API16:JTableNested/check
From Joomla! Documentation
Description
Asset that the nested set data is valid.
{{subst:Description:JTableNested/check}}
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;
}
{{subst:SeeAlso:JTableNested/check}}
Examples
<CodeExamplesForm />