object-oriented-php/index.php at main · hellogracecho/object-oriented-php · GitHub

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<?php
// ** Classes, objects, methods and properties

// ** The $this keyword
// ** indicates that we use the class's own methods and properties, and allows us to have access to them within the class's scope.
// Create and declare Class
class Car {
// add properties
public$comp;
public$color = 'beige';
public$hasSunRoof = true;
public$tank;
private$model = 'N/A';

publicfunction__construct($model = null)
 {
// Only if the model value is passed it will be assigned
if($model) {
$this -> model = $model;
 }
 }

// add methods
publicfunctionhello()
 {
return"Beep I am a <i>" . $this -> comp . "</i>" . ", and I am " . "<i>" . $this -> color . "</i>";
 }

// Add gallons of fuel to the tank when we fill it.
publicfunctionfill($float)
 {
$this -> tank += $float;

return$this;
 }

// Substract gallons of fuel from the tank as we ride the car.
publicfunctionride($float)
 {
$miles = $float;
$gallons = $miles / 50;
$this -> tank -= $gallons;

return$this;
 }

publicfunctiongetModel()
 {
return__CLASS__ . " The car model is {$this -> model}";
 }
}

// ** Declare an inheritance aka child class
//The child class can use the code it inherited from the parent class,
class SportsCar extends Car {
private$style = 'fast and furious';

publicfunctiondriveItWithStyle()
 {
return'Drive a ' . $this -> getModel() . ' <i>' . $this -> style . '</i>';
// return 'Drive a ' . $this -> getModel() . ' <i>' . $this -> style . '</i>';
 }

// override parent Class's method
publicfunctionhello()
 {
return"Brrrrr... <i>" . $this -> comp . "</i>" . ", and I am " . "<i>" . $this -> style . "</i>";
 }

}

$lambo = newSportsCar('LB-007');
echo$lambo -> getModel();
echo'<br>';
echo$lambo -> hello();
echo'<br>';

// Creat instance objects from a class
$bmw = newCar();
$mercedes = newCar();

// Set the values
$bmw -> comp = "BMW";
$bmw -> color = "blue";
$mercedes -> comp = "Mercedes Benz";
$mercedes -> color = "grey";

echo$bmw -> color;
echo'<br>';
echo$mercedes -> comp;
echo'<br>';

// Use the mothods to get a beep
echo$bmw -> hello();
echo'<br>';
echo$mercedes -> hello();

// Use the chaining methodes and properties
$volvo = newCar();
$tank = $volvo -> fill(10) -> ride(40) -> tank;
echo"The number of gallons left in the tank: " . $tank . " gal.";
echo'<br>';

// Access private property using Setter and Getter
$audi = newCar('Hello-192');
echo$audi -> getModel();
echo'<br>';
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<?php
// ** Classes, objects, methods and properties

// ** The $this keyword
// ** indicates that we use the class's own methods and properties, and allows us to have access to them within the class's scope.
// Create and declare Class
class Car {
// add properties
public$comp;
public$color = 'beige';
public$hasSunRoof = true;
public$tank;
private$model = 'N/A';

publicfunction__construct($model = null)
 {
// Only if the model value is passed it will be assigned
if($model) {
$this -> model = $model;
 }
 }

// add methods
publicfunctionhello()
 {
return"Beep I am a <i>" . $this -> comp . "</i>" . ", and I am " . "<i>" . $this -> color . "</i>";
 }

// Add gallons of fuel to the tank when we fill it.
publicfunctionfill($float)
 {
$this -> tank += $float;

return$this;
 }

// Substract gallons of fuel from the tank as we ride the car.
publicfunctionride($float)
 {
$miles = $float;
$gallons = $miles / 50;
$this -> tank -= $gallons;

return$this;
 }

publicfunctiongetModel()
 {
return__CLASS__ . " The car model is {$this -> model}";
 }
}

// ** Declare an inheritance aka child class
//The child class can use the code it inherited from the parent class,
class SportsCar extends Car {
private$style = 'fast and furious';

publicfunctiondriveItWithStyle()
 {
return'Drive a ' . $this -> getModel() . ' <i>' . $this -> style . '</i>';
// return 'Drive a ' . $this -> getModel() . ' <i>' . $this -> style . '</i>';
 }

