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AndreiTelteu/Laravel stream large file with buffer .php

Created February 7, 2023 21:50
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Laravel stream large file from disk with buffer.
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Laravel stream large file with buffer .php
<?php
// inspired by https://github.com/imanghafoori1/laravel-video
// if you need this for video, this does not support seek.
// laravel-video supports seek and chunks, so use that for video.
Route::get('/big-file-stream', function () {
$filePath = \Storage::disk('local')->path('video.mp4');
$fileStream = \Storage::disk('local')->readStream('video.mp4');
$fileSize = filesize($filePath);
$headers = [
'Content-type' => 'video/mp4',
// 'Content-type' => 'application/pdf',
// 'Content-Disposition' => 'attachment; filename=video.mp4', // if you need to force download
'Pragma' => 'no-cache',
'Cache-Control' => 'must-revalidate, post-check=0, pre-check=0',
'Expires' => '0',
'Content-Length' => $fileSize,
];
set_time_limit(0);
$end = $fileSize - 1;
$callback = function () use ($fileStream, $end) {
ob_get_clean();
$i = 0;
$buffer = 102400;
while (!feof($fileStream) && $i <= $end) {
$bytesToRead = $buffer;
if ($i + $bytesToRead > $end) {
$bytesToRead = $end - $i + 1;
}
$data = fread($fileStream, $bytesToRead);
echo $data;
flush();
$i += $bytesToRead;
}
fclose($fileStream);
};
return \Illuminate\Support\Facades\Response::stream($callback, 200, $headers)->send();
});
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