diff --git a/language/control-structures.xml b/language/control-structures.xml
index 8adff8a75691..b9a6b334e9b5 100644
--- a/language/control-structures.xml
+++ b/language/control-structures.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<chapter xml:id="language.control-structures" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
+<chapter xml:id="language.control-structures" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" annotations="interactive">
  <title>Control Structures</title>
 
  <sect1 xml:id="control-structures.intro">
diff --git a/language/control-structures/alternative-syntax.xml b/language/control-structures/alternative-syntax.xml
index 185d0a2e04b2..ab0d7134ddf0 100644
--- a/language/control-structures/alternative-syntax.xml
+++ b/language/control-structures/alternative-syntax.xml
@@ -17,7 +17,9 @@
   <informalexample>
    <programlisting role="php">
 <![CDATA[
-<?php if ($a == 5): ?>
+<?php
+$a = 5;
+if ($a == 5): ?>
 A is equal to 5
 <?php endif; ?>
 ]]>
@@ -38,6 +40,7 @@ A is equal to 5
    <programlisting role="php">
 <![CDATA[
 <?php
+$a = 5;
 if ($a == 5):
     echo "a equals 5";
     echo "...";
@@ -47,7 +50,6 @@ elseif ($a == 6):
 else:
     echo "a is neither 5 nor 6";
 endif;
-?>
 ]]>
    </programlisting>
   </informalexample>
@@ -66,9 +68,11 @@ endif;
   <informalexample>
    <programlisting role="php">
 <![CDATA[
-<?php switch ($foo): ?>
+<?php
+$foo = 1;
+switch ($foo): ?>
     <?php case 1: ?>
-    // ...
+    Foo is 1
 <?php endswitch; ?>
 ]]>
    </programlisting>
@@ -82,9 +86,11 @@ endif;
   <informalexample>
    <programlisting role="php">
 <![CDATA[
-<?php switch ($foo): ?>
+<?php
+$foo = 1;
+switch ($foo): ?>
 <?php case 1: ?>
-    ...
+    Foo is 1
 <?php endswitch; ?>
 ]]>
    </programlisting>
diff --git a/language/control-structures/break.xml b/language/control-structures/break.xml
index 4e1b7f2fb23c..5d53aee82b6d 100644
--- a/language/control-structures/break.xml
+++ b/language/control-structures/break.xml
@@ -26,25 +26,24 @@ foreach ($arr as $val) {
     if ($val == 'stop') {
         break;    /* You could also write 'break 1;' here. */
     }
-    echo "$val<br />\n";
+    echo "$val\n";
 }
 
-/* Using the optional argument. */
-
+echo "\nUsing the optional argument:\n";
 $i = 0;
 while (++$i) {
     switch ($i) {
         case 5:
-            echo "At 5<br />\n";
+            echo "At 5\n";
             break 1;  /* Exit only the switch. */
         case 10:
-            echo "At 10; quitting<br />\n";
+            echo "At 10; quitting\n";
             break 2;  /* Exit the switch and the while. */
         default:
             break;
     }
+    echo "$i\n";
 }
-?>
 ]]>
    </programlisting>
   </informalexample>
diff --git a/language/control-structures/continue.xml b/language/control-structures/continue.xml
index 0635a484b60c..cfa2dede274a 100644
--- a/language/control-structures/continue.xml
+++ b/language/control-structures/continue.xml
@@ -40,7 +40,6 @@ foreach ($arr as $key => $value) {
     }
     echo $value . "\n";
 }
-?>
 ]]>
    </programlisting>
    &examples.outputs;
@@ -67,7 +66,6 @@ while ($i++ < 5) {
     }
     echo "Neither does this.\n";
 }
-?>
 ]]>
    </programlisting>
    &examples.outputs;
@@ -103,10 +101,9 @@ Inner
 <?php
 for ($i = 0; $i < 5; ++$i) {
     if ($i == 2)
-        continue
+        continue;
     print "$i\n";
 }
-?>
 ]]>
    </programlisting>
    <para>
diff --git a/language/control-structures/declare.xml b/language/control-structures/declare.xml
index 0b4f992a5f1a..94766aaa1f2f 100644
--- a/language/control-structures/declare.xml
+++ b/language/control-structures/declare.xml
@@ -36,7 +36,7 @@ declare (directive)
   be given as directive values. Variables and constants cannot be used. To
   illustrate:
   <informalexample>
-   <programlisting role="php">
+   <programlisting role="php" annotations="non-interactive">
 <![CDATA[
 <?php
 // This is valid:
@@ -45,7 +45,6 @@ declare(ticks=1);
 // This is invalid:
 const TICK_VALUE = 1;
 declare(ticks=TICK_VALUE);
-?>
 ]]>
    </programlisting>
   </informalexample>
@@ -63,7 +62,7 @@ declare(ticks=TICK_VALUE);
   <literal>declare</literal> was included then it does not affect the parent
   file).
   <informalexample>
-   <programlisting role="php">
+   <programlisting role="php" annotations="non-interactive">
 <![CDATA[
 <?php
 // these are the same:
@@ -76,7 +75,6 @@ declare(ticks=1) {
 // or you can use this:
 declare(ticks=1);
 // entire script here
-?>
 ]]>
    </programlisting>
   </informalexample>
@@ -123,10 +121,8 @@ $a = 1; // causes a tick event
 
