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PHP file upload with extension and size check

/ Published in: PHP
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form enctype="multipart/form-data"

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  1. if($_FILES['image']['name'] != '')
  2. {
  3. 	$filename = preg_replace('/[^a-zA-Z0-9._-]/', '', $_FILES['image']['name']);
  4. 	$ext = substr($filename, strpos($filename,'.'), strlen($filename)-1);
  5.  
  6. 	if (! preg_match('/\.(jpg|gif|png)/i', $ext))
  7. 		echo 'Filetype not supported.';
  8.  
  9. 	if ($_FILES['image']['size'] > 1000000)
  10. 		echo 'File size too high, 1MB is allowed.';
  11.  
  12. 	move_uploaded_file($_FILES['image']['tmp_name'], PATH . '/'.$filename);
  13. }

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