Useful WordPress Snippets

snippets.php

//Remove Autolinking Comment Hyperlink

remove_filter('comment_text', 'make_clickable', 9);

//Require Minimum Comment Length

add_filter( 'preprocess_comment', 'minimal_comment_length' );
function minimal_comment_length( $commentdata ) {
    $minimalCommentLength = 20;
    if ( strlen( trim( $commentdata['comment_content'] ) ) < $minimalCommentLength ){
    wp_die( 'All comments must be at least ' . $minimalCommentLength . ' characters long.' );
    }
    return $commentdata;
}
    
//Remove the URL Field from WordPress Comments Form
function remove_comment_fields($fields) {
    unset($fields['url']);
    return $fields;
}
add_filter('comment_form_default_fields','remove_comment_fields');