Also, according to various benchmarks around the web, PHP 8 is considerably faster than PHP 7.WordPress is currently the most popular CMS (Content Management System) for designing websites without coding. We have covered the tools available to check PHP 8 compatibility, and I will keep adding more. In addition to security, faster PHP performance is significant because end-users are becoming less tolerant of slow websites and applications. We are all well aware that it’s essential to keep PHP up to date from a security standpoint. For example, if the HTML head contains CSS or JS (not a good practice), the browser could be paralleling those downloads with output_buffering enabled. The recommended setting for this is Off or 4096, depending on your application. You can also set a specific output_buffering size (ex. With output buffering set to OnPHP output buffer saves what would have otherwise hit the web browser into a single string in a buffer. When set to Off (the default), HTML is sent to the browser immediately while PHP processes your scripts. PHP’s output buffer controls how HTML is sent to the browser. Also related to MySQL, depending on your scripts, you can set up PHP Redis or Memcached to reduce MySQL queries. You can view MySQL run-time statistics using the MySQL command line (ex. It should always be disabled unless you have a specific reason to enable it. When enabled (remember to restart PHP), the native code of PHP files is stored in an additional region of OPcache’s shared memory.įor high-traffic web servers running PHP, you can squeeze out additional throughput by setting PHP realpath_cache_size ‘correctly.’ realpath_cache_size = 256kĬheck your php.ini and make sure on your production servers, both of these settings llect_statistics and llect_memory_statistics are disabled. 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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