// override parent Class's method
publicfunctionhello()
 {
return"Brrrrr... <i>" . $this -> comp . "</i>" . ", and I am " . "<i>" . $this -> style . "</i>";
 }

}

$lambo = newSportsCar('LB-007');
echo$lambo -> getModel();
echo'<br>';
echo$lambo -> hello();
echo'<br>';

// Creat instance objects from a class
$bmw = newCar();
$mercedes = newCar();

// Set the values
$bmw -> comp = "BMW";
$bmw -> color = "blue";
$mercedes -> comp = "Mercedes Benz";
$mercedes -> color = "grey";

echo$bmw -> color;
echo'<br>';
echo$mercedes -> comp;
echo'<br>';

// Use the mothods to get a beep
echo$bmw -> hello();
echo'<br>';
echo$mercedes -> hello();

// Use the chaining methodes and properties
$volvo = newCar();
$tank = $volvo -> fill(10) -> ride(40) -> tank;
echo"The number of gallons left in the tank: " . $tank . " gal.";
echo'<br>';

// Access private property using Setter and Getter
$audi = newCar('Hello-192');
echo$audi -> getModel();
echo'<br>';
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<?php
// ** Classes, objects, methods and properties

// ** The $this keyword
// ** indicates that we use the class's own methods and properties, and allows us to have access to them within the class's scope.
// Create and declare Class
class Car {
// add properties
public$comp;
public$color = 'beige';
public$hasSunRoof = true;
public$tank;
private$model = 'N/A';

publicfunction__construct($model = null)
 {
// Only if the model value is passed it will be assigned
if($model) {
$this -> model = $model;
 }
 }

// add methods
publicfunctionhello()
 {
return"Beep I am a <i>" . $this -> comp . "</i>" . ", and I am " . "<i>" . $this -> color . "</i>";
 }

// Add gallons of fuel to the tank when we fill it.
publicfunctionfill($float)
 {
$this -> tank += $float;

return$this;
 }

// Substract gallons of fuel from the tank as we ride the car.
publicfunctionride($float)
 {
$miles = $float;
$gallons = $miles / 50;
$this -> tank -= $gallons;

return$this;
 }

publicfunctiongetModel()
 {
return__CLASS__ . " The car model is {$this -> model}";
 }
}

// ** Declare an inheritance aka child class
//The child class can use the code it inherited from the parent class,
class SportsCar extends Car {
private$style = 'fast and furious';

publicfunctiondriveItWithStyle()
 {
return'Drive a ' . $this -> getModel() . ' <i>' . $this -> style . '</i>';
// return 'Drive a ' . $this -> getModel() . ' <i>' . $this -> style . '</i>';
 }

// override parent Class's method
publicfunctionhello()
 {
return"Brrrrr... <i>" . $this -> comp . "</i>" . ", and I am " . "<i>" . $this -> style . "</i>";
 }

}

$lambo = newSportsCar('LB-007');
echo$lambo -> getModel();
echo'<br>';
echo$lambo -> hello();
echo'<br>';

// Creat instance objects from a class
$bmw = newCar();
$mercedes = newCar();

// Set the values
$bmw -> comp = "BMW";
$bmw -> color = "blue";
$mercedes -> comp = "Mercedes Benz";
$mercedes -> color = "grey";

echo$bmw -> color;
echo'<br>';
echo$mercedes -> comp;
echo'<br>';

// Use the mothods to get a beep
echo$bmw -> hello();
echo'<br>';
echo$mercedes -> hello();

// Use the chaining methodes and properties
$volvo = newCar();
$tank = $volvo -> fill(10) -> ride(40) -> tank;
echo"The number of gallons left in the tank: " . $tank . " gal.";
echo'<br>';

// Access private property using Setter and Getter
$audi = newCar('Hello-192');
echo$audi -> getModel();
echo'<br>';
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<?php
// ** Classes, objects, methods and properties

// ** The $this keyword
// ** indicates that we use the class's own methods and properties, and allows us to have access to them within the class's scope.
// Create and declare Class
class Car {
// add properties
public$comp;
public$color = 'beige';
public$hasSunRoof = true;
public$tank;
private$model = 'N/A';

publicfunction__construct($model = null)
 {
// Only if the model value is passed it will be assigned
if($model) {
$this -> model = $model;
 }
 }

