Apache
Nginx

<?php 
	$lines = apache_headers_directives();
	if ($lines)
	{
	    echo join("\n", $lines);
	    echo "\n\n";
	}
	
	$lines = apache_auth_directives();
	if ($lines)
	{
	   echo join("\n", $lines);
	   echo "\n\n";
	}
	
	$lines = apache_content_encoding_directives();
	if ($lines)
	{
	    echo join("\n", $lines);
	    echo "\n\n";
	}
	
	$lines = apache_expires_directives();
	if ($lines)
	{
	    echo join("\n", $lines);
	    echo "\n\n";
	}
	
	$lines = apache_cookie_security_directives();
	if ($lines)
	{
	    echo join("\n", $lines);
	    echo "\n\n";
	}
	
	$lines = apache_timing_directives();
	echo join("\n", $lines);
	?>

<?php 
	    echo $credentials['auth'];
	    ?>

<?php 
		$lines = nginx_headers_directives();
		if ($lines)
		{
		    echo join("\n", $lines);
		    echo "\n\n";
		}
		
		$lines = nginx_auth_directives();
		if ($lines)
		{
		    echo join("\n", $lines);
		    echo "\n\n";
		}
		
		$lines = nginx_content_encoding_directives();
		if ($lines)
		{
		    echo join("\n", $lines);
		    echo "\n\n";
		}
		
		$lines = nginx_expires_directives();
		if ($lines)
		{
		    echo join("\n", $lines);
		    echo "\n\n";
		}
		
		$lines = nginx_cookie_security_directives();
		if ($lines)
		{
		    echo join("\n", $lines);
		    echo "\n\n";
		}
		
		$lines = nginx_timing_directives();
		if ($lines)
		{
		    echo join("\n", $lines);
		    echo "\n\n";
		}
		?>

<?php 
    	    echo $credentials['auth'];
    	    ?>