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  1. <?php
  2.  
  3.  
  4. class MyClass
  5. {
  6.     public $stdObj;
  7.     public function __construct()
  8.     {
  9.         $this->stdObj = new stdClass();
  10.     }
  11. }
  12.  
  13. $myObj = new MyClass();
  14. var_dump($myObj->stdObj);
  15.  
  16. class MyClass2
  17. {
  18.     public $pdoObj;
  19.     public function __construct()
  20.     {
  21.         $this->pdoObj = new PDO("mysql:host=localhost;dbname=test", "root", "");
  22.     }
  23. }
  24.  
  25. $myObj2 = new MyClass2();
  26. var_dump($myObj2->pdoObj);
Runtime error #stdin #stdout #stderr 0.01s 52488KB
comments (?)
stdin 
Standard input is empty
stdout 
object(stdClass)#2 (0) {
}
stderr 
PHP Fatal error:  Uncaught exception 'PDOException' with message 'could not find driver' in /home/Fh7dYd/prog.php:21
Stack trace:
#0 /home/Fh7dYd/prog.php(21): PDO->__construct('mysql:host=loca...', 'root', '')
#1 /home/Fh7dYd/prog.php(25): MyClass2->__construct()
#2 {main}
  thrown in /home/Fh7dYd/prog.php on line 21
https://ideone.com/WAc2mO
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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