Relative URLs in WordPress

I think this is the kind of question only a core developer could/should answer. I’ve researched and found the core ticket #17048: URLs delivered to the browser should be root-relative. Where we can find the reasons explained by Andrew Nacin, lead core developer. He also links to this [wp-hackers] thread. On both those links, these … Read more

What does apply_filters(…) actually do in WordPress?

apply_filters($tag, $value) passes the ‘value’ argument to each of the functions ‘hooked’ (using add_filter) into the specified filter ‘tag’. Each function performs some processing on the value and returns a modified value to be passed to the next function in the sequence. For example, by default (in WordPress 2.9) the the_content filter passes the value … Read more

How can I get the current page name in WordPress?

The WordPress global variable $pagename should be available for you. I have just tried with the same setup you specified. $pagename is defined in the file wp-includes/theme.php, inside the function get_page_template(), which is of course is called before your page theme files are parsed, so it is available at any point inside your templates for … Read more

PHP Warning: POST Content-Length of 8978294 bytes exceeds the limit of 8388608 bytes in Unknown on line 0

8388608 bytes is 8M, the default limit in PHP. Update your post_max_size in php.ini to a larger value. upload_max_filesize sets the max file size that a user can upload while post_max_size sets the maximum amount of data that can be sent via a POST in a form. So you can set upload_max_filesize to 1 meg, … Read more