Auto change the country list dropdown based on web browser languages

Submitted by chrislim2888 on Thursday, January 24, 2013 - 23:45.

Language


The following codes populate the country list into dropdown box based on browser's languages. The country information is getting from geolocation.com, free license with attribution: The geolocation data is provided by http://www.geolocation.com

  1. <html>
  2. <head>
  3. </head>
  4. <body>
  5. 	<?php
  6.  
  7. 	//Get the languages
  8. 	if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
  9. 		echo '<p>Browser Languages: ' . $_SERVER['HTTP_ACCEPT_LANGUAGE'] . '</p>';
  10. 		echo '<p style="margin:0px; padding:0px;">Country List <span style="font-size:9pt; display:block;">The geolocation data is provided by <a href="http://www.geolocation.com">http://www.geolocation.com</a></span></p>';
  11.  
  12. 		////////////////////////////
  13. 		//Get the browser languages
  14. 		if(preg_match_all('/([a-z]{1,8}(-[a-z]{1,8})?)\s*(;\s*q\s*=\s*(1|0\.[0-9]+))?/i', $_SERVER['HTTP_ACCEPT_LANGUAGE'], $lang_matches)){
  15. 			$langs = array_combine($lang_matches[1], $lang_matches[4]);
  16. 			foreach ($langs as $lang => $val)
  17. 			  if ($val === '') $langs[$lang] = 1;
  18.  
  19. 			arsort($langs, SORT_NUMERIC);
  20. 		}
  21.  
  22. 		//Default to english
  23. 		$language = 'en-us';
  24. 		foreach ($langs as $lang => $val){
  25. 			$language = $lang;
  26. 			break;
  27. 		}
  28.  
  29. 		//////////////////////
  30. 		//Load the Country File
  31. 		//Notes: 
  32. 		//Download the CSV file from http://www.geolocation.com
  33. 		//Rename the CSV to country-en-us.csv (for english version),
  34. 		//country-zh-cn.csv (for chinese simplified version),
  35. 		//country-zh-tw.csv (for chinese traditional version)
  36. 		//and save in the same folder as the php code resided.
  37. 		echo '<select>';
  38. 		$countries = file_get_contents("country-$language.csv");
  39. 		if (preg_match_all('/"(.*?)","(.*?)","(.*?)","(.*?)"/', $countries, $matches)){
  40. 			for($nIdx=1; $nIdx < count($matches[1]); $nIdx++){
  41. 				$alpha2_code = $matches[1][$nIdx];
  42. 				$country_name = $matches[4][$nIdx];
  43. 				//echo $alpha2_code . ',' . $country_name . '<br/>';
  44. 				echo '<option value=' . $alpha2_code . '">' . $country_name . '</option>';
  45. 			}
  46. 		}
  47. 		echo '</select>';
  48.  
  49. 	}
  50. 	else
  51. 		echo 'Unable to locate browser languages';
  52. 	?>
  53. </body>
  54. </html>

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