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<?php // count(false) analogous to count(array(false)) only // false is not cast to an array for counting // default return value is one when counting not null value // note array(null) not null! $a = (array) false; //echo $a; // can't display false cast as an array echo $a[0],"\n"; foreach ($a as $e) { echo $e,"\n"; } echo count(array(null));
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