document.open();document.writeln('
');document.writeln('
<?php');document.writeln('function modifyQuery($url, $query) {');document.writeln('	// Convert query string to array');document.writeln('	if (! is_array($query)) {');document.writeln('		parse_str($query, $query);');document.writeln('	}');document.writeln('	');document.writeln('	// Extract the components in a url string');document.writeln('	$components = parse_url($url);');document.writeln('	');document.writeln('	if (! isset($components['query'])) {');document.writeln('		$components['query'] = '';');document.writeln('	}');document.writeln('	parse_str($components['query'], $components['query']);');document.writeln('	');document.writeln('	// Combine the queries');document.writeln('	$components['query'] = array_merge($components['query'], $query);');document.writeln('	');document.writeln('	// Put the components together');document.writeln('	$url = isset($components['host']) ');document.writeln('		? "{$components['scheme']}://{$components['host']}"');document.writeln('		: '/';');document.writeln('	$url .= isset($components['path']) ? $components['path'] : '/';');document.writeln('	$url .= empty($components['query']) ? '' : '?'.http_build_query($components['query']);');document.writeln('	$url .= isset($components['fragment']) ? "#{$components['fragment']}" : '';');document.writeln('	');document.writeln('	return $url;');document.writeln('}');document.writeln('?>');document.writeln('
');document.writeln('');document.writeln('');document.writeln('
');document.close();