How to Enable and Utilize PHP OPCache for Performance Boost?

How to Enable and Utilize PHP OPCache

PHP 5.5 introduced OPCache, a code caching module, enhancing performance. However, its documentation may be scarce.

Installation

Enabled by default on PHP5.5 , OPCache requires configuration. Add the following line to your php.ini:

zend_extension=/full/path/to/opcache.so (nix)
zend_extension=C:\path\to\php_opcache.dll (win)

Usage

Retrieving Configuration and Status

var_dump(opcache_get_configuration());
var_dump(opcache_get_status());

Resetting and Invalidating Cache

opcache_reset();
opcache_invalidate('/path/to/script/to/invalidate.php', true);

Maintenance and Reporting

OpCacheGUI

Features:

• Status and configuration management
• Statistics monitoring
• Reset and invalidation capabilities
• Multilingual and mobile support

opcache-status

Features:

• Status, configuration, and statistics
• Single-file execution

opcache-gui

Features:

• Reset, invalidation, and automatic refresh
• Overview and invalidation of cached scripts

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