Method load File into an String.

/**
* Method load File into an String.
*
* @return string | false
* @access public
*/
function loadFileToString($File=null) {
 // If file exists load file into String.
 if(file_exists($File)) {
     return implode('',file($File));
 } else {
     return false;
 } // End if-elsed
} // End function