goba Mon Aug 20 07:55:11 2001 EDT
Modified files:
/phpdoc/en/language basic-syntax.xml constants.xml
control-structures.xml expressions.xml
functions.xml oop.xml types.xml variables.xml
Log:
Introducing PEAR standards for function calls, class and function
definitions, control structures. Fixing some bad indentation.
WS ONLY FIXES.
Index: phpdoc/en/language/basic-syntax.xml
diff -u phpdoc/en/language/basic-syntax.xml:1.13
phpdoc/en/language/basic-syntax.xml:1.14
--- phpdoc/en/language/basic-syntax.xml:1.13 Sun Aug 19 07:09:16 2001
+++ phpdoc/en/language/basic-syntax.xml Mon Aug 20 07:55:11 2001
@@ -1,5 +1,5 @@
<?xml encoding="iso-8859-1"?>
-<!-- $Revision: 1.13 $ -->
+<!-- $Revision: 1.14 $ -->
<chapter id="language.basic-syntax">
<title>Basic syntax</title>
@@ -115,14 +115,11 @@
<programlisting role="php">
<?php
-if ( boolean-expression )
-{
+if (boolean-expression) {
?>
<strong>This is true.</strong>
<?php
-}
-else
-{
+} else {
?>
<strong>This is false.</strong>
<?php
@@ -179,10 +176,10 @@
The "one-line" comment styles actually only comment to the
end of the line or the current block of PHP code, whichever
comes first.</simpara>
- <informalexample><programlisting>
+ <informalexample><programlisting>
<h1>This is an <?php # echo "simple";?> example.</h1>
<p>The header above will say 'This is an example'.
-</programlisting></informalexample>
+ </programlisting></informalexample>
<simpara>
You should be careful not to nest 'C' style comments, which can
Index: phpdoc/en/language/constants.xml
diff -u phpdoc/en/language/constants.xml:1.16 phpdoc/en/language/constants.xml:1.17
--- phpdoc/en/language/constants.xml:1.16 Sun Aug 19 07:09:16 2001
+++ phpdoc/en/language/constants.xml Mon Aug 20 07:55:11 2001
@@ -1,5 +1,5 @@
<?xml encoding="iso-8859-1"?>
-<!-- $Revision: 1.16 $ -->
+<!-- $Revision: 1.17 $ -->
<chapter id="language.constants">
<title>Constants</title>
@@ -256,11 +256,12 @@
<title>Using __FILE__ and __LINE__</title>
<programlisting>
<?php
-function report_error($file, $line, $message) {
+function report_error($file, $line, $message)
+{
echo "An error occured in $file on line $line: $message.";
}
-report_error(__FILE__,__LINE__, "Something went wrong!");
+report_error(__FILE__, __LINE__, "Something went wrong!");
?>
</programlisting>
</example>
Index: phpdoc/en/language/control-structures.xml
diff -u phpdoc/en/language/control-structures.xml:1.36
phpdoc/en/language/control-structures.xml:1.37
--- phpdoc/en/language/control-structures.xml:1.36 Sun Aug 19 07:09:16 2001
+++ phpdoc/en/language/control-structures.xml Mon Aug 20 07:55:11 2001
@@ -1,5 +1,5 @@
<?xml encoding="iso-8859-1"?>
-<!-- $Revision: 1.36 $ -->
+<!-- $Revision: 1.37 $ -->
<chapter id="control-structures">
<title>Control Structures</title>
@@ -178,9 +178,9 @@
<literal>endswitch;</literal>, respectively.
