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110 lines
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<h1 align="center">Source for file Expression.php</h1>
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<p>Documentation is available at <a href="../Doctrine/_Doctrine---Expression.php.html">Expression.php</a></p>
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<div class="src-code"><span class="php">
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<ol><li><div class="src-line"><a name="a1"></a><span class="src-php"><?php</span></div></li>
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<li><div class="src-line"><a name="a2"></a><span class="src-comm">/*</span></div></li>
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<li><div class="src-line"><a name="a3"></a><span class="src-comm"> * $Id: Expression.php 2283 2007-08-28 19:51:06Z jackbravo $</span></div></li>
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<li><div class="src-line"><a name="a4"></a><span class="src-comm"> *</span></div></li>
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<li><div class="src-line"><a name="a5"></a><span class="src-comm"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span></div></li>
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<li><div class="src-line"><a name="a6"></a><span class="src-comm"> * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span></div></li>
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<li><div class="src-line"><a name="a7"></a><span class="src-comm"> * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR</span></div></li>
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<li><div class="src-line"><a name="a8"></a><span class="src-comm"> * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT</span></div></li>
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<li><div class="src-line"><a name="a9"></a><span class="src-comm"> * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span></div></li>
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<li><div class="src-line"><a name="a10"></a><span class="src-comm"> * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT</span></div></li>
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<li><div class="src-line"><a name="a11"></a><span class="src-comm"> * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,</span></div></li>
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<li><div class="src-line"><a name="a12"></a><span class="src-comm"> * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY</span></div></li>
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<li><div class="src-line"><a name="a13"></a><span class="src-comm"> * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span></div></li>
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<li><div class="src-line"><a name="a14"></a><span class="src-comm"> * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</span></div></li>
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<li><div class="src-line"><a name="a15"></a><span class="src-comm"> * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div></li>
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<li><div class="src-line"><a name="a16"></a><span class="src-comm"> *</span></div></li>
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<li><div class="src-line"><a name="a17"></a><span class="src-comm"> * This software consists of voluntary contributions made by many individuals</span></div></li>
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<li><div class="src-line"><a name="a18"></a><span class="src-comm"> * and is licensed under the LGPL. For more information, see</span></div></li>
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<li><div class="src-line"><a name="a19"></a><span class="src-comm"> * <http://www.phpdoctrine.com>.</span></div></li>
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<li><div class="src-line"><a name="a20"></a><span class="src-comm"> */</span></div></li>
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<li><div class="src-line"><a name="a21"></a><span class="src-id"><a href="../Doctrine/Doctrine.html">Doctrine</a></span><span class="src-sym">::</span><a href="../Doctrine/Doctrine.html#methodautoload">autoload</a><span class="src-sym">(</span><span class="src-str">'Doctrine_Connection_Module'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a22"></a><span class="src-doc">/**</span></div></li>
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<li><div class="src-line"><a name="a23"></a><span class="src-doc"> * Doctrine_Expression</span></div></li>
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<li><div class="src-line"><a name="a24"></a><span class="src-doc"> *</span></div></li>
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<li><div class="src-line"><a name="a25"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@package</span><span class="src-doc"> Doctrine</span></div></li>
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<li><div class="src-line"><a name="a26"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@license</span><span class="src-doc"> http://www.opensource.org/licenses/lgpl-license.php LGPL</span></div></li>
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<li><div class="src-line"><a name="a27"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@category</span><span class="src-doc"> Object Relational Mapping</span></div></li>
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<li><div class="src-line"><a name="a28"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@link</span><span class="src-doc"> www.phpdoctrine.com</span></div></li>
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<li><div class="src-line"><a name="a29"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@since</span><span class="src-doc"> 1.0</span></div></li>
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<li><div class="src-line"><a name="a30"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@version</span><span class="src-doc"> $Revision: 2283 $</span></div></li>
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<li><div class="src-line"><a name="a31"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@author</span><span class="src-doc"> Konsta Vesterinen <kvesteri@cc.hut.fi></span></div></li>
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<li><div class="src-line"><a name="a32"></a><span class="src-doc"> */</span></div></li>
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<li><div class="src-line"><a name="a33"></a><span class="src-key">class </span><a href="../Doctrine/Doctrine_Expression.html">Doctrine_Expression</a></div></li>
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<li><div class="src-line"><a name="a34"></a><span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a35"></a> <span class="src-key">protected </span><a href="../Doctrine/Doctrine_Expression.html#var$_expression">$_expression</a><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a36"></a> </div></li>