// add methods
publicfunctionhello()
 {
return"Beep I am a <i>" . $this -> comp . "</i>" . ", and I am " . "<i>" . $this -> color . "</i>";
 }

// Add gallons of fuel to the tank when we fill it.
publicfunctionfill($float)
 {
$this -> tank += $float;

return$this;
 }

// Substract gallons of fuel from the tank as we ride the car.
publicfunctionride($float)
 {
$miles = $float;
$gallons = $miles / 50;
$this -> tank -= $gallons;

return$this;
 }

publicfunctiongetModel()
 {
return__CLASS__ . " The car model is {$this -> model}";
 }
}

// ** Declare an inheritance aka child class
//The child class can use the code it inherited from the parent class,
class SportsCar extends Car {
private$style = 'fast and furious';

publicfunctiondriveItWithStyle()
 {
return'Drive a ' . $this -> getModel() . ' <i>' . $this -> style . '</i>';
// return 'Drive a ' . $this -> getModel() . ' <i>' . $this -> style . '</i>';
 }

// override parent Class's method
publicfunctionhello()
 {
return"Brrrrr... <i>" . $this -> comp . "</i>" . ", and I am " . "<i>" . $this -> style . "</i>";
 }

}

$lambo = newSportsCar('LB-007');
echo$lambo -> getModel();
echo'<br>';
echo$lambo -> hello();
echo'<br>';

// Creat instance objects from a class
$bmw = newCar();
$mercedes = newCar();

// Set the values
$bmw -> comp = "BMW";
$bmw -> color = "blue";
$mercedes -> comp = "Mercedes Benz";
$mercedes -> color = "grey";

echo$bmw -> color;
echo'<br>';
echo$mercedes -> comp;
echo'<br>';

// Use the mothods to get a beep
echo$bmw -> hello();
echo'<br>';
echo$mercedes -> hello();

// Use the chaining methodes and properties
$volvo = newCar();
$tank = $volvo -> fill(10) -> ride(40) -> tank;
echo"The number of gallons left in the tank: " . $tank . " gal.";
echo'<br>';

// Access private property using Setter and Getter
$audi = newCar('Hello-192');
echo$audi -> getModel();
echo'<br>';
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<?php
// ** Classes, objects, methods and properties

// ** The $this keyword
// ** indicates that we use the class's own methods and properties, and allows us to have access to them within the class's scope.
// Create and declare Class
class Car {
// add properties
public$comp;
public$color = 'beige';
public$hasSunRoof = true;
public$tank;
private$model = 'N/A';

publicfunction__construct($model = null)
 {
// Only if the model value is passed it will be assigned
if($model) {
$this -> model = $model;
 }
 }

// add methods
publicfunctionhello()
 {
return"Beep I am a <i>" . $this -> comp . "</i>" . ", and I am " . "<i>" . $this -> color . "</i>";
 }

// Add gallons of fuel to the tank when we fill it.
publicfunctionfill($float)
 {
$this -> tank += $float;

return$this;
 }

// Substract gallons of fuel from the tank as we ride the car.
publicfunctionride($float)
 {
$miles = $float;
$gallons = $miles / 50;
$this -> tank -= $gallons;

return$this;
 }

publicfunctiongetModel()
 {
return__CLASS__ . " The car model is {$this -> model}";
 }
}

// ** Declare an inheritance aka child class
//The child class can use the code it inherited from the parent class,
class SportsCar extends Car {
private$style = 'fast and furious';

publicfunctiondriveItWithStyle()
 {
return'Drive a ' . $this -> getModel() . ' <i>' . $this -> style . '</i>';
// return 'Drive a ' . $this -> getModel() . ' <i>' . $this -> style . '</i>';
 }

// override parent Class's method
publicfunctionhello()
 {
return"Brrrrr... <i>" . $this -> comp . "</i>" . ", and I am " . "<i>" . $this -> style . "</i>";
 }

}

$lambo = newSportsCar('LB-007');
echo$lambo -> getModel();
echo'<br>';
echo$lambo -> hello();
echo'<br>';

// Creat instance objects from a class
$bmw = newCar();
$mercedes = newCar();

// Set the values
$bmw -> comp = "BMW";
$bmw -> color = "blue";
$mercedes -> comp = "Mercedes Benz";
$mercedes -> color = "grey";

echo$bmw -> color;
echo'<br>';
echo$mercedes -> comp;
echo'<br>';

