source/Core/Utils.php
public function isSearchEngine($sClient = null)
    {
        if (is_null($this->_blIsSe)) {
            $this->setSearchEngine(null, $sClient);
        }

        return $this->_blIsSe;
    }
public function isSearchEngine($sClient = null)
    {
        if (is_null($this->_blIsSe)) {
            $this->setSearchEngine(null, $sClient);
        }

        return $this->_blIsSe;
    }
public function isSearchEngine ( $ sClient = null ) { if ( is_null ( $ this -> _blIsSe ) ) { $ this -> setSearchEngine ( null , $ sClient ) ; } return $ this -> _blIsSe ; }
Checks if current web client is Search Engine. Returns true on success.

@param string $sClient user browser agent

@return bool
Checks if current web client is Search Engine . Returns true on success .