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With contact form 7, is it possible to populate a DDL (Selection List) with Custom Taxonomy Values? I want the user to be able to click the category they want to refer to from my Custom Post Type.

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Closed 10 years ago.

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With contact form 7, is it possible to populate a DDL (Selection List) with Custom Taxonomy Values? I want the user to be able to click the category they want to refer to from my Custom Post Type.

• custom-taxonomy
• taxonomy
• plugin-contact-form-7

Share Improve this question asked Sep 27, 2013 at 16:19 Howdy_McGee♦Howdy_McGee 20.9k2424 gold badges9191 silver badges177177 bronze badges 3

• Thanks for sharing this solution. Would it be possible to exclude some categories from appearing in the ddl with your code? – user1690536 Commented Mar 4, 2014 at 12:24
• Definitely. You can use get_terms which has tons of options or even WP_Query – Howdy_McGee ♦ Commented Mar 4, 2014 at 14:41
• well I hope the stack overflow folks don't chase us out saying this is specific to wordpress. – Nikhil VJ Commented Feb 11, 2018 at 14:29

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1 Answer 1

Sorted by: Reset to default 11

The following is a more up to date way to dynamically populate the built-in select with options and could easily be extended to support more.

/**
 * Dynamic Select List for Contact Form 7
 * @usage [select name taxonomy:{$taxonomy} ...]
 * 
 * @param Array $tag
 * 
 * @return Array $tag
 */
function dynamic_select_list( $tag ) {

    // Only run on select lists
    if( 'select' !== $tag['type'] && ('select*' !== $tag['type']) ) {
        return $tag;
    } else if ( empty( $tag['options'] ) ) {
        return $tag;
    }

    $term_args = array();

    // Loop thorugh options to look for our custom options
    foreach( $tag['options'] as $option ) {

        $matches = explode( ':', $option );

        if( ! empty( $matches ) ) {

            switch( $matches[0] ) {

                case 'taxonomy':
                    $term_args['taxonomy'] = $matches[1];
                    break;

                case 'parent':
                    $term_args['parent'] = intval( $matches[1] );
                    break;

            }
        }

    }

    // Ensure we have a term arguments to work with
    if( empty( $term_args ) ) {
        return $tag;
    }

    // Merge dynamic arguments with static arguments
    $term_args = array_merge( $term_args, array(
        'hide_empty' => false,
    ) );

    $terms = get_terms( $term_args );

    // Add terms to values
    if( ! empty( $terms ) && ! is_wp_error( $term_args ) ) {

        foreach( $terms as $term ) {

            $tag['values'][] = $term->name;

        }

    }

    return $tag;

}
add_filter( 'wpcf7_form_tag', 'dynamic_select_list', 10 );

---

The below is an older/original way to do this and should be considered outdated.

/** Dynamic List for Contact Form 7 **/
/** Usage: [select name term:taxonomy_name] **/
function dynamic_select_list($tag, $unused){ 
    $options = (array)$tag['options'];

    foreach ($options as $option) 
        if (preg_match('%^term:([-0-9a-zA-Z_]+)$%', $option, $matches)) 
            $term = $matches[1];

    //check if post_type is set
    if(!isset($term))
        return $tag;

    $taxonomy = get_terms($term, array('hide_empty' => 0));

    if (!$taxonomy)  
        return $tag;

    foreach ($taxonomy as $cat) {  
        $tag['raw_values'][] = $cat->name;  
        $tag['values'][] = $cat->name;  
        $tag['labels'][] = $cat->name;
    }

    $tag['raw_values'][] = 'Other';  
    $tag['values'][] = 'Other';  
    $tag['labels'][] = 'Other - Please Specify Below';

    return $tag; 
}
add_filter( 'wpcf7_form_tag', 'dynamic_select_list', 10, 2);