PHP get takes no value to solve the idea

PHP Get takes no value

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Header ("content-type:text/html; Charset=utf-8 ");
$type =$_get[' type '];
$ID =$_get[id];
$url = "show_user.php";
$id =$_post["id"];
$title = $_post["title"];
$password = $_post["password"];
Date_default_timezone_set ("Asia/shanghai");

PHP.ini added date.timezone This option, which is turned off by default, that is, the time displayed (no matter what PHP command is used) is Greenwich Mean Time, and Beijing time is just 8 hours.

$time = Date ("y-m-d h:i:s");//Get current time
$con = mysql_connect ("localhost", "root", "123");
if (! $con)
{
Die (' Connect database failed! '. Mysql_error ());
}
Header ("content-type:text/html; Charset=utf-8 ");
mysql_select_db ("Test", $con);
mysql_query ("Set names ' UTF8 '", $con);
echo "China";
Switch ($type)
{
Case EDIT:
$sql = "Update test set id= ' $id ', pass= ' $password ' where id= ' $id '";
$qu = mysql_query ($sql, $con);
if ($qu)
{
echo "";
Exit
}
Break
Case ADD:
if (!mysql_query ("INSERT into Test (Id,pass) VALUES (' $id ', ' $password ')")
{
Die (' Data insertion failed! '). Mysql_error ());
}
Else
{
echo "";
Exit
}
Break
Case DELE:
$sql = "Delete from Test where id = ' $ID '";
$qu =mysql_query ($sql, $con);
if ($qu)
{
echo "";
Exit
}
Break
}
/*
Insert Database



*/
?>


Why $_get[' type ' does not take a value

------Solution--------------------
Switch ($type)
{
Case "Edit":
Add quotation marks

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