PHP Class Import

Question

Here's a sample code that I'm trying to call from another page to help me with stats. I can't seem to get it to work. How do I import and call this class in another php file? stats.php

<?php

include("config.php");
$link = mysql_connect($host, $username, $password);
mysql_select_db("mydb", $link);

class stats{

  function newReg(){

    $result = mysql_query("SELECT * FROM people where status ='registered' ", $link);
    $num_rows = mysql_num_rows($result);
     return $num_rows ;


function newApp(){
    $result = mysql_query("SELECT * FROM people where status = 'NEW' ", $link);
    $num_rows = mysql_num_rows($result);

    return $num_rows;
 }
?>

I want to call that class here in another file:

<?php

require_once("stats.php");
   echo(stats.newReg());

 ?>

Is there something I'm missing here?

Without seeing the code where you try to include it in the other page, it's difficult to help... — Ross Snyder
– Ross Snyder, Commented Oct 28, 2011 at 13:13

Roman · Accepted Answer · 2011-10-28 13:45:49Z

15

you forgot 2 closing brackets

<?php

include("config.php");
$link = mysql_connect($host, $username, $password);
mysql_select_db("mydb", $link);

class stats{

  function newReg(){
    global $link;
    $result = mysql_query("SELECT * FROM people where status ='registered' ", $link);
    $num_rows = mysql_num_rows($result);
     return $num_rows ;
  }

function newApp(){
    global $link;        
    $result = mysql_query("SELECT * FROM people where status = 'NEW' ", $link);
    $num_rows = mysql_num_rows($result);

    return $num_rows;
 }
}
?>

anyway, other file:

include 'statsclassfile.php';
$myStats = new stats();
$mystats->newReg();

PS: naming conventions generally want that class names begin with a capital letter, eg: Stats

edited Oct 28, 2011 at 13:45

answered Oct 28, 2011 at 13:12

Roman

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4 Comments

Helen Neely Over a year ago

thanks for your comment. But I'm getting <i>Fatal error: Call to a member function newReg() on a non-object in /home/default/helen/testStats.php on line 4</i>

Roman Over a year ago

put error_reporting(E_ALL); at the beginning of the file testStats.php and see if the script reports more details on why it doesn't instance your class. One question, are the 3 files (config.php, testStats.php and the other one) all in the same directory?

Roman Over a year ago

actually... $link is declared in global space. That means you cannot access it from within a function without declaring it there as global. I'll update my answer to include this change. (this has nothing to do with the include problem)

Helen Neely Over a year ago

Thanks again for your amazing help. It's now working like a dream. You've been very helpful.

Draiken · Accepted Answer · 2011-10-28 13:14:02Z

1

Make sure the paths are correct, maybe the config.php file is not on the same folder.

You can use absolute paths like this

require_once $_SERVER['DOCUMENT_ROOT'] . "/path_to_config/config.php";

And to call your stats class:

require_once PATH_TO_YOUR_CLASS . "stats.php"

Also make sure you name classes with CamelCased names.

answered Oct 28, 2011 at 13:14

Draiken

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1 Comment

triple7 Over a year ago

It's actually PascalCase, not camelCase. ;)

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