Content Filters

Here is a simple content filter example function. You can try this out by saving it to a file named inc/app/myapp/lib/Example.php.

<?php

/**
 * This is an example filter that inserts a trademark symbol next to
 * any occurrence of the name "Sitellite".
 *
 * @access public
 * @param string
 * @return string
 * @package Myapp
 */
function myapp_example_content_filter ($body) {
	return str_replace (
		'Sitellite',
		'Sitellite<sup>TM</sup>',
		$body
	);
}

?>

To activate this filter for the body field, add the following line under the [html] block of your modes.php file:

filter 3 = "body: myapp.Example"

Now, wherever the name "Sitellite" appears, you should see a trademark symbol. Note that this example was simplified and doesn't consider whether the "Sitellite" name appears inside an HTML tag attribute. For an example that is HTML-aware, take a look at the lib/Terms.php file in the SiteGlossary app.

Page 1: File Format
Page 2: Content Filters
Page 3: Creating an Alternate Output Mode: DocBook
Page 4: Another Quick Output Mode: PDF

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