Professional CodeIgniter

Chapter 9: Security and Performance

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To start off, open up your footer view (/system/application/views/footer.php), and add the following

code to the file:

Copyright < ?php echo date(“Y”);? >

< ?php echo anchor(“welcome/privacy”,”privacy policy”);? >

& nbsp; & nbsp; & nbsp;

< ?php echo anchor(“welcome/verify”,”dashboard”);? >

& nbsp; & nbsp; & nbsp;

< ?php echo $this- > benchmark- > elapsed_time();? >

& nbsp; & nbsp; & nbsp;

< ?php echo $this- > benchmark- > memory_usage();? >

The elapsed_time() function will tell you how much time it took to render a page, from CodeIgniter
framework initialization all the way through final output to the browser. The memory_usage() function
will tell you how much memory was used.

Once you ’ ve loaded the view onto your site, visit one of the category pages. Remember, the home page is
cached, so it ’ s better to visit an uncached page. You should see something like Figure 9 - 3.

Figure 9 - 3

According to the benchmarking functions, it took 0.07 seconds (give or take) to render the page, and it

used 0 memory. (It could also be showing zero because your copy of PHP didn ’ t have - - enable - memory -

limit when it was compiled on the server. If that ’ s the case, and you want to show this kind of data, you