I've been coding for over 20 years now! (WOAH, do I feel old)
I've touched just about every resource imaginable under the Sun (too bad they were bought out by Oracle)
Not quite. HHVM was an entirely separate implementation that supported PHP, but then they also forked the language to create HACK, and then dropped PHP language compatibility. HHVM and HACK is not PHP compatible at this point in time, but there was a point in time when there was compatibility.
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Not quite. HHVM was an entirely separate implementation that supported PHP, but then they also forked the language to create HACK, and then dropped PHP language compatibility. HHVM and HACK is not PHP compatible at this point in time, but there was a point in time when there was compatibility.