PHP將cvs導入到MySql

<?php

$databasehost = "localhost";
$databasename = "test";
$databasetable = "sample";
$databaseusername ="test";
$databasepassword = "";
$fieldseparator = ",";
$lineseparator = "\n";
$csvfile = "filename.csv";
/**/
/ Would you like to add an ampty field at the beginning of these records?
/ This is useful if you have a table with the first field being an auto_increment integer
/ and the csv file does not have such as empty field before the records.
/ Set 1 for yes and 0 for no. ATTENTION: don't set to 1 if you are not sure.
/* This can dump data in the wrong fields if this extra field does not exist in the table
/**/
$addauto = 0;
/**/
/ Would you like to save the mysql queries in a file? If yes set $save to 1.
/ Permission on the file should be set to 777. Either upload a sample file through ftp and
/* change the permissions, or execute at the prompt: touch output.sql && chmod 777 output.sql
/**/
$save = 1;
$outputfile = "output.sql";
/**/
if (!file_exists($csvfile)) {
        echo "File not found. Make sure you specified the correct path.\n";
        exit;
}
$file = fopen($csvfile,"r");
if (!$file) {
        echo "Error opening data file.\n";
        exit;
}
$size = filesize($csvfile);
if (!$size) {
        echo "File is empty.\n";
        exit;
}
$csvcontent = fread($file,$size);
fclose($file);
$con = @mysql_connect($databasehost,$databaseusername,$databasepassword) or die(mysql_error());
@mysql_select_db($databasename) or die(mysql_error());
$lines = 0;
$queries = "";
$linearray = array();
foreach(split($lineseparator,$csvcontent) as $line) {

    $lines++;

    $line = trim($line," \t");

    $line = str_replace("\r","",$line);

    /************************************
    This line escapes the special character. remove it if entries are already escaped in the csv file
    ************************************/
    $line = str_replace("'","\'",$line);
    /*************************************/

    $linearray = explode($fieldseparator,$line);

    $linemysql = implode("','",$linearray);

    if($addauto)
            $query = "insert into $databasetable values('','$linemysql');";
    else
            $query = "insert into $databasetable values('$linemysql');";

    $queries .= $query . "\n";

    @mysql_query($query);

}
@mysql_close($con);
if ($save) {

    if (!is_writable($outputfile)) {
            echo "File is not writable, check permissions.\n";
    }

    else {
            $file2 = fopen($outputfile,"w");

            if(!$file2) {
                    echo "Error writing to the output file.\n";
            }
            else {
                    fwrite($file2,$queries);
                    fclose($file2);
            }
    }


}
echo "Found a total of $lines records in this csv file.\n";
?></pre>