woocommerce_is_purchasable │ filter-hook │ WC 1.0

Returns false if the product cannot be bought.

Usage

add_filter( 'woocommerce_is_purchasable', 'wp_kama_woocommerce_is_purchasable_filter', 10, 2 );

/**
 * Function for `woocommerce_is_purchasable` filter-hook.
 * 
 * @param  $false 
 * @param  $that  
 *
 * @return 
 */
function wp_kama_woocommerce_is_purchasable_filter( $false, $that ){

	// filter...
	return $false;
}

$false

-

$that

-

Where the hook is called

return apply_filters( 'woocommerce_is_purchasable', false, $this );

return apply_filters( 'woocommerce_is_purchasable', $this->exists() && ( ProductStatus::PUBLISH === $this->get_status() || current_user_can( 'edit_post', $this->get_id() ) ) && '' !== $this->get_price(), $this );

return apply_filters( 'woocommerce_is_purchasable', false, $this );

Where the hook is used in WooCommerce