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Edward Z. Yang wrote:
While I agree that if interpolation looks nicer then concatenation, you should definitely use it, I don't think the test results mean very much. String interpolation used to be quite slow, but the PHP team managed to speed it up quite a bit from 4.2 to 4.3 to 5 (Schlossnagle 2004).
Argh, that was phrased poorly. What I meant to say is:
I agree that interpolation looks nicer than concatenation, and you should use it whenever it improves readability.
However, I don't think the test results mean very much. (insert rest of message).