Zend StudioZend Studio â the PHP IDE for smarter development. It codes faster with up to 3X performance improvements in indexing, validation, searching of PHP code. It has superior PHP 7.1 support, PHP 7.1 express migration assistant, and seamless integration with Zend Server 9. It provides robust debugging capabilities with Xdebug, Zend Debugger, and Z-Ray integration. Zend Studio has an extensive plugin capabilities provided by the large Eclipse eco-system and supports for best-in-class dev tools including Docker and Git Flow Intelligent code editor. Deploy PHP applications on any server including cloud support for Amazon AWS and Microsoft Azure and support for HiDPi displays - scale graphics (ala 4K resolution).
The product requires a subscription to Zend Server Developer, which used to be free and now has an annual fee, but it is still worth the money.
Licensing is reasonable for this type of tool. Although, you can cobble together a solution which is zero cost.