Description:
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It's a simple feature that PHP can have, if just substitute if+return, for 
instance to return+if. It's, change to one-line script.

See test script and read more...

Well, sometimes we need to break function, or while, or foreach, or maybe force 
continue case somethink occur, a condition.

My idea is make this more readable, in an one line script.

Instead of:
if($a < $b) return;

We do:
return if $a < $b;

Or:
return if($a < $b);

Maybe only accept a boolean on return:
return $a < $b;

Then:
return true; // do "return"
return false; // not do

Same to continue:
for($i=0; $i<10; $i++){
  continue $i === 5;
  echo $i . "\n";
}

It's a valid idea? ^o)
Bye.

Test script:
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http://pastebin.com/fEB8eGxf