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This article mainly explains "how to understand php x86". The content of the explanation is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "how to understand php x86".

Is the word length of the server to be installed by PHP

X86 CISC chips and 32-bit systems for x86

X64 user x86 CISC chip and 64-bit system

CPU is divided into 64-bit and 32-bit. 64-bit instruction sets are different from 32-bit instruction sets.

X64 means that the version is designed for 64 for CPU and X86 means that the version is designed for 32 for CPU. Some small software can combine 32-bit and 64-bit files because the compiled files are small, but some large software is not. In order to reduce the size, they must be separated.

X64 only supports 64-bit CPU and systems, while X86 can support both CPU, but there is a performance penalty on X64 CPU.

The above is the understanding of php x86. I hope it will be helpful to you. More php Learning directions: php tutorials

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