For example I have file config.php:
$host = 'localhost';
$db = 'logger';
$user = 'user';
$pwd = 'pass';
and file mysqlClass.php
class mysql{
public function connect(){
//hot get get variables form confing.php there ?
}
}
And I not know hot to get variables from confin.php in mysql class, I can't change config.php file
Just require_once() the file
public function connect() {
require_once 'config.php';
// ...code...
}
Use function parameters:
class mysql{
public function connect($host, $db, $user, $pass){
// do something with the variables
}
}
When instantiating mysql now, use:
require 'config.php';
$mysql = new mysql($host, $db, $user, $pass);
include 'config.php';
include_once 'config.php';
or
require 'config.php';
require_once 'config.php';
Inside of mysqlClass.php
The difference between include and require is that require will also produce a fatal E_COMPILE_ERROR level error, stopping the script, whereas, include only produces E_WARNING, which will NOT stop the script. The difference between include_once or require_once and include or require is that PHP will check to see if the file has been included already, and if it hasn't, it will include it. If it has, it will not load it again.
mysql_database functions; use something like PDO instead. php.net/manual/en/book.pdo.php