Category: WordPress Tutorials

  • Separate Logic From Output

    Separate Logic From Output

    Once HTML is defined within a function for output, the HTML will be separated from the logic! In this case the function is defined twice. A function contains only logic and values ​​are returned only as return. The second function will contain HTML, test logic, loops or hooks and outputs values ​​as echo. Ok, the…

  • WordPress constants overview

    WordPress constants overview

    In the backend of WordPress you don’t have an input field for each possible modification. Some are only available via an action or a filter and for some changes you need to define or change a PHP constant. In this article I have listed all constants which WordPress has by nature (except the deprecated ones).

  • Add Icon to Site Link in the WordPress Admin Bar

    Add Icon to Site Link in the WordPress Admin Bar

    Each button in the Admin bar has a self-defining and space-saving icon. But the link to the blog frontend (which is represented as a blog title), has no icon. If you want, you can change it quickly – here is a small solution.

  • Return the Template Name of Current WordPress Page

    Return the Template Name of Current WordPress Page

    WordPress save the assignment in the post_meta table and so it is easy to get the template name with the default function to return post meta data – get_post_meta(). The key for the value is _wp_page_template.

  • Remove Inline Style Of WordPress Gallery Shortcode

    Remove Inline Style Of WordPress Gallery Shortcode

    Today I’ll give you a small tip for the WordPress Gallery. With version 3.1 of WordPress it is possible to replace the inline style of the core, it’s done easily with a Filter-Hook. Use this and include your custom style with the Theme in your frontend; no Plugins, CSS or functions in your Theme for…

  • Advent Calendar – Predefined callback functions for filters

    Advent Calendar – Predefined callback functions for filters

    Filters are often used for removing content. For example, if you want to hide the admin bar you can do the following: function hide_admin_bar() { return FALSE; } add_filter( ‘show_admin_bar’ , ‘hide_admin_bar’ ); It’s a bit tedious to define an additional function just to return “FALSE“. Since version 3.0 WordPress provides various functions to shorten…