Online PHP editor | rfc for vIOhl

@ 2015-05-04T15:50:54Z

<?
 abstract class StudentManager {
    abstract function getStudent($previousStudent);

    abstract function getStudentCount();
    abstract function setStudentCount($new_count);

    abstract function addStudent($oneStudent);
    abstract function removeStudent($oneStudent);
 }
  
class SingleStudentClass extends StudentManager {
    private $firstName;
    private $lastName;

    function __construct($firstName, $lastName) {
      $this->firstName = $firstName;
      $this->lastName = $lastName;
    }

    function getStudent($studentToGet) {
      if (1 == $studentToGet) {
        return $this->firstName." by ".$this->lastName;
      } else {
        return FALSE;
      }
    }

    function getStudentCount() {
      return 1;
    }

    function setStudentCount($newCount) {
      return FALSE;
    }

    function addStudent($oneStudent) {
      return FALSE;
    }

    function removeStudent($oneStudent) {
      return FALSE;
    }

  }  
  
  
class MultipleStudentsClass extends StudentManager {

    private $oneStudents = array();
    private $studentCount;

    public function __construct() {
      $this->setStudentCount(0);
    }

    public function getStudentCount() {
      return $this->studentCount;
    }
    public function setStudentCount($newCount) {
      $this->studentCount = $newCount;
    }

    public function getStudent($studentToGet) {  
      if ($studentToGet <= $this->studentCount) {
        return $this->oneStudents[$studentToGet]->getStudent(1);
      } else {
        return FALSE;
      }
    }

    public function addStudent($oneStudent) {
      $this->setStudentCount($this->getStudentCount() + 1);
      $this->oneStudents[$this->getStudentCount()] = $oneStudent;
      return $this->getStudentCount();
    }

    public function removeStudent($oneStudent) {
      $counter = 0;
      while (++$counter <= $this->getStudentCount()) {
        if ($oneStudent->getStudent(1) == 
          $this->oneStudents[$counter]->getStudent(1)) {
          for ($x = $counter; $x < $this->getStudentCount(); $x++) {
            $this->oneStudents[$x] = $this->oneStudents[$x + 1];
          }
          $this->setStudentCount($this->getStudentCount() - 1);
        }
      }
      return $this->getStudentCount();
    }

  }
  
  
$firstStudent =  new SingleStudentClass("A","B");
echo $firstStudent->getStudent(1);
echo "<BR>";


$secondStudent = new SingleStudentClass("C", "D");
echo $secondStudent->getStudent(1);
echo "<BR>";

$students = new MultipleStudentsClass();
$studentsCount = $students->addStudent($firstStudent);
echo $students->getStudent($studentsCount);
echo "<BR>";

$studentsCount = $students->addStudent($secondStudent);
echo $students->getStudent($studentsCount);
echo "<BR>";

$studentsCount = $students->removeStudent($firstStudent);
echo $students->getStudentCount();
echo "<BR>";
  
echo $students->getStudent(1);
echo "<BR>";
?>

Output for git.master, git.master_jit, rfc.property-hooks: <? abstract class StudentManager { abstract function getStudent($previousStudent); abstract function getStudentCount(); abstract function setStudentCount($new_count); abstract function addStudent($oneStudent); abstract function removeStudent($oneStudent); } class SingleStudentClass extends StudentManager { private $firstName; private $lastName; function __construct($firstName, $lastName) { $this->firstName = $firstName; $this->lastName = $lastName; } function getStudent($studentToGet) { if (1 == $studentToGet) { return $this->firstName." by ".$this->lastName; } else { return FALSE; } } function getStudentCount() { return 1; } function setStudentCount($newCount) { return FALSE; } function addStudent($oneStudent) { return FALSE; } function removeStudent($oneStudent) { return FALSE; } } class MultipleStudentsClass extends StudentManager { private $oneStudents = array(); private $studentCount; public function __construct() { $this->setStudentCount(0); } public function getStudentCount() { return $this->studentCount; } public function setStudentCount($newCount) { $this->studentCount = $newCount; } public function getStudent($studentToGet) { if ($studentToGet <= $this->studentCount) { return $this->oneStudents[$studentToGet]->getStudent(1); } else { return FALSE; } } public function addStudent($oneStudent) { $this->setStudentCount($this->getStudentCount() + 1); $this->oneStudents[$this->getStudentCount()] = $oneStudent; return $this->getStudentCount(); } public function removeStudent($oneStudent) { $counter = 0; while (++$counter <= $this->getStudentCount()) { if ($oneStudent->getStudent(1) == $this->oneStudents[$counter]->getStudent(1)) { for ($x = $counter; $x < $this->getStudentCount(); $x++) { $this->oneStudents[$x] = $this->oneStudents[$x + 1]; } $this->setStudentCount($this->getStudentCount() - 1); } } return $this->getStudentCount(); } } $firstStudent = new SingleStudentClass("A","B"); echo $firstStudent->getStudent(1); echo " "; $secondStudent = new SingleStudentClass("C", "D"); echo $secondStudent->getStudent(1); echo " "; $students = new MultipleStudentsClass(); $studentsCount = $students->addStudent($firstStudent); echo $students->getStudent($studentsCount); echo " "; $studentsCount = $students->addStudent($secondStudent); echo $students->getStudent($studentsCount); echo " "; $studentsCount = $students->removeStudent($firstStudent); echo $students->getStudentCount(); echo " "; echo $students->getStudent(1); echo " "; ?>

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