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<li><div class="src-line"><a name="a37"></a> <span class="src-key">protected </span><a href="../Doctrine/Doctrine_Expression.html#var$_conn">$_conn</a><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a38"></a> </div></li>
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<li><div class="src-line"><a name="a39"></a> <span class="src-key">public </span><span class="src-key">function </span><a href="../Doctrine/Doctrine_Expression.html#method__construct">__construct</a><span class="src-sym">(</span><span class="src-var">$expr</span><span class="src-sym">, </span><span class="src-var">$conn </span>= <span class="src-id">null</span><span class="src-sym">)</span></div></li>
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<li><div class="src-line"><a name="a40"></a> <span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a41"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../Doctrine/Doctrine_Expression.html#methodsetExpression">setExpression</a><span class="src-sym">(</span><span class="src-var">$expr</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a42"></a> </div></li>
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<li><div class="src-line"><a name="a43"></a> <span class="src-key">if </span><span class="src-sym">(</span><span class="src-var">$conn </span>!== <span class="src-id">null</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a44"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../Doctrine/Doctrine_Expression.html#var$_conn">_conn</a> = <span class="src-var">$conn</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a45"></a> <span class="src-sym">}</span></div></li>
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<li><div class="src-line"><a name="a46"></a> <span class="src-sym">}</span></div></li>
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<li><div class="src-line"><a name="a47"></a> </div></li>
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<li><div class="src-line"><a name="a48"></a> <span class="src-key">public </span><span class="src-key">function </span><a href="../Doctrine/Doctrine_Expression.html#methodgetConnection">getConnection</a><span class="src-sym">(</span><span class="src-sym">)</span></div></li>
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<li><div class="src-line"><a name="a49"></a> <span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a50"></a> <span class="src-key">if </span><span class="src-sym">( </span><span class="src-sym">! </span>isset<span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-></span><a href="../Doctrine/Doctrine_Expression.html#var$_conn">_conn</a><span class="src-sym">)) </span><span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a51"></a> <span class="src-key">return </span><span class="src-id"><a href="../Doctrine/Doctrine_Manager.html">Doctrine_Manager</a></span><span class="src-sym">::</span><a href="../Doctrine/Doctrine_Manager.html#methodconnection">connection</a><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a52"></a> <span class="src-sym">}</span></div></li>
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<li><div class="src-line"><a name="a53"></a> </div></li>
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<li><div class="src-line"><a name="a54"></a> <span class="src-key">return </span><span class="src-var">$this</span><span class="src-sym">-></span><a href="../Doctrine/Doctrine_Expression.html#var$_conn">_conn</a><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a55"></a> <span class="src-sym">}</span></div></li>
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<li><div class="src-line"><a name="a56"></a> </div></li>
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<li><div class="src-line"><a name="a57"></a> <span class="src-key">public </span><span class="src-key">function </span><a href="../Doctrine/Doctrine_Expression.html#methodsetExpression">setExpression</a><span class="src-sym">(</span><span class="src-var">$clause</span><span class="src-sym">)</span></div></li>
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<li><div class="src-line"><a name="a58"></a> <span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a59"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../Doctrine/Doctrine_Expression.html#var$_expression">_expression</a> = <span class="src-var">$this</span><span class="src-sym">-></span><a href="../Doctrine/Doctrine_Expression.html#methodparseClause">parseClause</a><span class="src-sym">(</span><span class="src-var">$clause</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a60"></a> <span class="src-sym">}</span></div></li>
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<li><div class="src-line"><a name="a61"></a> </div></li>
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<li><div class="src-line"><a name="a62"></a> <span class="src-key">public </span><span class="src-key">function </span><a href="../Doctrine/Doctrine_Expression.html#methodparseExpression">parseExpression</a><span class="src-sym">(</span><span class="src-var">$expr</span><span class="src-sym">)</span></div></li>
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<li><div class="src-line"><a name="a63"></a> <span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a64"></a> <span class="src-var">$pos </span>= <a href="http://www.php.net/strpos">strpos</a><span class="src-sym">(</span><span class="src-var">$expr</span><span class="src-sym">, </span><span class="src-str">'('</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a65"></a> <span class="src-key">if </span><span class="src-sym">(</span><span class="src-var">$pos </span>=== <span class="src-id">false</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a66"></a> <span class="src-key">return </span><span class="src-var">$expr</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a67"></a> <span class="src-sym">}</span></div></li>
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<li><div class="src-line"><a name="a68"></a> </div></li>
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<li><div class="src-line"><a name="a69"></a> <span class="src-comm">// get the name of the function</span></div></li>
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<li><div class="src-line"><a name="a70"></a> <span class="src-var">$name </span>= <a href="http://www.php.net/substr">substr</a><span class="src-sym">(</span><span class="src-var">$expr</span><span class="src-sym">, </span><span class="src-num">0</span><span class="src-sym">, </span><span class="src-var">$pos</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a71"></a> <span class="src-var">$argStr </span>= <a href="http://www.php.net/substr">substr</a><span class="src-sym">(</span><span class="src-var">$expr</span><span class="src-sym">, </span><span class="src-sym">(</span><span class="src-var">$pos </span>+ <span class="src-num">1</span><span class="src-sym">)</span><span class="src-sym">, </span>-<span class="src-num">1</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a72"></a> </div></li>
