Eliminate all <link> stuff from CDATA sections, and moved DEV comments

out of example code. The manual pages with these examples were a huge
mess...


git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@66335 c90b9560-bf6c-de11-be94-00142212c4b1

language/types.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.69 $ -->
+<!-- $Revision: 1.70 $ -->
  <chapter id="language.types">
   <title>Types</title>
 
@@ -172,12 +172,13 @@ $foo = True; // assign the value TRUE to $foo
       <informalexample>
        <programlisting role="php">
 <![CDATA[
-if ($action == "show_version") { // == is an <link linkend="language.operators">operator</link> which returns a <type>boolean</type>
+// == is an operator which returns a boolean
+if ($action == "show_version") {
     echo "The version is 1.23";
 }
 
 // this is not necessary:
-if ($show_separators == true) {
+if ($show_separators == TRUE) {
     echo "<hr>\n";
 }
 
@@ -833,20 +834,22 @@ echo "He drunk some ${beer}s"; // works
        <programlisting role="php">
 <![CDATA[
 $fruits = array( 'strawberry' => 'red' , 'banana' => 'yellow' );
-echo "A banana is $fruits[banana].";  // note that this works differently
-outside string-quotes. See <link
-linkend="language.types.array.foo-bar"><literal>$foo[bar]</literal> outside strings</link>
-echo "This square is $square->width meters broad.";
-echo "This square is $square->width00 centimeters broad."; // won't work,
-   // for a solution, see the <link linkend="language.types.string.parsing.complex">complex syntax</link>.
 
+// note that this works differently outside string-quotes.
+echo "A banana is $fruits[banana].";
+
+echo "This square is $square->width meters broad.";
+
+// Won't work. For a solution, see the complex syntax.
+echo "This square is $square->width00 centimeters broad.";
+
+]]>
 <!-- XXX this won't work:
 echo "This square is $square->{width}00 centimeters broad."; 
 // XXX: php developers: it would be consequent to make this work.
 // XXX: like the $obj->{expr} syntax outside a string works, 
 // XXX: analogously to the ${expr} syntax for variable var's.
 -->
-]]>
        </programlisting>
       </informalexample>
       <simpara>
@@ -876,19 +879,21 @@ echo "This is { $great}"; // won't work, outputs: This is { fantastic}
 echo "This is {$great}";  // works, outputs: This is fantastic
 echo "This square is {$square->width}00 centimeters broad."; 
 echo "This works: {$arr[4][3]}";     
-echo "This is wrong: {$arr[foo][3]}"; // for the same reason 
-   // as <link linkend="language.types.array.foo-bar">$foo[bar]</link
-   > is wrong outside a string. 
+
+// This is wrong for the same reason
+// as $foo[bar] is wrong outside a string. 
+echo "This is wrong: {$arr[foo][3]}"; 
+
 echo "You should do it this way: {$arr['foo'][3]}";
 echo "You can even write {$obj->values[3]->name}";
 echo "This is the value of the var named $name: {${$name}}";
-<!-- <xxx> maybe it's better to leave this out?? 
+]]>
+<!-- maybe it's better to leave this out?? 
 // this works, but i disencourage its use, since this is NOT 
 // involving functions, rather than mere variables, arrays and objects.
 $beer = 'Heineken';
 echo "I'd like to have another {${ strrev('reeb') }}, hips";
- </xxx> -->
-]]>
+ -->
        </programlisting>
       </informalexample>
      </sect4>
@@ -911,10 +916,10 @@ echo "I'd like to have another {${ strrev('reeb') }}, hips";
       <example>
        <title>Some string examples</title>
        <programlisting role="php">
-<![CDATA[
 <!-- TODO: either move these examples to a example section,
 as with arrays, or distribute them under the applicable
 sections. -->
+<![CDATA[
 <?php
 /* Assigning a string. */
 $str = "This is a string";
@@ -1365,6 +1370,9 @@ $switching = array(         10 // key = 0
                   , 0    => 12 // the value 10 will be overwritten by 12
                   );
                   
