Yorumlarda ekstra bilgi istemek

WordPress sitesinde yorumculardan varsayılan olarak isim, email, web sitesi ve yorum içeriği istenir. Bu alanlarda değişiklik yapmak veya ekstra istenecek bir bilgi için (örneğin -telefon numarası-) bir alan eklenebilir.

Öncelikle eğer kodlarla uğraşmak istemiyorsanız aşağıdaki eklenti işinizi görecektir:

Eğer ben deneyimli kullanıcıyım ve elle kendim yapmak isterim, boşuna sitemde eklenti ağırlığı oluşmasın diyorsanız bu linkte olduğu gibi yorum kısmına ekstra alanlar eklemeniz mümkün.

// Display the phone number field on the front end.
add_filter( 'comment_form_default_fields', 'wpse248957_add_phonenumber_field' );
function wpse248957_add_phonenumber_field( $fields ){
    $fields['phonenumber'] = 
        '<p class="comment-form-phonenumber">' .
            '<label for="phone-number">Phone Number <span class="required">*</span></label>' .
            '<input id="phone-number" name="phone-number" type="tel" ' . 
                'pattern="[\+]\d{2}[\(]\d{3}[\)]\d{3}[\-]\d{4}" ' . 
                'title="Phone Number (Format: +63(123)456-7980)" aria-required="true" required="required"/>' .
        '</p>';
    return $fields;
}

// Add the filter to check whether the comment meta data has been filled
add_filter( 'preprocess_comment', 'wpse248957_verify_comment_meta_data' );
function verify_comment_meta_data( $commentdata ){
  if ( ! isset( $_POST['phone-number'] ) ){
        wp_die( __( 'Error: Please enter your phone number. Hit the Back button ' .
            'on your Web browser and resubmit your comment with a phone number.', 'text_domain' )
        );
   }

  return $commentdata;
}

// Save the comment meta data when saving the comment.
add_action( 'comment_post', 'wpse248957_save_comment_meta_data' );
function wpse248957_save_comment_meta_data( $comment_id ){
  if ( ( isset( $_POST['phone-number'] ) ) && ( $_POST['phone-number'] != '') ){
        $phone_number = wp_filter_nohtml_kses( $_POST['phone-number'] );
        add_comment_meta( $comment_id, 'phone-number', $phone_number );
   }
}

// Register meta box on comment edit screen
add_action( 'add_meta_boxes_comment', 'wpse248957_comment_edit_add_meta_box' );
function wpse248957_comment_edit_add_meta_box(){
    add_meta_box( 'title', __( 'Phone Number', 'text-domain' ), 'wpse248957_comment_meta_box', 'comment', 'normal', 'high' );
}

// Callback function for displaying the comment meta box.
function wpse248957_comment_meta_box( $comment ){
    $phone_number = get_comment_meta( $comment->comment_ID, 'phone-number', true );
    wp_nonce_field( 'wpse248957_comment_fields_update', 'wpse248957_comment_fields_update', false );
    ?>
    <p>
        <label for="phone-number"><?php _e( 'Phone', 'text-domain' ); ?></label>
        <input type="text" name="phone-number" value="<?php echo esc_attr( $phone_number ); ?>" class="widefat"/>
    </p><?php
}

// Update comment meta data from comment editing screen 
add_action( 'edit_comment', 'wpse248957_comment_edit_meta_fields' );
function wpse248957_comment_edit_meta_fields( $comment_id ){
    if ( ! isset( $_POST['wpse248957_comment_fields_update'] ) || 
             ! wp_verify_nonce( $_POST['wpse248957_comment_fields_update'], 'wpse248957_comment_fields_update' )
    ){
        return;
   }

  if ( ( isset( $_POST['phone-number'] ) ) && ( $_POST['phone-number'] != '' ) ){
        $phone_number = wp_filter_nohtml_kses( $_POST['phone-number'] );
        update_comment_meta( $comment_id, 'phone-number', $phone_number );
 }else{
        delete_comment_meta( $comment_id, 'phone-number');
 }
}

// Add phone number custom column to comments listing in admin
add_filter( 'manage_edit-comments_columns', 'wpse248957_manage_comment_columns' );
function wpse248957_manage_comment_columns( $columns ){
    return array_merge( $columns, 
        [ 'phone-number' => __( 'Phone Number', 'text_domain' ) ]
    );
}

// Display phone number custom column in comments listing in admin
add_action( 'manage_comments_custom_column', 'wpse248957_manage_comments_columns', 10, 2 );
function wpse248957_manage_comments_columns( $column, $post_id ){
    switch ( $column ){
        case 'phone-number':
            $phone_number = get_comment_meta( $post_id, 'phone-number', true );
            echo esc_html( $phone_number );
            break;
   }
}

$phone_number = get_comment_meta( $comment->comment_ID, 'phone-number', true );
echo esc_html( $phone_number );