Inicio (en español) HipHop VM ( HHVM ) is a new open-source virtual machine designed for executing programs written in PHP . HHVM uses a just-in-time compilation approach to achieve superior performance while maintaining the flexibility that PHP developers are accustomed to. HipHop VM (and before it HPHPc) has realized >5x increase in throughput for Facebook compared with Zend PHP 5.2. For the latest news about HipHop VM, find us on Facebook and check out our WordPress blog .
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Solace Script Maze is meant to protect PHP scripts from being stolen or modified. It uses only native PHP functions, so no additional extensions are required to execute protected scripts, thus also support PHP 5. The user can define the protection strength, decode password, compression, client and server IP bindings and expiration date, measure decoding time. Protected scripts use code morphing to prevent automatic decoding.