PHP & Javascript (3)

yurison·2022년 12월 22일
0

조건문 / 배열과 반복문

  • php
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Hello world</title>
</head>
<body>
    <?php
    $result = (1 == 1);
    if ($result) {
        echo "참";
    } else {
        echo "거짓";
    }
    $list = array("one", "two", "three");
    echo $list[2];
    echo count($list);
    ?>
    <ol>
        <?php
        $i = 0;
        while ($i < 10) {
            echo "<li>hello world</li>";
            $i = $i + 1;
        }
        ?>
    </ol>
    <ul>
        <?php
        $list2 = array("one", "two", "three");
        $j = 0;
        while ($j < count($list2)) {
            echo "<li>" . $list2[$j] . "</li>";
            $j = $j + 1;
        }
        ?>
    </ul>
</body>
</html>
  • Javascript
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <title>Hello world</title>
  </head>
  <body>
    <script>
      result = 1 == 1;
      if (result) {
        document.write("참");
      } else {
        document.write("거짓");
      }
      list = new Array("one", "two", "three");
      document.write(list[2]);
      document.write(list.length);
    </script>
    <ol>
      <script>
        j = 0;
        while (j < 10) {
          document.write("<li>hello world</li>");
          j = j + 1;
        }
      </script>
    </ol>
    <ul>
      <script>
        list2 = new Array("one", "two", "three");
        j = 0;
        while (j < list2.length) {
          document.write("<li>" + list[j] + "</li>");
          j = j + 1;
        }
      </script>
    </ul>
  </body>
</html>

간단한 로그인 기능 구현하기

  • php
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Hello world</title>
</head>
<body>
    <?php
        $pwd = $_GET["pwd"];
        if($pwd == 1111){
            echo "안녕하세요.";
        } else {
            echo "다시 입력해주세요.";
        }
    ?>
</body>
</html>
  • Javascript
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Hello world</title>
</head>
<body>
    <script>
        pwd = prompt("비밀번호를 입력하세요.");
        if(pwd == 1111){
            document.write("안녕하세요.");
        } else {
            document.write("다시 입력해주세요.");
        }
    </script>
</body>
</html>

함수

  • php
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8" />
    <title>Hello world</title>
</head>

<body>
    <?php
    function hello()
    {
        echo "Hello!!!";
    }
    hello();
    function add($a, $b)
    {
        echo $a + $b;
    }
    add(2, 5);
    ?>
</body>

</html>
  • Javascript
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <title>Hello world</title>
  </head>
  <body>
    <script>
      function hello() {
        document.write("Hello!!!");
      }
      hello();
      function add(a, b) {
        document.write(a + b);
      }
      add(2, 5);
    </script>
  </body>
</html>

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