gyro/core/model/base/dbnull.cls.php

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00001 <?php
00002 /**
00003  * A class to mark something as NULL explicitely
00004  * 
00005  * @author Gerd Riesselmann
00006  * @ingroup Model
00007  */
00008 class DBNull {  
00009     public function __toString() {
00010         return 'NULL';
00011     }   
00012 }