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$username = "root";
$password = "123";
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mysql_connect('localhost', $username, $password);
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Php Variable Circular References
Circular-references has been a long outstanding issue with PHP. They are
caused by the fact that PHP uses a reference counted memory allocation
mechanism for its internal variables. This causes problems for longer
running scripts (such as an Applicatio ......
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$arr = array();
$arr[] = '';
2.
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