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Joomla 2.5 Templates - $this->

Written by Brad Markle
Views: 6,076
Published: Jul 19, 2012
Comments: 1

We are continuing to review Joomla 2.5's Beez2 template code, and we next come accross the following code:

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<?php echo $this->language; ?>" lang="<?php echo $this->language; ?>" dir="<?php echo $this->direction; ?>" >

In our review thus far, we have alread seen instances of $this->, for example:

 

What is $this-> ?

Technically speaking, in PHP $this refers to the current object. PHP will set the contents of $this when you are inside a function of an object.

If we update our template's code as follows, we can see more information about $this:

<? echo "<pre>"; print_r($this); echo "</pre>"; die(); ?>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<?php echo $this->language; ?>" lang="<?php echo $this->language; ?>" dir="<?php echo $this->direction; ?>" >

The output above is quite long, and below we've included the first few lines only:

JDocumentHTML Object
(
    [_links] => Array
        (
            [/joomla25/index.php?format=feed&type=rss] => Array
                (
                    [relation] => alternate
                    [relType] => rel
                    [attribs] => Array
                        (
                            [type] => application/rss+xml
                            [title] => RSS 2.0
                        )

Based upon the first line, $this appears to be referring to the JDocumentHTML Object, which we touched based on in a previous article.

 

When is $this-> used in the Beez2 template?

When scanning the index.php file of the Beez2 template, there are several uses of $this:

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Continued Education in Course 219: Joomla 2.5 Template Development Tutorial
You are viewing Section 7: Joomla 2.5 Templates - $this->
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Section 6: Joomla 2.5 Templates - JFactory::getDocument()
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Section 8: Joomla 2.5 Templates - $this->baseurl
n/a Points
2014-11-23 5:15 am
it' OK

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