/**
  * check for a specific PHPFunction, return HTML image
  *
  * @param string $function
  * @param string $image return
  * @return bool result
  */
 function check_PHPFunction($function, &$image)
 {
     $result = function_exists($function);
     $image = check_HTML_image($result);
     return $result;
 }
 /**
  * check for a specific PHPFunction, return HTML image
  *
  * @param string $function
  * @param string $image return
  * @return bool result
  */
 function check_PHPFunction($sFunctionName, &$sImage)
 {
     $bExists = function_exists($sFunctionName);
     $sImage = check_HTML_image($bExists);
     return $bExists;
 }