\n    
      \n\n\n\n\n
      \n\n

      \n \n \n Step 4: Handle Adding Tasks\n<\/h2>\n\n

      Create a new file called add_task.php<\/em> and add the following code:
      \n<\/p>\n\n

      prepare(\"INSERT INTO tasks (task) VALUES (?)\");\n    $stmt->bind_param(\"s\", $task);\n    $stmt->execute();\n\n    $stmt->close();\n    $conn->close();\n\n    \/\/ Redirect back to the main page\n    header(\"Location: index.php\");\n    exit();\n}\n?>\n<\/pre>\n\n\n\n\n
      \n\n

      \n \n \n 5??: ?? ?? ??\n<\/h2>\n\n

      delete_task.php<\/em>?? ? ??? ????.
      \n<\/p>\n\n

      prepare(\"DELETE FROM tasks WHERE id = ?\");\n    $stmt->bind_param(\"i\", $id);\n    $stmt->execute();\n\n    $stmt->close();\n    $conn->close();\n\n    \/\/ Redirect back to the main page\n    header(\"Location: index.php\");\n    exit();\n}\n?>\n<\/pre>\n\n\n\n\n
      \n\n

      \n \n \n 6??: ?? CSS ??(?? ??)\n<\/h2>\n\n

      ?? ??? styles.css<\/em> ??? ??? ? ???? ?????.
      \n<\/p>\n\n

      body {\n    font-family: Arial, sans-serif;\n    background-color: #f9f9f9;\n    color: #333;\n    margin: 0;\n    padding: 0;\n}\n\n.container {\n    width: 50%;\n    margin: 50px auto;\n    background: #fff;\n    padding: 20px;\n    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);\n    border-radius: 8px;\n}\n\nh1 {\n    text-align: center;\n}\n\nform {\n    display: flex;\n    justify-content: space-between;\n    margin-bottom: 20px;\n}\n\nform input {\n    flex: 1;\n    padding: 10px;\n    margin-right: 10px;\n    border: 1px solid #ccc;\n    border-radius: 4px;\n}\n\nform button {\n    padding: 10px 20px;\n    background-color: #28a745;\n    color: white;\n    border: none;\n    border-radius: 4px;\n    cursor: pointer;\n}\n\nform button:hover {\n    background-color: #218838;\n}\n\nul {\n    list-style-type: none;\n    padding: 0;\n}\n\nul li {\n    display: flex;\n    justify-content: space-between;\n    padding: 10px;\n    border-bottom: 1px solid #ddd;\n}\n\nul li a {\n    color: #dc3545;\n    text-decoration: none;\n}\n<\/pre>\n\n\n\n\n
      \n\n

      \n \n \n 7??: ?????? ??\n<\/h2>\n\n
        \n
      1. ????? ?? http:\/\/localhost\/todo_app\/index.php<\/em>? ?????.<\/li>\n
      2. ?? ??? ???? ???? ?????. ?<\/li>\n<\/ol>\n\n\n
        \n\n
        \n

        ?????! PHP? MySQL? ???? ? ?? ?????? ?? ? ?? ??????. ? ??? ????? ? ??? ??????? ??? ?? ??? ?????. ?? ???? ?? ?? ??? ??? ?? ??? ??? ???.<\/p>\n<\/blockquote>\n\n

        ? ????? ??? ???? ??? ????? ?? ????? ??? ???. ??? ?????! ?<\/p>\n\n\n \n\n \n "}

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        ? ??? ?? PHP ???? ???? ?? PHP: ? ?? ?????? ?? ? ? ??

        ???? ?? PHP: ? ?? ?????? ?? ? ? ??

        Jan 06, 2025 am 01:23 AM

        ?? ? PHP? ????? ??? ? ?? ?? ???? ???? ? ??? ?????? ?? ? ?? ???? ????. ??? ?? ??? ????, ??????? ?? ????, ????? ?? ???? ???? ?? ?????.

        PHP for Beginners: Building Your First Database-Driven Web App

        ? ??????? PHP? MySQL? ???? ??? ? ? ?? ?? ??? ?????. ?? ???? ??? ????, ??, ??? ? ?? ???? ??????? ?? ? ????.


        ?? ??

        ??? ???? ?? ?? ??? ?????.

        • PHP(?? 7.4 ??)
        • MySQL(?? MariaDB)
        • XAMPP ?? Laragon? ?? ?? ??
        • VS Code? ?? ?? ???

        1??: ?? ??

        1. ?? ??(?: XAMPP)? ?????.
        2. Apache ? MySQL ???? ?????.
        3. ? ?? ????(XAMPP? htdocs)? ???? todo_app??? ? ??? ????.

        2??: ?????? ??

        1. phpMyAdmin? ???.
        2. todo_app??? ? ??????? ????.
        3. ?? ???? ????? ?? SQL ??? ?????.
        sql
        CREATE TABLE tasks (
            id INT AUTO_INCREMENT PRIMARY KEY,
            task VARCHAR(255) NOT NULL,
            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
        );
        

        3??: HTML ????? ??

        todo_app ??? index.php ??? ??? ?? HTML? ?????.

