Here's the code I'm trying to use.

<input type="button" class="next-step" value="Adopt Now" onClick="parent.location='http://example.com/adoption-application/?Name=[Title]'" />

The shortcode Title is defined.

End link in browser shows as http://example.com/adoption-application/?Name=[Title]

Should show as

http://example.com/adoption-application/?Name=Skeeter (or whatever the current value of [Title] is)

What am I missing to make this work?

  • You need to specify where you are intending to use this code or you will not get an answer you can use.
    – majick
    Feb 8, 2016 at 2:14

3 Answers 3


You can not use a shortcode inside an attribute. You need to make a shortcode that will output the whole element.

  • The problem with this approach is that I need [Title] to be dynamic (it's the title of the page). I guess a better question would be "how do I make it possible to enter a shortcode inside an attribute?" :)
    – rseigel
    Feb 7, 2016 at 17:59
  • You can not use a shortcode inside an attribute, and you should not. This proved to be a vectore for many security problems. Feb 7, 2016 at 18:23
  • maybe I should have asked first where exctly this snippet is being placed, in the editor or template file? Feb 7, 2016 at 18:27

You are using inline JavaScript, so it'll be fine to render shortcode like this;

<input type="button" class="next-step" value="Adopt Now" onClick="parent.location='http://example.com/adoption-application/?Name=<?php echo do_shortcode('[Title]'); ?>'" />
  • 1
    do_shortcode should not be used like this. Shortcodes simply execute a callback function with the provided arguments and content. If you want to execute that callback function in PHP, just call it directly (eg. the_shortcode_callback() instead of do_shortcode('[the_shortcode]')). Don't bother with the regex and other stuff that do_shortcode includes. Feb 7, 2016 at 18:32
  • Why not? Performance issues? Security? The question is about rendering shortcode in an inline JavaScript code. So this is a valid answer. We don't know the evironment, we don't know how many times this code will be called. I don't assumed anything, I just answered the question. Maybe he need everything that do_shortcode function does. How could we know?
    – Emre Erkan
    Feb 7, 2016 at 18:40
  • Unfortunately, where I'm using it won't accept php. :(
    – rseigel
    Feb 7, 2016 at 20:25

If you're entering this directly in the post editor, rather than have the Shortcode return the title, make a Shortcode to return the link with title.

function adoption_link_function(){
    global $post;
    $link = "parent.location='http://example.com/adoption-application/?Name={$post->post_title}'";
    return '<input type="button" class="next-step" value="Adopt Now" onClick="' . $link . '" />';
add_shortcode( 'adoption_link', 'adoption_link_function' );

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