What are the differences in handling simultaneous visitors between PHP 5 and PHP 7?

In PHP 5, handling simultaneous visitors can be inefficient due to its single-threaded nature, which can lead to slower performance and potential bottlenecks. However, PHP 7 introduced significant improvements in performance and scalability, thanks to its new Zend Engine, which allows for better handling of multiple concurrent requests. 

// PHP 7 code snippet to handle simultaneous visitors efficiently
// Use PHP 7's improved performance and scalability to handle multiple concurrent requests

// Your PHP 7 code here

Keywords

PHP 5 PHP 7 concurrency performance scalability

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