phpbb\convert\convertor::process_row PHP Method

    function process_row(&$schema, &$sql_data, &$insert_values)
    {
        global $user, $phpbb_root_path, $phpEx, $db, $lang, $config, $cache;
        global $convert, $convert_row;
        $sql_flag = false;
        foreach ($schema as $key => $fields) {
            // We are only interested in the lines with:
            // array('comment', 'attachments_desc.comment', 'htmlspecialchars'),
            if (is_int($key)) {
                if (!is_array($fields[1])) {
                    $fields[1] = array($fields[1]);
                }
                $firstkey_set = false;
                $firstkey = 0;
                foreach ($fields[1] as $inner_key => $inner_value) {
                    if (!$firstkey_set) {
                        $firstkey = $inner_key;
                        $firstkey_set = true;
                    }
                    $src_field = isset($sql_data['source_fields'][$key][$inner_key]) ? $sql_data['source_fields'][$key][$inner_key] : '';
                    if (!empty($src_field)) {
                        $fields[1][$inner_key] = $convert->row[$src_field];
                    }
                }
                if (!empty($fields[0])) {
                    // We have a target field, if we haven't set $sql_flag yet it will be set to TRUE.
                    // If a function has already set it to FALSE it won't change it.
                    if ($sql_flag === false) {
                        $sql_flag = true;
                    }
                    // No function assigned?
                    if (empty($fields[2])) {
                        $value = $fields[1][$firstkey];
                    } else {
                        if (is_array($fields[2]) && !is_callable($fields[2])) {
                            // Execute complex function/eval/typecast
                            $value = $fields[1];
                            foreach ($fields[2] as $type => $execution) {
                                if (strpos($type, 'typecast') === 0) {
                                    if (!is_array($value)) {
                                        $value = array($value);
                                    }
                                    $value = $value[0];
                                    settype($value, $execution);
                                } else {
                                    if (strpos($type, 'function') === 0) {
                                        if (!is_array($value)) {
                                            $value = array($value);
                                        }
                                        $value = call_user_func_array($execution, $value);
                                    } else {
                                        if (strpos($type, 'execute') === 0) {
                                            if (!is_array($value)) {
                                                $value = array($value);
                                            }
                                            $execution = str_replace('{RESULT}', '$value', $execution);
                                            $execution = str_replace('{VALUE}', '$value', $execution);
                                            // @codingStandardsIgnoreStart
                                            eval($execution);
                                            // @codingStandardsIgnoreEnd
                                        }
                                    }
                                }
                            }
                        } else {
                            $value = call_user_func_array($fields[2], $fields[1]);
                        }
                    }
                    if (is_null($value)) {
                        $value = '';
                    }
                    $insert_values[] = $db->_sql_validate_value($value);
                } else {
                    if (!empty($fields[2])) {
                        if (is_array($fields[2])) {
                            // Execute complex function/eval/typecast
                            $value = '';
                            foreach ($fields[2] as $type => $execution) {
                                if (strpos($type, 'typecast') === 0) {
                                    $value = settype($value, $execution);
                                } else {
                                    if (strpos($type, 'function') === 0) {
                                        if (!is_array($value)) {
                                            $value = array($value);
                                        }
                                        $value = call_user_func_array($execution, $value);
                                    } else {
                                        if (strpos($type, 'execute') === 0) {
                                            if (!is_array($value)) {
                                                $value = array($value);
                                            }
                                            $execution = str_replace('{RESULT}', '$value', $execution);
                                            $execution = str_replace('{VALUE}', '$value', $execution);
                                            // @codingStandardsIgnoreStart
                                            eval($execution);
                                            // @codingStandardsIgnoreEnd
                                        }
                                    }
                                }
                            }
                        } else {
                            call_user_func_array($fields[2], $fields[1]);
                        }
                    }
                }
            }
        }
        return $sql_flag;
    }