What are the key functions or methods in PHP that can be used to download and read CSV files?

To download and read CSV files in PHP, you can use the `fopen` function to open the file, `fgetcsv` function to read the CSV data line by line, and `fclose` function to close the file after reading. You can also use `header` function to set the appropriate headers for downloading the file. 

<?php
$file = 'example.csv';

header('Content-Type: text/csv');
header('Content-Disposition: attachment; filename="' . $file . '"');

$handle = fopen($file, 'r');

while (($data = fgetcsv($handle)) !== false) {
    // Process each row of the CSV file
    print_r($data);
}

fclose($handle);
?>

Keywords

PHP functions methods download read CSV files

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