API16

JTableNested/check

< API16:JTableNested

The "API16" namespace is an archived namespace. This page contains information for a Joomla! version which is no longer supported. It exists only as a historical reference, it will not be improved and its content may be incomplete and/or contain broken links.

Description

Asset that the nested set data is valid.



Syntax

check()


Returns

boolean True if the instance is sane and able to be stored in the database.

Defined in

libraries/joomla/database/tablenested.php

Importing

jimport( 'joomla.database.tablenested' );

Source Body

public function check()
{
        $this->parent_id = (int) $this->parent_id;
        if ($this->parent_id > 0) {
                $this->_db->setQuery(
                        'SELECT COUNT(id)' .
                        ' FROM '.$this->_db->nameQuote($this->_tbl).
                        ' WHERE `id` = '.$this->parent_id
                );
                if ($this->_db->loadResult()) {
                        return true;
                } else {
                        if ($error = $this->_db->getErrorMsg()) {
                                $this->setError($error);
                        } else {
                                $this->setError('JError_Invalid_parent_id');
                        }
                }
        } else {
                $this->setError('JError_Invalid_parent_id');
        }

        return false;
}



Examples

Code Examples


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