Php uses the specified encoding to export mysql data to a csv file

This article describes how to export mysql data to csv files using the specified encoding in php. it involves php's skills in querying mysql and operating csv files. it has some reference value, for more information about how to export mysql data to a csv file, see the example in this article. Share it with you for your reference. The specific implementation method is as follows:

<?php/* * PHP code to export MySQL data to CSV *  * Sends the result of a MySQL query as a CSV file for download * Easy to convert to UTF-8. */ /* * establish database connection */$conn = mysql_connect('localhost', 'login', 'pass') or die(mysql_error());mysql_select_db('database_name', $conn) or die(mysql_error($conn));mysql_query("SET NAMES CP1252");/*  * execute sql query    */$query = sprintf('SELECT field1,field2 FROM table_name');$result = mysql_query($query, $conn) or die(mysql_error($conn));/*  * send response headers to the browser * following headers instruct the browser to treat the data as a csv file called export.csv */header('Content-Type: text/csv; charset=cp1252');header('Content-Disposition: attachment;filename=output.csv');/*  * output header row (if atleast one row exists)  */   $row = mysql_fetch_assoc($result); if ($row) {  echocsv(array_keys($row));}/* * output data rows (if atleast one row exists) */while ($row) {  echocsv($row);  $row = mysql_fetch_assoc($result);}/* * echo the input array as csv data maintaining consistency with most CSV implementations * - uses double-quotes as enclosure when necessary * - uses double double-quotes to escape double-quotes * - uses CRLF as a line separator */function echocsv($fields){  $separator = '';  foreach ($fields as $field) {    if (preg_match('/\\r|\\n|,|"/', $field)) { $field = '"' . str_replace('"', '""', $field) . '"';    }    echo $separator . $field;    $separator = ',';  }  echo "\r\n";}?>

I hope this article will help you with php programming.