wordpress php shortcode output

Question

I am trying to connect a filepath to my wordpress page. The filepath I am trying to connect to should be:

'/wp-content/themes/bb-theme-child/php/Hello.php'

Hello.php is:

echo "Hello World"

Here is my code that i have written:

/* SHORTCODE TO HAVE FILES */
add_shortcode('data1', function($atts) {
    $atts = 'Some post: ' . include dirname(__Hello.php__) . '/wp-content/themes/bb-theme-child/php/Hello.php';
    echo $atts;
});

Whats strange is the output:

echo "Hello!";Some post: 1

Im not sure what Some post: 1 is, nor the reason why Some post comes AFTER Hello.php

This question already has answers. It's been asked several times... Here's one answer. Wordpress shortcode is always at the top of the content — Howard E
– Howard E, Commented Jul 26, 2022 at 1:09

Cornel Raiu · Accepted Answer · 2022-07-25 21:46:30Z

2

The add_shortcode function requires all the output to be returned not echoed

From the docs: https://developer.wordpress.org/reference/functions/add_shortcode/

Note that the function called by the shortcode should never produce an output of any kind. Shortcode functions should return the text that is to be used to replace the shortcode. Producing the output directly will lead to unexpected results. This is similar to the way filter functions should behave, in that they should not produce unexpected side effects from the call since you cannot control when and where they are called from.

That being said, your shortcode should look like:

add_shortcode('data1', function($atts) {
    ob_start();

    echo 'Some post: ';

    include dirname(__Hello.php__) . '/wp-content/themes/bb-theme-child/php/Hello.php';

    // do more stuff here maybe ?        

    return ob_get_clean();
});

!!! Also, make sure your Hello.php file has an open PHP tag before the echo "Hello World" line.

NOTE: Not sure what is your expected output, but this is how I interpreted your code.

You may learn more about WordPress shortcodes from the official docs or from this article I wrote

edited Jul 25, 2022 at 21:46

answered Jul 25, 2022 at 21:32

Cornel Raiu

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2 Comments

John Lyons Over a year ago

Thank you for your help! However, none of the php code actually runs. Instead, it appears that all of my code that is printed out in Hello.php is just printed out in the word document. It should just say Hello! and not echo Hello!

Cornel Raiu Over a year ago

in your Hello.php, do you have a PHP open tag <?php ?

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