php csv文件如何读写

读取CSV文件:

$file = fopen('data.csv', 'r');

while (($data = fgetcsv($file)) !== false) {
    print_r($data);
}

fclose($file);

写入CSV文件:

$data = [
    ['John', 'Doe', 'john.doe@example.com'],
    ['Jane', 'Smith', 'jane.smith@example.com'],
];

$file = fopen('data.csv', 'w');

foreach ($data as $row) {
    fputcsv($file, $row);
}

fclose($file);