There may be times when a specific order is required in a SQL query which cannot be done using either ASC or DESC or using a special sort field. MySQL has a ORDER BY FIELD function which can be used to do this.
Default installations of Apache usually alias /icons to Apache’s icons directory which cannot be overridden in an .htaccess file. If you do not control the Apache configuration of a server, and for maximum compatibility, it is always best to never have an /icons directory at a website’s root level.
This is a summary of the posts I've written about PHP's file_get_contents functions when used to download remote content (e.g. webpages, XML files, images etc) and the CURL functions which are used to do the same thing.
I recently validated an HTML 5 page using the W3C validator service and was surprised to discover which attributes are required (and not required) for an image input. Note that of course the HTML5 specification is still under development at the time of this post so is subject to change.
This post is more of a reference for myself rather than anything else to solve an issue I was having with DNS lookups on a CentOS machine. It’s how to prevent the /etc/resolv.conf file being overwritten when the system restarts if you have a custom configuration you don’t want changed.
PHP code in a script is commonly delimited by opening <?php and closing ?> tags but there are also the older short open tags like this <? There are instances where you may need to disable short tags as shown in this post and using an Apache .htaccess file.