php - Function works when returning true or false but not when returning 0 or 1 - 


function date2_in_the_past($day, $month, $year) {     $datestring = $year . "-" . $month . "-" . $day;     if (date ('y-m-d', strtotime($datestring)) < date('y-m-d', strtotime("now",time()))) {         $b = 1;  **// want $b = true**;     }     else { $b = 0; **// want $b = false;** }      return $b; } //echo date2_in_the_past(24, 10, 2013);     // returns 0

but doesn't return $b = true or $b = false;. idea how make function work assigning $b boolean rather writing '==1' or '==0'?

the problem in echo commented. if want check if variable either true or false should use

var_dump($variable)

instead of 

echo $variable;

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