export data from mysql database table in csv file using php

In this post we export data from mysql database table in csv file formate using php.

Note : Save bellow file as name  csvfile.php

<\?php
$host = 'localhost'; // MySql DataBase Host Name
$db = 'databasename'; // MySql DataBase Name
$user = 'root'; // MySql DataBase UserName
$pass = ''; // MySql DataBase Password

// Connect to the database
$link = mysql_connect($host, $user, $pass);
mysql_select_db($db);

require 'exportcsv.php';
$table="TableName"; // Table Name that you want to export in csv file from mysql database.

exportMysqlToCsv($table);
?>



Note: Save bellow file as name  exportcsv.php



<\?php
function exportMysqlToCsv($table, $filename = 'csvfilename.csv')
{
    $csv_terminated = "\n";
    $csv_separator = ",";
    $csv_enclosed = '"';
    $csv_escaped = "\\";

    $sql_query = "select * from $table";
    $result = mysql_query($sql_query);
    $fields_cnt = mysql_num_fields($result);
  
    $schema_insert = '';
    for ($i = 0; $i < $fields_cnt; $i++)
    {
        $l = $csv_enclosed . str_replace($csv_enclosed, $csv_escaped . $csv_enclosed,
            stripslashes(mysql_field_name($result, $i))) . $csv_enclosed;
        $schema_insert .= $l;
        $schema_insert .= $csv_separator;
    } // end for
    $out = trim(substr($schema_insert, 0, -1));
    $out .= $csv_terminated;
    // Format the data
    while ($row = mysql_fetch_array($result))
    {
        $schema_insert = '';
        for ($j = 0; $j < $fields_cnt; $j++)
        {
            if ($row[$j] == '0' || $row[$j] != '')
            {
                if ($csv_enclosed == '')
                {
                    $schema_insert .= $row[$j];
                }
                else
                {
                    $schema_insert .= $csv_enclosed .
                    str_replace($csv_enclosed, $csv_escaped . $csv_enclosed, $row[$j]) . $csv_enclosed;
                }
            }
            else
            {
                $schema_insert .= '';
            }
            if ($j < $fields_cnt - 1)
            {
                $schema_insert .= $csv_separator;
            }
        } // end for
        $out .= $schema_insert;
        $out .= $csv_terminated;
    } // end while
    header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
    header("Content-Length: " . strlen($out));
    // Output to browser with appropriate mime type, you choose ;)
    header("Content-type: text/x-csv");
    //header("Content-type: text/csv");
    //header("Content-type: application/csv");
    header("Content-Disposition: attachment; filename=$filename");
    echo $out;
    exit;
}
?>