 if ($a > 0) {
     $a += 2; // causes a tick event
-    print $a; // causes a tick event
+    print $a . "\n"; // causes a tick event
 }
-
-?>
 ]]>
    </programlisting>
   </example>
@@ -142,12 +138,11 @@ if ($a > 0) {
     A script's encoding can be specified per-script using the <literal>encoding</literal> directive.
   <example>
    <title>Declaring an encoding for the script</title>
-    <programlisting role="php">
+    <programlisting role="php" annotations="non-interactive">
 <![CDATA[
 <?php
 declare(encoding='ISO-8859-1');
 // code here
-?>
 ]]>
     </programlisting>
    </example>
diff --git a/language/control-structures/do-while.xml b/language/control-structures/do-while.xml
index 57ba3892a54f..f1dcad9ecee3 100644
--- a/language/control-structures/do-while.xml
+++ b/language/control-structures/do-while.xml
@@ -28,7 +28,6 @@ $i = 0;
 do {
     echo $i;
 } while ($i > 0);
-?>
 ]]>
    </programlisting>
   </informalexample>
@@ -50,21 +49,24 @@ do {
    <programlisting role="php">
 <![CDATA[
 <?php
+$i = 50;
+$factor = 0.5;
+$minimum_limit = 20;
 do {
     if ($i < 5) {
-        echo "i is not big enough";
+        echo "i is not big enough\n";
         break;
     }
     $i *= $factor;
     if ($i < $minimum_limit) {
+        echo "i is less than minimum limit after factor\n";
         break;
     }
-    echo "i is ok";
+    echo $i ." is ok\n";
 
     /* process i */
 
 } while (0);
-?>
 ]]>
    </programlisting>
   </informalexample>
diff --git a/language/control-structures/else.xml b/language/control-structures/else.xml
index dfe7db2b4f41..75dae87a8753 100644
--- a/language/control-structures/else.xml
+++ b/language/control-structures/else.xml
@@ -19,12 +19,13 @@
    <programlisting role="php">
 <![CDATA[
 <?php
+$a = 3;
+$b = 5;
 if ($a > $b) {
-  echo "a is greater than b";
+  echo "a is greater than b\n";
 } else {
-  echo "a is NOT greater than b";
+  echo "a is NOT greater than b\n";
 }
-?>
 ]]>
    </programlisting>
   </informalexample>
@@ -53,7 +54,6 @@ if ($a)
         echo "b";
 else
     echo "c";
-?>
 ]]>
     </programlisting>
    </informalexample>
diff --git a/language/control-structures/elseif.xml b/language/control-structures/elseif.xml
index 5685c704d3de..2b55bca85edd 100644
--- a/language/control-structures/elseif.xml
+++ b/language/control-structures/elseif.xml
@@ -21,6 +21,8 @@
    <programlisting role="php">
 <![CDATA[
 <?php
+$a = 1;
+$b = 1;
 if ($a > $b) {
     echo "a is bigger than b";
 } elseif ($a == $b) {
@@ -28,7 +30,6 @@ if ($a > $b) {
 } else {
     echo "a is smaller than b";
 }
-?>
 ]]>
    </programlisting>
   </informalexample>
@@ -67,6 +68,8 @@ if ($a > $b) {
    <programlisting role="php">
 <![CDATA[
 <?php
+$a = 3;
+$b = 1;
 