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<li><div class="src-line"><a name="a73"></a> <span class="src-comm">// parse args</span></div></li>
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<li><div class="src-line"><a name="a74"></a> <span class="src-key">foreach </span><span class="src-sym">(</span><span class="src-id"><a href="../Doctrine/Doctrine_Tokenizer.html">Doctrine_Tokenizer</a></span><span class="src-sym">::</span><a href="../Doctrine/Doctrine_Tokenizer.html#methodbracketExplode">bracketExplode</a><span class="src-sym">(</span><span class="src-var">$argStr</span><span class="src-sym">, </span><span class="src-str">','</span><span class="src-sym">) </span><span class="src-key">as </span><span class="src-var">$arg</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a75"></a> <span class="src-var">$args</span><span class="src-sym">[</span><span class="src-sym">] </span>= <span class="src-var">$this</span><span class="src-sym">-></span><a href="../Doctrine/Doctrine_Expression.html#methodparseClause">parseClause</a><span class="src-sym">(</span><span class="src-var">$arg</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a76"></a> <span class="src-sym">}</span></div></li>
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<li><div class="src-line"><a name="a77"></a> </div></li>
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<li><div class="src-line"><a name="a78"></a> <span class="src-key">return </span><a href="http://www.php.net/call_user_func_array">call_user_func_array</a><span class="src-sym">(</span><span class="src-key">array</span><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-></span><a href="../Doctrine/Doctrine_Expression.html#methodgetConnection">getConnection</a><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">-></span><span class="src-id">expression</span><span class="src-sym">, </span><span class="src-var">$name</span><span class="src-sym">)</span><span class="src-sym">, </span><span class="src-var">$args</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a79"></a> <span class="src-sym">}</span></div></li>
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<li><div class="src-line"><a name="a80"></a> </div></li>
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<li><div class="src-line"><a name="a81"></a> <span class="src-key">public </span><span class="src-key">function </span><a href="../Doctrine/Doctrine_Expression.html#methodparseClause">parseClause</a><span class="src-sym">(</span><span class="src-var">$clause</span><span class="src-sym">)</span></div></li>
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<li><div class="src-line"><a name="a82"></a> <span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a83"></a> <span class="src-var">$e </span>= <span class="src-id"><a href="../Doctrine/Doctrine_Tokenizer.html">Doctrine_Tokenizer</a></span><span class="src-sym">::</span><a href="../Doctrine/Doctrine_Tokenizer.html#methodbracketExplode">bracketExplode</a><span class="src-sym">(</span><span class="src-var">$clause</span><span class="src-sym">, </span><span class="src-str">' '</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a84"></a> </div></li>
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<li><div class="src-line"><a name="a85"></a> <span class="src-key">foreach </span><span class="src-sym">(</span><span class="src-var">$e </span><span class="src-key">as </span><span class="src-var">$k </span>=> <span class="src-var">$expr</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a86"></a> <span class="src-var">$e</span><span class="src-sym">[</span><span class="src-var">$k</span><span class="src-sym">] </span>= <span class="src-var">$this</span><span class="src-sym">-></span><a href="../Doctrine/Doctrine_Expression.html#methodparseExpression">parseExpression</a><span class="src-sym">(</span><span class="src-var">$expr</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a87"></a> <span class="src-sym">}</span></div></li>
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<li><div class="src-line"><a name="a88"></a> </div></li>
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<li><div class="src-line"><a name="a89"></a> <span class="src-key">return </span><a href="http://www.php.net/implode">implode</a><span class="src-sym">(</span><span class="src-str">' '</span><span class="src-sym">, </span><span class="src-var">$e</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a90"></a> <span class="src-sym">}</span></div></li>
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<li><div class="src-line"><a name="a91"></a> </div></li>
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<li><div class="src-line"><a name="a92"></a> <span class="src-key">public </span><span class="src-key">function </span><a href="../Doctrine/Doctrine_Expression.html#methodgetSql">getSql</a><span class="src-sym">(</span><span class="src-sym">)</span></div></li>
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<li><div class="src-line"><a name="a93"></a> <span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a94"></a> </div></li>
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<li><div class="src-line"><a name="a95"></a> <span class="src-key">return </span><span class="src-var">$this</span><span class="src-sym">-></span><a href="../Doctrine/Doctrine_Expression.html#var$_expression">_expression</a><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a96"></a> <span class="src-sym">}</span></div></li>
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<li><div class="src-line"><a name="a97"></a> </div></li>
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<li><div class="src-line"><a name="a98"></a> <span class="src-key">public </span><span class="src-key">function </span><a href="../Doctrine/Doctrine_Expression.html#method__toString">__toString</a><span class="src-sym">(</span><span class="src-sym">)</span></div></li>
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<li><div class="src-line"><a name="a99"></a> <span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a100"></a> <span class="src-key">return </span><span class="src-var">$this</span><span class="src-sym">-></span><a href="../Doctrine/Doctrine_Expression.html#methodgetSql">getSql</a><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a101"></a> <span class="src-sym">}</span></div></li>
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<li><div class="src-line"><a name="a102"></a><span class="src-sym">}</span></div></li>
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</ol>
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</span></div>
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</div>
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