26th
JUN

Gzip and cache CSS and Javascript files dynamically for faster page loads

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Posted by Lee under CodeIgniter, Programming

David came across a handy script the other day that we have decided to implement into our CMS that dynamically Gzips and caches CSS and JS files - all without the need to have to change any of your HTML source destinations for those files. As a part of the implementation I also setup the script to work within the standard CodeIgniter cache setup and file structure. Read the rest of this entry »

24th
JUN

List duplicate database queries in CodeIgniter

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Posted by Lee under CodeIgniter, CodeIgniter Libraries, Programming

Sure we all like to think that we’re masters of our code but there does come times that you may not realise a database query (usually from a model) has been duplicated a few times. Sure it’s no big problem but when it comes to optimising your website this is one of the first things I would start hunting down to increase performance of a site - you’ve already got the dataset once so why do you need it again if it hasn’t been changed? Read the rest of this entry »

17th
JUN

Darken or lighten colours dynamically using PHP

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Posted by Lee under Programming

For a recent client’s site we needed to have a function that would be able to darken a given hex colour (eg. #f4129c) on the fly (it was changing the border colour to be darker then the background colour). It took a while to find anything that could remotely do this as many samples seemed to have flaws with certain colours. We also decided to make our own function able to make a colour lighter as well as darker. Read the rest of this entry »

13th
JUN

Get HREF attribute keeps on returning absolute link not relative link

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Posted by Lee under Programming, jQuery

Whilst working on our new Image Manager in Breeze we came across an interesting bug that was causing images to be incorrectly linked to in the editor due to Internet Explorer (IE6 & IE7 intermittently) returning the wrong HREF value for a link. Read the rest of this entry »

The Lab is the web development blog for PX Webdesign that covers many subjects from PHP, CSS, jQuery, CodeIgniter, Design and XHTML / HTML