PHP learning diary 1 ----Object-oriented basics

php syntax is very similar to c++;

A simple object-oriented code:

                                                                                                                                                                                                                        object-oriented object-oriented code Public $CatAge ;

                                                                                                                                                                                    ; ->CatName = $name;
                                                                                                                                                              $color;
                                                                                                                   "n" represents a space
                        return "{$this->CatName}n"."{$this->CatColor}n"."{$this->CatAge}"; = new Cat("lex","black","3");

//If you assign a value to an attribute that the object does not have, php will not report an error;

$SmallCat ->Wrong = "error;


print "{$SmallCat->ShowCat()}";
?>

print is used to output all items; there is no difference between "" and '' in

php; methods in

php are public by default Type; the attribute defaults to private type


If it meets the grammatical specifications in php, it will not report an error, so checking errors in php is a very troublesome thing;

The above introduces PHP learning diary 1 - object-oriented basics, including aspects of content. I hope it will be helpful to friends who are interested in PHP tutorials.