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I have created a custom post type which doesn't use the_content() to display anything in the front-end, just using echo's.

The user enters data into a text-area field in the plugin admin back-end, the CPT does some data manipulation and everything is output through a template file using a shortcode.

How can I get short-codes to fire when a user enters them into a CPT text-area in the backend admin. I can't see any filters being used. Also since it's an admin area text input field, php snippets won't work.

EDIT:

Perhaps a better question is how to implement the_loop properly in a custom post? My code currently;

<?php
/*
Template Name: Article
*/
?>
<article class="article-single">
    <?php 
        echo do_shortcode('[banner]');

        ... loads of shortcodes to build up html...

        echo do_shortcode('[info]');
    ?>
</article>
  • You want to include the output of a shortcode in your template/function without using the_content()? – karpstrucking Dec 12 '14 at 17:48
  • Yea, pretty much... – myol Dec 12 '14 at 17:50
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You can use the do_shortcode() function for this.

echo do_shortcode( '[your-shortcode including="any" parameters="needed"]' );
  • Edited my answer for clarification. – myol Dec 12 '14 at 17:59
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I ended up writing a basic function which used preg_match_all and preg_replace to find my short-code tags and sanitize the content before building the HTML output for the template page.

In my case, only useful if you have the one short tag being used.

function img_strip($str)
{
    $preg = '/\[\bimg\b\](.*?)\[\/\bimg\b\]/';      
    preg_match_all($preg, $str, $matches);  

    if ($matches) {
        foreach ($matches[1] as $match) {

            $parsed = parse_url($match);

            if (empty( $parsed['scheme'])) {
                $match = '//' . ltrim($match, '/');
            }
            $replace = '<img src="' . $match . '" alt="floating-image" class="image">';
            $str = preg_replace($preg, $replace, $str, 1);
        }   
    }

return $str;
}

In future I will look into implementing the loop in my template with the_content().

  • 1
    WordPress has built in functions for parsing shortcodes in content, I'm sure they would simplify things if it was more clear what you were trying to accomplish. – Milo Dec 13 '14 at 16:42

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