woocommerce_get_availability_text │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_get_availability_text', 'wp_kama_woocommerce_get_availability_text_filter', 10, 2 );

/**
 * Function for `woocommerce_get_availability_text` filter-hook.
 * 
 * @param  $availability 
 * @param  $that         
 *
 * @return 
 */
function wp_kama_woocommerce_get_availability_text_filter( $availability, $that ){

	// filter...
	return $availability;
}

$availability

-

$that

-

Where the hook is called

return apply_filters( 'woocommerce_get_availability_text', $availability, $this );

Where the hook is used in WooCommerce