// Use the mothods to get a beep
echo$bmw -> hello();
echo'<br>';
echo$mercedes -> hello();

// Use the chaining methodes and properties
$volvo = newCar();
$tank = $volvo -> fill(10) -> ride(40) -> tank;
echo"The number of gallons left in the tank: " . $tank . " gal.";
echo'<br>';

// Access private property using Setter and Getter
$audi = newCar('Hello-192');
echo$audi -> getModel();
echo'<br>';
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<?php
// ** Classes, objects, methods and properties

// ** The $this keyword
// ** indicates that we use the class's own methods and properties, and allows us to have access to them within the class's scope.
// Create and declare Class
class Car {
// add properties
public$comp;
public$color = 'beige';
public$hasSunRoof = true;
public$tank;
private$model = 'N/A';

publicfunction__construct($model = null)
 {
// Only if the model value is passed it will be assigned
if($model) {
$this -> model = $model;
 }
 }

// add methods
publicfunctionhello()
 {
return"Beep I am a <i>" . $this -> comp . "</i>" . ", and I am " . "<i>" . $this -> color . "</i>";
 }

// Add gallons of fuel to the tank when we fill it.
publicfunctionfill($float)
 {
$this -> tank += $float;

return$this;
 }

// Substract gallons of fuel from the tank as we ride the car.
publicfunctionride($float)
 {
$miles = $float;
$gallons = $miles / 50;
$this -> tank -= $gallons;

return$this;
 }

publicfunctiongetModel()
 {
return__CLASS__ . " The car model is {$this -> model}";
 }
}

// ** Declare an inheritance aka child class
//The child class can use the code it inherited from the parent class,
class SportsCar extends Car {
private$style = 'fast and furious';

publicfunctiondriveItWithStyle()
 {
return'Drive a ' . $this -> getModel() . ' <i>' . $this -> style . '</i>';
// return 'Drive a ' . $this -> getModel() . ' <i>' . $this -> style . '</i>';
 }

// override parent Class's method
publicfunctionhello()
 {
return"Brrrrr... <i>" . $this -> comp . "</i>" . ", and I am " . "<i>" . $this -> style . "</i>";
 }

}

$lambo = newSportsCar('LB-007');
echo$lambo -> getModel();
echo'<br>';
echo$lambo -> hello();
echo'<br>';

// Creat instance objects from a class
$bmw = newCar();
$mercedes = newCar();

// Set the values
$bmw -> comp = "BMW";
$bmw -> color = "blue";
$mercedes -> comp = "Mercedes Benz";
$mercedes -> color = "grey";

echo$bmw -> color;
echo'<br>';
echo$mercedes -> comp;
echo'<br>';

// Use the mothods to get a beep
echo$bmw -> hello();
echo'<br>';
echo$mercedes -> hello();

// Use the chaining methodes and properties
$volvo = newCar();
$tank = $volvo -> fill(10) -> ride(40) -> tank;
echo"The number of gallons left in the tank: " . $tank . " gal.";
echo'<br>';

// Access private property using Setter and Getter
$audi = newCar('Hello-192');
echo$audi -> getModel();
echo'<br>';
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<?php
// ** Classes, objects, methods and properties

// ** The $this keyword
// ** indicates that we use the class's own methods and properties, and allows us to have access to them within the class's scope.
// Create and declare Class
class Car {
// add properties
public$comp;
public$color = 'beige';
public$hasSunRoof = true;
public$tank;
private$model = 'N/A';

publicfunction__construct($model = null)
 {
// Only if the model value is passed it will be assigned
if($model) {
$this -> model = $model;
 }
 }

// add methods
publicfunctionhello()
 {
return"Beep I am a <i>" . $this -> comp . "</i>" . ", and I am " . "<i>" . $this -> color . "</i>";
 }

// Add gallons of fuel to the tank when we fill it.
publicfunctionfill($float)
 {
$this -> tank += $float;

return$this;
 }

// Substract gallons of fuel from the tank as we ride the car.
publicfunctionride($float)
 {
$miles = $float;
$gallons = $miles / 50;
$this -> tank -= $gallons;

return$this;
 }

publicfunctiongetModel()
 {
return__CLASS__ . " The car model is {$this -> model}";
 }
}

