CI-based Web Sites Performance

[eluser]Michael Wales[/eluser]
The reason he chose to move the result_array() call outside of the loop is because PHP runs foreach conditions upon every loop. A call to a function is slightly worse, performance wise, than a variable retrieval.

So, if a function call takes 1ms longer than a variable call, you can definitely see the benefits across 20-30 items you are looping.

I would assume a call to _fetch_assoc would render similar results. The speeds would be comparable to the call to result_array() but you will always be faster references the variable rather than a function call.