RE: [PHP] simple class & constructor

On Tue, 2010-10-19 at 16:53 -0700, Tommy Pham wrote: > > -----Original Message----- > > From: David McGlone [mailto:david@dmcentral.net] > > Sent: Tuesday, October 19, 2010 4:32 PM > > To: php-general@lists.php.net > > Subject: Re: [PHP] simple class & constructor > > > > On Tue, 2010-10-19 at 17:15 -0400, Paul M Foster wrote: > > > On Tue, Oct 19, 2010 at 04:12:51PM -0400, David McGlone wrote: > > <snip> > > > You're trying to "instantiate the class". And the way you're > > > doing it > > > here is correct. When you do this, $test becomes an object of this > > > class. If you had another function ("member") within the class called > > > "myfunction()", you could run it this way (after you instantiate the > > > class): > > > > > > $test->myfunction(); > > > > > > > > > > > Basically I want to learn how I can (if it's possible with this > > > > simple > > > > code) is display the output on a different page. > > > > > > > > I tried putting the line: $test=new simpleConstructer(); on the > > > > index page and including the page the class is on, but it causes the > > > > index page to go blank. > > > > > > You've likely got an error you're not seeing. Fix this first. If the > > > file your class is in is syntactically correct, and you do > > > > > > include "simpleConstructerFile.php"; > > > > > > in your index.php file, it should flawlessly include the code. Then, > > > in your index.php, you do this: > > > > > > $test = new simpleConstructer; > > > > > > you should see the contents of the echo statement appear on the page. > > > So you're on the right track. You just need to find the error first. > > > > > > Ah ha! Thank you! Your mention of an error, was spot on. notice below I > > misspelled the class name but got the Object name correct. > > > > Also at first I had the setup like this because it wasn't working and I thought > > I was doing it wrong: (this also added to my confusion) > > > > myclass.php > > > > class simpleConstructer { > > > > function __construct() { > > echo "running the constructor"; > > } > > } > > > > index.php > > require_once 'myclass.php'; > > $test = new simpleConstructor(); > > > > But once I fixed the error I put it all back in myclass.php like so: > > > > myclass.php > > > > class simpleConstructer { > > > > function __construct() { > > echo "running the constructor"; > > } > > } > > $test = new simpleConstructor(); > > > > > > Now I am wondering what you meant when you said: > > >>>If you had another function ("member") within the class called > > >>>"myfunction()", you could run it this way (after you instantiate the > > >>> class): > > > > >>>$test->myfunction();" > > > > If you don't mind my asking, how would you take the above example and > > change it to what you describe above? > > > > class simpleConstructer { > > function __construct() { > echo "running the constructor"; > } > > function myFunction() { > echo 'this is another function/method within the class simpleConstructor'; > } > } > > $test = new simpleConstructor(); > $test->myfunction(); Thank you Tommy. Now it all comes together and I believe I understand now. Does the code immediately after the __construct automatically run, but when adding more methods to the class, they need to be called with the $name->Object_name? Is my thinking correct? -- Blessings David M.