// ** Declare an inheritance aka child class
//The child class can use the code it inherited from the parent class,
class SportsCar extends Car {
private$style = 'fast and furious';

publicfunctiondriveItWithStyle()
 {
return'Drive a ' . $this -> getModel() . ' <i>' . $this -> style . '</i>';
// return 'Drive a ' . $this -> getModel() . ' <i>' . $this -> style . '</i>';
 }

// override parent Class's method
publicfunctionhello()
 {
return"Brrrrr... <i>" . $this -> comp . "</i>" . ", and I am " . "<i>" . $this -> style . "</i>";
 }

}

$lambo = newSportsCar('LB-007');
echo$lambo -> getModel();
echo'<br>';
echo$lambo -> hello();
echo'<br>';

// Creat instance objects from a class
$bmw = newCar();
$mercedes = newCar();

// Set the values
$bmw -> comp = "BMW";
$bmw -> color = "blue";
$mercedes -> comp = "Mercedes Benz";
$mercedes -> color = "grey";

echo$bmw -> color;
echo'<br>';
echo$mercedes -> comp;
echo'<br>';

// Use the mothods to get a beep
echo$bmw -> hello();
echo'<br>';
echo$mercedes -> hello();

// Use the chaining methodes and properties
$volvo = newCar();
$tank = $volvo -> fill(10) -> ride(40) -> tank;
echo"The number of gallons left in the tank: " . $tank . " gal.";
echo'<br>';

// Access private property using Setter and Getter
$audi = newCar('Hello-192');
echo$audi -> getModel();
echo'<br>';
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<?php
// ** Classes, objects, methods and properties

// ** The $this keyword
// ** indicates that we use the class's own methods and properties, and allows us to have access to them within the class's scope.
// Create and declare Class
class Car {
// add properties
public$comp;
public$color = 'beige';
public$hasSunRoof = true;
public$tank;
private$model = 'N/A';

publicfunction__construct($model = null)
 {
// Only if the model value is passed it will be assigned
if($model) {
$this -> model = $model;
 }
 }

// add methods
publicfunctionhello()
 {
return"Beep I am a <i>" . $this -> comp . "</i>" . ", and I am " . "<i>" . $this -> color . "</i>";
 }

// Add gallons of fuel to the tank when we fill it.
publicfunctionfill($float)
 {
$this -> tank += $float;

return$this;
 }

// Substract gallons of fuel from the tank as we ride the car.
publicfunctionride($float)
 {
$miles = $float;
$gallons = $miles / 50;
$this -> tank -= $gallons;

return$this;
 }

publicfunctiongetModel()
 {
return__CLASS__ . " The car model is {$this -> model}";
 }
}

// ** Declare an inheritance aka child class
//The child class can use the code it inherited from the parent class,
class SportsCar extends Car {
private$style = 'fast and furious';

publicfunctiondriveItWithStyle()
 {
return'Drive a ' . $this -> getModel() . ' <i>' . $this -> style . '</i>';
// return 'Drive a ' . $this -> getModel() . ' <i>' . $this -> style . '</i>';
 }

// override parent Class's method
publicfunctionhello()
 {
return"Brrrrr... <i>" . $this -> comp . "</i>" . ", and I am " . "<i>" . $this -> style . "</i>";
 }

}

$lambo = newSportsCar('LB-007');
echo$lambo -> getModel();
echo'<br>';
echo$lambo -> hello();
echo'<br>';

// Creat instance objects from a class
$bmw = newCar();
$mercedes = newCar();

// Set the values
$bmw -> comp = "BMW";
$bmw -> color = "blue";
$mercedes -> comp = "Mercedes Benz";
$mercedes -> color = "grey";

echo$bmw -> color;
echo'<br>';
echo$mercedes -> comp;
echo'<br>';

// Use the mothods to get a beep
echo$bmw -> hello();
echo'<br>';
echo$mercedes -> hello();

// Use the chaining methodes and properties
$volvo = newCar();
$tank = $volvo -> fill(10) -> ride(40) -> tank;
echo"The number of gallons left in the tank: " . $tank . " gal.";
echo'<br>';

// Access private property using Setter and Getter
$audi = newCar('Hello-192');
echo$audi -> getModel();
echo'<br>';