Code: Alles auswählen
<?php
session_start ();
?>
<form method="POST" action="./form20240308.php">
<input type="text" name="form2024030801"></input>
<input type="submit"></input>
</form>
<?php
echo session_id () . "<br>\n";
setcookie ("form2024030802", "Dies ist Cookie 1", time () + 1200);
echo htmlentities ($_POST ["form2024030801"]) . "<br>\n";
echo htmlentities ($_COOKIE ["form2024030802"]) . "<br>\n";
echo htmlentities ($_COOKIE ["form2024030803"]) . "<br>\n";
session_destroy ();
?>
Code: Alles auswählen
POST http://localhost/mysql20240217/20240308/form20240308.php HTTP/1.1
host: localhost
Cookie: form2024030803=Hallo, ich bin Cookie 2
Content-Length: 45
Content-Type: application/x-www-form-urlencoded
form2024030801=Super Sache, ich bin das Datum
Code: Alles auswählen
Trying ::1...
Connected to localhost.
Escape character is '^]'.
HTTP/1.1 200 OK
Date: Fri, 08 Mar 2024 16:25:10 GMT
Server: Apache/2.4.57 (Debian)
Set-Cookie: PHPSESSID=mrps20jp7tiamepn9rrflq9fg3; path=/
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate
Pragma: no-cache
Set-Cookie: form2024030802=Dies%20ist%20Cookie%201; expires=Fri, 08 Mar 2024 16:45:10 GMT; Max-Age=1200
Vary: Accept-Encoding
Content-Length: 238
Content-Type: text/html; charset=UTF-8
<form method="POST" action="./form20240308.php">
<input type="text" name="form2024030801"></input>
<input type="submit"></input>
</form>
mrps20jp7tiamepn9rrflq9fg3<br>
Super Sache, ich bin das Datum<br>
<br>
Hallo, ich bin Cookie 2<br>
Code: Alles auswählen
<?php
session_start ();
include ("/home/david/mysqldata.php");
$db = new PDO ("mysql: host=localhost", $MYSQL_USER, $MYSQL_PASSWORD);
$sql = "CREATE DATABASE mysql20240308" . session_id () . "; ";
$db->query ($sql);
$sql = "USE mysql20240308" . session_id () . "; ";
$db->query ($sql);
$sql = "CREATE TABLE a (x1 INTEGER, x2 INTEGER); ";
$db->query ($sql);
$sql = "CREATE TABLE b (y1 INTEGER, y2 INTEGER); ";
$db->query ($sql);
$sql = "INSERT INTO a (x1, x2) VALUES (2, 2); ";
$db->query ($sql);
$sql = "INSERT INTO a (x1, x2) VALUES (3, 3); ";
$db->query ($sql);
$sql = "INSERT INTO a (x1, x2) VALUES (3, 4); ";
$db->query ($sql);
$sql = "INSERT INTO a (x1, x2) VALUES (4, 3); ";
$db->query ($sql);
$sql = "INSERT INTO a (x1, x2) VALUES (5, 5); ";
$db->query ($sql);
$sql = "INSERT INTO b (y1, y2) VALUES (3, 4); ";
$db->query ($sql);
$sql = "INSERT INTO b (y1, y2) VALUES (4, 3); ";
$db->query ($sql);
$sql = "INSERT INTO b (y1, y2) VALUES (5, 5); ";
$db->query ($sql);
$sql = "SELECT x1, x2 FROM a; ";
$stmt = $db->query ($sql);
while ($row = $stmt -> fetch ())
echo $row [0] . ", " . $row [1] . "; ";
echo "<br>\n";
$sql = "SELECT y1, y2 FROM b; ";
$stmt = $db->query ($sql);
while ($row = $stmt -> fetch ())
echo $row [0] . ", " . $row [1] . "; ";
echo "<br>\n";
$sql = "SELECT x1, x2, y1, y2 FROM a INNER JOIN b ON a.x1 = b.y1; ";
$stmt = $db->query ($sql);
while ($row = $stmt -> fetch ())
echo $row [0] . ", " . $row [1] . ", " . $row [2] . ", " . $row [3] . "; ";
echo "<br>\n";
$sql = "DROP DATABASE mysql20240308" . session_id () . "; ";
$db->query ($sql);
session_destroy ();
?>
Code: Alles auswählen
2, 2; 3, 3; 3, 4; 4, 3; 5, 5; <br>
3, 4; 4, 3; 5, 5; <br>
3, 3, 3, 4; 3, 4, 3, 4; 4, 3, 4, 3; 5, 5, 5, 5; <br>
Code: Alles auswählen
<?php
session_start ();
include ("/home/david/mysqldata.php");
$db = new PDO ("mysql: host=localhost", $MYSQL_USER, $MYSQL_PASSWORD);
