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Coding

URL Shortening Function

Here is a function I use from time to time in my code which I thought I should share. It allows you to quickly shorten URL’s via 6 popular URL shortening websites.

function shorten_url($url, $service=NULL){
		if($service== 'tinyurl'){return get_link('http://tinyurl.com/api-create.php?url='.urlencode($url));}
		elseif($service == 'urly'){return get_link('http://ur.ly/new.txt?href='.urlencode($url));}
		elseif($service == 'isgd'){return get_link('http://is.gd/api.php?longurl='.urlencode($url));}
		elseif($service == 'klam'){return get_link('http://kl.am/api/shorten/?format=text&url='.urlencode($url));}
		elseif($service == 'unu'){return get_link('http://u.nu/unu-api-simple?url='.urlencode($url));}
		else{return get_link('http://api.tr.im/v1/trim_simple?url='.urlencode($url));}
		return $url;
	}

	function get_link($url){
		if(function_exists('curl_init')){
			$ch = curl_init();
			curl_setopt($ch, CURLOPT_VERBOSE, 1);
			curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
			//curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
			//curl_setopt($ch, CURLOPT_POST, 1);
			curl_setopt($ch, CURLOPT_URL, $url);
			$result = curl_exec($ch);
			$resultArray = curl_getinfo($ch);
			if ($resultArray['http_code'] == 200){
				return $result;
			} else {
				return FALSE;
			}
			curl_close($ch);
		}elseif(ini_get('allow_url_fopen') == 1){
			return fopen($url, 'r');
		}
		return FALSE;
	}

/* Usage */
echo shorten_url('http://www.fullondesign.co.uk/');
// returns: http://tr.im/JPCz

PHP Function: realpath()

One functions I wish I had known about when i start learned PHP is the realpath() function. Pretty much what it does is take symbolic link (such as ‘../’ or ‘/’) and returns a canonicalized absolute link (like ‘/home/public_html/folder’). Here is an example of it in action:

<?php
echo realpath('../');
// Would return: /home/mike/www/blogposts
?>

Creating More User Friendly Forms with jQuery

Create forms on a web page is relatively simple, however what most developers forget is the golden rule of usability, “Users are Idiots”.  In a large number of websites they fail to provide a clear indication of how a form field needs to be formatted. Some even seem to even forget to clear the field when the user clicks into, which is really useful if your website has users with motor skills.

Here is a really neat piece of jQuery I use to make forms a little easier for users which takes little work to integrate (Just copy and paste before the tag).

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