• \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 ?? ?

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

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

      ???

      ??? ??

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

      SublimeText3 ??? ??

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

      ???? 13.0.1 ???

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      ??? PHP ?? ?? ??

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      ??? ? ?? ??

      SublimeText3 Mac ??

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

      ???

      ??? ??

      PHP ????
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      PHP? ?? ?? ????? ?? ?? PHP? ?? ?? ????? ?? ?? Jul 29, 2025 am 05:01 AM

      ??? ??? ?? ??????. PHP??? ???? ?????. ??? IEEE754 ?? ??? ??? ???? ??? ??? ???? ??? ? ?? ????. 1.0.1 ?? 0.2? ?? ??? ??? ?? ?? ???? ???? ??? ???? ?? ??????. 2. ?? ??? ??? ??? ?? abs ($ a- $ b)? ?? == ?? ??? ???????.

      ?? ?? ?? : PHP ???? ?? ?? ? If-Else ?? ?? ?? : PHP ???? ?? ?? ? If-Else Aug 02, 2025 pm 04:34 PM

      SwitchCanbeslightllyFasterthanif-ELSEWHENCOMOMOPINGASINGLEVARIABLEAGAINSTMULTIPLESCALARVALUS, ?? MANYCASESORCASSOUSUUDINGETEGERSDUETOSSIBLEJUMPTableOPTIMITION; 2.IF-ELSEOISE VALEATEDESTEMENTIOLYANDERSURTERCOMPENXCONDITIONSINVOLVENTIVEDIFF

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