mb-admin/scripts/check_opcache.php

<?php
// Check if OPCache is enabled
if (!function_exists('opcache_get_status')) {
    echo json_encode(['status' => 'error', 'message' => 'OPCache is not installed']);
    exit(1);
}

// Get OPCache status
$status = opcache_get_status(false);
if ($status === false) {
    echo json_encode(['status' => 'error', 'message' => 'Failed to get OPCache status']);
    exit(1);
}

// Get OPCache configuration
$config = opcache_get_configuration();
if ($config === false) {
    echo json_encode(['status' => 'error', 'message' => 'Failed to get OPCache configuration']);
    exit(1);
}

// Format the response
$response = [
    'status' => 'success',
    'data' => [
        'enabled' => $config['directives']['opcache.enable'],
        'memory_usage' => [
            'used' => $status['memory_usage']['used_memory'],
            'free' => $status['memory_usage']['free_memory'],
            'wasted' => $status['memory_usage']['wasted_memory'],
            'current_wasted_percentage' => $status['memory_usage']['current_wasted_percentage']
        ],
        'interned_strings_usage' => [
            'buffer_size' => $status['interned_strings_usage']['buffer_size'],
            'used_memory' => $status['interned_strings_usage']['used_memory'],
            'free_memory' => $status['interned_strings_usage']['free_memory'],
            'number_of_strings' => $status['interned_strings_usage']['number_of_strings']
        ],
        'opcache_statistics' => [
            'num_cached_scripts' => $status['opcache_statistics']['num_cached_scripts'],
            'num_cached_keys' => $status['opcache_statistics']['num_cached_keys'],
            'max_cached_keys' => $status['opcache_statistics']['max_cached_keys'],
            'hits' => $status['opcache_statistics']['hits'],
            'misses' => $status['opcache_statistics']['misses'],
            'blacklist_misses' => $status['opcache_statistics']['blacklist_misses'],
            'blacklist_miss_ratio' => $status['opcache_statistics']['blacklist_miss_ratio'],
            'opcache_hit_rate' => $status['opcache_statistics']['opcache_hit_rate']
        ],
        'configuration' => [
            'directives' => $config['directives']
        ]
    ]
];

echo json_encode($response, JSON_PRETTY_PRINT);