Next, you’ll want to add the following to enable JIT: opcache.jit_buffer_size=100M You should already have OPcache enabled via php.ini/opcache.ini: opcache.enable=1 PHP JIT is implemented as part of OPcache.

No command line access? Use an OPcache Control Panel.

Screenshot from CacheTool, a CLI OPcache manager. After you’ve confirmed PHP OPcache is enabled, it’s always nice to view its run-time stats to ensure that everything runs smoothly (ex., no OOM restarts). You can check if OPcache is enabled from phpinfo() output, or from command line using: php -v or php -i | grep opcache.enable. This may be set in the php.ini config file or via the opcache.ini file (ex. PHP 8 Performance tips – php.ini config tweaksįirst things first, something you probably already have enabled in PHP 7: OPcache. In addition to speed, PHP 8.0 delivers new features such as the much anticipated Just In Time (JIT) compiler, other performance optimizations, and built-in/core JSON support, to name a few. PHP 8, the improvements are not that drastic but based on many benchmarks it’s more than enough to be worthwhile.

We know that PHP 7 was at least 2x faster than PHP 5.6. Upgrading doc in the PHP 8’s Github branch.įor example, you run phan with something like: phan -project-root-directory -progress-bar -o phan.out.PHP-Parallel-Lint checks the syntax of PHP files.PHP Compatibility checker for PHP_CodeSniffer.phpstan – PHP Static Analysis and compatibility check.There are some tools available that automate the process of checking your scripts for PHP 8 compatibility. PHP 8 compatibility check with these tools So what are your thoughts? Have you performed a PHP 8 Compatibility Check? Are you ready to upgrade? What are some of the standout features of PHP 8? Let’s have a look. Since then, we’ve had some movement on this front PHP 7 now accounts for more than 60% of installed PHP versions and PHP still holds almost 80% market share of server-side programming languages for websites.Īt the end of 2021, PHP 7.4 will lose active support. A few years ago, I wrote the short article 80% of the web powered by PHP.

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