gistfile1.txt

add_action( "propertyhive_property_imported_reapit_foundations_json", 'trim_postcode', 10, 2 );
function trim_postcode( $post_id, $property )
{
    $explode_postcode = explode(" ", $property['address']['postcode']);

    $address_fields_array = array_filter(array(
        $property['address']['line1'],
        $property['address']['line2'],
        $property['address']['line3'],
        $property['address']['line4'],
        $explode_postcode[0],
    ));

    $post_title = implode(', ', $address_fields_array);
    
    $my_post = array(
        'ID'          	 => $post_id,
        'post_title'     => wp_strip_all_tags( $post_title ),
        'post_excerpt'   => ( ( isset($property['description']) ) ? $property['description'] : '' ),
        'post_status'    => 'publish',
    );

    // Update the post into the database
    $post_id = wp_update_post( $my_post, true );
}