acf_form()

Description

Displays a form to add or edit a post. There are many settings available to customize the form and these are set by adding to the $options array as explained below.

You may also register a form using the acf_register_form() function.

Parameters

<?php acf_form( $settings ); ?>

$settings

(String | Array) Array of settings or ‘id’ of a registered form.

  • id
    (String) A unique identifier for the form. Defaults to ‘acf-form’.

    'id' => 'acf-form',
  • post_id
    (Integer | String) The post ID used to determine which fields to show, where data is loaded, and where data is saved. Defaults to current post ID. Can also be sent to ‘new_post’ to create a new post on submit.

    'post_id' => false,
  • new_post
    (Array) When the above attribute is set to “new_post”, this setting is used to create the post. See wp_insert_post for available parameters.

    'new_post' => false,
  • field_groups
    (Array) An array of field group IDs/keys to override the fields displayed in this form.

    'field_groups' => false,
  • fields
    (Array) An array of field IDs/keys to override the fields displayed in this form.

    'fields' => false,
  • post_title
    (Boolean) Whether or not to show the post title text field. Defaults to false.

    'post_title' => false,
  • post_content
    (Boolean) Whether or not to show the post content editor field. Defaults to false.

    'post_content' => false,
  • form
    (Boolean) Whether or not to create a form element. Useful when adding to an existing form. Defaults to true.

    'form' => true,
  • form_attributes
    (Array) An array or HTML attributes for the form element.

    'form_attributes' => array(),
  • return
    (String) The URL to be redirected to after the form is submitted. Defaults to the current URL with a GET parameter ‘?updated=true’.
    A special placeholder ‘%post_url%’ will be converted to post’s permalink.
    A special placeholder ‘%post_id%’ will be converted to post’s ID.

    'return' => '',
  • html_before_fields
    (String) Extra HTML to add before the fields.

    'html_before_fields' => '',
  • html_after_fields
    (String) Extra HTML to add after the fields.

    'html_after_fields' => '',
  • submit_value
    (String) The text displayed on the submit button.

    'submit_value' => __("Update", 'acf'),
  • updated_message
    (String) The message displayed above the form after being redirected. Can also be set to false for no message.

    'updated_message' => __("Post updated", 'acf'),
  • label_placement
    (String) Determines where field labels are places in relation to fields. Defaults to ‘top’. Choices of ‘top’ (above fields) or ‘left’ (beside fields).

    'label_placement' => 'top',
  • instruction_placement
    (String) Determines where field instructions are placed in relation to fields. Defaults to ‘label’. Choice of ‘label’ (below labels) or ‘field’ (below fields).

    'instruction_placement' => 'label',
  • field_el
    (String) Determines element used to wrap a field. Defaults to ‘div’. Choices of ‘div’, ‘tr’, ‘td’, ‘ul’, ‘ol’, ‘dl’.

    'field_el' => 'div',
  • uploader
    (String) Whether to use the WP uploader or a basic input for image and file fields. Defaults to ‘wp’ . Choices of ‘wp’ or ‘basic’.

    'uploader' => 'wp',
  • honeypot
    (Boolean) Whether to include a hidden input field to capture non-human form submission. Defaults to true.

    'honeypot' => true,
  • html_updated_message
    (String) The HTML used to render the updated message.

    'html_updated_message'  => '<div id="message" class="updated"><p>%s</p></div>',
  • html_submit_button
    (String) The HTML used to render the submit button.

    'html_submit_button'  => '<input type="submit" class="acf-button button button-primary button-large" value="%s" />',
  • html_submit_spinner
    (String) The HTML used to render the submit button loading spinner.

    'html_submit_spinner' => '<span class="acf-spinner"></span>',
  • kses
    (Boolean) Whether or not to sanitize all $_POST data with the wp_kses_post() function. Defaults to true.

    'kses' => true

Changelog

  • kses added in version 5.6.5.
  • uploader added in version 5.2.4.
  • honeypot added in version 5.3.4
  • html_updated_message, html_submit_button, and html_submit_spinner added in version 5.5.10

Examples

Editing current post

This example demonstrates how to display a basic form to edit the current post.

page-basic-form.php

<?php acf_form_head(); ?>
<?php get_header(); ?>

<div id="primary" class="content-area">
    <div id="content" class="site-content" role="main">
        <?php while ( have_posts() ) : the_post(); ?>
            <?php acf_form(); ?>
        <?php endwhile; ?>
    </div><!-- #content -->
</div><!-- #primary -->

<?php get_sidebar(); ?>
<?php get_footer(); ?>

Editing a specific post

This example demonstrates how to display a form which edits the meta fields of a specific post.

page-specific-form.php

<?php acf_form_head(); ?>
<?php get_header(); ?>

<div id="primary" class="content-area">
    <div id="content" class="site-content" role="main">
    <?php while ( have_posts() ) : the_post(); ?>
    <?php acf_form(array(
        'post_id'       => 123,
        'post_title'    => false,
        'post_content'  => false,
        'submit_value'  => __('Update meta')
    )); ?>
    <?php endwhile; ?>
    </div><!-- #content -->
</div><!-- #primary -->

<?php get_sidebar(); ?>
<?php get_footer(); ?>

Create a specific post

This example demonstrates how to create a new post when submitting the form.

page-new-form.php

<?php acf_form_head(); ?>
<?php get_header(); ?>

<div id="primary" class="content-area">
    <div id="content" class="site-content" role="main">
    <?php while ( have_posts() ) : the_post(); ?>
    <?php acf_form(array(
        'post_id'       => 'new_post',
        'new_post'      => array(
            'post_type'     => 'event',
            'post_status'   => 'publish'
        ),
        'submit_value'  => 'Create new event'
    )); ?>
    <?php endwhile; ?>
    </div><!-- #content -->
</div><!-- #primary -->

<?php get_sidebar(); ?>
<?php get_footer(); ?>

Notes

Displaying within an AJAX modal

When displaying an ACF form within an AJAX modal (or any other dynamically appended method), please note that the page will require some extra PHP and JavaScript code.

  • PHP
    The following function must be run within the <body> tags and before the “wp_footer” action. This will create a hidden WYSIWYG field and enqueue the required JS templates for the WP media popups.

    // Enqueue uploadedr scripts.
    acf_enqueue_uploader();
  • JS
    The following JS must be run after the AJAX request has completed and new HTML (containing the ACF form) has been appended to the DOM. This will allow ACF to initialize the fields within the newly added HTML.

    // Trigger the append action and provide the newly appended jQuery element.
    acf.do_action('append', $('#popup-id'));

acf_form_head()

It is important to note that whilst the acf_form() function will display a form, it will not process the form when submit. This task is handled by another function called acf_form_head(). To allow the form to save data, you will need to place the acf_form_head() function at the top of your page template before any HTML is rendered.

Security

Since version 5.6.5, ACF uses the wp_kses_post() function to sanitize content and strip out evil scripts. This sanitization can be disabled if needed by changing the form’s kses setting to false.

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