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  1. <?php
  2. $output = "KCSC";
  3.  
  4. if ($_SERVER["REQUEST_METHOD"] == "POST") {
  5.     if (isset($_POST["username"]) && !empty($_POST["username"])) {
  6.         $username = $_POST["username"];
  7.     } else {
  8.         $username = "KCSC";
  9.     }
  10.     $output = shell_exec("echo $username");
  11.  
  12.     if ($output) {
  13.         $output = htmlentities(trim($output));
  14.         if (strlen($output) > 1000) {
  15.             $output = substr($output, 0, 1000) . "\n... (output truncated)";
  16.         }
  17.     }
  18. }
  19.  
  20. $ascii_art = <<< EOF
  21. <pre> 
  22. <div class="text-center">-------------------<br>Meow Meow, $output!<br>-------------------</div>
  23.                                     \/
  24.                                       \/
  25.                                          \/
  26.                                          \/
  27.                             `::`
  28.                             /
  29.                             `    `;:`
  30.         _          .;:;          /                  
  31.       _(_)_        ::;       wWWWw  ,,,     _      
  32.      (_)<font color="orange">@</font>(_),,,  _ ';:;;'    (___) {{{}}  _(_)_     
  33.       /(_) {{{}} >'. ||  _    ~Y~   ~Y~  (_)<font color="pink">@</font>(_)      |\__/,|   (`\
  34.       |  {{}~Y~  `> \||.'< (<font color="crimson">@</font>)\|{}} \|/   /(_)        |_ _  |.--.) )
  35.     (\|/)~Y~\|/    `>|/ <` \Y/\|~Y~ \|/ (\|/)         ( T   )     /
  36.      \|//\|/\|//    `||/`  \|/\|\|/\|//\|//          (((^_(((/(((_/
  37. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  38. <pre>
  39. EOF;
  40. ?>
  41. <!DOCTYPE html>
  42. <html lang="en">
  43.  
  44. <head>
  45.     <meta charset="UTF-8">
  46.     <meta username="viewport" content="width=device-width, initial-scale=1.0">
  47.     <title>KCSC - Meow Meow</title>
  48.     <link rel="stylesheet" href="static/style.css">
  49.     <link rel="shortcut icon" href="./static/favicon-32x32.png" type="image/x-icon">
  50. </head>
  51.  
  52. <body>
  53.     <div class="container">
  54.         <div class="ascii_art">
  55.             <?= $ascii_art; ?>
  56.         </div>
  57.         <div class="form-container">
  58.             <form action="/" method="POST">
  59.                 <input class="text-center" type="text" name="username" placeholder="What's your name?">
  60.             </form>
  61.         </div>
  62.     </div>
  63.     </div>
  64. </body>
  65.  
  66. </html>
Success #stdin #stdout #stderr 0.03s 26176KB
comments (?)
stdin
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Standard input is empty
stdout
copy 
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta username="viewport" content="width=device-width, initial-scale=1.0">
    <title>KCSC - Meow Meow</title>
    <link rel="stylesheet" href="static/style.css">
    <link rel="shortcut icon" href="./static/favicon-32x32.png" type="image/x-icon">
</head>

<body>
    <div class="container">
        <div class="ascii_art">
            <pre> 
<div class="text-center">-------------------<br>Meow Meow, KCSC!<br>-------------------</div>
                                    \/
                                      \/
                                         \/
                                         \/
                            `::`
                            /
                            `    `;:`
        _          .;:;          /                  
      _(_)_        ::;       wWWWw  ,,,     _      
     (_)<font color="orange">@</font>(_),,,  _ ';:;;'    (___) {{{}}  _(_)_     
      /(_) {{{}} >'. ||  _    ~Y~   ~Y~  (_)<font color="pink">@</font>(_)      |\__/,|   (`\
      |  {{}~Y~  `> \||.'< (<font color="crimson">@</font>)\|{}} \|/   /(_)        |_ _  |.--.) )
    (\|/)~Y~\|/    `>|/ <` \Y/\|~Y~ \|/ (\|/)         ( T   )     /
     \|//\|/\|//    `||/`  \|/\|\|/\|//\|//          (((^_(((/(((_/
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
<pre>        </div>
        <div class="form-container">
            <form action="/" method="POST">
                <input class="text-center" type="text" name="username" placeholder="What's your name?">
            </form>
        </div>
    </div>
    </div>
</body>

</html>
stderr
copy 
PHP Notice:  Undefined index: REQUEST_METHOD in /home/Ek7O4e/prog.php on line 4
https://ideone.com/t2l7Yz
language:
PHP (php 7.3.5)
created:
5 days ago
visibility:
public

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