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diff --git a/9781484217290.jpg b/9781484217290.jpg
diff --git a/Example Code Files/chapter1/p1helloworld.php b/Example Code Files/chapter1/p1helloworld.php
@@ -0,0 +1,5 @@
+<?php
+
+print "Hello World!";
+
+?>
diff --git a/Example Code Files/chapter2/e21Ajax_Example_JavaScript.js b/Example Code Files/chapter2/e21Ajax_Example_JavaScript.js
@@ -0,0 +1,46 @@
+function getXMLHttp()
+{
+var xmlHttp;
+try
+{
+xmlHttp = new XMLHttpRequest();
+}
+catch(e)
+{
+//Internet Explorer is different than the others
+try
+{
+xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
+}
+catch(e)
+{
+try
+{
+xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
+}
+catch(e)
+{
+alert("Old browser? Upgrade today so you can use AJAX!")
+return false;
+}
+}
+}
+return xmlHttp;
+}
+function AjaxRequest()
+{
+var xmlHttp = getXMLHttp();
+xmlHttp.onreadystatechange = function()
+{
+if(xmlHttp.readyState == 4)
+{
+HandleResponse(xmlHttp.responseText);
+}
+}
+xmlHttp.open("GET", "myfirstprogram.php", true);
+xmlHttp.send(null);
+}
+function HandleResponse(response)
+{
+document.getElementById('AjaxResponse').innerHTML = response;
+}
diff --git a/Example Code Files/chapter2/e22helloworldajax.html b/Example Code Files/chapter2/e22helloworldajax.html
@@ -0,0 +1,22 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+<head> <title>PHP Ajax Demo</title>
+<meta charset="utf-8">
+<link href="e23ajaxdemo.css" rel="stylesheet">
+<script type='text/javascript' src='e21Ajax_Example_JavaScript.js'></script>
+</head>
+<body>
+<div id="wrapper">
+<div id="header"> <h1>PHP Ajax Demo</h1> </div>
+<div id="content"> <h2>"Watch it!!"</h2>
+<p>The words below will be replaced by "Hello World" which is pulled from the 'myfirstprogram.php' file via AJAX.</p>
+<h2>AJAX DEMO</h2>
+<input type='button' onclick='AjaxRequest();' value='Find Hello World!'/><br /><br />
+<div id='AjaxResponse'>
+Pay attention... Notice when you click the button that only this section changes.
+</div> </div> <!-- end of content -->
+<div id="footer">Copyright &copy; 2014 Steve Prettyman
+</div><!-- end of footer -->
+</div> <!-- end of wrapper -->
+</body>
+</html>
diff --git a/Example Code Files/chapter2/e23ajaxdemo.css b/Example Code Files/chapter2/e23ajaxdemo.css
@@ -0,0 +1,27 @@
+body { background-color: #000000;
+font-family: Arial, Verdana, sans-serif; }
+#wrapper { margin: 0 auto;
+width: 85%;
+min-width: 800px;
+background-color: #cc0000;
+color: #000066; }
+#header { background-color: #ff0000;
+color: #00005D;
+font-size: 125%;
+padding: 20px 20px 20px 160px;
+background-repeat: no-repeat; }
+h1 { margin-bottom: 10px; }
+#content { background-color: #ffffff;
+color: #000000;
+padding: 10px 20px;
+overflow: auto; }
+#footer { font-size: 80%;
+text-align: center;
+padding: 5px;
+background-color: #0000FF;
+color: #ffffff;
+clear: both;}
+h2 { color: #000000;
+font-family: Arial, sans-serif; }
+#floatright { float: right;
+margin: 10px; }
diff --git a/Example Code Files/chapter2/e23mobilehelloworldajax.html b/Example Code Files/chapter2/e23mobilehelloworldajax.html
@@ -0,0 +1,22 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<head> <title>PHP Ajax Demo</title>
+<meta charset="utf-8">
+<link href="e23ajaxdemo.css" rel="stylesheet">
+<link href="e24ajaxdemomobile.css" rel="stylesheet" media="only screen and (max-device-width:480px)">
+<meta name="viewport" content="width=device-width, initial-scale=1.0">
+<script type='text/javascript' src='e21Ajax_Example_JavaScript.js'></script>
+</head>
+<body>
+<div id="wrapper">
+<div id="header"> <h1>PHP Ajax Demo</h1> </div>
+<div id="content"> <h2>"Watch it!!"</h2>
+<p>The words below will be replaced by "Hello World" which is pulled from the 'myfirstprogram.php' file via AJAX.</p>
+<h2>AJAX DEMO</h2>
+<input type='button' onclick='AjaxRequest();' value='Find Hello World!'/><br /><br />
+<div id='AjaxResponse'>
+Pay attention... Notice when you click the button that only this section changes.