$sql = "CREATE DATABASE q20240308" . session_id () . "; ";
$db->query ($sql);
$sql = "USE q20240308" . session_id () . "; ";
$db->query ($sql);
$sql = "CREATE TABLE a (x INTEGER); ";
$db->query ($sql);
$sql = "CREATE TABLE b (x INTEGER); CREATE TABLE c (x INTEGER); ";
$db->query ($sql);
for ($i = 0; $i < 16; $i++) {
$sql = "INSERT INTO a (x) VALUES (" . rand () % 12 . "); INSERT INTO b (x) VALUES (" . rand () % 32 . "); INSERT INTO c (x) VALUES (" . rand () % 24 . "); ";
$db->query ($sql);
}
$sql = "SELECT x FROM (SELECT x FROM a UNION SELECT x FROM b) x; ";
$stmt = $db->query ($sql);
while ($row = $stmt -> fetch ())
echo $row [0] . ", ";
echo "<br>\n";
$sql = "SELECT x FROM (SELECT x FROM a UNION SELECT x FROM c) x; ";
$stmt = $db->query ($sql);
while ($row = $stmt -> fetch ())
echo $row [0] . ", ";
echo "<br>\n";
$sql = "SELECT x FROM (SELECT x FROM b UNION SELECT x FROM c) x; ";
$stmt = $db->query ($sql);
while ($row = $stmt -> fetch ())
echo $row [0] . ", ";
echo "<br>\n";
$sql = "SELECT x FROM (SELECT x FROM a INTERSECT SELECT x FROM b) x; ";
$stmt = $db->query ($sql);
while ($row = $stmt -> fetch ())
echo $row [0] . ", ";
echo "<br>\n";
$sql = "SELECT x FROM (SELECT x FROM a INTERSECT SELECT x FROM c) x; ";
$stmt = $db->query ($sql);
while ($row = $stmt -> fetch ())
echo $row [0] . ", ";
echo "<br>\n";
$sql = "SELECT x FROM (SELECT x FROM b INTERSECT SELECT x FROM c) x;";
$stmt = $db->query ($sql);
while ($row = $stmt -> fetch ())
echo $row [0] . ", ";
echo "<br>\n";
$sql = "SELECT x FROM (
SELECT x FROM (SELECT x FROM a UNION SELECT x FROM b) x
INTERSECT
SELECT x FROM c
) x; ";
$stmt = $db->query ($sql);
while ($row = $stmt -> fetch ())
echo $row [0] . ", ";
echo "<br>\n";
$sql = "SELECT x FROM (
SELECT x FROM (SELECT x FROM a INTERSECT SELECT x FROM c) x
UNION
SELECT x FROM (SELECT x FROM b INTERSECT SELECT x FROM c) x
) x; ";
$stmt = $db->query ($sql);
while ($row = $stmt -> fetch ())
echo $row [0] . ", ";
echo "<br>\n";
$sql = "SELECT x FROM (
SELECT x FROM (SELECT x FROM a UNION SELECT x FROM c) x
INTERSECT
SELECT x FROM b
) x; ";
$stmt = $db->query ($sql);
while ($row = $stmt -> fetch ())
echo $row [0] . ", ";
echo "<br>\n";
$sql = "SELECT x FROM (
SELECT x FROM (SELECT x FROM a INTERSECT SELECT x FROM b) x
UNION
SELECT x FROM (SELECT x FROM c INTERSECT SELECT x FROM b) x
) x; ";
$stmt = $db->query ($sql);
while ($row = $stmt -> fetch ())
echo $row [0] . ", ";
echo "<br>\n";
$sql = "SELECT x FROM (
SELECT x FROM (SELECT x FROM b UNION SELECT x FROM c) x
INTERSECT
SELECT x FROM a
) x; ";
$stmt = $db->query ($sql);
while ($row = $stmt -> fetch ())
echo $row [0] . ", ";
echo "<br>\n";
$sql = "SELECT x FROM (
SELECT x FROM (SELECT x FROM b INTERSECT SELECT x FROM a) x
UNION
SELECT x FROM (SELECT x FROM c INTERSECT SELECT x FROM a) x
) x; ";
$stmt = $db->query ($sql);
while ($row = $stmt -> fetch ())
echo $row [0] . ", ";
echo "<br>\n";
$sql = "DROP DATABASE q20240308" . session_id () . "; ";
$db->query ($sql);
session_destroy ();
?>
Code: Alles auswählen
7, 4, 3, 9, 1, 11, 10, 5, 2, 31, 15, 13, 27, 25, 19, <br>
7, 4, 3, 9, 1, 11, 10, 5, 2, 14, 13, 0, 18, 19, 16, 6, 15, <br>
3, 31, 15, 11, 4, 13, 2, 27, 9, 25, 19, 14, 0, 18, 16, 6, <br>
4, 3, 9, 11, 2, <br>
4, 3, <br>
3, 15, 4, 13, 19, <br>
4, 3, 15, 13, 19, <br>
4, 3, 15, 13, 19, <br>
4, 3, 9, 11, 2, 13, 19, 15, <br>
4, 3, 9, 11, 2, 13, 19, 15, <br>
3, 11, 4, 2, 9, <br>
3, 11, 4, 2, 9, <br>