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@yratof yratof/functions.php
Created Mar 25, 2015

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Advanced Custom Fields - Update Gallery with Gravity Forms
$gravity_form_id = 6; // gravity form id, or replace {$gravity_form_id} below with this number
add_filter("gform_after_submission_{$gravity_form_id}", 'jdn_set_post_acf_gallery_field', 10, 2);
function jdn_set_post_acf_gallery_field($entry, $form)
{
$gf_images_field_id = 42; // the upload field id
$acf_field_id = 'field_54804833b3067'; // the acf gallery field id
// get post
if (isset($entry['post_id'])) {
$post = get_post($entry['post_id']);
if (is_null($post)) return;
}
else {
return;
}
// Clean up images upload and create array for gallery field
if (isset($entry[$gf_images_field_id])) {
$images = stripslashes($entry[$gf_images_field_id]);
$images = json_decode($images, true);
if (!empty($images) && is_array($images)) {
$gallery = array();
foreach($images as $key => $value) {
// NOTE: this is the other function you need: https://gist.github.com/joshuadavidnelson/164a0a0744f0693d5746
if (function_exists('jdn_create_image_id')) $image_id = jdn_create_image_id($value, $post->ID);
if ($image_id) {
$gallery[] = $image_id;
}
}
}
}
// Update gallery field with array
if (!empty($gallery)) {
update_field($acf_field_id, $gallery, $post->ID);
// Updating post
wp_update_post($post);
}
}
/**
* Create the image attachment and return the new media upload id.
*
* @since 1.0.0
* @see http://codex.wordpress.org/Function_Reference/wp_insert_attachment#Example
*/
function jdn_create_image_id( $image_url, $parent_post_id = null ) {
if( !isset( $image_url ) )
return false;
// Cache info on the wp uploads dir
$wp_upload_dir = wp_upload_dir();
// get the file path
$path = parse_url( $image_url, PHP_URL_PATH );
// File base name
$file_base_name = basename( $image_url );
// Full path
if( site_url() != home_url() ) {
$home_path = dirname( dirname( dirname( dirname( dirname( __FILE__ ) ) ) ) );
} else {
$home_path = dirname( dirname( dirname( dirname( __FILE__ ) ) ) );
}
$home_path = untrailingslashit( $home_path );
$uploaded_file_path = $home_path . $path;
// Check the type of file. We'll use this as the 'post_mime_type'.
$filetype = wp_check_filetype( $file_base_name, null );
// error check
if( !empty( $filetype ) && is_array( $filetype ) ) {
// Create attachment title
$post_title = preg_replace( '/\.[^.]+$/', '', $file_base_name );
// Prepare an array of post data for the attachment.
$attachment = array(
'guid' => $wp_upload_dir['url'] . '/' . basename( $uploaded_file_path ),
'post_mime_type' => $filetype['type'],
'post_title' => esc_attr( $post_title ),
'post_content' => '',
'post_status' => 'inherit'
);
// Set the post parent id if there is one
if( !is_null( $parent_post_id ) )
$attachment['post_parent'] = $parent_post_id;
// Insert the attachment.
$attach_id = wp_insert_attachment( $attachment, $uploaded_file_path );
//Error check
if( !is_wp_error( $attach_id ) ) {
//Generate wp attachment meta data
if( file_exists( ABSPATH . 'wp-admin/includes/image.php') && file_exists( ABSPATH . 'wp-admin/includes/media.php') ) {
require_once( ABSPATH . 'wp-admin/includes/image.php' );
require_once( ABSPATH . 'wp-admin/includes/media.php' );
$attach_data = wp_generate_attachment_metadata( $attach_id, $uploaded_file_path );
wp_update_attachment_metadata( $attach_id, $attach_data );
} // end if file exists check
} // end if error check
return $attach_id;
} else {
return false;
} // end if $$filetype
} // end function get_image_id
@paxjah

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commented Oct 10, 2018

Thank you for this!
Confirmed still working with latest versions of GF and ACF :)

@enoversum

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commented Aug 19, 2019

Thank you for this!
Confirmed still working with latest versions of GF and ACF :)

@paxjah Uploads do work, but I get an error messages concerning arrays, am I doing something wrong (using a multi-upload GF field connecting to an ACF gallery field (array)) - am I doing something wrong?

Warning: pathinfo() expects parameter 1 to be string, array given in /xxx/xxx/xxx/xxx/xxxx.de/wp-content/plugins/gravityforms/forms_model.php on line 4375

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