Brad Parbs

Any <code>WPENV_</code> prefixed variables in the <code>.env</code> will be used to override the WordPress options. For example, if you’d like to set a specific environment to “Discourage search engines from indexing this site”, you can add <code>WPENV_BLOG_PUBLIC=0</code> to your <code>.env</code> file.
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Any option in the <code>wp_options</code> table or retrieved by <code>get_option()</code> can be set this way.
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You can define keys either as <code>WPENV_BLOGDESCRIPTION</code> or as <code>WPENV_blogdescription</code>, both will work.
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If you’d like to define the location of your <code>.env</code> file, rather than the plugin looking for it, you can filter <code>dotenv_location</code> to be a directory path.
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You can also change the <code>WPENV_</code> prefix by filtering <code>dotev_key_prefix</code> to be a different prefix.
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dotenv

A WordPress plugin to set WordPress options from a .env file.

jazzigor

theme-configurator is the easiest and most elegant way to add customized options pages to your WordPress theme. No coding required!
Watch a <a href="http://www.l90r.com/posts/theme-configurator" rel="nofollow ugc">video tutorial</a> or read its <a href="http://www.l90r.com/posts/theme-configurator" rel="nofollow ugc">transcript</a>

Theme Configurator

theme-configurator is the easiest and most elegant way to add customized options pages to your Wordpress theme. No coding required!

dotenv vs Theme Configurator