## HTML ($content)

<p>Some text <a href=\"http://google.co.nz\" target='_blank'>link to Google</a>.
			Followed by <a href='http://example.com'>Another Link</a><img src='/some/image.png' alt='Some image'/>.
			<a href='mailto:[email protected]'>Email Me!</a></p>


## Function to deal with content
<?php

public static function create_from_content($content, $source, $fullUrl) {
		//Create trackers for all <a> links
		$aReg = "/\<a.*?href=[\'\"](?:(?:^mailto)(\S*?))[\'\"].*?\>.*?\<\/a\>/";
		$aReplaceReg = "/(\<a.*?href=[\'\"])\S*?([\'\"].*?\>.*?\<\/a\>)/";
		if (preg_match_all($aReg, $content, $matches)) {
			$originals = $matches[0];
			$urls = $matches[1];
			$replacements = array();
			for ($i = 0; $i < count($urls); $i++) {
				$link = self::create($urls[$i], $source);
				$link->write();

				$replacement = '$1' . $fullUrl . $link->Slug . '$2';
				$replacements[] = preg_replace($aReplaceReg, $replacement, $originals[$i]);

			}
			$content = str_replace($originals, $replacements, $content);
		}
		//Create trackers for all <img>
		$imgReg = "/\<img.*?src=[\'\"](\S*?)[\'\"].*?\/\>/";
		$imgReplaceReg = "/(\<img.*?src=[\'\"])\S*?([\'\"].*?\/\>)/";
		if (preg_match_all($imgReg, $content, $matches)) {
			$originals = $matches[0];
			$urls = $matches[1];
			$replacements = array();
			for ($i = 0; $i < count($urls); $i++) {
				$link = self::create($urls[$i], $source, 'DirectDownload');
				$link->write();

				$replacement = '$1' . $fullUrl . $link->Slug . '$2';
				$replacements[] = preg_replace($imgReplaceReg, $replacement, $originals[$i]);

			}
			$content = str_replace($originals, $replacements, $content);
		}
		return $content;

	}