Lekcja 2 do dokończenia

Lekcja_02/config.php

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+<?php
+    $user = 'root';
+    $pass = 'ServBay.dev';
+    $host = 'localhost';
+    $dbnm = 'lekcja2';
+?>

Lekcja_02/dbexport/lekcja2.sql

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+-- phpMyAdmin SQL Dump
+-- version 5.2.1
+-- https://www.phpmyadmin.net/
+--
+-- Host: localhost
+-- Generation Time: Wrz 21, 2026 at 10:41 AM
+-- Wersja serwera: 12.0.2-MariaDB-log
+-- Wersja PHP: 8.3.25
+
+SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
+START TRANSACTION;
+SET time_zone = "+00:00";
+
+
+/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
+/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
+/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
+/*!40101 SET NAMES utf8mb4 */;
+
+--
+-- Database: `lekcja2`
+--
+
+-- --------------------------------------------------------
+
+--
+-- Struktura tabeli dla tabeli `flagi`
+--
+
+CREATE TABLE `flagi` (
+  `id` int(11) NOT NULL,
+  `kraj` varchar(255) NOT NULL,
+  `plik` varchar(255) NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
+
+--
+-- Dumping data for table `flagi`
+--
+
+INSERT INTO `flagi` (`id`, `kraj`, `plik`) VALUES
+(1, 'Albania', 'Albania.jpg'),
+(2, 'Algieria', 'Algieria.jpg'),
+(3, 'Australia', 'Australia.jpg'),
+(4, 'Barbados', 'Barbados.jpg'),
+(5, 'Belgia', 'Belgia.jpg'),
+(6, 'Belize', 'Belize.jpg'),
+(7, 'Bermudy', 'Bermudy.jpg'),
+(8, 'Bhutan', 'Bhutan.jpg'),
+(9, 'Boliwia', 'Boliwia.jpg');
+
+-- --------------------------------------------------------
+
+--
+-- Struktura tabeli dla tabeli `main`
+--
+
+CREATE TABLE `main` (
+  `id` int(11) NOT NULL,
+  `flaga` int(11) NOT NULL,
+  `nominal` varchar(255) NOT NULL,
+  `nr_kat` varchar(255) NOT NULL,
+  `stop` int(11) NOT NULL,
+  `rok` varchar(255) NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
+
+--
+-- Dumping data for table `main`
+--
+
+INSERT INTO `main` (`id`, `flaga`, `nominal`, `nr_kat`, `stop`, `rok`) VALUES
+(1, 1, 'peso', '1234', 6, '2010');
+
+-- --------------------------------------------------------
+
+--
+-- Struktura tabeli dla tabeli `stopy`
+--
+
+CREATE TABLE `stopy` (
+  `id` int(11) NOT NULL,
+  `nazwa` varchar(255) NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
+
+--
+-- Dumping data for table `stopy`
+--
+
+INSERT INTO `stopy` (`id`, `nazwa`) VALUES
+(1, 'aluminum'),
+(2, 'aluminum-bronze'),
+(3, 'bronze'),
+(4, 'copper plated zinc'),
+(5, 'copper-nickel'),
+(6, 'gold'),
+(7, 'nickel bonded steel'),
+(8, 'nickel clad steel'),
+(9, 'silver'),
+(10, 'stainless steel'),
+(11, 'zinc');
+
+--
+-- Indeksy dla zrzutów tabel
+--
+
+--
+-- Indeksy dla tabeli `flagi`
+--
+ALTER TABLE `flagi`
+  ADD PRIMARY KEY (`id`);
+
+--
+-- Indeksy dla tabeli `main`
+--
+ALTER TABLE `main`
+  ADD PRIMARY KEY (`id`),
+  ADD KEY `flaga` (`flaga`),
+  ADD KEY `stop` (`stop`);
+
+--
+-- Indeksy dla tabeli `stopy`
+--
+ALTER TABLE `stopy`
+  ADD PRIMARY KEY (`id`);
+
+--
+-- AUTO_INCREMENT for dumped tables
+--
+
+--
+-- AUTO_INCREMENT for table `flagi`
+--
+ALTER TABLE `flagi`
+  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=10;
+
+--
+-- AUTO_INCREMENT for table `main`
+--
+ALTER TABLE `main`
+  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=2;
+
+--
+-- AUTO_INCREMENT for table `stopy`
+--
+ALTER TABLE `stopy`
+  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=12;
+
+--
+-- Constraints for dumped tables
+--
+
+--
+-- Constraints for table `main`
+--
+ALTER TABLE `main`
+  ADD CONSTRAINT `main_ibfk_1` FOREIGN KEY (`flaga`) REFERENCES `flagi` (`id`),
+  ADD CONSTRAINT `main_ibfk_2` FOREIGN KEY (`stop`) REFERENCES `stopy` (`id`);
+COMMIT;
+
+/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
+/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
+/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;

