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Bug #73475 Fatal error: PDO::__construct(): out of memory
Submitted: 2016-11-07 12:12 UTC Modified: 2016-11-07 14:17 UTC
Votes:1
Avg. Score:5.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:1 (100.0%)
Same OS:1 (100.0%)
From: hetao at hetao dot name Assigned:
Status: Duplicate Package: MySQL related
PHP Version: 5.6.27 OS: Ubuntu 14.04 x86_64
Private report: No CVE-ID: None
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From: hetao at hetao dot name
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 [2016-11-07 12:12 UTC] hetao at hetao dot name
Description:
------------
When the passowrd is string("") and set ATTR_PERSISTENT is true, the PDO __construct where Fatal Error (You keep press the F5 in the browser , U will see the error some times)
If password is not empty or is null , it's ok.

$dsn = 'mysql:dbname=test;host=localhost;port=3306';
$user = 'root'; 
$password = "";//will wrong
//$password = null; //will ok     
                
try {
    $dbh = new PDO($dsn, $user, $password,
        array( 
            \PDO::ATTR_PERSISTENT => true
        )   
    );  
} catch (PDOException $e) {
    echo 'Connection failed: ' . $e->getMessage();
}   

Test script:
---------------
<?php           
/* Connect to an ODBC database using driver invocation */
$dsn = 'mysql:dbname=test;host=localhost;port=3306';
$user = 'root'; 
$password = "";
                
$dbh = new PDO($dsn, $user, $password,
    array(
        \PDO::ATTR_PERSISTENT => true
    )   
);  
print_r($dbh);


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 [2016-11-07 14:17 UTC] cmb@php.net
-Status: Open +Status: Duplicate
 [2016-11-07 14:17 UTC] cmb@php.net
Duplicate of bug #73474.
 
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