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mysql_connect('localhost', $username, $password);
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Php Variable Circular References
Circular-references has been a long outstanding issue with PHP. They are
caused by the fact that PHP uses a reference counted memory allocation
mechanism for its internal variables. This causes problems for longer
running scripts (such as an Applicatio ......
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$test = "hello";
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echo $test.".world" // hello.world
echo "$test.world" // "" ÖеıäÁ¿½«±»½âÎö³ÉÏàÓ¦µÄÖµ
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
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