(PHP 5 >= 5.1.0, PHP 7, PECL pdo >= 0.1.0)
 
  
   Introduction
   
    Represents a connection between PHP and a database server.
   
   
 
  
   Class synopsis
 
   
    
 
    
     
      PDO
     
     {
 
    
   public __construct
    ( 
string $dsn
   [, 
string $username
   [, 
string $passwd
   [, 
array $options
  ]]] )
 
    
   public exec
    ( 
string $statement
   ) : 
int 
   public quote
    ( 
string $string
   [, 
int $parameter_type = PDO::PARAM_STR
  ] ) : 
string 
 
   }