Definition of "opcode" []

• A mnemonic used to refer to a microprocessor instruction in assembly language. (noun)

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• "This is done by special PHP extensions knows as opcode caching extensions."
• "You can make it perform better by using tricks such as output caching, recycling the compiled code that's generated at runtime (aka opcode caching) and writing extensions that are essentially bits compiled as C++."
• "I also ended up installing XCache for PHP opcode and var caching, along with the XCache Backend for WP."