Create DB from .SQL "import" via PHP

gistfile1.php

<?php
  public function create_dbs() {
        $db_skel    = TMP .DS. 'create_dbs.sql';
        $sql = file_get_contents($db_skel);

        $config = $this->getDataSource()->config;

        $sql = preg_replace('#/\*.*?\*/#s', '', $sql);
        $sql = preg_replace('/^-- .*[\r\n]*/m', '', $sql);

        $sql = explode(';', $sql);
        $sql = array_map('trim', $sql);
        $sql = array_filter($sql);

        $sql_string = implode(';', $sql);
        /* mysql connect for multi_query */
        $mysqli = new mysqli($config['host'], $config['login'], $config['password']);

        if ($mysqli->connect_errno) {
            $this->log("Failed to connect to MySQL: (" . $mysqli->connect_errno . ") " . $mysqli->connect_error);
        }

        $i = 0;
        if ($mysqli->multi_query( $sql_string )) {
            do {
                if ($result = $mysqli->store_result()) {

                    $this->log("Query $i executed.");
                    $result->free();
                }

                $i++;
            } while( $mysqli->more_results() && $mysqli->next_result() );
        }

        $success = true;
        if ($mysqli->errno) {
            $this->log("Batch execution prematurely ended on statement $i.\n");
            $this->log($sql[$i], $mysqli->error);

            $success = false;
        }

        /* close connection */
        $mysqli->close();

        return $success;
  }