程式設計@筆記

例子

<?php
echo readfile("test.txt");
?>
輸出：
There are two lines in this file.
This is the last line.
57

使用readfile()強制下載
<?php
$file = 'monkey.gif';

if (file_exists($file)) {
header('Content-Description: File Transfer');
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename="'.basename($file).'"');
header('Expires: 0');
header('Cache-Control: must-revalidate');
header('Pragma: public');
header('Content-Length: ' . filesize($file));
readfile($file);
exit;
}
?>