function DOCTYPE

clonemaster

Hello, I want to create a function to select and display the XHTML DOCTYPE, but I'm not quite sure how to do this. Here's what I have so far...

<?php

function DOCTYPE () {

print ("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");

$strict = "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\"
    \"http://www.w3.org/TR/xhtml1/DTD/strict.dtd\">\n";

$trans = "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"
    \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n";

$frames = "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Frameset//EN\"
    \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd\">\n";

print ("<html xmlns=\"http://www.w3.org/1999/xhtml\" lang=\"en\">\n");

}

?>

clonemaster

I want to be able to insert this function into my dynamic header with something like...

<?php

DOCTYPE ($strict);

?>

The variable should refelect which XHTML doctype is printed on the page.

clonemaster

Perhaps this example will better illustrate my question...

<?php

/*

  HEADER FUNCTIONS

*/

// XHTML Strict

function DOCTYPE_Strict () {

print ("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");

print ("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\"
    \"http://www.w3.org/TR/xhtml1/DTD/strict.dtd\">\n");

print ("<html xmlns=\"http://www.w3.org/1999/xhtml\" lang=\"en\">\n");

}

// XHTML Transitional

function DOCTYPE_Transitional () {

print ("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");

print ("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"
    \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n");

print ("<html xmlns=\"http://www.w3.org/1999/xhtml\" lang=\"en\">\n");

}

// XHTML Frameset

function DOCTYPE_Frameset () {

print ("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");

print ("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Frameset//EN\"
    \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd\">\n");

print ("<html xmlns=\"http://www.w3.org/1999/xhtml\" lang=\"en\">\n");

}

?>

I want to some how combine these three functions into a single function. When I call that function from any given page. I want to be able to select which XHTML DOCTYPE is appropriate for that page with a $variable.

Norman_Graham

I've taken your function and I'm working on it. I think the solution is to put the entire doctype statement into one single PRINT statement and put the three varieties into an array numbered 1 to 3. You then just call $doctype[1] etc. I think I screwed up with syntax errors last night - I was tired - but I'll get it to work soon and post my solution.

See ya

Norman

Norman_Graham

Right, I've now got this to work and to include the entire document declaration and header. It's not elegant and I invite anyone with more experience to produce an elegant solution. Here it is.

Create an include file (I just use txt) containing the following (alter or delete the details as you please):

<?php

// Create variables for XHTML dtds

$strict = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\"
\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">\n\n";

$transitional = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"
\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">\n\n";

$frameset = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Frameset//EN\"
\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd\">\n<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">\n\n";

$dtd = array (1 => $strict, $transitional, $frameset); // Create dtd selection

function xhtml_header ($dtd, $title) {

print $dtd;

print "<head><title>" . $title . "</title>\n\n";

print "<meta http-equiv=\"charset\" content=\"iso-8859-1\" />\n";

print "<meta name=\"author\" content=\"Author\" />\n\n";

print "<link rel=\"stylesheet\" type=\"text/css\"\n href=\"stylesheet.css\"></link>\n\n";

print "</head>\n\n";

return;

}

In your actual php/xhtml files, type in the following right at the top. Insert your own title and change the index to 1, 2 or 3, corresponding to strict, transitional or frameset. Of course you can redefine the array to use any index you want:

--------------------------

<?php

include ("XHTMLdoctype_func.txt"); // Access function file

$title = "My title"; // Choose your title

echo (xhtml_header($dtd, $title)); // Call the header function

?>

---------------------------

That's it. Tested on Win98 with Apache 2.0.42, PHP 4.01 and IE5. Anyone want to improve on this?

Best of luck

Norman

clonemaster

Norman, you are my hero! If I were a woman, I'd ask you to marry me.

Thanks

suntra

More simple...