 /* Incorrect Method: */
 if ($a > $b):
@@ -82,6 +85,9 @@ endif;
    <programlisting role="php">
 <![CDATA[
 <?php
+$a = 3;
+$b = 1;
+
 /* Correct Method: */
 if ($a > $b):
     echo $a." is greater than ".$b;
@@ -90,8 +96,6 @@ elseif ($a == $b): // Note the combination of the words.
 else:
     echo $a." is neither greater than or equal to ".$b;
 endif;
-
-?>
 ]]>
    </programlisting>
   </informalexample>
diff --git a/language/control-structures/for.xml b/language/control-structures/for.xml
index f469985bde43..1d48a6a022de 100644
--- a/language/control-structures/for.xml
+++ b/language/control-structures/for.xml
@@ -54,36 +54,31 @@ for (expr1; expr2; expr3)
    <programlisting role="php">
 <![CDATA[
 <?php
-/* example 1 */
-
+echo "Example 1:\n";
 for ($i = 1; $i <= 10; $i++) {
-    echo $i;
+    echo $i . " ";
 }
 
-/* example 2 */
-
+echo "\nExample 2:\n";
 for ($i = 1; ; $i++) {
     if ($i > 10) {
         break;
     }
-    echo $i;
+    echo $i . " ";
 }
 
-/* example 3 */
-
+echo "\nExample 3:\n";
 $i = 1;
 for (; ; ) {
     if ($i > 10) {
         break;
     }
-    echo $i;
+    echo $i . " ";
     $i++;
 }
 
-/* example 4 */
-
-for ($i = 1, $j = 0; $i <= 10; $j += $i, print $i, $i++);
-?>
+echo "\nExample 4:\n";
+for ($i = 1, $j = 0; $i <= 10; $j += $i, print $i . " ", $i++);
 ]]>
    </programlisting>
   </informalexample>
@@ -127,9 +122,9 @@ $people = array(
 );
 
 for($i = 0; $i < count($people); ++$i) {
-    $people[$i]['salt'] = mt_rand(000000, 999999);
+    $people[$i]['salt'] = random_int(100000, 999999);
 }
-?>
+var_dump($people);
 ]]>
    </programlisting>
   </informalexample>
@@ -151,9 +146,9 @@ $people = array(
 );
 
 for($i = 0, $size = count($people); $i < $size; ++$i) {
-    $people[$i]['salt'] = mt_rand(000000, 999999);
+    $people[$i]['salt'] = random_int(100000, 999999);
 }
-?>
+var_dump($people);
 ]]>
    </programlisting>
   </informalexample>
diff --git a/language/control-structures/foreach.xml b/language/control-structures/foreach.xml
index 8cffaca5fa24..714975c851c2 100644
--- a/language/control-structures/foreach.xml
+++ b/language/control-structures/foreach.xml
@@ -50,14 +50,14 @@ foreach (iterable_expression as $key => $value) {
 <![CDATA[
 <?php
 
-/* Example: value only */
+echo "Value only\n";
 $array = [1, 2, 3, 17];
 
 foreach ($array as $value) {
     echo "Current element of \$array: $value.\n";
 }
 
-/* Example: key and value */
+echo "\n\nKey and value:\n";
 $array = [
     "one" => 1,
     "two" => 2,
@@ -69,7 +69,7 @@ foreach ($array as $key => $value) {
     echo "Key: $key => Value: $value\n";
 }
 
-/* Example: multi-dimensional key-value arrays */
+echo "\n\nMulti-dimensional key-value arrays:\n";
 $grid = [];
 $grid[0][0] = "a";
 $grid[0][1] = "b";
@@ -82,11 +82,10 @@ foreach ($grid as $y => $row) {
     }
 }
 