+// empty array
+$empty = array();         
+]]>
 <!-- TODO example of
 - mixed keys
 - overwriting keys
@@ -1372,10 +1380,6 @@ $switching = array(         10 // key = 0
 - using vars/functions as key/values
 - mixed skipping
 -->
-
-// empty array
-$empty = array();         
-]]>
      </programlisting>
     </example>
 
@@ -1412,14 +1416,15 @@ Do you like yellow?
      <example id="language.types.array.examples.changeloop">
       <title>Collection</title>
       <programlisting role="php">
-<link linkend="control-structures.foreach">foreach</link> ( $colors as $key => $color ) {
+<![CDATA[
+foreach ($colors as $key => $color) {
     // won't work:
-    //$color = <link linkend="function.strtoupper">strtoupper</link>($color);
+    //$color = strtoupper($color);
     
     //works:
-    $colors[$key] = <link linkend="function.strtoupper">strtoupper</link>($color);
+    $colors[$key] = strtoupper($color);
 }
-<link linkend="function.print-r">print_r</link>($colors);
+print_r($colors);
 
 /* output:
 Array
@@ -1430,6 +1435,7 @@ Array
     [3] => YELLOW
 )
 */
+]]>
       </programlisting>
      </example>
     </para>
@@ -1438,8 +1444,9 @@ Array
      <example>
       <title>One-based index</title>
       <programlisting role="php">
+<![CDATA[
 $firstquarter  = array(1 => 'January', 'February', 'March');
-<link linkend="function.print-r">print_r</link>($firstquarter);
+print_r($firstquarter);
 
 /* output:
 Array 
@@ -1448,20 +1455,23 @@ Array
     [2] => 'February'
     [3] => 'March'
 )
-*/        
+*/
+]]>   
       </programlisting>
      </example>
     </para>
     <example>
      <title>Filling real array</title>
      <programlisting role="php">
-// fill an array with all items from a <link linkend="ref.dir">directory</link>
-$handle = <link linkend="function.opendir">opendir</link>('.');
-while ($file = <link linkend="function.readdir">readdir</link>($handle)) 
+<![CDATA[
+// fill an array with all items from a directory
+$handle = opendir('.');
+while ($file = readdir($handle)) 
 {
     $files[] = $file;
 }
-<link linkend="function.closedir">closedir</link>($handle); 
+closedir($handle); 
+]]>
      </programlisting>
     </example>
     <para>
@@ -1472,8 +1482,10 @@ while ($file = <link linkend="function.readdir">readdir</link>($handle))
     <example>
      <title>Sorting array</title>
      <programlisting role="php">
-<link linkend="function.sort">sort</link>($files);
-<link linkend="function.print-r">print_r</link>($files);
+<![CDATA[
+sort($files);
+print_r($files);
+]]>
      </programlisting>
     </example>
     <para>
@@ -1484,23 +1496,24 @@ while ($file = <link linkend="function.readdir">readdir</link>($handle))
     <example>
      <title>Recursive and multi-dimensional arrays</title>
      <programlisting role="php">
-$fruits = array ( "fruits"  =&gt; array ( "a" =&gt; "orange"
-                                     , "b" =&gt; "banana"
-                                     , "c" =&gt; "apple"
+<![CDATA[
+$fruits = array ( "fruits"  => array ( "a" => "orange"
+                                     , "b" => "banana"
+                                     , "c" => "apple"
                                      )
-                , "numbers" =&gt; array ( 1
+                , "numbers" => array ( 1
                                      , 2
                                      , 3
                                      , 4
                                      , 5
                                      , 6
                                      )
-                , "holes"   =&gt; array (      "first"
-                                     , 5 =&gt; "second"
+                , "holes"   => array (      "first"
+                                     , 5 => "second"
                                      ,      "third"
                                      )
                 );
-    
+]]>
 <!-- quite duplicate...
 $a = array(
      "apple"  => array(
@@ -1720,7 +1733,8 @@ echo $a["apple"]["taste"];    # will output "sweet"
 
      <informalexample>
       <programlisting role="php">
-&lt;?php
+<![CDATA[
+<?php
 class foo
 {
     function do_foo()
@@ -1732,6 +1746,7 @@ class foo
 $bar = new foo;
 $bar->do_foo();
 ?>
+]]>
       </programlisting>
      </informalexample>
     </para>