1. Overview
PHP (the case PHP version of this article is 7.1.3) as a dynamic scripting language, its Zend virtual machine execution process is: Read into the script string, through the lexical analyzer to convert it to a word symbol, and then the
OpCode is a part of the computer instruction that specifies the action to be performed, and the format and specification of the instruction is specified by the processor's instruction specification. In addition to the instruction itself, there is
Catalogue
1. OpCode Introduction 2. The Opcode3 in PHP. OpCode translation Execution (instant interpretation execution)
1. OpCode Introduction
OpCode is a part of the computer directive that specifies the action to be performed, and the format
OpCode is a part of the computer directive that specifies the action to be performed, and the format and specification of the instruction is specified by the directive specification of the processor. In addition to the instruction itself, there is
What is NOPNOP? It is a special opcode that indicates an empty operation. It exists in many places, and the meaning of NOP in the Assembly is the same. The null operation in the machine instruction is usually used to align the memory address, to
Reprint Address: in-depth understanding of PHP opcode Caching principleWhat is a opcode cache?When the interpreter finishes parsing the script code, it generates intermediate code that can be run directly, also known as the opcode (Operate
What is a opcode cache?When the interpreter finishes parsing the script code, it generates intermediate code that can be run directly, also known as the opcode (Operate code,opcode). The goal of the Opcode cache is to avoid duplication of
What is a opcode cache?When the interpreter finishes parsing the script code, it generates intermediate code that can be run directly, also known as the opcode (Operate code,opcode). The goal of the Opcode cache is to avoid duplication of
What is a opcode cache?When the interpreter finishes parsing the script code, it generates intermediate code that can be run directly, also known as the opcode (Operate code,opcode). The goal of the Opcode cache is to avoid duplication of
What is opcodeOpCode (operate code) is a part of a computer directive that specifies the action to be performed, and the format and specification of the instruction is specified by the specified specification of the processorOpCode is a PHP
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.