Check if Opcache is enabled and show some stats

check-opcache.php

<?php
header('Content-Type: text/plain');
echo "PHP Version: " . phpversion() . "\n\n";
echo "OPCache Enabled: " . (opcache_get_status() ? "Yes" : "No") . "\n\n";

if (opcache_get_status()) {
    $status = opcache_get_status();
    $config = opcache_get_configuration();
    
    echo "Memory Usage: " . round($status['memory_usage']['used_memory'] / (1024*1024), 2) . "MB / " . 
         ($config['directives']['opcache.memory_consumption']) . "MB\n";
    echo "Hit Rate: " . $status['opcache_statistics']['opcache_hit_rate'] . "%\n";
    echo "Cached Scripts: " . $status['opcache_statistics']['num_cached_scripts'] . " / " . 
         $config['directives']['opcache.max_accelerated_files'] . "\n";
    
    if (isset($status['jit'])) {
        echo "\nJIT Enabled: Yes\n";
        echo "JIT Buffer Used: " . round($status['jit']['buffer_used'] / (1024*1024), 2) . "MB / " . 
             round($status['jit']['buffer_size'] / (1024*1024), 2) . "MB\n";
    } else {
        echo "\nJIT Enabled: No\n";
    }
}