Lekcja_02/delete.php

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+<?php
+    print_r($_GET);
+    include("config.php");
+    $conn = mysqli_connect($host, $user, $pass, $dbnm);
+
+    $stmt = $conn->prepare("DELETE FROM main WHERE id=?");
+
+    $stmt->bind_param("i", intval($_GET["id"]));
+    $stmt->execute();
+    mysqli_close($conn);
+
+
+    header("Location: ./");
+    exit();
+?>

Lekcja_02/index.php

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+<!DOCTYPE html>
+<html lang="pl">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Lekcja 2</title>
+    <style>
+        * {
+            margin: 0;
+            padding: 0;
+            box-sizing: border-box;
+        }
+        th {
+            border-right: 1px solid black;
+            border-bottom: 1px solid black;
+            padding: .5em;
+        }
+        th:last-child {
+            border-right: none;
+        }
+        td {
+            border-right: 1px solid black;
+            border-bottom: 1px solid black;
+            padding: .5em;
+        }
+        td:last-child {
+            border-right: none;
+        }
+    </style>
+</head>
+<body>
+    <pre>
+    <?php
+        include('config.php');
+
+        $conn = mysqli_connect($host, $user, $pass, $dbnm);
+
+        $kraje_q = mysqli_query($conn, "SELECT kraj, plik FROM flagi");
+        $kraje = mysqli_fetch_all($kraje_q, MYSQLI_ASSOC);
+
+        $stopy_q = mysqli_query($conn, "SELECT nazwa from stopy");
+        $stopy = mysqli_fetch_all($stopy_q, MYSQLI_ASSOC);
+    ?>
+    </pre>
+    <br>
+    <table>
+        <tr>
+            <th></th>
+            <th>nominał</th>
+            <th>nr kat.</th>
+            <th>stop</th>
+            <th>rok</th>
+            <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`");
+
+            while($row = mysqli_fetch_assoc($wejscia)) {
+                echo "<tr>";
+                echo "<td><img 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=" . $row["id"] . "'><img src='gfx/u.gif' alt='Usuń'></a></td>";
+                echo "</tr>";
+            }
+        ?>
+        <tr>
+            <th colspan="6">Dodawanie rekordu</th>
+        </tr>
+        <form action="insert.php" method="post">
+            <tr>
+                <td>
+                    <select name="kraj_d" id="kraj_d">
+                        <?php
+                            foreach($kraje_q as $kraj) {
+                                echo "<option>" . $kraj["kraj"] . "</option>";
+                            }
+                        ?>
+                    </select>
+                </td>
+                <td>
+                    <input type="text" name="nominal_d" id="nominal_d">
+                </td>
+                <td>
+                    <input type="text" name="nr_d" id="nr_d">
+                </td>
+                <td>
+                    <select name="stop_d" id="stop_d">
+                        <?php
+                            foreach($stopy_q as $stop) {
+                                echo "<option>" . $stop["nazwa"] . "</option>";
+                            }
+                        ?>
+                    </select>
+                </td>
+                <td>
+                    <input type="number" name="rok_d" id="rok_d">
+                </td>
+                <td>
+                    <input type="image" src="gfx/faja.png" alt="Dodaj">
+                </td>
+            </tr>
+        </form>
+    </table>
+
+    <?php
+        mysqli_close($conn);
+    ?>
+</body>
+</html>

Lekcja_02/insert.php

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+<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->bind_param("issis", $_POST[""])
+
+    mysqli_close($conn);
+?>
+</pre>