Dokończona lekcja 2

Lekcja_02/config.php

@@ -1,6 +1,11 @@
 <?php
-    $user = 'tester';
+    $user = 'root';
-    $pass = 'tester';
+    $pass = 'ServBay.dev';
-    $host = 'db';
+    $host = 'localhost';
-    $dbnm = 'tester';
+    $dbnm = 'lekcja2';
+
+    // $user = 'tester';
+    // $pass = 'tester';
+    // $host = 'db';
+    // $dbnm = 'tester';
 ?>

Lekcja_02/dbexport/lekcja2.sql

@@ -3,7 +3,7 @@
 -- https://www.phpmyadmin.net/
 --
 -- Host: localhost
--- Generation Time: Wrz 21, 2026 at 10:41 AM
+-- Generation Time: Wrz 28, 2026 at 10:13 AM
 -- Wersja serwera: 12.0.2-MariaDB-log
 -- Wersja PHP: 8.3.25
 
@@ -68,7 +68,10 @@ CREATE TABLE `main` (
 --
 
 INSERT INTO `main` (`id`, `flaga`, `nominal`, `nr_kat`, `stop`, `rok`) VALUES
-(1, 1, 'peso', '1234', 6, '2010');
+(10, 2, 'centime', 'km#94', 1, '1964'),
+(11, 1, 'lek', 'km#75', 3, '1996'),
+(12, 3, 'groschen', 'km#2873', 11, '1947'),
+(13, 3, 'corona', 'km#2820', 9, '1916');
 
 -- --------------------------------------------------------
 
@@ -136,7 +139,7 @@ ALTER TABLE `flagi`
 -- AUTO_INCREMENT for table `main`
 --
 ALTER TABLE `main`
-  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=2;
+  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=14;
 
 --
 -- AUTO_INCREMENT for table `stopy`

Lekcja_02/delete.php

@@ -4,8 +4,10 @@
     $conn = mysqli_connect($host, $user, $pass, $dbnm);
 
     $stmt = $conn->prepare("DELETE FROM main WHERE id=?");
+    
+    $id = intval($_GET["id"]);
 
-    $stmt->bind_param("i", intval($_GET["id"]));
+    $stmt->bind_param("i", $id);
     $stmt->execute();
     mysqli_close($conn);
 

Lekcja_02/index.php

@@ -23,9 +23,15 @@
             border-bottom: 1px solid black;
             padding: .5em;
         }
+        td:first-child {
+            text-align: center;
+        }
         td:last-child {
             border-right: none;
         }
+        td > img {
+            max-width: 48px;
+        }
     </style>
 </head>
 <body>
@@ -35,10 +41,10 @@
 
         $conn = mysqli_connect($host, $user, $pass, $dbnm);
 
-        $kraje_q = mysqli_query($conn, "SELECT kraj, plik FROM flagi");
+        $kraje_q = mysqli_query($conn, "SELECT id, kraj, plik FROM flagi");
         $kraje = mysqli_fetch_all($kraje_q, MYSQLI_ASSOC);
 
-        $stopy_q = mysqli_query($conn, "SELECT nazwa from stopy");
+        $stopy_q = mysqli_query($conn, "SELECT id, nazwa from stopy");
         $stopy = mysqli_fetch_all($stopy_q, MYSQLI_ASSOC);
     ?>
     </pre>
@@ -53,17 +59,62 @@
             <th></th>
         </tr>
         <?php
-            $wejscia = mysqli_query($conn, "SELECT `main`.`id`, `flagi`.`plik`, `flagi`.`kraj`, `main`.`nominal`, `main`.`nr_kat`, `stopy`.`nazwa` AS `stop`, `main`.`rok` FROM `main` LEFT JOIN `flagi` ON `main`.`flaga` = `flagi`.`id` LEFT JOIN `stopy` ON `main`.`stop` = `stopy`.`id`");
+            $wejscia = mysqli_query($conn, "SELECT `main`.`id` AS main_id, `flagi`.`plik`, `flagi`.`kraj`, `main`.`nominal`, `main`.`nr_kat`, `stopy`.`nazwa` AS `stop`, `main`.`rok` FROM `main` LEFT JOIN `flagi` ON `main`.`flaga` = `flagi`.`id` LEFT JOIN `stopy` ON `main`.`stop` = `stopy`.`id`");
+
+            $update_id = -1;
+            if(isset($_GET["update_id"])) { $update_id = intval($_GET["update_id"]); }
 
