PHP: Session Variables

Wednesday, 22 October 2008 | Jason Slater

Session variables used to need registering however now they are more in line with _POST variables, so:

On the page to activate Session Handling use

session_start();

You can always check the Session is working by obtaining the Session ID using

… Read More

PHP: Process Technorati API

Friday, 3 October 2008 | Jason Slater

Processing the Technorati API allows you to receive information about your blog and rankings logged with the Technorati service. An example of extracting various pieces of information is here

$url = “www.yourchosendomain.com”; $apikey = “putyourapikeyhere”; $service = “http://api.technorati.com/bloginfo?key=” . $apikey … Read More

PHP: XML element information

Friday, 3 October 2008 | Jason Slater

Obtaining information regarding elements in XML is relatively straight forward

// xml input file $xmldoc = “sitemap.xml”; // test to open file if ( !$dom = domxml_open_file($xmldoc) ) { echo “The file cannot be loaded.”; } else { // show … Read More

PHP: Highlight a keyword in a phrase

Thursday, 14 August 2008 | Jason Slater

PHP Routine to highlight a keyword in any given phrase:

function highlight( $phrase , $keyword) { $parts = explode( strtolower($needle), strtolower($phrase) ); $pos = 0; foreach( $parts as $key=>$part ) { $parts[ $key ] = substr($phrase, $pos, strlen($part)); $pos … Read More

PHP: Select the latest image or file in a folder

Wednesday, 23 July 2008 | Jason Slater

It can be useful to set a placeholder in a web page, such as an image, and for this place holder to be set to be the latest file in a given folder; or to select a random image/file from … Read More