What are the potential use cases for using sleep() in PHP?

The sleep() function in PHP is used to pause the execution of a script for a specified number of seconds. This can be useful in scenarios where you need to delay the execution of certain tasks, such as simulating a slow network connection, controlling the rate of API requests, or adding a delay between actions in a script. 

// Example usage of sleep() function to delay execution for 5 seconds
echo "Task 1\n";
sleep(5);
echo "Task 2\n";

Keywords

sleep() PHP delay execution timing

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