What are the potential performance issues with running long-lasting PHP scripts and how can they be mitigated?

Potential performance issues with running long-lasting PHP scripts include memory leaks, resource exhaustion, and decreased server responsiveness. To mitigate these issues, consider breaking up long scripts into smaller tasks, optimizing database queries, using caching mechanisms, and periodically restarting long-running processes. 

// Example of breaking up a long script into smaller tasks using a loop

for ($i = 0; $i < 1000; $i++) {
    // Perform a small task here
}

Keywords

memory leaks timeout caching opcode caching database connection pooling

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