PHP JIT: Enable or Disable Guide

1 year ago
Ava Mitchell
1 minute

In PHP, a new feature called JIT compiler was introduced from PHP 8.0 version to optimize the performance of PHP code. To enable or disable the JIT compiler, you can set the following option in the php.ini configuration file.

  1. Turn on the JIT compiler.
opcache.jit_buffer_size=100M
opcache.jit=tracing
  1. Disable the JIT compiler.
opcache.jit=off

It is important to note that turning on or off the JIT compiler may have an impact on performance, with the specific effect depending on the characteristics of the code and the runtime environment. It is recommended to evaluate and compare in a testing environment to determine whether the JIT compiler should be turned on or off.

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