Using WordPress ‘edit_tag_form_fields’ PHP action

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The edit_tag_form_fields WordPress PHP action fires after the Edit Tag form fields are displayed, allowing you to add or modify the form fields.

Usage

add_action('edit_tag_form_fields', 'your_custom_function', 10, 1);

function your_custom_function($tag) {
    // Your custom code here
}

Parameters

  • $tag (WP_Term): The current tag term object.

More information

See WordPress Developer Resources: edit_tag_form_fields

Examples

Adding a custom field to the Edit Tag form

This example adds a custom field to the Edit Tag form to store additional information about the tag.

add_action('edit_tag_form_fields', 'add_custom_field_to_edit_tag', 10, 1);

function add_custom_field_to_edit_tag($tag) {
    $term_meta = get_term_meta($tag->term_id, 'custom_field', true);
    ?>
    <tr class="form-field">
        <th scope="row" valign="top"><label for="custom_field">Custom Field</label></th>
        <td>
            <input type="text" name="custom_field" id="custom_field" value="<?php echo esc_attr($term_meta); ?>">
            <p class="description">Enter a custom value for this tag.</p>
        </td>
    </tr>
    <?php
}

Adding a checkbox field to the Edit Tag form

This example adds a custom checkbox field to the Edit Tag form.

add_action('edit_tag_form_fields', 'add_custom_checkbox_to_edit_tag', 10, 1);

function add_custom_checkbox_to_edit_tag($tag) {
    $term_meta = get_term_meta($tag->term_id, 'custom_checkbox', true);
    ?>
    <tr class="form-field">
        <th scope="row" valign="top"><label for="custom_checkbox">Custom Checkbox</label></th>
        <td>
            <input type="checkbox" name="custom_checkbox" id="custom_checkbox" <?php checked($term_meta, '1'); ?>>
            <span class="description">Check this box for custom functionality.</span>
        </td>
    </tr>
    <?php
}