        <!DOCTYPE html>
        <html lang="en">
        <head>
            <meta charset="UTF-8">
            <meta name="viewport" content="width=device-width, initial-scale=1.0">
            <title>To-Do List App</title>
            <link rel="stylesheet" href="styles.css">
        </head>
        <body>
            <div>
        
        
        
        
        <hr>
        
        <h2>
          
          
          Step 4: Handle Adding Tasks
        </h2>
        
        <p>Create a new file called <em>add_task.php</em> and add the following code:<br>
        </p>
        
        <pre class="brush:php;toolbar:false"><?php
        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
            $task = $_POST['task'];
        
            // Connect to the database
            $conn = new mysqli("localhost", "root", "", "todo_app");
        
            // Insert the task into the database
            $stmt = $conn->prepare("INSERT INTO tasks (task) VALUES (?)");
            $stmt->bind_param("s", $task);
            $stmt->execute();
        
            $stmt->close();
            $conn->close();
        
            // Redirect back to the main page
            header("Location: index.php");
            exit();
        }
        ?>
        

        5??: ?? ?? ??

        delete_task.php?? ? ??? ????.

        <?php
        if (isset($_GET['id'])) {
            $id = $_GET['id'];
        
            // Connect to the database
            $conn = new mysqli("localhost", "root", "", "todo_app");
        
            // Delete the task from the database
            $stmt = $conn->prepare("DELETE FROM tasks WHERE id = ?");
            $stmt->bind_param("i", $id);
            $stmt->execute();
        
            $stmt->close();
            $conn->close();
        
            // Redirect back to the main page
            header("Location: index.php");
            exit();
        }
        ?>
        

        6??: ?? CSS ??(?? ??)

        ?? ??? styles.css ??? ??? ? ???? ?????.

        body {
            font-family: Arial, sans-serif;
            background-color: #f9f9f9;
            color: #333;
            margin: 0;
            padding: 0;
        }
        
        .container {
            width: 50%;
            margin: 50px auto;
            background: #fff;
            padding: 20px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
            border-radius: 8px;
        }
        
        h1 {
            text-align: center;
        }
        
        form {
            display: flex;
            justify-content: space-between;
            margin-bottom: 20px;
        }
        
        form input {
            flex: 1;
            padding: 10px;
            margin-right: 10px;
            border: 1px solid #ccc;
            border-radius: 4px;
        }
        
        form button {
            padding: 10px 20px;
            background-color: #28a745;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
        }
        
        form button:hover {
            background-color: #218838;
        }
        
        ul {
            list-style-type: none;
            padding: 0;
        }
        
        ul li {
            display: flex;
            justify-content: space-between;
            padding: 10px;
            border-bottom: 1px solid #ddd;
        }
        
        ul li a {
            color: #dc3545;
            text-decoration: none;
        }
        

        7??: ?????? ??

        1. ????? ?? http://localhost/todo_app/index.php? ?????.
        2. ?? ??? ???? ???? ?????. ?

        ?????! PHP? MySQL? ???? ? ?? ?????? ?? ? ?? ??????. ? ??? ????? ? ??? ??????? ??? ?? ??? ?????. ?? ???? ?? ?? ??? ??? ?? ??? ??? ???.

        ? ????? ??? ???? ??? ????? ?? ????? ??? ???. ??? ?????! ?

        ? ??? ???? ?? PHP: ? ?? ?????? ?? ? ? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!

        ? ????? ??
        ? ?? ??? ????? ???? ??? ??????, ???? ?????? ????. ? ???? ?? ???? ?? ??? ?? ????. ???? ??? ???? ???? ??? ?? admin@php.cn?? ?????.

        ? AI ??

        Undresser.AI Undress

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        ???? ?? ??? ??? ?? AI ?? ?

        AI Clothes Remover

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        ???? ?? ???? ??? AI ?????.

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        ??? ??? AI ?? ?? ??? ???? ?? ???? ??? ?? ????!

        ???

        ??? ??

        ???++7.3.1

        ???++7.3.1

        ???? ?? ?? ?? ???

        SublimeText3 ??? ??

        SublimeText3 ??? ??

        ??? ??, ???? ?? ????.

        ???? 13.0.1 ???

        ???? 13.0.1 ???

        ??? PHP ?? ?? ??

        ???? CS6

        ???? CS6

        ??? ? ?? ??

        SublimeText3 Mac ??

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        ? ??? ?? ?? ?????(SublimeText3)

        ???

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        TOSECURELYHANDLEAUSTENCENDACTIONANDACTERIZINGINPHP, FORCUCTSESTEPS : 1. ALWAYSHASHPASSWORTHPASSWORD_HASH () ? VERVERIFYUSINGPANSWORD_VERIFY (), usePREPAREDSTATEMENTSTOPREVENTSQLINGERGED, andSTOREUSERSESSEATAIN $ _SESSIONSAFTERLOGIN.2.impleplempletrole ?? ACCESSC

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        PHP?? ?? ??? ??? ???? ??? ??? ????. 1. ?? ??? ?? ? ?? ??? ??? ???? ???? ??? ? ????. ??? ??? ???? ????? ????? ???? ????. 2. ?? ?? ?? - ??, ??? ???? ?? ??? ?????. 3. ?? ???? ??? ??? ???? ??? ??? ?????. 4. Division? / ??? ???? 0?? ??? ?? ????? ??? ?? ??? ?? ? ? ????. 5. ???? ??? ???? ?? ?? ? ?? ??? ???? ? ??? ? ???, ??? ?? ? ? ??? ??? ???? ?????. ? ???? ???? ???? ??? ??? ??? ???? ?? ??? ? ??????? ????.

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