Joomla PHP module - mod_php

You can just copy and paste these codes into mod_php.

Example Snippet: Show a welcome Message to users:

<?php

/**
* Custom code for mod_php. 
* copyright: www.fijiwebdesign.com
* Shows a welcome to the logged in user, or vistor. 
*/

global $my;

if ($my->id) {
	echo 'Hello, '.$my->username;
} else {
	echo 'Hello, visitor';
}

?>

Example Snippet: Display Flickr Photos

<?php

/**
* Example of display flickr photos for a tags list
* Requires: allow_url_fopen enabled in php.ini
*/

/**
* Configurations
*/
// the tags to get photos for
$tags = 'fiji';
// number of pics to show
$total = 5;

// main template
$main_template = '
	<!-- photos for: '.$tags.' -->
	<div class="flickr_photos">
		{photo_template}
	</div>
';
// the html template for each photo item/row
$photo_template = '
		<div class="flickr_photo">
			<img src="{img_src}" width="{img_width}" height="{img_height}" alt="{img_alt}" />
			<h4>
				<a href="{url}" target="_blank">{title}</a>
			</h4>
		</div>
';
// css for our photos styling
$css = '
	<style type="text/css">
	
	.flickr_photo {
		background: #cfcfcf;
		text-align: center;
	}
	
	.flickr_photo img {
		border: 1px solid #000;
	}
	.flickr_photo h3 {
		font-size: 100%;
		font-weight: bold;
		margin: 0px;
		padding: 5px;
	}
	
	</style>
';

/**
* End Configurations
* Start Flickr Feed Request and display
*/

$flickr_feed_url = 'http://api.flickr.com/services/feeds/photos_public.gne?tags='.rawurlencode($tags).'&format=php';
include($flickr_feed_url);

$photos_html = '';
if (isset($feed['items']) && ($count = count($feed['items']))) {
	$n = $count < $total ? $count : $total;
	for($i = 0; $i < $n; $i++) {
		
		$item = $feed['items'][$i];
		$row_html = $photo_template;
		$repl = $item;
		
		// flickr image is in description, so we have to parse it out
		preg_match("/<img src=\"(.*?)\" width=\"(.*?)\" height=\"(.*?)\" alt=\"(.*?)\" (.*?)\/>/ui", $item['description'], $matches);
		if ($matches) {
			$repl['img_html'] = $matches[0];
			$repl['img_src'] = $matches[1];
			$repl['img_width'] = $matches[2];
			$repl['img_height'] = $matches[3];
			$repl['img_alt'] = $matches[4];
		}
		
		foreach($repl as $name=>$value) {
			$row_html = str_replace('{'.$name.'}', $value, $row_html);
		}
		
		$photos_html .= $row_html;
	}
} else {
	echo 'No photos found for, '.htmlentities($tags);
}

$html = str_replace('{photo_template}', $photos_html, $main_template);

// display
echo $css;
echo $html;


// debug
function dump($obj) {
	echo nl2br(str_replace(' ', ' ', htmlentities(print_r($obj, true))));
}
?>