+</div> </div> <!-- end of content -->
+<div id="footer">Copyright &copy; 2014 Steve Prettyman
+</div><!-- end of footer -->
+</div> <!-- end of wrapper -->
+</body>
diff --git a/Example Code Files/chapter2/e24ajaxdemomobile.css b/Example Code Files/chapter2/e24ajaxdemomobile.css
@@ -0,0 +1,29 @@
+body { background-color: #000000;
+font-family: Arial, Verdana, sans-serif;
+margin: 0; }
+#wrapper { margin: 0 auto;
+width: 100%;
+margin: 0;
+min-width: 0px;
+background-color: #cc0000;
+color: #000066; }
+#header { background-color: #ff0000;
+color: #00005D;
+font-size: 100%;
+padding: 0.5px 0.5px 0.5px 0.5px; }
+h1 { margin: 0px; }
+#content { background-color: #ffffff;
+color: #000000;
+padding: 0.5px 0.5px;
+overflow: auto; }
+#footer { font-size: 80%;
+text-align: left;
+padding: 0px;
+background-color: #0000FF;
+color: #ffffff;
+clear: both;}
+h2 { color: #000000;
+font-family: Arial, sans-serif;
+margin: 0px; }
+#floatright { float: none;
+margin: 0px; }
diff --git a/Example Code Files/chapter2/e25dynamichtml.php b/Example Code Files/chapter2/e25dynamichtml.php
@@ -0,0 +1,8 @@
+<?php
+print '<html>';
+print '<head><title>My Program</title></head>';
+print '<body>';
+print '<h1>Hello World</h1>';
+print '</body>';
+print '</html>';
+?>
diff --git a/Example Code Files/chapter2/e26callmyself.php b/Example Code Files/chapter2/e26callmyself.php
@@ -0,0 +1,14 @@
+<?php
+if (isset($_POST['submitbutton']))
+{
+print "<h1> Hello World </h1>";
+}
+else
+{
+print "<html><head><title>PHP Example</title></head>";
+print "<form method='post' action='e26callmyself.php'>";
+print "<input type='submit' id='submitbutton' name='submitbutton' value='Find Hello World!'/>";
+print "</form>";
+print "</body></html>";
+}
+?>
diff --git a/Example Code Files/chapter3/e310dog.php b/Example Code Files/chapter3/e310dog.php
@@ -0,0 +1,57 @@
+<?php
+class Dog
+{
+// ----------------------------------------- Properties -----------------------------------------
+private $dog_weight = 0;
+private $dog_breed = "no breed";
+private $dog_color = "no color";
+private $dog_name = "no name";
+
+// ---------------------------------- Set Methods ----------------------------------------------
+function set_dog_name($value)
+{
+$error_message = TRUE;
+(ctype_alpha($value) && strlen($value) <= 20) ? $this->dog_name = $value : $error_message = FALSE;
+return $error_message;
+}
+function set_dog_weight($value)
+{
+$error_message = TRUE;
+(ctype_digit($value) && ($value > 0 && $value <= 120)) ? $this->dog_weight = $value : $error_message = FALSE;
+return $error_message;
+}
+function set_dog_breed($value)
+{
+$error_message = TRUE;
+(ctype_alpha($value) && strlen($value) <= 35) ? $this->dog_breed = $value : $error_message = FALSE;
+return $error_message;
+}
+function set_dog_color($value)
+{
+$error_message = TRUE;
+(ctype_alpha($value) && strlen($value) <= 15) ? $this->dog_color = $value : $error_message = FALSE;
+return $error_message;
+}
+// ----------------------------------------- Get Methods ------------------------------------------------------------
+function get_dog_name()
+{
+return $this->dog_name;
+}
+function get_dog_weight()
+{
+return $this->dog_weight;
+}
+function get_dog_breed()
+{
+return $this->dog_breed;
+}
+function get_dog_color()
+{
+return $this->dog_color;
+}
+function get_properties()
+{
+return "$this->dog_weight,$this->dog_breed,$this->dog_color.";
+}
+}
+?>
diff --git a/Example Code Files/chapter3/e311lab.php b/Example Code Files/chapter3/e311lab.php
@@ -0,0 +1,24 @@
+<?php
+Require_once("e310dog.php");
+$lab = new Dog;
+// ------------------------------Set Properties--------------------------
+$dog_error_message = $lab->set_dog_name('Fred');
+print $dog_error_message == TRUE ? 'Name update successful<br/>' : 'Name update not successful<br/>';
+
+$dog_error_message = $lab->set_dog_weight(50);
+print $dog_error_message == TRUE ? 'Weight update successful<br />' : 'Weight update not successful<br />';
+
+$dog_error_message = $lab->set_dog_breed('Lab');
+print $dog_error_message == TRUE ? 'Breed update successful<br />' : 'Breed update not successful<br />';
+
+$dog_error_message = $lab->set_dog_color('Yellow');
+print $dog_error_message == TRUE ? 'Color update successful<br />' : 'Color update not successful<br />';
+// ------------------------------Get Properties--------------------------
+print $lab->get_dog_name() . "<br/>";
+print $lab->get_dog_weight() . "<br />";
+print $lab->get_dog_breed() . "<br />";
+print $lab->get_dog_color() . "<br />";
