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  1. /<!DOCTYPE html>
  2. <html>
  3. <head>
  4.     <title>Калькулятор</title>
  5.     <meta charset="utf-8">
  6.     <style>
  7.         p {font-size: 1.2em;}
  8.         .error {color: Blue; font-size: 2em;}
  9.         form>label {display: block; margin: 5px 10px}
  10.         input {padding: 4px;}
  11.         fieldset {width: 200px; margin: 5px 10px}
  12.         input[type="submit"] {border: 3px solid #ffcc00; background: #efe4bd; margin: 5px 10px; padding: 4px;}
  13.     </style>
  14. </head>
  15. <body>
  16. <?php
  17. if ($_SERVER['REQUEST_METHOD'] != 'POST')
  18. {
  19.     ?>
  20.     <form action="lab4_1.php" method="post">
  21.         <label>x <input type="text" placeholder="Введите 1е число" name="x"></label>
  22.         <label>y <input type="text" placeholder="Введите 2е число" name="y"></label>
  23.         <fieldset>
  24.             <legend>Вид операции</legend>
  25.             <select name="s1">
  26.                 <option value="+">+</option>
  27.                 <option value="-">-</option>
  28.                 <option value="*">*</option>
  29.                 <option value="/">/</option>
  30.             </select></br><hr>
  31.         </fieldset>
  32.         <input type="submit" value="Вычислить">
  33.     </form>
  34. <?php
  35. } else
  36. {
  37.     if ( isset($_POST["x"]) && isset($_POST["y"]))
  38.     {
  39.         switch ($_POST["s1"])
  40.         {
  41.             case "+": $r=$_POST["x"]+$_POST["y"]; break;
  42.             case "-": $r=$_POST["x"]-$_POST["y"]; break;
  43.             case "*": $r=$_POST["x"]*$_POST["y"]; break;
  44.             case "/": $r=$_POST["x"]/$_POST["y"]; break;
  45.             default : $r="Операция не поддерживается";
  46.         }
  47.         echo "<p>Результат: $r</p>";
  48.     }
  49.     else {
  50.         echo <<<EOD
  51. 			<p class="error">Не все переменные определены</p>
  52. EOD;
  53.         }
  54. }
  55. ?>
  56. </body>
  57. </html>
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
Main.java:1: error: class, interface, or enum expected
/<!DOCTYPE html>
^
Main.java:1: error: class, interface, or enum expected
/<!DOCTYPE html>
 ^
Main.java:1: error: class, interface, or enum expected
/<!DOCTYPE html>
  ^
Main.java:1: error: class, interface, or enum expected
/<!DOCTYPE html>
   ^
Main.java:7: error: malformed floating point literal
        p {font-size: 1.2em;}
                      ^
Main.java:7: error: class, interface, or enum expected
        p {font-size: 1.2em;}
                            ^
Main.java:8: error: class, interface, or enum expected
        .error {color: Blue; font-size: 2em;}
                             ^
Main.java:8: error: malformed floating point literal
        .error {color: Blue; font-size: 2em;}
                                        ^
Main.java:8: error: class, interface, or enum expected
        .error {color: Blue; font-size: 2em;}
                                            ^
Main.java:9: error: class, interface, or enum expected
        form>label {display: block; margin: 5px 10px}
                                    ^
Main.java:10: error: class, interface, or enum expected
        input {padding: 4px;}
                            ^
Main.java:11: error: class, interface, or enum expected
        fieldset {width: 200px; margin: 5px 10px}
                                ^
Main.java:12: error: illegal character: '#'
        input[type="submit"] {border: 3px solid #ffcc00; background: #efe4bd; margin: 5px 10px; padding: 4px;}
                                                ^
Main.java:12: error: class, interface, or enum expected
        input[type="submit"] {border: 3px solid #ffcc00; background: #efe4bd; margin: 5px 10px; padding: 4px;}
                                                         ^
Main.java:12: error: illegal character: '#'
        input[type="submit"] {border: 3px solid #ffcc00; background: #efe4bd; margin: 5px 10px; padding: 4px;}
                                                                     ^
Main.java:12: error: class, interface, or enum expected
        input[type="submit"] {border: 3px solid #ffcc00; background: #efe4bd; margin: 5px 10px; padding: 4px;}
                                                                              ^
Main.java:12: error: class, interface, or enum expected
        input[type="submit"] {border: 3px solid #ffcc00; background: #efe4bd; margin: 5px 10px; padding: 4px;}
                                                                                                ^
Main.java:12: error: class, interface, or enum expected
        input[type="submit"] {border: 3px solid #ffcc00; background: #efe4bd; margin: 5px 10px; padding: 4px;}
                                                                                                             ^
Main.java:17: error: unclosed character literal
if ($_SERVER['REQUEST_METHOD'] != 'POST')
             ^
Main.java:17: error: unclosed character literal
if ($_SERVER['REQUEST_METHOD'] != 'POST')
                            ^
Main.java:17: error: unclosed character literal
if ($_SERVER['REQUEST_METHOD'] != 'POST')
                                  ^
Main.java:17: error: unclosed character literal
if ($_SERVER['REQUEST_METHOD'] != 'POST')
                                       ^
Main.java:41: error: class, interface, or enum expected
            case "+": $r=$_POST["x"]+$_POST["y"]; break;
                                                  ^
Main.java:42: error: class, interface, or enum expected
            case "-": $r=$_POST["x"]-$_POST["y"]; break;
            ^
Main.java:42: error: class, interface, or enum expected
            case "-": $r=$_POST["x"]-$_POST["y"]; break;
                                                  ^
Main.java:43: error: class, interface, or enum expected
            case "*": $r=$_POST["x"]*$_POST["y"]; break;
            ^
Main.java:43: error: class, interface, or enum expected
            case "*": $r=$_POST["x"]*$_POST["y"]; break;
                                                  ^
Main.java:44: error: class, interface, or enum expected
            case "/": $r=$_POST["x"]/$_POST["y"]; break;
            ^
Main.java:44: error: class, interface, or enum expected
            case "/": $r=$_POST["x"]/$_POST["y"]; break;
                                                  ^
Main.java:45: error: class, interface, or enum expected
            default : $r="???????? ?? ??????????????";
                    ^
Main.java:46: error: class, interface, or enum expected
        }
        ^
Main.java:48: error: class, interface, or enum expected
    }
    ^
Main.java:51: error: <identifier> expected
			<p class="error">?? ??? ?????????? ??????????</p>
			        ^
Main.java:51: error: illegal start of type
			<p class="error">?? ??? ?????????? ??????????</p>
			         ^
Main.java:51: error: <identifier> expected
			<p class="error">?? ??? ?????????? ??????????</p>
			                ^
Main.java:51: error: ';' expected
			<p class="error">?? ??? ?????????? ??????????</p>
			                 ^
Main.java:51: error: ';' expected
			<p class="error">?? ??? ?????????? ??????????</p>
			                                  ^
Main.java:51: error: illegal start of type
			<p class="error">?? ??? ?????????? ??????????</p>
			                                              ^
Main.java:51: error: ';' expected
			<p class="error">?? ??? ?????????? ??????????</p>
			                                                ^
Main.java:52: error: <identifier> expected
EOD;
   ^
Main.java:54: error: class, interface, or enum expected
}
^
41 errors
stdout
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Standard output is empty
https://ideone.com/UtCWDL
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
public

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