Rats. Looks like you can't encapsulate DOM objects in your own
classes. I tried this and the browser 'view source' shows a
completely empty document.
<?php
$x = new MyDom();
$x->createScriptElement('howdy.js');
class MyDom
{
function MyDom()
{
$dom = new DOMDocument('1.0', 'iso-8859-1');
return $this;
}
function createScriptElement($inScriptPath)
{
$script = $this->dom->createElement('script','');
$script->setAttribute('language', 'javascript');
$script->setAttribute('src', 'howdy.js');
$this->dom->appendChild($script);
echo $this->dom->saveXML();
}
}
?>
If the element adding code is in the same function as the dom create,
it works
<?php
$x = new MyDom();
class MyDom
{
function MyDom()
{
$dom = new DOMDocument('1.0', 'iso-8859-1');
$script = $dom->createElement('script','');
$script->setAttribute('language', 'javascript');
$script->setAttribute('src', 'howdy.js');
$dom->appendChild($script);
echo $dom->saveXML();
return $this;
}
}
?>
Also if the DOM object is declared outside the class, and class
functions access it as a global it works
<?php
$dom = new DOMDocument('1.0', 'iso-8859-1');
$x = new MyDom();
$x->createScriptElement('howdy.js');
class MyDom
{
function MyDom()
{
return $this;
}
function createScriptElement($inScriptPath)
{
global $dom;
$script = $dom->createElement('script','');
$script->setAttribute('language', 'javascript');
$script->setAttribute('src', $inScriptPath);
$dom->appendChild($script);
echo $dom->saveXML();
}
}
?>
Would be nice if you could encapsulate it though...
You can probably add an empty text node to the script tag, or a
text node consisting of a single space, or something like that, to
make it use the long form.
--
Jasper Bryant-Greene
Freelance web developer
http://jasper.bryant-greene.name/
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