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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');

//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');
$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');

$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