Exporting MySQL Query Results to CSV in PHP
To efficiently convert a MySQL query result to a CSV file in PHP, you can utilize the following options:
Utilizing the SELECT * INTO OUTFILE Syntax
One approach is to employ the SELECT * INTO OUTFILE syntax, which enables you to export the results directly to a file on the server. For instance:
SELECT * INTO OUTFILE "c:/mydata.csv" FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '"' LINES TERMINATED BY "\n" FROM my_table;
Programmatic Method Using PHP
Alternatively, you can use a programmatic approach:
$select = "SELECT * FROM table_name"; $export = mysql_query ($select) or die ("Sql error : " . mysql_error()); $fields = mysql_num_fields ($export); for ($i = 0; $i < $fields; $i++) { $header .= mysql_field_name($export, $i) . "\t"; } while ($row = mysql_fetch_row($export)) { $line = ''; foreach ($row as $value) { if (empty($value)) { $value = "\t"; } else { $value = str_replace('"', '""', $value); $value = '"' . $value . '"' . "\t"; } $line .= $value; } $data .= trim($line) . "\n"; } $data = str_replace("\r", "", $data); if ($data == "") { $data = "\n(0) Records Found!\n"; } header("Content-type: application/octet-stream"); header("Content-Disposition: attachment; filename=your_desired_name.xls"); header("Pragma: no-cache"); header("Expires: 0"); print "$header\n$data";
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