How to Async Check Palindrome in PHP - Code Snippet

// Task: Async Check Palindrome
// Language: PHP

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