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Csv is a simple library to ease CSV parsing, writing and filtering in PHP. The goal of the library is to be powerful while remaining lightweight, by utilizing PHP native classes whenever possible.


Parsing a document

A simple example to show you how to parse a CSV document.

use League\Csv\Reader;

$csv = Reader::createFromPath('/path/to/your/csv/file.csv', 'r');

//get the first row, usually the CSV header
$headers = $csv->fetchOne();

//get 25 rows starting from the 11th row
$res = $csv->setOffset(10)->setLimit(25)->fetchAll();

Exporting a database table as a CSV document

A simple example to show you how to create and download a CSV from a PDOStatement object

use League\Csv\Writer;

//we fetch the info from a DB using a PDO object
$sth = $dbh->prepare(
    "SELECT firstname, lastname, email FROM users LIMIT 200"
//because we don't want to duplicate the data for each row
// PDO::FETCH_NUM could also have been used

//we create the CSV into memory
$csv = Writer::createFromFileObject(new SplTempFileObject());

//we insert the CSV header
$csv->insertOne(['firstname', 'lastname', 'email']);

// The PDOStatement Object implements the Traversable Interface
// that's why Writer::insertAll can directly insert
// the data into the CSV

// Because you are providing the filename you don't have to
// set the HTTP headers Writer::output can
// directly set them for you
// The file is downloadable

Importing a CSV into a database table

A simple example to show you how to import some CSV data into a database using a PDOStatement object

use League\Csv\Reader;

//We are going to insert some data into the users table
$sth = $dbh->prepare(
    "INSERT INTO users (firstname, lastname, email) VALUES (:firstname, :lastname, :email)"

$csv = Reader::createFromPath('/path/to/your/csv/file.csv', 'r');
$csv->setOffset(1); //because we don't want to insert the header
$nbInsert = $csv->each(function ($row) use (&$sth) {
    //Do not forget to validate your data before inserting it in your database
    $sth->bindValue(':firstname', $row[0], PDO::PARAM_STR);
    $sth->bindValue(':lastname', $row[1], PDO::PARAM_STR);
    $sth->bindValue(':email', $row[2], PDO::PARAM_STR);

    return $sth->execute(); //if the function return false then the iteration will stop

Converting a UTF-16 CSV file contents to UTF-8

When importing csv files, you don’t know whether the file is encoded with UTF-8, UTF-16 or anything else. The below example tries to determine the encoding and convert to UTF-8 using the iconv extension.

use League\Csv\Reader;

$reader = Reader::createFromPath('/path/to/your/csv/file.csv', 'r');

$input_bom = $reader->getInputBOM();

if ($input_bom === Reader::BOM_UTF16_LE || $input_bom === Reader::BOM_UTF16_BE) {

foreach ($reader->fetchAssoc(0) as $row) {
    echo json_encode($row, JSON_PRETTY_PRINT), PHP_EOL;

More Examples

The CSV data use for the examples are taken from Paris Opendata