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using autoload with PEAR

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__autoload is often used to load class files from a specific user-defined directory. by simply adding the user-defined directory to the include_path, however, autoload can be used to load user class files as well as PEAR class files. Assuming the PEAR naming convention is adhered to for the user defined classes.

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  1. function __autoload($classname)
  2. {
  3.     // put the path to your class files here
  4.     $my_path = "/var/www/mydomain.com/lib";
  5.  
  6.     // tell PHP to scan the default include paht AND your include path
  7.     set_include_path(get_include_path() . PATH_SEPARATOR . $my_path);
  8.  
  9.     // name your classes and filenames with underscores, i.e., Net_Whois stored in Net_Whois.php
  10.     $classfile = str_replace("_", "/", $classname) . ".php";
  11.  
  12.     include_once($classfile);
  13. }
  14.  
  15. /**
  16.  * EXAMPLE:
  17.  * create one of your objects, saved in /var/www/mydomain.com/lib/Project/Database.php
  18.  */
  19. $db = new Project_Database();
  20.  
  21.  
  22. /**
  23.  * EXAMPLE:
  24.  * create a PEAR object, saved in /usr/local/lib/php/File.php
  25.  */
  26.  
  27. $f = new File();

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