Preventing RewriteBase - Deploy websites and apps on different locations

So I found a topic on stackexchange (for which unfortunately I can not find the link anymore) that had a question if it was possible to set up RewriteRules for sites in subdirectories. I found this to be an interesting topic, since I deal a lot with those kind of sites.

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wp_page_menu forward compatibility with wp_nav_menu

You’ve styled your wordpress menu’s like the following:

#site-navigation li.menu-item-has-children {
    position: relative;
}

#site-navigation ul.sub-menu {
    position: absolute;
    min-width: 100%;
    top: 100%;
    left: 0;
}
/* etcetera etcetera */

However, when you’ve not set a menu for your menu locations, dropdowns no longer work, current menu items are no longer styled, etcetera, etcetera. How do we fix it?

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WordPress gravatar / avatar bug: comment email instead of admin email

The following can happen:

  1. You make a site for a customer
  2. You insert some comments that your customer provides.
  3. Gravatar uses the admin email instead of the comment author email.

How do you get a gravatar image for the comment email instead of the author email?

You need to write a filter function. the get_avatar filter passes the img code as first param, and the id of the author(you) or an emailaddress as the second.

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ModRewrite Shenanigans

So I am trying to figure out how to set up a router that can set up site hyperlinks that work with a mod_rewrite situation. I really like PATH_INFO for this as I can use this for apps in subdirs (testing environment for example). This way, you can use http://domain.com/controller/action/1 and still have the fallback url working: http://domain.com/index.php/controller/action/1.

If you place the following code in your htaccess, you can enjoy this technique.

#Force Path info in PHP, gets overridden in RewriteRule.
SetEnvIf Request_URI "^/?" PATH_INFO=/
# Mod Rewrite is off by default.
SetEnv MOD_REWRITE 0

<IfModule mod_rewrite.c>

    # Update environment variable with some info. 
    SetEnv MOD_REWRITE 1
    RewriteEngine On

    # Webroot directory relative to index.php
    RewriteBase /

    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteCond %{REQUEST_URI} !^/?(robots\.txt|favicon\.ico|index.php)$
    RewriteRule ^(.*)$ index.php/$1 [QSA,L]
</IfModule>

How does it work?

This way, you can use the following logic in your code to generate a correct url.

  1. Construct a variable to prepend:
    1. Take the directory name of the SCRIPT_NAME environment variable if the MOD_REWRITE environment variable is 1…
    2. … Or take just the SCRIPT_NAME environment variable.
  2. Add a trailing slash if missing.
  3. Add the url to a page you want or use the PATH_INFO environment variable for the current page (canonical links).

A simple but smart dump(debugging) function using var_dump and func_get_args()

Every php developer knows the drill. Dumping debug info while developing. You either love it or you hate it. There are several solutions. In this post I will discuss those and suggest a lightweight alternative.

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