Zebra tables

Last week I was checking out the code of an open source project that used 10 lines of code just to generate a “odd” / “even” string to use as the html class for a table row. This is how I do it in one line:

<?php
for($i=0;$i<10;$i++) {
$row = (!isset($row) [...]

Caching an array to disk

I discovered the var_export function in PHP about a year ago. It is able to return a string that represents the passed variable. The returned string is parsable by PHP.
One way to use this function would be to cache an array to a file.
In example:

export.php
<?php
//will write the array to disk
$ar = array(’test’,'testing’);
$content = var_export($ar,true);
file_put_contents(’cache.php’,"<?php\n\$cache=$content;");
?>
 
import.php
<?php
//will output [...]

Htmlpurifier and the CodeIgniter framework

Intro
HtmlPurifier is a standards-compliant HTML filter library written in PHP. HTML Purifier will not only remove all malicious code (better known as XSS) with a thoroughly audited, secure yet permissive whitelist, it will also make sure your documents are standards compliant.
Although Codeigniter comes with it’s own XSS filtering method $this->input->xss_clean() I prefer the use of [...]