How do I handle concurrency

Handling concurrency is a critical aspect of software development, especially in applications that require simultaneous processing or access to shared resources. Here’s a simple example in PHP:

<?php // Create a sample function to demonstrate concurrency function processTask($taskNumber) { // Simulate a task that takes time to process sleep(1); echo "Task $taskNumber completed.<br>"; } // Create multiple processes to handle tasks concurrently for ($i = 1; $i <= 5; $i++) { // Using shell_exec to run a command in the background shell_exec("php -r \"processTask($i);\" > /dev/null &"); } // Wait for all tasks to complete (this is just a manual way, real implementation may vary) sleep(6); echo "All tasks completed!"; ?>

Concurrency PHP multitasking parallel processing shared resources

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