00001 <?php 00051 class Zend_Json_Expr 00052 { 00058 protected $_expression; 00059 00066 public function __construct($expression) 00067 { 00068 $this->_expression = (string) $expression; 00069 } 00070 00076 public function __toString() 00077 { 00078 return $this->_expression; 00079 } 00080 }