code: public static function isCamelCaps($string, $classFormat = false, $public = true, $strict = true)
      {
  
          // Check the first character first.
          if ($classFormat === false) {
              $legalFirstChar = '';
              if ($public === false) {
                  $legalFirstChar = '[_]';
              }
  
              if ($strict === false) {
                  // Can either start with a lowercase letter,
                  // or multiple uppercase
                  // in a row, representing an acronym.
                  $legalFirstChar .= '([A-Z]{2,}|[a-z])';
              } else {
                  $legalFirstChar .= '[a-z]';
              }
          } else {
              $legalFirstChar = '[A-Z]';
          }
  
          if (preg_match("/^$legalFirstChar/", $string) === 0) {
              return false;
          }
  
          // Check that the name only contains legal characters.
          $legalChars = '[^a-zA-Z0-9\/]';
          if (preg_match("|$legalChars|", substr($string, 1)) > 0) {
              return false;
          }
  
          if ($strict === true) {
              // Check that there are not two capital letters
              // next to each other.
              $length = strlen($string);
              $lastCharWasCaps = $classFormat;
  
              for ($i = 1; $i < $length; $i++) {
                  $ascii = ord($string[$i]);
  
                  if (($ascii >= 48 and $ascii <= 57) or $ascii === 47) {
                      // The character is a number, so it cant be a capital.
                      $isCaps = false;
                  } else {
                      if (strtoupper($string[$i]) === $string[$i]) {
                          $isCaps = true;
                      } else {
                          $isCaps = false;
                      }
                  }
  
                  if ($isCaps === true and $lastCharWasCaps === true) {
                      return false;
                  }
  
                  $lastCharWasCaps = $isCaps;
              }
          }//end if
  
          return true;
      }
docs: @param string $string
  @param bool   $classFormat
  @param bool   $public
  @param bool   $strict
  
  @return bool