rfc:php_license_update PHP RFC: PHP License Update Date: 2025-07-10 Proposed Version: PHP 9.0 Status: Under Discussion Introduction PHP has a long history of confusion, concerns, and disagreements regarding its custom open source license, and the Zend Engine License, which covers the sources in the Zend/ directory, adds to this confusion and additionally complicates matters, since it is not an Open Source Initiative Approved License. This RFC proposes a pragmatic simplification to the PHP licens...