I read someone posting 'I have the philosphy that a
function has exactly one return point.'
It seems to me that always having only one return point
takes away a little power from 'return' making code less
efficient. Compare:
function doSomething($a,$b) {
$returnVal = 1;
if($a==$b) { $returnVal = false; }
if($returnVal !== false) { //didnt we discover that
already?
//do something as we know a and b is what we expect
$returnVal = $a - $b;
}
return $returnVal;
}
with:
function doSomething($a,$b) {
if($a==$b) { return false; //early exit }
//do something as we know a and b is what we expect
return $a-$b;
}
----
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oc.php
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