-/* Example: dynamic arrays */
+echo "\n\nDynamic arrays:\n";
 foreach (range(1, 5) as $value) {
     echo "$value\n";
 }
-?>
 ]]>
   </programlisting>
  </example>
@@ -139,7 +138,6 @@ foreach ($array as [$a, $b]) {
 foreach ($array as list($a, $b)) {
     echo "A: $a; B: $b\n";
 }
-?>
 ]]>
     </programlisting>
     &example.outputs;
@@ -174,7 +172,6 @@ foreach ($array as [, , $c]) {
     // Skipping over $a and $b
     echo "$c\n";
 }
-?>
 ]]>
     </programlisting>
     &example.outputs;
@@ -205,7 +202,6 @@ $array = [
 foreach ($array as [$a, $b, $c]) {
     echo "A: $a; B: $b; C: $c\n";
 }
-?>
 ]]>
     </programlisting>
     &example.outputs;
@@ -238,8 +234,8 @@ foreach ($arr as &$value) {
     $value = $value * 2;
 }
 // $arr is now [2, 4, 6, 8]
+var_dump($arr);
 unset($value); // break the reference with the last element
-?>
 ]]>
     </programlisting>
    </informalexample>
@@ -260,25 +256,48 @@ foreach ($arr as &$value) {
     $value = $value * 2;
 }
 // $arr is now [2, 4, 6, 8]
+var_dump($arr);
 
 // without an unset($value), $value is still a reference to the last item: $arr[3]
 
+echo "\nAnother loop:\n";
 foreach ($arr as $key => $value) {
     // $arr[3] will be updated with each value from $arr...
-    echo "{$key} => {$value} ";
-    print_r($arr);
+    echo "{$key} => {$value}\n";
 }
 // ...until ultimately the second-to-last value is copied onto the last value
-?>
+var_dump($arr);
 ]]>
     </programlisting>
     &example.outputs;
     <screen>
 <![CDATA[
-0 => 2 Array ( [0] => 2, [1] => 4, [2] => 6, [3] => 2 )
-1 => 4 Array ( [0] => 2, [1] => 4, [2] => 6, [3] => 4 )
-2 => 6 Array ( [0] => 2, [1] => 4, [2] => 6, [3] => 6 )
-3 => 6 Array ( [0] => 2, [1] => 4, [2] => 6, [3] => 6 )
+array(4) {
+  [0]=>
+  int(2)
+  [1]=>
+  int(4)
+  [2]=>
+  int(6)
+  [3]=>
+  &int(8)
+}
+
+Another loop:
+0 => 2
+1 => 4
+2 => 6
+3 => 6
+array(4) {
+  [0]=>
+  int(2)
+  [1]=>
+  int(4)
+  [2]=>
+  int(6)
+  [3]=>
+  &int(6)
+}
 ]]>
     </screen>
    </informalexample>
@@ -290,8 +309,8 @@ foreach ($arr as $key => $value) {
 <?php
 foreach ([1, 2, 3, 4] as &$value) {
     $value = $value * 2;
+    echo $value . "\n";
 }
-?>
 ]]>
    </programlisting>
   </example>
diff --git a/language/control-structures/goto.xml b/language/control-structures/goto.xml
index b68d4ca2b6c6..9422253da580 100644
--- a/language/control-structures/goto.xml
+++ b/language/control-structures/goto.xml
@@ -35,14 +35,11 @@
    <programlisting role="php">
 <![CDATA[
 <?php
-
 goto a;
 echo 'Foo';
 
