Are there specific PHP libraries or extensions that can assist in efficiently parsing CSV files with complex formatting requirements?

When dealing with CSV files with complex formatting requirements, using PHP libraries or extensions can greatly assist in efficiently parsing the data. One popular library that can handle such scenarios is the "league/csv" library, which provides extensive functionality for parsing and manipulating CSV files with various formatting needs.

// Install league/csv library using composer
composer require league/csv

// Parse CSV file with complex formatting requirements
use League\Csv\Reader;

$csv = Reader::createFromPath('path/to/your/csv/file.csv', 'r');
$csv->setDelimiter(';'); // Set custom delimiter if needed
$csv->setHeaderOffset(0); // Set header offset if headers are present

foreach ($csv as $record) {
    // Process each record as needed
    print_r($record);
}