[wp-trac] [WordPress Trac] #61825: HTML Duplication in Custom Plugin Output

[WordPress Trac]

#61825: HTML Duplication in Custom Plugin Output
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 Reporter:  eduard34                        |      Owner:  (none)
     Type:  defect (bug)                    |     Status:  new
 Priority:  normal                          |  Milestone:  Awaiting Review
Component:  General                         |    Version:  6.3.1
 Severity:  normal                          |   Keywords:
  Focuses:  performance, php-compatibility  |
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 Hello,

 I've encountered an issue with a custom CRM plugin developed for our
 WordPress site, bestcrmsoftware.com, where the HTML output for a
 comparison table is being duplicated.

 Steps to Reproduce:

 Install the custom CRM plugin on a WordPress site.
 Create a new post or page and use the shortcode [crm_comparison id="123"].
 Preview or publish the page.
 Expected Output:
 The shortcode should generate a single HTML table with the CRM comparison
 details.


 {{{
 <div class="crm-table">
    <table>
       <tr><th>Feature</th><th>CRM 1</th><th>CRM 2</th></tr>
       <tr><td>Pricing</td><td>$25/mo</td><td>$30/mo</td></tr>
       <tr><td>Support</td><td>24/7</td><td>Business Hours</td></tr>
    </table>
 </div>
 }}}


 Actual Output:
 The shortcode generates the table twice, causing duplicate content in the
 HTML output.


 {{{
 <div class="crm-table">
    <table>
       <tr><th>Feature</th><th>CRM 1</th><th>CRM 2</th></tr>
       <tr><td>Pricing</td><td>$25/mo</td><td>$30/mo</td></tr>
       <tr><td>Support</td><td>24/7</td><td>Business Hours</td></tr>
    </table>
    <table>
       <tr><th>Feature</th><th>CRM 1</th><th>CRM 2</th></tr>
       <tr><td>Pricing</td><td>$25/mo</td><td>$30/mo</td></tr>
       <tr><td>Support</td><td>24/7</td><td>Business Hours</td></tr>
    </table>
 </div>
 }}}


 Environment:

 WordPress Version: 6.3.1
 Theme: Twenty Twenty-One
 Plugins: Only the custom CRM plugin activated
 Server: Apache/2.4.46 (Unix)
 PHP Version: 7.4.13


 The issue persists even when all other plugins are deactivated and the
 default theme is used. I’ve also confirmed that the problem is not due to
 any custom modifications in the theme.

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Ticket URL: <https://core.trac.wordpress.org/ticket/61825>
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