53 lines
8.0 KiB
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53 lines
8.0 KiB
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<div id="content">
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<h1 align="center">Source for file Null.php</h1>
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<p>Documentation is available at <a href="../Doctrine/_Doctrine---Null.php.html">Null.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: Null.php 2182 2007-08-09 17:27:13Z zYne $</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-doc">/**</span></div></li>
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<li><div class="src-line"><a name="a22"></a><span class="src-doc"> * Doctrine_Null</span></div></li>
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<li><div class="src-line"><a name="a23"></a><span class="src-doc"> *</span></div></li>
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<li><div class="src-line"><a name="a24"></a><span class="src-doc"> * Simple empty class representing a null value</span></div></li>
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<li><div class="src-line"><a name="a25"></a><span class="src-doc"> * used for extra fast null value testing with isset() rather than array_key_exists()</span></div></li>
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<li><div class="src-line"><a name="a26"></a><span class="src-doc"> *</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">@package</span><span class="src-doc"> Doctrine</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">@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="a29"></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="a30"></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="a31"></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="a32"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@version</span><span class="src-doc"> $Revision: 2182 $</span></div></li>
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<li><div class="src-line"><a name="a33"></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="a34"></a><span class="src-doc"> */</span></div></li>
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<li><div class="src-line"><a name="a35"></a><span class="src-key">final </span><span class="src-key">class </span><a href="../Doctrine/Doctrine_Null.html">Doctrine_Null</a></div></li>
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<li><div class="src-line"><a name="a36"></a><span class="src-sym">{ </span></div></li>
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<li><div class="src-line"><a name="a37"></a> <span class="src-key">public </span><span class="src-key">function </span><a href="../Doctrine/Doctrine_Null.html#methodexists">exists</a><span class="src-sym">(</span><span class="src-sym">)</span></div></li>
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<li><div class="src-line"><a name="a38"></a> <span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a39"></a> <span class="src-key">return </span><span class="src-id">false</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-key">public </span><span class="src-key">function </span><a href="../Doctrine/Doctrine_Null.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="a42"></a> <span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a43"></a> <span class="src-key">return </span><span class="src-str">''</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a44"></a> <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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</ol>
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</span></div>
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</div>
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