Classes/Domain/Repository/FootnoteRepository.php
public function getLowestFreeIndexNumber()
    {
        $query = $this->createQuery();
        $query->statement('SELECT index_number from ' . strtolower($this->objectType) . ' WHERE deleted=0');
        $index = 1;
        $results = $query->execute(true);
        if (false === is_array($results) || sizeof($results) < 1) {
            return $index;
        }
        $indexes = array();
        foreach ($results as $result) {
            $indexes[] = (integer)$result['index_number'];
        }
        for ($index = 1; $index <= sizeof($indexes) + 1; $index++) {
            if (false === in_array($index, $indexes)) {
                break;
            }
        }
        return $index;
    }
public function getLowestFreeIndexNumber()
    {
        $query = $this->createQuery();
        $query->statement('SELECT index_number from ' . strtolower($this->objectType) . ' WHERE deleted=0');
        $index = 1;
        $results = $query->execute(true);
        if (false === is_array($results) || sizeof($results) < 1) {
            return $index;
        }
        $indexes = array();
        foreach ($results as $result) {
            $indexes[] = (integer)$result['index_number'];
        }
        for ($index = 1; $index <= sizeof($indexes) + 1; $index++) {
            if (false === in_array($index, $indexes)) {
                break;
            }
        }
        return $index;
    }
public function getLowestFreeIndexNumber ( ) { $ query = $ this -> createQuery ( ) ; $ query -> statement ( 'SELECT index_number from ' . strtolower ( $ this -> objectType ) . ' WHERE deleted=0' ) ; $ index = 1 ; $ results = $ query -> execute ( true ) ; if ( false === is_array ( $ results ) || sizeof ( $ results ) < 1 ) { return $ index ; } $ indexes = array ( ) ; foreach ( $ results as $ result ) { $ indexes [ ] = ( integer ) $ result [ 'index_number' ] ; } for ( $ index = 1 ; $ index <= sizeof ( $ indexes ) + 1 ; $ index ++ ) { if ( false === in_array ( $ index , $ indexes ) ) { break ; } } return $ index ; }
Returns the smallest index which is not used.

@return integer
Returns the smallest index which is not used .