} } } class ExpressionCharater extends Expression { public function interpreter($str) { return strtoupper($str); } } class Interpreter { public function execute($string) { $expression = null; for ($i = 0; $i < strlen($string); $i++) { $temp = $string[$i]; switch (true) { case is_numeric($temp): $expression = new ExpressionNum(); break; default: $expression = new ExpressionCharater(); } echo $expression->interpreter($temp); } } } $obj = new Interpreter(); $obj->execute("12345abc");
} } } class ExpressionCharater extends Expression { function interpreter($str) { return strtoupper($str); } } class Interpreter { function execute($string) { $expression = null; for ($i = 0; $i < strlen($string); $i++) { $temp = $string[$i]; switch (true) { case is_numeric($temp): $expression = new ExpressionNum(); break; default: $expression = new ExpressionCharater(); } echo $expression->interpreter($temp); } } } $obj = new Interpreter(); $obj->execute('12345abc');
public static function main() { $obj = new Interpreter(); $obj->execute("12345abcde"); }