How to Async Get CPU Usage in PHP - Code Snippet

// Task: Async Get CPU Usage
// Language: PHP

function async_get_cpu_usage() {
    // Implementation for Async Get CPU Usage
    $ result = ...; // Initialize variable
    // TODO: Implement core logic here
    // Step 1: Prepare data
    // Step 2: Process Async Get CPU Usage
    echo("Done");
}