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    copied!<p>First of all about your Model::save functions, for example:</p> <pre><code>public function save($data = NULL, $validate = true, $fieldList = array()) { $id = Post::find('first', array( 'fields' =&gt; array('id'), 'recursive' =&gt; -1, 'conditions' =&gt; array('external_post_id' =&gt; $data['external_post_id']) )); if( $id ) $data['id'] = $id['Post']['id']; pr($data); return parent::save($data, $validate, $fieldList); } </code></pre> <p>it prints $data in this way :</p> <pre><code>Array ( [id] =&gt; 3 //for example 3 [Post] =&gt; Array ( [external_post_id] =&gt; 12345 [sentiment_score] =&gt; 3.3 ) [URL] =&gt; Array ( [url] =&gt; http://test.com ) [Anchor] =&gt; Array ( [anchor] =&gt; Test Anchor ) ) </code></pre> <p>this $data is incorrect, the correct data is:</p> <pre><code> Array ( [Post] =&gt; Array ( [id] =&gt; 3 //for example 3 [external_post_id] =&gt; 12345 [sentiment_score] =&gt; 3.3 ) [URL] =&gt; Array ( [url] =&gt; http://test.com ) [Anchor] =&gt; Array ( [anchor] =&gt; Test Anchor ) ) </code></pre> <p>You must change your Model::save function this way:</p> <pre><code>public function save($data = NULL, $validate = true, $fieldList = array()) { $id = Post::find('first', array( 'fields' =&gt; array('id'), 'recursive' =&gt; -1, 'conditions' =&gt; array('external_post_id' =&gt; $data['external_post_id']) )); if( $id ) $data[$this-&gt;name]['id'] = $id['Post']['id']; return parent::save($data, $validate, $fieldList); } </code></pre> <p>second , you can't save this data with single save, you should save your data this way:</p> <pre><code>$postData = array ( 'Post' =&gt; array ( 'external_post_id' =&gt; 12345 'sentiment_score' =&gt; 3.3 ) ); $this-&gt;Post-&gt;save($data); $postUrlId = $this-&gt;PostsUrl-&gt;find('first', array( 'conditions' =&gt; array( 'post_id' =&gt; $this-&gt;Post-&gt;id ), 'fields' =&gt; array('id') )); $urlAnchorData = array( 'URL' =&gt; array ( 'url' =&gt; 'http://test.com' ), 'Anchor' =&gt; array ( 'anchor' =&gt; 'Test Anchor' ), 'PostsUrl' =&gt; array( 'id' =&gt; $postUrlId['PostsUrl']['id'] ) ); $this-&gt;PostsUrl-&gt;saveAll('$urlAnchorData'); </code></pre>
 

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