public function _getDiffInHours( $date ){
$usDate = str_replace ( "/" , "-" ,$date);
$now = strtotime("now");
$nextDate = strtotime ( $usDate );
if(! is_numeric( $nextDate ) || ! is_numeric( $now ) || $nextDate < $now ){
return 0;
}
return floor( ($nextDate-$now) / (60*60));
}
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