PHP Manual: Get status information about the cache

Description

arrayfalse opcache_get_status(bool $include_scripts = true)

This function returns state information about the in-memory cache instance. It will not return any information about the file cache.

Parameters

include_scripts: Include script specific state information

Return Values

Returns an array of information, optionally containing script specific state information, or false on failure.

Errors/Exceptions

If opcache.restrict_api is in use and the current path is in violation of the rule, an E_WARNING will be raised; no status information will be returned.

Changelog

Version	Description
PHP 8.3.0	`opcache_get_status()['scripts'][n]['revalidate']` now contains a Unix timestamp of when the next revalidation of the scripts timestamp is due, as dictated by the `opcache.revalidate_freq` INI directive.

Examples

Example #1 A opcache_get_status example

<?php
var_dump(opcache_get_status());
?>

The above example will output something similar to:

array(9) {
  'opcache_enabled' =>
  bool(true)
  'cache_full' =>
  bool(false)
  'restart_pending' =>
  bool(false)
  'restart_in_progress' =>
  bool(false)
  'memory_usage' =>
  array(4) {
    'used_memory' =>
    int(9167936)
    'free_memory' =>
    int(125049792)
    'wasted_memory' =>
    int(0)
    'current_wasted_percentage' =>
    double(0)
  }
  'interned_strings_usage' =>
  array(4) {
    'buffer_size' =>
    int(8388608)
    'used_memory' =>
    int(2593616)
    'free_memory' =>
    int(5794992)
    'number_of_strings' =>
    int(10358)
  }
  'opcache_statistics' =>
  array(13) {
    'num_cached_scripts' =>
    int(0)
    'num_cached_keys' =>
    int(0)
    'max_cached_keys' =>
    int(16229)
    'hits' =>
    int(0)
    'start_time' =>
    int(1733310010)
    'last_restart_time' =>
    int(0)
    'oom_restarts' =>
    int(0)
    'hash_restarts' =>
    int(0)
    'manual_restarts' =>
    int(0)
    'misses' =>
    int(0)
    'blacklist_misses' =>
    int(0)
    'blacklist_miss_ratio' =>
    double(0)
    'opcache_hit_rate' =>
    double(0)
  }
  'scripts' =>
  array(0) {
  }
  'jit' =>
  array(7) {
    'enabled' =>
    bool(false)
    'on' =>
    bool(false)
    'kind' =>
    int(5)
    'opt_level' =>
    int(4)
    'opt_flags' =>
    int(6)
    'buffer_size' =>
    int(0)
    'buffer_free' =>
    int(0)
  }
}

opcache_get_status