I apologize, I didn't read that comment strictly enough.

No, push is going to grow your array. Try something like: 

for ( 0..4999) {
    $array[$_] = $_;
}

[download]
Although if you really are really tight, you may want to test if a while or C-style loop is faster than building the list of integers.

In reply to Re: Re: array pre-allocation trick by rir
in thread array pre-allocation trick by Anonymous Monk

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