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Data URI base64 PHP function

/ Published in: PHP
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**Example of use:**

echo base64DataUri('/var/www/html/background.png');

*or*

echo base64DataUri('http://static.php.net/www.php.net/images/php.gif');

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  1. /**
  2.  * Data URI base64 PHP function.
  3.  * 
  4.  * @author        Pierre-Henry Soria <[email protected]>
  5.  * @copyright     (c) 2012-2013, Pierre-Henry Soria. All Rights Reserved.
  6.  * @license       Lesser General Public License (LGPL) <http://www.gnu.org/copyleft/lesser.html>
  7.  * @param         string $sFile The path of your file to encode.
  8.  * @return        string The encoded data in base64.
  9.  */
  10. function base64DataUri($sFile)
  11. {                   
  12.  
  13.     // Switch to right MIME-type
  14.     $sExt = strtolower(substr(strrchr($sFile, '.'), 1));
  15.  
  16.     switch($sExt)
  17.     {
  18. 		case 'gif':
  19. 		case 'jpg':
  20. 		case 'png':
  21. 			$sMimeType = 'image/'. $sExt;
  22. 		break;
  23.  
  24. 		case 'ico':
  25. 			$sMimeType = 'image/x-icon';
  26. 		break;
  27.  
  28. 		case 'eot':
  29. 			$sMimeType = 'application/vnd.ms-fontobject';
  30. 		break;
  31.  
  32. 		case 'otf':
  33. 		case 'ttf':
  34. 		case 'woff':
  35. 			$sMimeType = 'application/octet-stream';
  36. 		break;
  37.  
  38. 		default:
  39. 		    exit('Invalid extension file!');
  40. 	}
  41.  
  42.     $sBase64 = base64_encode(file_get_contents($sFile));
  43.     return "data:$sMimeType;base64,$sBase64";
  44. }

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