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    Can you guarantee that the item you're adding is AFTER the current position? If not, then it won't get processed anyway.
    – Ed Marty
    Commented May 9, 2011 at 2:08
  • It sounds like you would be better off using array_map
    – samshull
    Commented May 9, 2011 at 2:12
  • Ed, yes, an apt point. Mostly this is a stack I'm iterating over, and events early on the stack might add events to be run later.
    – AlexanderJohannesen
    Commented May 9, 2011 at 2:41
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    samshull, not sure how you see a usage for that? Array_map iterates and runs functions over those items, but does not alter the number of items in an array, does it?
    – AlexanderJohannesen
    Commented May 9, 2011 at 2:43
  • Well, I've gone through google.com/codesearch/p?hl=en#EKZaOgYQHwo/unstable/sources/…, and nothing jumps out, except some room for improvement with the Z_ARRVAL_PP implementation (near this comment in the source files; "/* * This is where the magic happens. */" :) Brilliant.
    – AlexanderJohannesen
    Commented May 9, 2011 at 4:51