On Thu, 2011-08-04 at 21:17 +0100, Jezz Goodwin wrote:
> :($x)=>$x+1;

":(" looks quite sad. I also assume you know that : is a division. In a
more complex situation this might, on first sight, be mistaken as a
division by $x or such.

Mind that a line of code typically is read way more often than written.
Readability matters. PHP in many areas makes a good thing by having
keywords here and there.

johannes



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