 a:
 echo 'Bar';
-
-?>
 ]]>
    </programlisting>
    &example.outputs;
@@ -59,7 +56,6 @@ Bar
    <programlisting role="php">
 <![CDATA[
 <?php
-
 for ($i = 0, $j = 50; $i < 100; $i++) {
     while ($j--) {
         if ($j == 17) {
@@ -70,8 +66,6 @@ for ($i = 0, $j = 50; $i < 100; $i++) {
 echo "i = $i";
 end:
 echo 'j hit 17';
-
-?>
 ]]>
    </programlisting>
    &example.outputs;
@@ -88,7 +82,6 @@ j hit 17
    <programlisting role="php">
 <![CDATA[
 <?php
-
 goto loop;
 for ($i = 0, $j = 50; $i < 100; $i++) {
     while ($j--) {
@@ -96,15 +89,12 @@ for ($i = 0, $j = 50; $i < 100; $i++) {
     }
 }
 echo "$i = $i";
-
-?>
 ]]>
    </programlisting>
    &example.outputs;
    <screen>
 <![CDATA[
-Fatal error: 'goto' into loop or switch statement is disallowed in
-script on line 2
+Fatal error: 'goto' into loop or switch statement is disallowed in script on line 2
 ]]>
    </screen>
   </example>
diff --git a/language/control-structures/if.xml b/language/control-structures/if.xml
index 386aafe7705e..15c06704c4f9 100644
--- a/language/control-structures/if.xml
+++ b/language/control-structures/if.xml
@@ -36,9 +36,10 @@ if (expr)
    <programlisting role="php">
 <![CDATA[
 <?php
+$a = 3;
+$b = 1;
 if ($a > $b)
-  echo "a is bigger than b";
-?>
+  echo "a is bigger than b\n";
 ]]>
    </programlisting>
   </informalexample>
@@ -56,11 +57,13 @@ if ($a > $b)
    <programlisting role="php">
 <![CDATA[
 <?php
+$a = 3;
+$b = 1;
 if ($a > $b) {
-  echo "a is bigger than b";
+  echo "a is bigger than b\n";
   $b = $a;
 }
-?>
+var_dump($b);
 ]]>
    </programlisting>
   </informalexample>
diff --git a/language/control-structures/include.xml b/language/control-structures/include.xml
index 33a91ebc79dc..b9beafae3558 100644
--- a/language/control-structures/include.xml
+++ b/language/control-structures/include.xml
@@ -54,7 +54,7 @@
  <para>
   <example>
    <title>Basic <literal>include</literal> example</title>
-   <programlisting role="php">
+   <programlisting role="php" annotations="non-interactive">
 <![CDATA[
 vars.php
 <?php
@@ -90,7 +90,7 @@ echo "A $color $fruit"; // A green apple
  <para>
   <example>
    <title>Including within functions</title>
-   <programlisting role="php">
+   <programlisting role="php" annotations="non-interactive">
 <![CDATA[
 <?php
 
@@ -110,8 +110,6 @@ function foo()
 
 foo();                    // A green apple
 echo "A $color $fruit";   // A green
-
-?>
 ]]>
    </programlisting>
   </example>
@@ -140,7 +138,7 @@ echo "A $color $fruit";   // A green
  <para>
   <example>
    <title><literal>include</literal> through HTTP</title>
-   <programlisting role="php">
+   <programlisting role="php" annotations="non-interactive">
 <![CDATA[
 <?php
 
@@ -157,7 +155,6 @@ include 'file.php?foo=1&bar=2';
 
 // Works.
 include 'http://www.example.com/file.php?foo=1&bar=2';
-?>
 ]]>
    </programlisting>
   </example>
@@ -200,7 +197,7 @@ include 'http://www.example.com/file.php?foo=1&bar=2';
   return value.
   <example>
    <title>Comparing return value of include</title>
-   <programlisting role="php">
+   <programlisting role="php" annotations="non-interactive">
 <![CDATA[
 <?php
 // won't work, evaluated as include(('vars.php') == TRUE), i.e. include('1')
@@ -212,7 +209,6 @@ if (include('vars.php') == TRUE) {
 if ((include 'vars.php') == TRUE) {
     echo 'OK';
 }
-?>
 ]]>
    </programlisting>
   </example>
@@ -220,7 +216,7 @@ if ((include 'vars.php') == TRUE) {
  <para>
   <example>
    <title><literal>include</literal> and the <function>return</function> statement</title>
-   <programlisting role="php">
+   <programlisting role="php" annotations="non-interactive">
 <![CDATA[
 return.php
 <?php
@@ -278,7 +274,7 @@ echo $bar; // prints 1
  <para>
   <example>
    <title>Using output buffering to include a PHP file into a string</title>
-   <programlisting role="php">
+   <programlisting role="php" annotations="non-interactive">
 <![CDATA[
 <?php
 $string = get_include_contents('somefile.php');
@@ -291,8 +287,6 @@ function get_include_contents($filename) {
     }
     return false;
 }
-
-?>
 ]]>
    </programlisting>
   </example>
diff --git a/language/control-structures/match.xml b/language/control-structures/match.xml
index f74bf7064644..f39c96800a9f 100644
--- a/language/control-structures/match.xml
+++ b/language/control-structures/match.xml
@@ -18,14 +18,13 @@
 
