Can PHP Bytecode Be Compiled into Directly Executable Binary Files?

Can Bytecode-Interpreted PHP Be Compiled into Executable Binary Files?

PHP scripts are initially compiled into bytecode before execution. This bytecode is typically cached to avoid repetitive interpretation during subsequent web accesses. However, is it possible to further "compile" PHP code and create a binary-like file that can be directly executed by a bytecode interpreter?

HipHop for PHP (Discontinued)

Facebook's HipHop for PHP was a highly reliable PHP compiler, powering one of the world's largest websites. Unfortunately, it has been discontinued in favor of HHVM, a virtual machine.

Third-Party PHP Compilers

Despite the demise of HipHop, several third-party solutions offer PHP compilation services:

• PeachPie: Compiles PHP to .NET and .NET Core, producing self-contained binary files.
• Phalanger: Compiles PHP to .NET (CIL), although it appears to be discontinued and does not support PHP 7.
• phc: Compiles to native binaries but is not actively maintained.
• Roadsend PHP Compiler: Compiles to native binaries (Windows, Linux), but has been discontinued since 2010.
• bcompiler: Compiles to PHP bytecode, which can be wrapped into a Windows binary that loads the PHP interpreter.
• Project Zero: Compiles to Java bytecode, but appears to be discontinued.
• Bambalam: Compiles to stand-alone Windows binaries, but is also discontinued.
• BinaryPHP: Compiles to C , but has not been active since 2003.

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