"; print "is nullVar really null? ".is_null($nullVar)."
"; print "is $intVar an integer? ".is_int($intVar).'
'; $aVariable = 1.23; echo $aVariable." a double? ".is_double($aVariable)."
"; settype($aVariable,'string'); print '$aVariable = '.$aVariable.'
'; print "is $aVariable a string? ".is_string($aVariable).'
'; settype($aVariable,'integer'); print 'After setting it to integer $aVariable = '.$aVariable.'
'; settype($aVariable,'boolean'); print 'After setting it to boolean $aVariable = '.$aVariable.'
' .' and is the type test outcome true '. is_bool($aVariable) .'
'; $aVar = 4.56; $temp = $aVar; echo '$temp = '.$temp.' test result is '.is_double($temp).'
'; $temp = (integer)$aVar; echo $temp.' in $temp '.is_int($temp).' '; echo $aVar." still a double? ".is_double($aVar)."
"; ?>