acf/pre_load_meta │ filter-hook │ ACF 5.8.0

Returns an array of "ACF only" meta for the given post_id.

Usage

add_filter( 'acf/pre_load_meta', 'wp_kama_acf_pre_load_meta_filter' );

/**
 * Function for `acf/pre_load_meta` filter-hook.
 * 
 * @param  $post_id 
 *
 * @return 
 */
function wp_kama_acf_pre_load_meta_filter( $post_id ){
	// filter...
	return $post_id;
}

$post_id

-

Changelog

Where the hook is called

$null = apply_filters( 'acf/pre_load_meta', null, $post_id );

Where the hook is used in Advanced Custom Fields PRO

add_filter( 'acf/pre_load_meta', array( $this, 'pre_load_meta' ), 1, 2 );