What potential issues can arise when using the sleep function in PHP to delay output?

Potential issues that can arise when using the sleep function in PHP to delay output include slowing down the entire script execution, causing delays for other processes, and potentially leading to a poor user experience. To solve this issue, you can use JavaScript to handle the delay on the client-side without affecting the server-side processing. 

<!DOCTYPE html>
<html>
<head>
    <title>Delay Output</title>
    <script>
        setTimeout(function(){
            document.getElementById('output').innerHTML = 'Delayed output';
        }, 5000); // Delay for 5 seconds
    </script>
</head>
<body>
    <div id="output"></div>
</body>
</html>

Keywords

sleep function delay output performance blocking timeout

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