echo "<!DOCTYPE html><html><head><meta charset='utf-8'><meta name='viewport' content='width=device-width, initial-scale=1'><!--[if lt IE 9]><meta http-equiv='X-UA ...
PHP (Hypertext Preprocessor) is a widely used server-side scripting language, popular for its simplicity and versatility in web development. Whether you are a beginner or an experienced coder, knowing ...