<informalexample>
<programlisting role="php">
- <?php if ($a == 5): ?>
- A is equal to 5
- <?php endif; ?>
+<?php if ($a == 5): ?>
+A is equal to 5
+<?php endif; ?>
</programlisting>
</informalexample>
</para>
@@ -415,7 +415,7 @@
/* example 4 */
-for ($i = 1; $i <= 10; print $i, $i++) ;
+for ($i = 1; $i <= 10; print $i, $i++);
</programlisting>
</informalexample>
</para>
@@ -1283,7 +1283,8 @@
<?php
define("PHPVERSION", floor(phpversion()));
echo "GLOBALS ARE NICE\n";
-function goodTea() {
+function goodTea()
+{
return "Oolong tea tastes good!";
}
?>
@@ -1294,7 +1295,8 @@
<programlisting role="php">
<?php
require ("utils.inc");
-function showVar($var) {
+function showVar($var)
+{
if (PHPVERSION == 4) {
print_r($var);
} else {
@@ -1343,7 +1345,8 @@
<programlisting role="php">
...
require_once("utils.inc");
-function showVar($var) {
+function showVar($var)
+{
...
</programlisting>
</example>
Index: phpdoc/en/language/expressions.xml
diff -u phpdoc/en/language/expressions.xml:1.12 phpdoc/en/language/expressions.xml:1.13
--- phpdoc/en/language/expressions.xml:1.12 Sun Aug 19 07:09:17 2001
+++ phpdoc/en/language/expressions.xml Mon Aug 20 07:55:11 2001
@@ -1,5 +1,5 @@
<?xml encoding="iso-8859-1"?>
-<!-- $Revision: 1.12 $ -->
+<!-- $Revision: 1.13 $ -->
<chapter id="language.expressions">
<title>Expressions</title>
@@ -28,7 +28,8 @@
<informalexample>
<programlisting>
-function foo () {
+function foo ()
+{
return 5;
}
</programlisting>
@@ -127,7 +128,7 @@
<informalexample><programlisting>
$first ? $second : $third
-</programlisting></informalexample>
+ </programlisting></informalexample>
If the value of the first subexpression is &true; (non-zero), then
the second subexpression is evaluated, and that is the result of
@@ -141,7 +142,8 @@
<informalexample>
<programlisting>
-function double($i) {
+function double($i)
+{
return $i*2;
}
$b = $a = 5; /* assign the value five into the variable $a and $b */
@@ -160,7 +162,9 @@
value of 24. the value of the assignment (24) is
then assigned into $h, and $h ends with the value
of 24 as well. */
-</programlisting></informalexample></para>
+ </programlisting>
+ </informalexample>
+ </para>
<simpara>
In the beginning of the chapter we said that we'll be describing
Index: phpdoc/en/language/functions.xml
diff -u phpdoc/en/language/functions.xml:1.15 phpdoc/en/language/functions.xml:1.16
--- phpdoc/en/language/functions.xml:1.15 Sun Aug 19 07:09:17 2001
+++ phpdoc/en/language/functions.xml Mon Aug 20 07:55:11 2001
@@ -1,5 +1,5 @@
<?xml encoding="iso-8859-1"?>
-<!-- $Revision: 1.15 $ -->
+<!-- $Revision: 1.16 $ -->
<chapter id="functions">
<title>Functions</title>
@@ -11,7 +11,8 @@
<informalexample>
<programlisting role="php">
-function foo ($arg_1, $arg_2, ..., $arg_n) {
+function foo ($arg_1, $arg_2, ..., $arg_n)
+{
echo "Example function.\n";
return $retval;
}
@@ -78,7 +79,8 @@
<informalexample>
<programlisting role="php">
-function takes_array($input) {
+function takes_array($input)
+{
echo "$input[0] + $input[1] = ", $input[0]+$input[1];
}
</programlisting>
@@ -102,7 +104,8 @@
<informalexample>
<programlisting role="php">
-function add_some_extra(&$string) {
+function add_some_extra(&$string)
+{
$string .= 'and something extra.';
}
$str = 'This is a string, ';
@@ -119,7 +122,8 @@
<informalexample>
<programlisting role="php">
-function foo ($bar) {
+function foo ($bar)
+{
$bar .= ' and something extra.';
}
$str = 'This is a string, ';
@@ -142,7 +146,8 @@
<informalexample>
<programlisting role="php">
-function makecoffee ($type = "cappucino") {
+function makecoffee ($type = "cappucino")
+{
return "Making a cup of $type.\n";
}
echo makecoffee ();
@@ -171,7 +176,8 @@
<informalexample>
<programlisting role="php">
-function makeyogurt ($type = "acidophilus", $flavour) {
+function makeyogurt ($type = "acidophilus", $flavour)
+{
return "Making a bowl of $type $flavour.\n";
}
@@ -195,7 +201,8 @@
<informalexample>
<programlisting role="php">
-function makeyogurt ($flavour, $type = "acidophilus") {
+function makeyogurt ($flavour, $type = "acidophilus")
+{
return "Making a bowl of $type $flavour.\n";
}
@@ -244,7 +251,8 @@
<informalexample>
<programlisting role="php">
-function square ($num) {
+function square ($num)
+{
return $num * $num;
}
echo square (4); // outputs '16'.
