phpを使って、.sqlファイルをmysqlデータベースにインポートする方法

<?php

// Name of the file
$filename = 'churc.sql';
// MySQL host
$mysql_host = 'localhost';
// MySQL username
$mysql_username = 'root';
// MySQL password
$mysql_password = '';
// Database name
$mysql_database = 'dump';

// Connect to MySQL server
mysql_connect($mysql_host, $mysql_username, $mysql_password) or die('Error connecting to MySQL server: ' . mysql_error());
// Select database
mysql_select_db($mysql_database) or die('Error selecting MySQL database: ' . mysql_error());

// Temporary variable, used to store current query
$templine = '';
// Read in entire file
$lines = file($filename);
// Loop through each line
foreach ($lines as $line)
{
// Skip it if it's a comment
if (substr($line, 0, 2) == '--' || $line == '')
    continue;

// Add this line to the current segment
$templine .= $line;
// If it has a semicolon at the end, it's the end of the query
if (substr(trim($line), -1, 1) == ';')
{
    // Perform the query
    mysql_query($templine) or print('Error performing query \'<strong>' . $templine . '\': ' . mysql_error() . '<br /><br />');
    // Reset temp variable to empty
    $templine = '';
}
}
 echo "Tables imported successfully";
?>

// your config
$filename = 'yourGigaByteDump.sql';
$dbHost = 'localhost';
$dbUser = 'user';
$dbPass = '__pass__';
$dbName = 'dbname';
$maxRuntime = 8; // less then your max script execution limit

$deadline = time()+$maxRuntime; 
$progressFilename = $filename.'_filepointer'; // tmp file for progress
$errorFilename = $filename.'_error'; // tmp file for erro

mysql_connect($dbHost, $dbUser, $dbPass) OR die('connecting to host: '.$dbHost.' failed: '.mysql_error());
mysql_select_db($dbName) OR die('select db: '.$dbName.' failed: '.mysql_error());

($fp = fopen($filename, 'r')) OR die('failed to open file:'.$filename);

// check for previous error
if( file_exists($errorFilename) ){
    die('<pre> previous error: '.file_get_contents($errorFilename));
}

// activate automatic reload in browser
echo ' <meta http-equiv="refresh" content="'.($maxRuntime+2).'"><pre>';

// go to previous file position
$filePosition = 0;
if( file_exists($progressFilename) ){
    $filePosition = file_get_contents($progressFilename);
    fseek($fp, $filePosition);
}

$queryCount = 0;
$query = '';
while( $deadline>time() AND ($line=fgets($fp, 1024000)) ){
    if(substr($line,0,2)=='--' OR trim($line)=='' ){
        continue;
    }

    $query .= $line;
    if( substr(trim($query),-1)==';' ){
        if( !mysql_query($query) ){
            $error = 'Error performing query \'<strong>' . $query . '\': ' . mysql_error();
            file_put_contents($errorFilename, $error."\n");
            exit;
        }
        $query = '';
        file_put_contents($progressFilename, ftell($fp)); // save the current file position for 
        $queryCount++;
    }
}

if( feof($fp) ){
    echo 'dump successfully restored!';
}else{
    echo ftell($fp).'/'.filesize($filename).' '.(round(ftell($fp)/filesize($filename), 2)*100).'%'."\n";
    echo $queryCount.' queries processed! please reload or wait for automatic browser refresh!';
}

<?php
//ENTER THE RELEVANT INFO BELOW
$mysqlDatabaseName ='test';
$mysqlUserName ='root';
$mysqlPassword ='';
$mysqlHostName ='localhost';
$mysqlImportFilename ='dbbackupmember.sql';
//DONT EDIT BELOW THIS LINE
//Export the database and output the status to the page
$command='mysql -h' .$mysqlHostName .' -u' .$mysqlUserName .' -p' .$mysqlPassword .' ' .$mysqlDatabaseName .' < ' .$mysqlImportFilename;
$output=array();
exec($command,$output,$worked);
switch($worked){
    case 0:
        echo 'Import file ' .$mysqlImportFilename .' successfully imported to database ' .$mysqlDatabaseName .'';
        break;
    case 1:
        echo 'There was an error during import.';
        break;
}
?>