Cake\Network\Session::consume PHP Method

    public function consume($name)
    {
        if (empty($name)) {
            return null;
        }
        $value = $this->read($name);
        if ($value !== null) {
            $this->_overwrite($_SESSION, Hash::remove($_SESSION, $name));
        }
        return $value;
    }

 /**
  * Test consuming session data.
  *
  * @return void
  */
 public function testConsume()
 {
     $session = new Session();
     $session->write('Some.string', 'value');
     $session->write('Some.array', ['key1' => 'value1', 'key2' => 'value2']);
     $this->assertEquals('value', $session->read('Some.string'));
     $value = $session->consume('Some.string');
     $this->assertEquals('value', $value);
     $this->assertFalse($session->check('Some.string'));
     $value = $session->consume('');
     $this->assertNull($value);
     $value = $session->consume(null);
     $this->assertNull($value);
     $value = $session->consume('Some.array');
     $expected = ['key1' => 'value1', 'key2' => 'value2'];
     $this->assertEquals($expected, $value);
     $this->assertFalse($session->check('Some.array'));
 }