Exercise-1, Php - rextester

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<?php //Vaidehi Vaghela rollno:34
/* Create class Person properties are Name, Age, Gender, City. 
another class Patient extends from person properties are blood_pressure, 
glucose, spo2, weight.*/
class person
{
 public $name="Vaidehi";
 public $age="21";
 public $gender="Female";
 public $city="Rajkot";
}
class patient extends person
{
 public $data=array();
 public $blood_pressure;
 public $glucose;
 public $spo2;
 public $weight;
// __construct initial all properties when obejct create.
 public function __construct($glucose)
 {
 $this->blood_pressure=100;
 echo "\n Glucose Level:".$this->glucose=$glucose;
 // echo " ";
 $this->spo2=99;
 $this->weight=60; 
 }
 public function __set($medicine_name,$dose)
 {
 /* __set and __get using this we have to set medicine name and dose based on 
 glucose level. (eg. gliclazide, once_in_day)*/
 $data['medicine_name']=$medicine_name;
 $data['dose']=$dose;
 echo $medicine_name."-".$dose;
 echo"\n";
 }

public function __get($medicine_name)
 {
 /* __set and __get using this we have to set medicine name and dose based on 
 glucose level. (eg. gliclazide, once_in_day)*/
 If(isset($this->data[$medicine_name]))
 {
 
 return $this->data[$medicine_name];
 }
 }
 public function __call(String $check_medicine,array $dosage)
 {
 /* __call if glucose value is high than 200 have to call method check medicine and 
its dose.*/
 if($this->glucose>200)
 {
 echo "\n The method called:".$check_medicine;
 // echo " ";
 echo "\n The dose has to be changed:";
 print_r($dosage);
 echo "\n";

}
  /* __call if glucose level is increasing by 300 it should be change medicine 
        and dose using and set dynamic property.*/

if($this->glucose>300)
 {
 echo "\n The method called when Glucose level greater than 300:";
 // echo " ";
 echo "\n The dose has to be changed:";
 print_r($dosage);
 echo "\n";

}
 }
 public function __invoke()
/* display patient all detail using __invoke method use direct object as function. */
 {
 echo "\n blood_pressure:".$this->blood_pressure=100;
 //echo " ";
 echo "\n spo2:".$this->spo2=99;
 // echo " ";
 echo "\n weight:".$this->weight=60; 
 // echo " ";
 }
/* using clone keyword one patient object to create another same in instance. */
/*__clone using create another object bus change the age and blood pressure value.*/
 public function __clone()
 {
 echo __METHOD__." \n cloning of the object";
 }
 
 
}
$obj=new patient(205);
$obj();
//set method called
echo"\n";
$obj->medicine_name='gliclazide';
$obj->dose='once_in_day';
//get method called
echo"\n";
$obj->medicine_name;
//call method called 
$obj->check_medicine('twice-in-a-day');
//call method called second time
$obj->check_medicine('Gibtulio 5mg','once-in-a-day');
//object cloning
$obj1=clone $obj;
echo"\n";echo "\n";echo "\n";
var_dump('Patient Details:');
var_dump($obj1);
//object cloning,changing age and blood pressure
$duplicate=clone $obj;
var_dump($duplicate);
echo "\n";echo "\n";echo "\n";
echo "\n Changed age:".$duplicate->age="55";
echo"\n Changed BP:".$duplicate->blood_pressure="250";
var_dump($duplicate);

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Absolute running time: 0.18 sec, cpu time: 0.05 sec, memory peak: 25 Mb, absolute service time: 0,34 sec