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The comment_form_before hook is a WordPress filter that allows developers to add content before the comment form is displayed. This hook is commonly used to add custom text, links, or even HTML elements that precede the comment form on blog posts or other content types that allow comments.

Developers can use the comment_form_before hook to add anything they want to the comment form section. For instance, they could add a disclaimer or a warning message about the comments section’s rules and regulations. They might also want to include a link to the blog’s comment policy or add some custom HTML elements to spice up the comment form’s appearance.

Here’s an example of how to use the comment_form_before hook to add a custom message above the comment form:

function custom_comment_form_before() {
  echo '<p>Please be respectful and follow our commenting guidelines below.</p>';
add_action( 'comment_form_before', 'custom_comment_form_before' );

In this example, we created a function called custom_comment_form_before that defines the custom message we want to display before the comment form. We then used the add_action function to hook our custom function to the comment_form_before filter. This will cause WordPress to display our custom message before the comment form is displayed.

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WordPress snippets using the comment_form_before hook

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