $this->trackback->send_success(); + $this->load->library('trackback'); + $this->load->database(); + + if ($this->uri->segment(3) == FALSE) + { + $this->trackback->send_error("Unable to determine the entry ID"); + } + + if ( ! $this->trackback->receive()) + { + $this->trackback->send_error("The Trackback did not contain valid data"); + } + + $data = array( + 'tb_id' => '', + 'entry_id' => $this->uri->segment(3), + 'url' => $this->trackback->data('url'), + 'title' => $this->trackback->data('title'), + 'excerpt' => $this->trackback->data('excerpt'), + 'blog_name' => $this->trackback->data('blog_name'), + 'tb_date' => time(), + 'ip_address' => $this->input->ip_address() + ); + + $sql = $this->db->insert_string('trackbacks', $data); + $this->db->query($sql); + + $this->trackback->send_success(); Notes: ^^^^^^ |