How to Async RSA Keygen in PHP - Code Snippet

// Task: Async RSA Keygen
// Language: PHP

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