@@ -258,7 +266,8 @@
<informalexample>
<programlisting role="php">
-function small_numbers() {
+function small_numbers()
+{
return array (0, 1, 2);
}
list ($zero, $one, $two) = small_numbers();
@@ -271,11 +280,12 @@
when assigning the returned value to a variable:
<informalexample>
<programlisting role="php">
-function &returns_reference() {
+function &returns_reference()
+{
return $someref;
}
-$newref =&returns_reference();
+$newref =& returns_reference();
</programlisting>
</informalexample>
</para>
@@ -330,18 +340,20 @@
<title>Variable function example</title>
<programlisting role="php">
<?php
-function foo() {
+function foo()
+{
echo "In foo()<br>\n";
}
-function bar( $arg = '' ) {
+function bar($arg = '')
+{
echo "In bar(); argument was '$arg'.<br>\n";
}
$func = 'foo';
$func();
$func = 'bar';
-$func( 'test' );
+$func('test');
?>
</programlisting>
</example>
Index: phpdoc/en/language/oop.xml
diff -u phpdoc/en/language/oop.xml:1.21 phpdoc/en/language/oop.xml:1.22
--- phpdoc/en/language/oop.xml:1.21 Sun Aug 19 07:09:17 2001
+++ phpdoc/en/language/oop.xml Mon Aug 20 07:55:11 2001
@@ -1,5 +1,5 @@
<?xml encoding="iso-8859-1"?>
-<!-- $Revision: 1.21 $ -->
+<!-- $Revision: 1.22 $ -->
<chapter id="language.oop">
<title>Classes and Objects</title>
@@ -12,18 +12,21 @@
<informalexample>
<programlisting role="php">
<?php
-class Cart {
+class Cart
+{
var $items; // Items in our shopping cart
// Add $num articles of $artnr to the cart
- function add_item ($artnr, $num) {
+ function add_item ($artnr, $num)
+ {
$this->items[$artnr] += $num;
}
// Take $num articles of $artnr out of the cart
- function remove_item ($artnr, $num) {
+ function remove_item ($artnr, $num)
+ {
if ($this->items[$artnr] > $num) {
$this->items[$artnr] -= $num;
return true;
@@ -80,7 +83,8 @@
<informalexample>
<programlisting role="php">
/* None of these will work in PHP 4. */
-class Cart {
+class Cart
+{
var $todays_date = date("Y-m-d");
var $name = $firstname;
var $owner = 'Fred ' . 'Jones';
@@ -88,13 +92,15 @@
}
/* This is how it should be done. */
-class Cart {
+class Cart
+{
var $todays_date;
var $name;
var $owner;
var $items;
- function Cart() {
+ function Cart()
+ {
$this->todays_date = date("Y-m-d");
$this->name = $GLOBALS['firstname'];
/* etc. . . */
@@ -112,11 +118,11 @@
<informalexample>
<programlisting role="php">
- $cart = new Cart;
- $cart->add_item("10", 1);
+$cart = new Cart;
+$cart->add_item("10", 1);
- $another_cart = new Cart;
- $another_cart->add_item("0815", 3);
+$another_cart = new Cart;
+$another_cart->add_item("0815", 3);
</programlisting>
</informalexample>
@@ -149,7 +155,7 @@
<informalexample>
<programlisting role="php">
// correct, single $
-$cart->items = array("10" => 1);
+$cart->items = array("10" => 1);
// invalid, because $cart->$items becomes $cart->""
$cart->$items = array("10" => 1);
@@ -197,10 +203,12 @@
<informalexample>
<programlisting role="php">
-class Named_Cart extends Cart {
+class Named_Cart extends Cart
+{
var $owner;
- function set_owner ($name) {
+ function set_owner ($name)
+ {
$this->owner = $name;
}
}
@@ -218,9 +226,9 @@
<informalexample>
<programlisting role="php">
$ncart = new Named_Cart; // Create a named cart
-$ncart->set_owner ("kris"); // Name that cart
+$ncart->set_owner("kris"); // Name that cart
print $ncart->owner; // print the cart owners name
-$ncart->add_item ("10", 1); // (inherited functionality from cart)
+$ncart->add_item("10", 1); // (inherited functionality from cart)
