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mysql> SET character_set_client='utf8';
mysql> SET character_set_connection='utf8'
mysql> SET character_set_results='utf8'
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echo $a;
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form.html
<form action="action.php" method="post">
<input type="text" name="username">
<input type="password" name="password">
<input type="submit">
 
action.php
<?php
$p_test=extract($_POST);
echo $p_test; //Êä³öµÄÊDZäÁ¿µÄ¸öÊý3
extract($_POST); //Ï൱ÓÚ$username=$_POST['username']; $password=$POST['password'];
echo "Óû§Ãû=".$username; //Êä³öÓû§Ãû=username
echo "ÃÜÂë=".$password; //Êä³öÃÜÂë=password
?>
 
<?php
/* ¼Ù¶¨ $var_array ÊÇ wddx_deserialize ·µ»ØµÄÊý×é*/
$size = "large";
$var_array = array("color" => "blue",
"size" => "medium",
"shape" => "sphere");
extract($var_array, EXTR_PREFIX_SAME, "wddx");
echo "$color, $size, $shape, $wddx_size\n";
?>
 
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