  <example>
   <title>Structure of a <literal>match</literal> expression</title>
-  <programlisting role="php">
+  <programlisting role="php" annotations="non-interactive">
 <![CDATA[
 <?php
 $return_value = match (subject_expression) {
     single_conditional_expression => return_expression,
     conditional_expression1, conditional_expression2 => return_expression,
 };
-?>
 ]]>
   </programlisting>
   
@@ -43,7 +42,6 @@ $return_value = match ($food) {
 };
 
 var_dump($return_value);
-?>
 ]]>
   </programlisting>
   &example.outputs;
@@ -70,7 +68,6 @@ $output = match (true) {
 };
 
 var_dump($output);
-?>
 ]]>
   </programlisting>
   &example.outputs;
@@ -135,7 +132,7 @@ string(8) "Teenager"
   expression will be evaluated.
   For example:
   <informalexample>
-   <programlisting role="php">
+   <programlisting role="php" annotations="non-interactive">
 <![CDATA[
 <?php
 $result = match ($x) {
@@ -144,7 +141,6 @@ $result = match ($x) {
     $this->baz => beep(), // beep() isn't called unless $x === $this->baz
     // etc.
 };
-?>
 ]]>
    </programlisting>
   </informalexample>
@@ -157,7 +153,7 @@ $result = match ($x) {
  </para>
  <para>
   <informalexample>
-   <programlisting role="php">
+   <programlisting role="php" annotations="non-interactive">
 <![CDATA[
 <?php
 $result = match ($x) {
@@ -168,7 +164,6 @@ $result = match ($x) {
     $b => 5,
     $c => 5,
 };
-?>
 ]]>
    </programlisting>
   </informalexample>
@@ -178,7 +173,7 @@ $result = match ($x) {
   This pattern matches anything that wasn't previously matched.
   For example:
   <informalexample>
-   <programlisting role="php">
+   <programlisting role="php" annotations="non-interactive">
 <![CDATA[
 <?php
 $expressionResult = match ($condition) {
@@ -186,7 +181,6 @@ $expressionResult = match ($condition) {
     3, 4 => bar(),
     default => baz(),
 };
-?>
 ]]>
    </programlisting>
   </informalexample>
@@ -219,7 +213,6 @@ try {
 } catch (\UnhandledMatchError $e) {
     var_dump($e);
 }
-?>
 ]]>
   </programlisting>
   &example.outputs;
@@ -227,13 +220,13 @@ try {
 <![CDATA[
 object(UnhandledMatchError)#1 (7) {
   ["message":protected]=>
-  string(33) "Unhandled match value of type int"
+  string(33) "Unhandled match case 5"
   ["string":"Error":private]=>
   string(0) ""
   ["code":protected]=>
   int(0)
   ["file":protected]=>
-  string(9) "/in/ICgGK"
+  string(9) "script"
   ["line":protected]=>
   int(6)
   ["trace":"Error":private]=>
@@ -259,7 +252,6 @@ object(UnhandledMatchError)#1 (7) {
    <programlisting role="php">
 <![CDATA[
 <?php
-
 $age = 23;
 
 $result = match (true) {
@@ -270,7 +262,6 @@ $result = match (true) {
 };
 
 var_dump($result);
-?>
 ]]>
    </programlisting>
    &example.outputs;
@@ -296,7 +287,6 @@ $result = match (true) {
 };
 
 var_dump($result);
-?>
 ]]>
    </programlisting>
    &example.outputs;
diff --git a/language/control-structures/switch.xml b/language/control-structures/switch.xml
index 3ffa3a6098ca..829c889b674c 100644
--- a/language/control-structures/switch.xml
+++ b/language/control-structures/switch.xml
@@ -38,30 +38,30 @@
    <programlisting role="php">
 <![CDATA[
 <?php
+$i = 1;
+
 // This switch statement:
 
 switch ($i) {
     case 0:
-        echo "i equals 0";
+        echo "i equals 0\n";
         break;
     case 1:
-        echo "i equals 1";
+        echo "i equals 1\n";
         break;
     case 2:
-        echo "i equals 2";
+        echo "i equals 2\n";
         break;
 }
 