+$dog_properties = $lab->get_properties();
+list($dog_weight, $dog_breed, $dog_color) = explode(',', $dog_properties);
+print "Dog weight is $dog_weight. Dog breed is $dog_breed. Dog color is $dog_color.";
+?>
diff --git a/Example Code Files/chapter3/e312dog.php b/Example Code Files/chapter3/e312dog.php
@@ -0,0 +1,77 @@
+<?php
+class Dog
+{
+// ----------------------------------------- Properties -----------------------------------------
+private $dog_weight = 0;
+private $dog_breed = "no breed";
+private $dog_color = "no color";
+private $dog_name = "no name";
+private $error_message = "??";
+// ---------------------------------- Constructor ----------------------------------------------
+function __construct($value1, $value2, $value3, $value4)
+{
+
+$name_error = $this->set_dog_name($value1) == TRUE ? 'TRUE,' : 'FALSE,';
+$breed_error = $this->set_dog_breed($value2) == TRUE ? 'TRUE,' : 'FALSE,';
+$color_error = $this->set_dog_color($value3) == TRUE ? 'TRUE,' : 'FALSE,';
+$weight_error= $this->set_dog_weight($value4) == TRUE ? 'TRUE' : 'FALSE';
+
+$this->error_message = $name_error . $breed_error . $color_error . $weight_error;
+
+}
+//------------------------------------toString--------------------------------------------------
+public function __toString()
+{
+        return $this->error_message;
+}
+
+// ---------------------------------- Set Methods ----------------------------------------------
+function set_dog_name($value)
+{
+$error_message = TRUE;
+(ctype_alpha($value) && strlen($value) <= 20) ? $this->dog_name = $value : $this->error_message = FALSE;
+return $this->error_message;
+}
+function set_dog_weight($value)
+{
+$error_message = TRUE;
+(ctype_digit($value) && ($value > 0 && $value <= 120)) ? $this->dog_weight = $value : $this->error_message = FALSE;
+return $this->error_message;
+}
+function set_dog_breed($value)
+{
+$error_message = TRUE;
+(ctype_alpha($value) && strlen($value) <= 35) ? $this->dog_breed = $value : $error_message = FALSE;
+return $this->error_message;
+}
+function set_dog_color($value)
+{
+$error_message = TRUE;
+(ctype_alpha($value) && strlen($value) <= 15) ? $this->dog_color = $value : $this->error_message = FALSE;
+return $this->error_message;
+}
+// ----------------------------------------- Get Methods ------------------------------------------------------------
+function get_dog_name()
+{
+return $this->dog_name;
+}
+function get_dog_weight()
+{
+return $this->dog_weight;
+}
+function get_dog_breed()
+{
+return $this->dog_breed;
+}
+function get_dog_color()
+{
+return $this->dog_color;
+}
+function get_properties()
+{
+return "$this->dog_weight,$this->dog_breed,$this->dog_color.";
+}
+
+
+}
+?>
diff --git a/Example Code Files/chapter3/e313lab.php b/Example Code Files/chapter3/e313lab.php
@@ -0,0 +1,32 @@
+<?php
+Require_once("e312dog.php");
+$lab = new Dog('Fred','Lab','Yellow','100');
+
+list($name_error, $breed_error, $color_error, $weight_error) = explode(',', $lab);
+
+print $name_error == 'TRUE' ? 'Name update successful<br/>' : 'Name update not successful<br/>';
+print $breed_error == 'TRUE' ? 'Breed update successful<br/>' : 'Breed update not successful<br/>';
+print $color_error == 'TRUE' ? 'Color update successful<br/>' : 'Color update not successful<br/>';
+print $weight_error == 'TRUE' ? 'Weight update successful<br/>' : 'Weight update not successful<br/>';
+
+// ------------------------------Set Properties--------------------------
+$dog_error_message = $lab->set_dog_name('Sally');
+print $dog_error_message == TRUE ? 'Name update successful<br/>' : 'Name update not successful<br/>';
+
+$dog_error_message = $lab->set_dog_weight('5');
+print $dog_error_message == TRUE ? 'Weight update successful<br />' : 'Weight update not successful<br />';
+
+$dog_error_message = $lab->set_dog_breed('Labrador');
+print $dog_error_message == TRUE ? 'Breed update successful<br />' : 'Breed update not successful<br />';
+
+$dog_error_message = $lab->set_dog_color('Brown');
+print $dog_error_message == TRUE ? 'Color update successful<br />' : 'Color update not successful<br />';
+// ------------------------------Get Properties--------------------------
+print $lab->get_dog_name() . "<br/>";
+print $lab->get_dog_weight() . "<br />";
+print $lab->get_dog_breed() . "<br />";
+print $lab->get_dog_color() . "<br />";
+$dog_properties = $lab->get_properties();
+list($dog_weight, $dog_breed, $dog_color) = explode(',', $dog_properties);
+print "Dog weight is $dog_weight. Dog breed is $dog_breed. Dog color is $dog_color.";
+?>