             while($row = mysqli_fetch_assoc($wejscia)) {
-                echo "<tr>";
+                if($update_id == $row["main_id"]) {
-                echo "<td><img src='gfx/" . $row["plik"] . "' alt='" . $row["kraj"] . "'></td>";
+                    echo "<form action='update.php' method='post'>";
-                echo "<td>" . $row["nominal"] . "</td>";
+                    echo "<input type='hidden' name='id_u' value='" . $update_id . "'>";
-                echo "<td>" . $row["nr_kat"] . "</td>";
+                    echo "<tr>";
-                echo "<td>" . $row["stop"] . "</td>";
+                    // select
-                echo "<td>" . $row["rok"] . "</td>";
+                    echo "<td><select name='kraj_u'>";
-                echo "<td><a href='delete.php?id=" . $row["id"] . "'><img src='gfx/u.gif' alt='Usuń'></a></td>";
+                    foreach($kraje_q as $kraj) {
-                echo "</tr>";
+                        if($kraj["kraj"] == $row["kraj"]) {
+                            echo "<option value='" . $kraj["id"] . "' selected>" . $kraj["kraj"] . "</option>";
+                        } else {
+                            echo "<option value='" . $kraj["id"] . "'>" . $kraj["kraj"] . "</option>";
+                        }
+                    }
+                    echo "</select></td>";
+
+                    // input nominal
+                    echo '<td><input type="text" name="nominal_u" id="nominal_u" value="' . $row["nominal"] . '"></td>';
+
+                    // nr kat
+                    echo '<td><input type="text" name="nr_u" id="nr_u" value="' . $row["nr_kat"] . '"></td>';
+
+                    // stop
+                    echo "<td><select name='stop_u'>";
+                    foreach($stopy_q as $stop) {
+                        if($stop["nazwa"] == $row["stop"]) {
+                            echo "<option value='" . $stop["id"] . "' selected>" . $stop["nazwa"] . "</option>";
+                        } else {
+                            echo "<option value='" . $stop["id"] . "'>" . $stop["nazwa"] . "</option>";
+                        }
+                    }
+                    echo "</select></td>";
+
+                    // rok
+                    echo '<td><input type="number" name="rok_u" id="rok_u" value="' . $row["rok"] . '"></td>';
+
+                    // submit
+                    echo '<td><input type="image" src="gfx/faja.png" alt="Aktualizuj"></td>';
+
+                    echo "</tr>";
+                    echo "</form>";
+                } else {
+                    echo "<tr>";
+                    echo "<td><img onclick='window.location = `./?update_id=" . $row["main_id"] . "`' src='gfx/" . $row["plik"] . "' alt='" . $row["kraj"] . "'></td>";
+                    echo "<td>" . $row["nominal"] . "</td>";
+                    echo "<td>" . $row["nr_kat"] . "</td>";
+                    echo "<td>" . $row["stop"] . "</td>";
+                    echo "<td>" . $row["rok"] . "</td>";
+                    echo "<td><a href='delete.php?id=" . $row["main_id"] . "'><img src='gfx/u.gif' alt='Usuń'></a></td>";
+                    echo "</tr>";
+                }
             }
         ?>
         <tr>
@@ -75,7 +126,7 @@
                     <select name="kraj_d" id="kraj_d">
                         <?php
                             foreach($kraje_q as $kraj) {
-                                echo "<option>" . $kraj["kraj"] . "</option>";
+                                echo "<option value='" . $kraj["id"] . "'>" . $kraj["kraj"] . "</option>";
                             }
                         ?>
                     </select>
@@ -90,7 +141,7 @@
                     <select name="stop_d" id="stop_d">
                         <?php
                             foreach($stopy_q as $stop) {
-                                echo "<option>" . $stop["nazwa"] . "</option>";
+                                echo "<option value='" . $stop["id"] . "'>" . $stop["nazwa"] . "</option>";
                             }
                         ?>
                     </select>

Lekcja_02/insert.php

@@ -1,13 +1,20 @@
-<pre>
 <?php
-    print_r($_POST);
     include("config.php");
     $conn = mysqli_connect($host, $user, $pass, $dbnm);
 
-    $stmt = $conn->prepare("INSERT INTO main(flaga, nominal, nr_kat, `stop`, rok) VALUES(?, ?, ?, ?, ?)");
+    $stmt = $conn->prepare("INSERT INTO main(flaga, nominal, nr_kat, `stop`, rok) VALUES(?, ?, ?, ?, ?);");
 
-    // $stmt->bind_param("issis", $_POST[""])
+    $flaga = intval($_POST["kraj_d"]);
+    $nominal = $_POST["nominal_d"];
+    $nr_kat = $_POST["nr_d"];
+    $stop = intval($_POST["stop_d"]);
+    $rok = $_POST["rok_d"];
+
+    $stmt->bind_param("issis", $flaga, $nominal, $nr_kat, $stop, $rok);
+    $stmt->execute();
 
     mysqli_close($conn);
-?>
+
-</pre>
+    header("Location: ./");
+    exit();
+?>

Lekcja_02/update.php

@@ -0,0 +1,21 @@
+<?php
+    include("config.php");
+    $conn = mysqli_connect($host, $user, $pass, $dbnm);
+
+    $stmt = $conn->prepare("UPDATE main SET flaga=?, nominal=?, nr_kat=?, stop=?, rok=? WHERE id=?;");
+
+    $flaga = intval($_POST["kraj_u"]);
+    $nominal = $_POST["nominal_u"];
+    $nr_kat = $_POST["nr_u"];
+    $stop = intval($_POST["stop_u"]);
+    $rok = $_POST["rok_u"];
+    $id = $_POST["id_u"];
+
+    $stmt->bind_param("issisi", $flaga, $nominal, $nr_kat, $stop, $rok, $id);
+    $stmt->execute();
+
+    mysqli_close($conn);
+
+    header("Location: ./");
+    exit();
+?>