Contao\DC_Table::reviseTable PHP Method

    protected function reviseTable()
    {
        $reload = false;
        $ptable = $GLOBALS['TL_DCA'][$this->strTable]['config']['ptable'];
        $ctable = $GLOBALS['TL_DCA'][$this->strTable]['config']['ctable'];
        /** @var AttributeBagInterface $objSessionBag */
        $objSessionBag = \System::getContainer()->get('session')->getBag('contao_backend');
        $new_records = $objSessionBag->get('new_records');
        // HOOK: add custom logic
        if (isset($GLOBALS['TL_HOOKS']['reviseTable']) && is_array($GLOBALS['TL_HOOKS']['reviseTable'])) {
            foreach ($GLOBALS['TL_HOOKS']['reviseTable'] as $callback) {
                $status = null;
                if (is_array($callback)) {
                    $this->import($callback[0]);
                    $status = $this->{$callback[0]}->{$callback[1]}($this->strTable, $new_records[$this->strTable], $ptable, $ctable);
                } elseif (is_callable($callback)) {
                    $status = $callback($this->strTable, $new_records[$this->strTable], $ptable, $ctable);
                }
                if ($status === true) {
                    $reload = true;
                }
            }
        }
        // Delete all new but incomplete records (tstamp=0)
        if (!empty($new_records[$this->strTable]) && is_array($new_records[$this->strTable])) {
            $objStmt = $this->Database->execute("DELETE FROM " . $this->strTable . " WHERE id IN(" . implode(',', array_map('intval', $new_records[$this->strTable])) . ") AND tstamp=0");
            if ($objStmt->affectedRows > 0) {
                $reload = true;
            }
            // Remove the entries from the session
            unset($new_records[$this->strTable]);
            $objSessionBag->set('new_records', $new_records);
        }
        // Delete all records of the current table that are not related to the parent table
        if ($ptable != '') {
            if ($GLOBALS['TL_DCA'][$this->strTable]['config']['dynamicPtable']) {
                $objStmt = $this->Database->execute("DELETE FROM " . $this->strTable . " WHERE ptable='" . $ptable . "' AND NOT EXISTS (SELECT * FROM " . $ptable . " WHERE " . $this->strTable . ".pid = " . $ptable . ".id)");
            } else {
                $objStmt = $this->Database->execute("DELETE FROM " . $this->strTable . " WHERE NOT EXISTS (SELECT * FROM " . $ptable . " WHERE " . $this->strTable . ".pid = " . $ptable . ".id)");
            }
            if ($objStmt->affectedRows > 0) {
                $reload = true;
            }
        }
        // Delete all records of the child table that are not related to the current table
        if (!empty($ctable) && is_array($ctable)) {
            foreach ($ctable as $v) {
                if ($v != '') {
                    // Load the DCA configuration so we can check for "dynamicPtable"
                    if (!isset($GLOBALS['loadDataContainer'][$v])) {
                        $this->loadDataContainer($v);
                    }
                    if ($GLOBALS['TL_DCA'][$v]['config']['dynamicPtable']) {
                        $objStmt = $this->Database->execute("DELETE FROM {$v} WHERE ptable='" . $this->strTable . "' AND NOT EXISTS (SELECT * FROM " . $this->strTable . " WHERE {$v}.pid = " . $this->strTable . ".id)");
                    } else {
                        $objStmt = $this->Database->execute("DELETE FROM {$v} WHERE NOT EXISTS (SELECT * FROM " . $this->strTable . " WHERE {$v}.pid = " . $this->strTable . ".id)");
                    }
                    if ($objStmt->affectedRows > 0) {
                        $reload = true;
                    }
                }
            }
        }
        // Reload the page
        if ($reload) {
            $this->reload();
        }
    }