What are some common causes of PHP scripts running for too long?

Common causes of PHP scripts running for too long include inefficient code, large data processing, and excessive database queries. To solve this issue, optimize your code by reducing unnecessary loops, improving database query efficiency, and implementing caching mechanisms where possible. Additionally, consider breaking down large tasks into smaller chunks or implementing timeouts to prevent scripts from running indefinitely. 

// Example code snippet implementing a timeout for a PHP script
set_time_limit(30); // Set a maximum execution time of 30 seconds

// Your PHP script code here

Keywords

max_execution_time infinite loop memory_limit set_time_limit timeout

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