How to Create custom Shortcode in WordPress

In WordPress, Shortcode is special tags which specified within the [] brackets and use on the page, post, and widget.

  • The code is replaced with some other content when previewing the page.
  • It can also take parameters.
  • Shortcode is flexible and allows you to place it wherever you want.
  • In this tutorial, I will show how you can simply create Shortcode with or without parameters and use in WordPress.
  • In the example, I am creating Shortcodes in the WordPress theme.

Contents

  1. Create Shortcode
  2. Add Shortcode
  3. Add Parameters
  4. With Separate File
  5. Using in PHP file
  6. Conclusion

1. Create Shortcode

  • Open your currently active theme functions.php file.
  • Create a new function messageText_shortcode where process the data and return response. I am returning a simple text response.
  • Now call add_shortcode hook where pass the name of the shortcode and above-created function.

NOTE – The passed shortcode-name is use to access the Shortcode in the page,post, and widget.

Syntax –

Completed Code

2. Add Shortcode

  • Open a page or a post where you want to use the shortcode.
  • Pass the name of shortcode within [] bracket.

Syntax –

  • Use the above-created shortCode.

Output

It will generate the following output –

Welcome to mywebcode.com

3. Add Parameters

Define function

  • Open active theme functions.php file.
  • Create a new function sharePost_shortcode which takes a single parameter.
  • Extract the $atts Array to read values.
  • Directly access the value by the Array key name $share.
  • If the parameter is not defined [sharePost] then the default value is been used.

Add ShortCode

  • Pass the parameters with the shortcode-name in []. Split the parameters by space if they are more than one.

Syntax – 

  • Use the shortcode where pass the share=1.

Output

It will generate the following output when previewing it.
I hope you find this tutorial helpful.
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4. With Separate File

Create a new .php file in the wp-content directory and include in the theme functions.php file to avoid the created shortcode data from remove on the theme upgrade or you wants to use it on any other theme without copy-pasting the same code from one to another.

Steps –

  • Create a new custom_shortcode.php file wp-content/ directory.
  • Add functions and hook with add_shortcode.

  • Include the wp-content/custom_shortcode.php file in the active theme functions.php file.

  • Open a page or post where you want to add and use [] to define.

5. Using in PHP file

To call shortcode in a PHP file using do_shortcode() function.

Pass the shortcode name in the do_shortcode() function within [].

Example –

6. Conclusion

It is not necessary to define shortcodes in the theme functions.php file. You can create a new PHP file and add your shortcodes and use it.

You can also follow the above steps for plugin shortcodes creation.

With shortcode, you can do simple or complex operations like – database manipulation, process data.

I recommend you to create a separate file in wp-content if you change the theme on a regular basis.

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About the Author: Dharmendra Yadav

Dharmendra Yadav is a PHP developer. Dharmendra Yadav background includes B.Tech in Computer Science and Engineering. Currently he is working with CORE PHP, CODEIGNITER, , Laravel, Opencart, JAVASCRIPT, JQUERY, AJAX, WORDPRESS, WEB API technologies , Smarty.

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