</programlisting>
</informalexample>
@@ -249,8 +257,10 @@
<informalexample>
<programlisting role="php">
// Works in PHP 3 and PHP 4.
-class Auto_Cart extends Cart {
- function Auto_Cart () {
+class Auto_Cart extends Cart
+{
+ function Auto_Cart()
+ {
$this->add_item ("10", 1);
}
}
@@ -270,19 +280,21 @@
<informalexample>
<programlisting role="php">
// Works in PHP 3 and PHP 4.
-class Constructor_Cart extends Cart {
- function Constructor_Cart ($item = "10", $num = 1) {
+class Constructor_Cart extends Cart
+{
+ function Constructor_Cart($item = "10", $num = 1)
+ {
$this->add_item ($item, $num);
}
}
// Shop the same old boring stuff.
-$default_cart = new Constructor_Cart;
+$default_cart = new Constructor_Cart;
// Shop for real...
-$different_cart = new Constructor_Cart ("20", 17);
+$different_cart = new Constructor_Cart("20", 17);
</programlisting>
</informalexample>
@@ -296,14 +308,18 @@
<informalexample>
<programlisting role="php">
-class A {
- function A() {
+class A
+{
+ function A()
+ {
echo "I am the constructor of A.<br>\n";
}
}
-class B extends A {
- function C() {
+class B extends A
+{
+ function C()
+ {
echo "I am a regular function.<br>\n";
}
}
@@ -329,19 +345,24 @@
<informalexample>
<programlisting role="php">
-class A {
- function A() {
+class A
+{
+ function A()
+ {
echo "I am the constructor of A.<br>\n";
}
- function B() {
+ function B()
+ {
echo "I am a regular function named B in class A.<br>\n";
echo "I am not a constructor in A.<br>\n";
}
}
-class B extends A {
- function C() {
+class B extends A
+{
+ function C()
+ {
echo "I am a regular function.<br>\n";
}
}
@@ -410,14 +431,18 @@
<informalexample>
<programlisting role="php">
-class A {
- function example() {
+class A
+{
+ function example()
+ {
echo "I am the original function A::example().<br>\n";
}
}
-class B extends A {
- function example() {
+class B extends A
+{
+ function example()
+ {
echo "I am the redefined function B::example().<br>\n";
A::example();
}
@@ -497,14 +522,18 @@
<informalexample>
<programlisting role="php">
-class A {
- function example() {
+class A
+{
+ function example()
+ {
echo "I am A::example() and provide basic functionality.<br>\n";
}
}
-class B extends A {
- function example() {
+class B extends A
+{
+ function example()
+ {
echo "I am B::example and provide additional functionality().<br>\n";
parent::example();
}
@@ -563,10 +592,12 @@
<informalexample>
<programlisting role="php">
classa.inc:
- class A {
+ class A
+ {
var $one = 1;
- function show_one() {
+ function show_one()
+ {
echo $this->one;
}
}
@@ -664,23 +695,27 @@
<informalexample>
<programlisting role="php">
-class foo {
- function foo($name) {
+class foo
+{
+ function foo($name)
+ {
// create a reference inside the global array $globalref
global $globalref;
- $globalref[] = &$this;
+ $globalref[] = &$this;
// set name to passed value
$this->setName($name);
- // and put it out
+ // and put it out
$this->echoName();
}
- function echoName() {
+ function echoName()
+ {
echo "<br>",$this->Name;
}
- function setName($name) {
- $this->Name = $name;
+ function setName($name)
+ {
+ $this->Name = $name;
}
}
</programlisting>
@@ -688,112 +723,121 @@
</para>
<para>
- Let us check out if there is a difference between <varname>$bar1</varname> which
has been created using the copy <literal>=</literal> operator
- and <varname>$bar2</varname> which has been created using the reference
<literal>=&</literal> operator...
