Online PHP editor | output for BQDdH

@ 2020-05-05T09:50:39Z

<?php
class Forms {
  private $_age, $_year;

  public function setAge($age) {
    $this->_age = $age;
  }

  public function getAge() {
    return (is_null($this->_age) || !is_int($this->_age)) ? null : $this->_age;
  }
}

test(21);
test('test');
test(null);

function test($set_to) {
  $form = new Forms();
  $form->setAge($set_to);
  if($age = $form->getAge()) {
    echo 'Age is '.$age.'</br>';
  } else {
    echo 'Age is not valid (null or non-int)</br>';
  }
}

Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0: Age is 21</br>Age is not valid (null or non-int)</br>Age is not valid (null or non-int)</br>
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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