Check even odd in PHP

📔 : PHP 🔗
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<?php
  function check_even_odd($number)
  {
    if($number%2 == 0)
      echo "$number is an even number.";
    else
      echo "$number is an odd number.";
  }

  /*now test*/
  check_even_odd(22);
  echo"<br/>";
  check_even_odd(21);
?>
Output
22 is an even number.
21 is an odd number.

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