-
+ Let us check out if there is a difference between
+ <varname>$bar1</varname> which has been created using
+ the copy <literal>=</literal> operator and
+ <varname>$bar2</varname> which has been created using
+ the reference <literal>=&</literal> operator...
<informalexample>
<programlisting role="php">
-
- $bar1 = new foo('set in constructor');
- $bar1->echoName();
- $globalref[0]->echoName();
-
- /* output:
- set in constructor
- set in constructor
- set in constructor */
-
- $bar2 =& new foo('set in constructor');
- $bar2->echoName();
- $globalref[1]->echoName();
-
- /* output:
- set in constructor
- set in constructor
- set in constructor */
-
+
+$bar1 = new foo('set in constructor');
+$bar1->echoName();
+$globalref[0]->echoName();
+
+/* output:
+set in constructor
+set in constructor
+set in constructor */
+
+$bar2 =& new foo('set in constructor');
+$bar2->echoName();
+$globalref[1]->echoName();
+
+/* output:
+set in constructor
+set in constructor
+set in constructor */
+
</programlisting>
</informalexample>
</para>
<para>
- Apparently there is no difference, but in fact there is a very significant one:
- <varname>$bar1</varname> and <varname>$globalref[0]</varname> are _NOT_
referenced, they are NOT the same variable.
- This is because "new" does not return a reference by default, instead it returns
a copy.
- <note>
- <simpara>
- There is no performance loss (since php 4 and up use reference counting)
returning copies instead of references.
- On the contrary it is most often better to simply work with copies instead
of references, because creating
- references takes some time where creating copies virtually takes no time
(unless none of them is a large array or object
- and one of them gets changed and the other(s) one(s) subsequently, then it
would be wise to use references to change them
- all concurrently).
- </simpara>
- </note>
+ Apparently there is no difference, but in fact there is a
+ very significant one: <varname>$bar1</varname> and
+ <varname>$globalref[0]</varname> are _NOT_ referenced, they
+ are NOT the same variable. This is because "new" does not
+ return a reference by default, instead it returns a copy.
+ <note>
+ <simpara>
+ There is no performance loss (since php 4 and up use reference
+ counting) returning copies instead of references. On the
+ contrary it is most often better to simply work with copies
+ instead of references, because creating references takes some
+ time where creating copies virtually takes no time (unless none
+ of them is a large array or object and one of them gets changed
+ and the other(s) one(s) subsequently, then it would be wise to
+ use references to change them all concurrently).
+ </simpara>
+ </note>
To prove what is written above let us watch the code below.
-
- <informalexample>
+ <informalexample>
<programlisting role="php">
- // now we will change the name. what do you expect?
- // you could expect that both $bar and $globalref[0] change their names...
- $bar1->setName('set from outside');
-
- // as mentioned before this is not the case.
