Errata amendments

11/20.php

@@ -7,6 +7,6 @@
   function mysql_fix_string($pdo, $string)
   {
     if (get_magic_quotes_gpc()) $string = stripslashes($string);
-    return $pdo->real_escape_string($string);
+    return $pdo->quote($string);
   }
 ?>

12/03.html

@@ -1,5 +1,6 @@
 <form method="post" action="calc.php"><pre>
       Loan Amount <input type="text" name="principal">
+Monthly Repayment <input type="text" name="monthly">
   Number of Years <input type="text" name="years"    value="15">
     Interest Rate <input type="text" name="interest" value="3">
                   <input type="submit">

18/01.js

@@ -1,28 +0,0 @@
-<script>
-  function asyncRequest()
-  {
-    try // Non IE Browser?
-    {   // Yes
-      var request = new XMLHttpRequest()
-    }
-    catch(e1)
-    {
-      try // IE 6+?
-      {   // Yes
-        request = new ActiveXObject("Msxml2.XMLHTTP")
-      }
-      catch(e2)
-      {
-        try // IE 5?
-        {   // Yes
-          request = new ActiveXObject("Microsoft.XMLHTTP")
-        }
-        catch(e3) // There is no asynchronous support
-        { 
-          request = false
-        }
-      }
-    }
-    return request
-  }
-</script>

18/02.php

@@ -3,7 +3,6 @@
   {
     echo file_get_contents('http://' . SanitizeString($_POST['url']));
   }
-  
     function SanitizeString($var)
   {
     $var = strip_tags($var);

18/03.html

@@ -11,8 +11,7 @@
       let nocache = "&nocache=" + Math.random() * 1000000
       let XHR = new XMLHttpRequest()
 
-      XHR.open("POST", "http://127.0.0.1/18/urlget.php?url=news.com" + nocache, true)
+      XHR.open("GET", "http://127.0.0.1/18/urlget.php?url=news.com" + nocache, true)
-      XHR.setRequestHeader("Content-type", "application/x-www-form-urlencoded")
       XHR.send()
 
       XHR.onreadystatechange = function()

18/04.php

@@ -1,7 +1,6 @@
-<?php // xmlget.php
+<?php
   if (isset($_GET['url']))
   {
-    header('Content-Type: text/xml');
     echo file_get_contents("http://".sanitizeString($_GET['url']));
   }
 

18/05.php

@@ -1,9 +1,9 @@
-<?php // urlget.php
+<?php
   if (isset($_GET['url']))
   {
+    header('Content-Type: text/xml');
     echo file_get_contents("http://".sanitizeString($_GET['url']));
   }
-
   function sanitizeString($var)
   {
     $var = strip_tags($var);

18/07.xml

@@ -4,7 +4,7 @@
     <title>RSS Feed</title>
     <link>http://website.com</link>
     <description>website.com's RSS Feed</description>
-    <pubDate>Mon, 11 May 2020 00:00:00 GMT</pubDate>
+    <pubDate>Mon, 10 May 2027 00:00:00 GMT</pubDate>
     <item>
       <title>Headline</title>
       <guid>http://website.com/headline</guid>

19/03.html

@@ -8,8 +8,6 @@
         background:linear-gradient(top, #fb0, #f50);
         background:-moz-linear-gradient(top, #fb0, #f50);
         background:-webkit-linear-gradient(top, #fb0, #f50);
-        background:-o-linear-gradient(top, #fb0, #f50);
-        background:-ms-linear-gradient(top, #fb0, #f50); }
     </style>
   </head>
   <body>