wp_create_file_in_uploads │ action-hook │ ACF 1.0

This action is documented in wp-admin/custom-header.php

Usage

add_action( 'wp_create_file_in_uploads', 'wp_kama_create_file_in_uploads_action', 10, 2 );

/**
 * Function for `wp_create_file_in_uploads` action-hook.
 * 
 * @param string $file          Path to the file.
 * @param int    $attachment_id Attachment ID.
 *
 * @return void
 */
function wp_kama_create_file_in_uploads_action( $file, $attachment_id ){

	// action...
}

$file(string)

Path to the file.

$attachment_id(int)

Attachment ID.

Where the hook is called

do_action( 'wp_create_file_in_uploads', $file, $id ); // For replication

Where the hook is used in Advanced Custom Fields PRO