- $bar1->echoName();
- $globalref[0]->echoName();
-
- /* output:
- set on object creation
- set from outside */
-
- // let us see what is different with $bar2 and $globalref[1]
- $bar2->setName('set from outside');
-
- // luckily they are not only equyl, they are thesame variable
- // thus $bar2->Name and $globalref[1]->Name are the same too
- $bar2->echoName();
- $globalref[1]->echoName();
-
- /* output:
- set from outside
- set from outside */
-
- </programlisting>
- </informalexample>
- </para>
+// now we will change the name. what do you expect?
+// you could expect that both $bar and $globalref[0] change their names...
+$bar1->setName('set from outside');
+
+// as mentioned before this is not the case.
+$bar1->echoName();
+$globalref[0]->echoName();
+
+/* output:
+set on object creation
+set from outside */
+
+// let us see what is different with $bar2 and $globalref[1]
+$bar2->setName('set from outside');
+
+// luckily they are not only equyl, they are thesame variable
+// thus $bar2->Name and $globalref[1]->Name are the same too
+$bar2->echoName();
+$globalref[1]->echoName();
+
+/* output:
+set from outside
+set from outside */
+ </programlisting>
+ </informalexample>
+ </para>
<para>
Another final example, try to understand it.
- <informalexample>
+ <informalexample>
<programlisting role="php">
-
-class a {
- function a($i) {
+class a
+{
+ function a($i)
+ {
$this->value = $i;
// try to figure out why we do not need a reference here
$this->b = new b($this);
}
- function createRef() {
+ function createRef()
+ {
$this->c = new b($this);
}
- function echoValue() {
+ function echoValue()
+ {
echo "<br>","class ",get_class($this),': ',$this->value;
- }
+ }
}
-class b {
-
- function b(&$a) {
+class b
+{
+ function b(&$a)
+ {
$this->a = &$a;
}
- function echoValue() {
+ function echoValue()
+ {
echo "<br>","class ",get_class($this),': ',$this->a->value;
- }
-
+ }
}
// try to undestand why using a simple copy here would yield
@@ -820,12 +864,10 @@
class b: 11
class b: 11
*/
- </programlisting>
- </informalexample>
- </para>
-</sect1>
-
-
+ </programlisting>
+ </informalexample>
+ </para>
+ </sect1>
</chapter>
<!-- Keep this comment at the end of the file
Index: phpdoc/en/language/types.xml
diff -u phpdoc/en/language/types.xml:1.45 phpdoc/en/language/types.xml:1.46
--- phpdoc/en/language/types.xml:1.45 Sun Aug 19 07:09:17 2001
+++ phpdoc/en/language/types.xml Mon Aug 20 07:55:11 2001
@@ -1,5 +1,5 @@
<?xml encoding="iso-8859-1"?>
-<!-- $Revision: 1.45 $ -->
+<!-- $Revision: 1.46 $ -->
<chapter id="language.types">
<title>Types</title>
@@ -155,20 +155,17 @@
structure</link>.
