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@ 2015-10-29T07:38:19Z

<?php
function makeLouder($fn) {
return function($a) use($fn) {
 return $fn($a)."!!!";
};
}
$foo = makeLouder(abs());
echo "<p>".$foo(900)."<br/>".$foo(-900);
$bar = makeLouder(strtoupper());
echo "<p>".$bar("upper");

Output
Performance
VLD
References
Branches

abs: documentation ( source)
strtoupper: documentation ( source)

preferences:dark modelive preview

58.32 ms | 402 KiB | 5 Q