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That's what I will probably have to do anyway. I know that 'file_get_contents' is real fast from one comparisor I read a while ago but then the question is how fast string exploding is? Is there somewhere a good function to measure function execution time?
get the current time
run it 100000 times
get the current time
take the difference of the two..
crude, yes, but it mostly works.. although processors with big caches will execute subsequent runs very fast compared to the first run.. soo.. with a grain of salt..