[php] strtoupper 사용법

[php] strtoupper 사용법

<?php
  $str = "Mary Had A Little Lamb and She LOVED It So";
  $str = strtoupper($str);
  echo $str; // Prints MARY HAD A LITTLE LAMB AND SHE LOVED IT SO
?>

 

참고사이트 : https://www.php.net/manual/en/function.strtoupper.php