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The author prefers using array functions over `foreach` loops in PHP due to clearer communication of intent, encapsulation of functionality within the function, and reduced chances of side effects. Array functions like `array_map`, `array_filter`, and `array_reduce` are highlighted for their clarity and maintainability. While the author acknowledges that loops can be more efficient in certain cases, especially with large datasets or when manipulating multiple variables, array functions generally provide more readable and less error-prone code.

Why I prefer array functions over loops

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I definitely agree with it - for big teams, where people exist doing PHP only all day long. When you have engineers jumping between languages especially in PHP full stack setups, I would prefer the loop, to just get faster into it and see easier whats happening there.

NOTHING will be faster than a regular for() loop

Why are these functions part of the language itself?
Doesn’t PHP have iterators with lazy evaluation?

always use basic “for” loops…they’re faster than all the other functions in both PHP and Javascript anyway. forEach is indeed slower too.
basic for loops are also easier to read and understand in the long term. so future-you will thank you.