PHP Shorthand Syntax

A compact (if cryptic) shorthand is useful:

echo "var is ".($var < 0 ? "negative" : "positive");

is equivalent to:

echo "var is ";
if ($var < 0)
echo "negative";
else
echo "positive";

The shorthand can be considered (expression ? true_value : false_value) where 'expression' is evaluated and, if true, the 'true_value' is returned, otherwise the 'false_value' is returned.

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