[2.x] Add new delay()
function to delay program execution
#72
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This changeset backports #69 from
4.x
to2.x
(see also #71 for same changes in3.x
). Documentation and tests have been updated because only v4 offers anasync()
function that takes advantage of fibers (PHP 8.1+). The v2 version may block the loop, but otherwise offers the same API to provide a smoother upgrade path towards the fiber-baseddelay()
available in v4.Builds on top of #69
Refs #15 and #11