A simple PHP function to clean up user input. It does following: converts & to & converts < to < converts > to > converts “ to " and converts line-breaks to <br /> [ad name=”Adsense – text only”] The Function: function clean($str) { $str = preg_replace(’/&(?!#[0-9]+;)/s’, ‘&’, $str); $str = […]
Tag Archives: code snippet
Check for AJAX Request in PHP
A simple PHP function to check if the request comes from an AJAX XMLHttpRequest.
Detecting Mobile Devices Accessing Your WordPress Site
Mobile web surfing is continuing to evolve on a larger scale. This is why detecting those users who are visiting your WordPress blog through a mobile device and redirecting them to a mobile version of your site is important.
Human readable and by size sorted disk usage (du) in BASH
This is a quick tip to fix a problem that has always bugged me.
When showing disk usage in a human readable form (KB, MB, GB) for each subdirectory using du -sh *, how can you properly sort it by size.