<informalexample>
<programlisting role="php">
-if ($action == "show_version") // == is an <link
linkend="language.operators">operator</link> which returns a <type>boolean</type>
-{
+if ($action == "show_version") { // == is an <link
+linkend="language.operators">operator</link> which returns a <type>boolean</type>
echo "The version is 1.23";
}
// this is not necessary:
-if ($show_separators == true)
-{
+if ($show_separators == true) {
echo "<hr>\n";
}
// because you can simply type this:
-if ($show_separators)
-{
+if ($show_separators) {
echo "<hr>\n";
}
</programlisting>
@@ -710,11 +707,13 @@
EOD;
/* More complex example, with variables. */
-class foo {
+class foo
+{
var $foo;
var $bar;
- function foo() {
+ function foo()
+ {
$this->foo = 'Foo';
$this->bar = array('Bar1', 'Bar2', 'Bar3');
}
@@ -1304,8 +1303,7 @@
<programlisting role="php">
$colors = array('red','blue','green','yellow');
-foreach ( $colors as $color )
-{
+foreach ( $colors as $color ) {
echo "Do you like $color?\n";
}
@@ -1331,8 +1329,7 @@
<example id="language.types.array.examples.changeloop">
<title>Collection</title>
<programlisting role="php">
-<link linkend="control-structures.foreach">foreach</link> ( $colors as $key => $color
)
-{
+<link linkend="control-structures.foreach">foreach</link> ( $colors as $key => $color
+) {
// won't work:
//$color = <link linkend="function.strtoupper">strtoupper</link>($color);
@@ -1377,7 +1374,7 @@
<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) )
+while ($file = <link linkend="function.readdir">readdir</link>($handle))
{
$files[] = $file;
}
@@ -1641,8 +1638,10 @@
<informalexample>
<programlisting role="php">
<?php
-class foo {
- function do_foo() {
+class foo
+{
+ function do_foo()
+ {
echo "Doing foo.";
}
}
@@ -1705,10 +1704,6 @@
</para>
</sect2>
-
-
-
-
</sect1>
<sect1 id="language.types.null">
Index: phpdoc/en/language/variables.xml
diff -u phpdoc/en/language/variables.xml:1.17 phpdoc/en/language/variables.xml:1.18
--- phpdoc/en/language/variables.xml:1.17 Sun Aug 5 06:51:47 2001
+++ phpdoc/en/language/variables.xml Mon Aug 20 07:55:11 2001
@@ -1,5 +1,5 @@
<?xml encoding="iso-8859-1"?>
-<!-- $Revision: 1.17 $ -->
+<!-- $Revision: 1.18 $ -->
<chapter id="language.variables">
<title>Variables</title>
@@ -89,7 +89,8 @@
$bar = &$foo; // This is a valid assignment.
$bar = &(24 * 7); // Invalid; references an unnamed expression.
-function test() {
+function test()
+{
return 25;
}
@@ -599,11 +600,12 @@
<programlisting role="php">
$a = 1; /* global scope */
-Function Test () {
+function Test()
+{
echo $a; /* reference to local scope variable */
}
-Test ();
+Test();
</programlisting>
</informalexample>
@@ -625,13 +627,14 @@
$a = 1;
$b = 2;
-Function Sum () {
+function Sum()
+{
global $a, $b;
$b = $a + $b;
}
-Sum ();
+Sum();
echo $b;
</programlisting>
</informalexample>
@@ -655,11 +658,12 @@
$a = 1;
$b = 2;
-Function Sum () {
+function Sum()
+{
$GLOBALS["b"] = $GLOBALS["a"] + $GLOBALS["b"];
}
-Sum ();
+Sum();
echo $b;
</programlisting>
</informalexample>
@@ -680,7 +684,8 @@
<informalexample>
<programlisting role="php">
-Function Test () {
+function Test ()
+{
$a = 0;
echo $a;
$a++;
@@ -700,7 +705,8 @@
<informalexample>
<programlisting role="php">
-Function Test () {
+function Test()
+{
static $a = 0;
echo $a;
$a++;
@@ -725,7 +731,8 @@
<informalexample>
<programlisting role="php">
-Function Test () {
+function Test()
+{
static $count = 0;
$count++;
@@ -933,7 +940,7 @@
<informalexample>
<programlisting role="php">
-SetCookie ("MyCookie[]", "Testing", time()+3600);
+setcookie("MyCookie[]", "Testing", time()+3600);
</programlisting>
</informalexample>
@@ -948,8 +955,8 @@
<title>SetCookie Example</title>
<programlisting role="php">
$Count++;
-SetCookie ("Count", $Count, time()+3600);
-SetCookie ("Cart[$Count]", $item, time()+3600);
+setcookie("Count", $Count, time()+3600);
+setcookie("Cart[$Count]", $item, time()+3600);
</programlisting>
</example>