 // Is equivalent to:
-
 if ($i == 0) {
-    echo "i equals 0";
+    echo "i equals 0\n";
 } elseif ($i == 1) {
-    echo "i equals 1";
+    echo "i equals 1\n";
 } elseif ($i == 2) {
-    echo "i equals 2";
+    echo "i equals 2\n";
 }
-?>
 ]]>
    </programlisting>
   </example>
@@ -84,15 +84,16 @@ if ($i == 0) {
    <programlisting role="php">
 <![CDATA[
 <?php
+$i = 1;
+
 switch ($i) {
     case 0:
-        echo "i equals 0";
+        echo "i equals 0\n";
     case 1:
-        echo "i equals 1";
+        echo "i equals 1\n";
     case 2:
-        echo "i equals 2";
+        echo "i equals 2\n";
 }
-?>
 ]]>
    </programlisting>
   </informalexample>
@@ -121,6 +122,8 @@ switch ($i) {
    <programlisting role="php">
 <![CDATA[
 <?php
+$i = 1;
+
 switch ($i) {
     case 0:
     case 1:
@@ -130,7 +133,6 @@ switch ($i) {
     case 3:
         echo "i is 3";
 }
-?>
 ]]>
    </programlisting>
   </informalexample>
@@ -142,6 +144,8 @@ switch ($i) {
    <programlisting role="php">
 <![CDATA[
 <?php
+$i = 4;
+
 switch ($i) {
     case 0:
         echo "i equals 0";
@@ -155,7 +159,6 @@ switch ($i) {
     default:
        echo "i is not equal to 0, 1 or 2";
 }
-?>
 ]]>
    </programlisting>
   </informalexample>
@@ -205,7 +208,6 @@ switch ($target) {
 }
 
 // Prints "B"
-?>
 ]]>
    </programlisting>
   </informalexample>
@@ -236,7 +238,6 @@ switch (true) {
 }
 
 // Prints "B"
-?>
 ]]>
    </programlisting>
   </informalexample>
@@ -250,6 +251,8 @@ switch (true) {
    <programlisting role="php">
 <![CDATA[
 <?php
+$i = 1;
+
 switch ($i):
     case 0:
         echo "i equals 0";
@@ -263,17 +266,18 @@ switch ($i):
     default:
         echo "i is not equal to 0, 1 or 2";
 endswitch;
-?>
 ]]>
    </programlisting>
   </informalexample>
  </para>
  <para>
-  It's possible to use a semicolon instead of a colon after a case like:
+  It's possible to use a semicolon instead of a colon after a case. This syntax is deprecated.
   <informalexample>
    <programlisting role="php">
 <![CDATA[
 <?php
+$beer = 'cola';
+
 switch($beer)
 {
     case 'tuborg';
@@ -286,7 +290,6 @@ switch($beer)
         echo 'Please make a new selection...';
         break;
 }
-?>
 ]]>
    </programlisting>
   </informalexample>
diff --git a/language/control-structures/while.xml b/language/control-structures/while.xml
index 7551356875b9..bbc740ffe8ce 100644
--- a/language/control-structures/while.xml
+++ b/language/control-structures/while.xml
@@ -57,19 +57,18 @@ endwhile;
 
 $i = 1;
 while ($i <= 10) {
-    echo $i++;  /* the printed value would be
-                   $i before the increment
-                   (post-increment) */
+    echo $i++ . "\n";  /* the printed value would be
+                          $i before the increment
+                          (post-increment) */
 }
 
 /* example 2 */
 
 $i = 1;
 while ($i <= 10):
-    echo $i;
+    echo $i . "\n";
     $i++;
 endwhile;
-?>
 ]]>
    </programlisting>
   </informalexample>