Zend_Db_Table_Abstract::find PHP Method

    public function find()
    {
        $this->_setupPrimaryKey();
        $args = func_get_args();
        $keyNames = array_values((array) $this->_primary);
        if (count($args) < count($keyNames)) {
            require_once 'Zend/Db/Table/Exception.php';
            throw new Zend_Db_Table_Exception("Too few columns for the primary key");
        }
        if (count($args) > count($keyNames)) {
            require_once 'Zend/Db/Table/Exception.php';
            throw new Zend_Db_Table_Exception("Too many columns for the primary key");
        }
        $whereList = array();
        $numberTerms = 0;
        foreach ($args as $keyPosition => $keyValues) {
            $keyValuesCount = count($keyValues);
            // Coerce the values to an array.
            // Don't simply typecast to array, because the values
            // might be Zend_Db_Expr objects.
            if (!is_array($keyValues)) {
                $keyValues = array($keyValues);
            }
            if ($numberTerms == 0) {
                $numberTerms = $keyValuesCount;
            } else {
                if ($keyValuesCount != $numberTerms) {
                    require_once 'Zend/Db/Table/Exception.php';
                    throw new Zend_Db_Table_Exception("Missing value(s) for the primary key");
                }
            }
            $keyValues = array_values($keyValues);
            for ($i = 0; $i < $keyValuesCount; ++$i) {
                if (!isset($whereList[$i])) {
                    $whereList[$i] = array();
                }
                $whereList[$i][$keyPosition] = $keyValues[$i];
            }
        }
        $whereClause = null;
        if (count($whereList)) {
            $whereOrTerms = array();
            $tableName = $this->_db->quoteTableAs($this->_name, null, true);
            foreach ($whereList as $keyValueSets) {
                $whereAndTerms = array();
                foreach ($keyValueSets as $keyPosition => $keyValue) {
                    $type = $this->_metadata[$keyNames[$keyPosition]]['DATA_TYPE'];
                    $columnName = $this->_db->quoteIdentifier($keyNames[$keyPosition], true);
                    $whereAndTerms[] = $this->_db->quoteInto($tableName . '.' . $columnName . ' = ?', $keyValue, $type);
                }
                $whereOrTerms[] = '(' . implode(' AND ', $whereAndTerms) . ')';
            }
            $whereClause = '(' . implode(' OR ', $whereOrTerms) . ')';
        }
        // issue ZF-5775 (empty where clause should return empty rowset)
        if ($whereClause == null) {
            $rowsetClass = $this->getRowsetClass();
            if (!class_exists($rowsetClass)) {
                require_once 'Zend/Loader.php';
                Zend_Loader::loadClass($rowsetClass);
            }
            return new $rowsetClass(array('table' => $this, 'rowClass' => $this->getRowClass(), 'stored' => true));
        }
        return $this->fetchAll($whereClause);
    }

 public function find($id)
 {
     $result = $this->dbTable->find($id);
     if (0 == count($result)) {
         return false;
     }
     $row = $result->current();
     return array('id' => $row->id, 'state' => $row->state, 'info' => $row->info, 'lastupdate' => $row->lastupdate, 'sticked' => $row->sticked);
 }