<?php

function DOCTYPE ($type) {

print ("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");

switch($type) {

 case "strict":
      print("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\"
\"http://www.w3.org/TR/xhtml1/DTD/strict.dtd\">\n");
      break;
 case "trans":
      print("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"
\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n");
      break;
 case "frames":
      print("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Frameset//EN\"
\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd\">\n");
      break;
 default:
      print"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"
\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n"); // transitional...
}
print ("<html xmlns=\"http://www.w3.org/1999/xhtml\" lang=\"en\">\n");

}

?>

DOCTYPE("strict") -> strict
DOCTYPE("trans") -> transitional
DOCTYPE("frames") -> frames

tshafer

if you just want to set and print out the DOCTYPE, you could use this function. If you specify no parameters, it automatically prints out the DOCTYPE for XHTML1.0 Transitional

<?php

function set_doctype($code=false, $lang=false, $type=false, $html=false)
{
	/*  You can set the DOCTYPE to either HTML or XHTML with 
		the 'code' variable. You can set the DOCTYPE language with the
		'lang' variable.  You can set the type (Strict, Trans, or Frameset) 
		with the 'type' variable.  You can choose to print the 
		<html xmlns:... tag with any value inserted into the 'html' variable.
	*/
	if (!$code) { $func_code = 'xhtml'; } else { $func_code = strtolower($code); }
	if (!$lang) { $func_lang = 'EN'; } else { $func_lang = strtoupper($lang); }
	if (!$type) { $func_type = 'trans'; } else { $func_type = strtolower($type); }
	if (!$html) { $func_html = ''; } else { 
		if ($func_code == 'html') { $func_html = "<html>\n"; } 
		else { $func_html = "<html xmlns=\"http://www.w3.org/1999/xhtml\" lang=\"" . 
			   strtolower($func_lang) . "\">\n"; }
	}

echo ("<?xml version=\"1.0\" encoding=\"ISO-8859-1\" ?>\n");
switch ($func_code) { 
	case 'html': 
		if ($func_type == 'strict') { 
			echo ("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Strict//" . 
			$func_lang . "\" \"http://www.w3.org/TR/html4/strict.dtd\">\n");
			echo ($func_html);
		} elseif ($func_type == 'trans') { 
			echo ("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//" . 
			$func_lang . "\" \"http://www.w3.org/TR/html4/loose.dtd\">\n");
			echo ($func_html);
		}
		break;

	case 'xhtml': 
		if ($func_type == 'strict') { 
			echo ("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//" . 
			$func_lang . "\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n");
			echo ($func_html);
		} elseif ($func_type == 'trans') { 
			echo ("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//" . 
			$func_lang . "\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n");
			echo ($func_html);
		} elseif ($func_type == 'frameset') { 
			echo ("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD XHTML 1.0 Frameset//" . 
			$func_lang . "\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd\">\n");
			echo ($func_html);
		}
		break;
}
}

set_doctype(false, false, false, true);

?>

clonemaster

Originally posted by suntra
DOCTYPE("strict") -> strict
DOCTYPE("trans") -> transitional
DOCTYPE("frames") -> frames

This is the idea I originally envisioned.

clonemaster

Originally posted by tshafer
If you specify no parameters, it automatically prints out the DOCTYPE for XHTML1.0 Transitional

<?php


/*  You can set the DOCTYPE to either HTML or XHTML with 
	the 'code' variable. You can set the DOCTYPE language with the
	'lang' variable.  You can set the type (Strict, Trans, or Frameset) 
	with the 'type' variable.  You can choose to print the 
	<html xmlns:... tag with any value inserted into the 'html' variable.
*/
?>

[/B]

While using the toilet today I was wondering how this could be done. 😉

clonemaster

I'll be sure to give credit to everyone @ my project home page. http://sourceforge.net/projects/vintagecloning/

Of course my feeble brain needs to come up with a workable version first. 😉

Norman_Graham

Best of luck, Clonemaster. The solutions offered by tshafer and suntra are a vast improvement on what I wrote, although my solution does work in clumsy fashion. I still haven't really mastered writing simple functions - my brain isn't logical enough.

Getting there!

Norman

waxmop

PHP needs to add that set_doctype(...) function to the standard library. It will encourage people to at least consider writing valid code. Thanks to everyone in this thread for creating a working function!