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Fetch & Save / Cache an image from a remote server using PHP

/ Published in: PHP
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  1. function cache_image($image_url){
  2. 	//replace with your cache directory
  3. 	$image_path = 'path/to/cache/dir/';
  4. 	//get the name of the file
  5. 	$exploded_image_url = explode("/",$image_url);
  6. 	$image_filename = end($exploded_image_url);
  7. 	$exploded_image_filename = explode(".",$image_filename);
  8. 	$extension = end($exploded_image_filename);
  9. 	//make sure its an image
  10. 	if($extension=="gif"||$extension=="jpg"||$extension=="png"){
  11. 		//get the remote image
  12. 		$image_to_fetch = file_get_contents($image_url);
  13. 		//save it
  14. 		$local_image_file  = fopen($image_path.$image_filename, 'w+');
  15. 		chmod($image_path.$image_filename,0755);
  16. 		fwrite($local_image_file, $image_to_fetch);
  17. 		fclose($local_image_file);	
  18. 	}
  19. }
  20.  
  21. //usage
  22. //cache_image("http://www.flickr.com/someimage.jpg");

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