apache2_plugin.inc.php

			return false;
		}
	}

	public function create_relative_link($f, $t) {
		global $app;

		// $from already exists
		$from = realpath($f);

		// realpath requires the traced file to exist - so, lets touch it first, then remove
		@$app->system->unlink($t); touch($t);
		$to = realpath($t);
		@$app->system->unlink($t);

		// Remove from the left side matching path elements from $from and $to
		// and get path elements counts
		$a1 = explode('/', $from); $a2 = explode('/', $to);
		for ($c = 0; $a1[$c] == $a2[$c]; $c++) {
			unset($a1[$c]); unset($a2[$c]);
		}
		$cfrom = implode('/', $a1);

		// Check if a path is fully a subpath of another - no way to create symlink in the case
		if (count($a1) == 0 || count($a2) == 0) return false;

		// Add ($cnt_to-1) number of "../" elements to left side of $cfrom
		for ($c = 0; $c < (count($a2)-1); $c++) { $cfrom = '../'.$cfrom; }

		return symlink($cfrom, $to);
	}

	private function _rewrite_quote($string) {
		return str_replace(array('.', '*', '?', '+'), array('\\.', '\\*', '\\?', '\\+'), $string);
	}

	private function _is_url($string) {
		return preg_match('/^(f|ht)tp(s)?:\/\//i', $string);
	}

	private function get_seo_redirects($web, $prefix = ''){
		$seo_redirects = array();

		if(substr($web['domain'], 0, 2) === '*.') $web['subdomain'] = '*';

		if($web['subdomain'] == 'www' || $web['subdomain'] == '*'){
			if($web['seo_redirect'] == 'non_www_to_www'){
				$seo_redirects[$prefix.'seo_redirect_origin_domain'] = str_replace('.', '\.', $web['domain']);
				$seo_redirects[$prefix.'seo_redirect_target_domain'] = 'www.'.$web['domain'];
				$seo_redirects[$prefix.'seo_redirect_operator'] = '';
			}
			if($web['seo_redirect'] == '*_domain_tld_to_www_domain_tld'){
				// ^(example\.com|(?!\bwww\b)\.example\.com)$
				// ^(example\.com|((?:\w+(?:-\w+)*\.)*)((?!www\.)\w+(?:-\w+)*)(\.example\.com))$
				$seo_redirects[$prefix.'seo_redirect_origin_domain'] = '('.str_replace('.', '\.', $web['domain']).'|((?:\w+(?:-\w+)*\.)*)((?!www\.)\w+(?:-\w+)*)(\.'.str_replace('.', '\.', $web['domain']).'))';
				$seo_redirects[$prefix.'seo_redirect_target_domain'] = 'www.'.$web['domain'];
				$seo_redirects[$prefix.'seo_redirect_operator'] = '';
			}
			if($web['seo_redirect'] == '*_to_www_domain_tld'){
				$seo_redirects[$prefix.'seo_redirect_origin_domain'] = 'www\.'.str_replace('.', '\.', $web['domain']);
				$seo_redirects[$prefix.'seo_redirect_target_domain'] = 'www.'.$web['domain'];
				$seo_redirects[$prefix.'seo_redirect_operator'] = '!';
			}
		}
		if($web['seo_redirect'] == 'www_to_non_www'){
			$seo_redirects[$prefix.'seo_redirect_origin_domain'] = 'www\.'.str_replace('.', '\.', $web['domain']);
			$seo_redirects[$prefix.'seo_redirect_target_domain'] = $web['domain'];
			$seo_redirects[$prefix.'seo_redirect_operator'] = '';
		}
		if($web['seo_redirect'] == '*_domain_tld_to_domain_tld'){
			// ^(.+)\.example\.com$
			$seo_redirects[$prefix.'seo_redirect_origin_domain'] = '(.+)\.'.str_replace('.', '\.', $web['domain']);
			$seo_redirects[$prefix.'seo_redirect_target_domain'] = $web['domain'];
			$seo_redirects[$prefix.'seo_redirect_operator'] = '';
		}
		if($web['seo_redirect'] == '*_to_domain_tld'){
			$seo_redirects[$prefix.'seo_redirect_origin_domain'] = str_replace('.', '\.', $web['domain']);
			$seo_redirects[$prefix.'seo_redirect_target_domain'] = $web['domain'];
			$seo_redirects[$prefix.'seo_redirect_operator'] = '!';
		}
		return $seo_redirects;
	}

} // end class

?>