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Youtube Video Download Script

/ Published in: PHP
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Extracts the video title & download URL from a youtube page and starts a download.

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  1. <?php
  2. if ($_SERVER['REQUEST_METHOD'] == 'POST')
  3. {
  4. 	$url = (isset($_POST['url']) && !empty($_POST['url'])) ? $_POST['url'] : false;
  5. 	if (!$url) {
  6. 		echo "Please enter a URL.";
  7. 	} else {
  8. 		$source = file_get_contents($url);
  9. 		$source = urldecode($source);
  10.  
  11. 		// Extract video title.
  12. 		$vTitle_results_1 = explode('<title>', $source);
  13. 		$vTitle_results_2 = explode('</title>', $vTitle_results_1[1]);
  14.  
  15. 		$title = trim(str_replace(' - YouTube', '', trim($vTitle_results_2[0])));
  16.  
  17. 		// Extract video download URL.
  18. 		$dURL_results_1 = explode('url_encoded_fmt_stream_map": "url=', $source);
  19. 		$dURL_results_2 = explode('\u0026quality', $dURL_results_1[1]);
  20.  
  21. 		// Force download of video.
  22. 		$file = str_replace(' ', '_', strtolower($title)).'.webm';
  23.  
  24. 		header("Cache-Control: public");
  25. 		header("Content-Description: File Transfer");
  26. 		header("Content-Disposition: attachment; filename=$file");
  27. 		header("Content-Type: video/webm");
  28. 		header("Content-Transfer-Encoding: binary");
  29.  
  30. 		readfile($dURL_results_2[0]);
  31.  
  32. 		exit;
  33. 	}
  34. }
  35. ?>
  36. <form method="post">
  37. 	<label for="url">URL:</label> 
  38. 	<input type="text" name="url" value="" id="url"> 
  39. 	<input type="submit" name="submit" value="Download">
  40. </form>

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