Professor Matthew M. is Educator's instructor for the Introduction to PHP course. As a self-taught PHP developer, Matthew understands first-hand the difficulties encountered by newcomers to PHP. He focuses on the topics most relevant to web developers looking to build their skill set by learning to add dynamic content and advanced functionality to their websites. Matthew focuses his lessons on actual code and builds on a web application using new skills learned throughout the series. Topics covered include setting up the development environment, arrays, type casting, user-defined functions, and loops. Downloadable code and homework solutions are included so students can follow along with the lessons.

expand all   collapse all

I. Introduction to PHP

  Course Introduction 12:13
   Intro 0:00 
   What Is PHP? 0:12 
    PHP Hypertext Preprocessor 0:13 
   Why Learn PHP? 1:09 
    Why Learn PHP? 1:10 
   Web Application: Educator Store 2:25 
    Web Application: Educator Store 2:26 
    Example of Web Application 3:18 
   PHP in the Educator Store 7:12 
    Dynamic Content Generation 7:22 
    Ease of Website Maintenance 7:55 
    Form Input Processing and Access to Advanced Functionality 9:00 
   What You Will Learn 9:36 
    What You Will Learn 9:37 
   Who Is This Course For? 10:56 
    Who Is This Course For? 10:57 
  How PHP & The Web Work 15:32
   Intro 0:00 
   Lesson Overview 0:10 
    Lesson Overview 0:11 
   Client-Server Model 0:53 
    Client-Server Model 0:54 
   HTTP Protocol 2:15 
    Definition of Protocol 2:16 
    Hypertext Transfer Protocol (HTTP) 2:37 
   Uniform Resource Locators 3:46 
    Uniform Resource Locators (URLs) 3:47 
    Form of URLs 4:13 
    Accessing Webpages with URLs 5:13 
   Serving Webpages 6:14 
    Serving Webpages, Client Machine, and Server Machine 6:15 
   Static vs. Dynamic Webpages 8:30 
    Static Webpage 8:31 
    Dynamic Webpage 8:55 
   Server-Side Scripting 9:54 
    Server-Side Scripting 9:55 
   Static and Dynamic Webpage Coding Example 11:17 
    Static and Dynamic Webpage Coding Example 11:18 
   Serving Dynamic Webpages 13:07 
    Serving Dynamic Webpages 13:08 
  Setting Up Your Development Environment 33:11
   Intro 0:00 
   Lesson Overview 0:08 
    Lesson Overview 0:09 
   Development Environments 1:04 
    Development Environments 1:05 
    Our Default Development Environment: Window 7 1:54 
   Remote Development 4:04 
    Development Machine & Remote Server 4:05 
   Local Development 6:54 
    Development Machine 6:55 
   Software Used In This Course 9:41 
    Firefox Web Browser & Firebug Add-On 9:42 
    XAMPP 12:15 
    PSPAD Text Editor 13:16 
   XAMPP Installation 13:49 
    XAMPP Installation 13:50 
   Verify XAMPP Install 16:26 
    Verify XAMPP Install 16:27 
   localhost 19:08 
    localhost and 127.0.0.1 'loopback' IP Address 19:09 
   Document Root 21:16 
    Document Root and Directory Name 21:17 
    Document Root for Apache in XAMPP: htdocs & Example 22:13 
   Text Editor Spectrum 26:12 
    Text Editor Spectrum: Barebones to IDE 26:13 
    PSPad & Example 27:02 
   Finding Help 30:26 
    Web Resources 30:27 
   Homework Challenge 31:36 
    Homework Challenge 31:37 
   Homework Challenge (cont.) 32:38 
    Homework Challenge (cont.) 32:39 
  Your First PHP Script 12:41
   Intro 0:00 
   Lesson Overview 0:19 
    Lesson Overview 0:20 
   .php To HTML 1:00 
    .php To HTML 1:01 
   PHP Delimiters 2:20 
    PHP Delimiters: Opening & Closing PHP Tags 2:21 
   'Hello, World!' Example 4:34 
    Echo Statement & PHP Tags 4:35 
    Adding Second Heading 7:34 
   Homework Challenge 9:56 
    Homework Challenge 9:57 
  Basic PHP Syntax 40:24
   Intro 0:00 
   Lesson Overview 0:09 
    Lesson Overview 0:10 
   PHP Delimiters 0:38 
    Long and Script Form 0:39 
    Short and ASP Style 1:33 
    Example 2:01 
   php.ini: PHP's Configuration 3:40 
    php.ini 3:41 
    Configuration Directives 3:48 
    Short and ASP Style: Enabled/Disabled 4:13 
    phpinfo() 7:58 
   Statements 14:28 
    PHP Statements 14:29 
    Example: PHP Statements 14:55 
   Comments 16:53 
    PHP Comments 16:55 
    Single-line Comments 17:37 
    Multi-line Comments 18:13 
    Example: PHP Comments 18:47 
   Coding Conventions 24:26 
    Coding Conventions 24:27 
    Example: PHP Coding Conventions 26:19 
   Homework Challenge #1 33:51 
    Homework Challenge #1 33:52 
   Homework Challenge #1 (cont.) 35:41 
    Homework Challenge #1 (cont.) 35:42 
   Homework Challenge #2 36:09 
    Homework Challenge #2 36:10 
   Homework Challenge #2 (cont.) 38:07 
    Homework Challenge #2 (cont.) 38:08 
  Variables & Numeric Data Types 16:38
   Intro 0:00 
   Lesson Overview 0:10 
    Lesson Overview 0:12 
   Working With Data 0:48 
    8 Types of Data for PHP 0:49 
   Identifiers 1:40 
    Identifiers: Definition and Example 1:41 
   Variables 2:47 
    Variables Definition 2:48 
    Variables Syntax 3:06 
   Integer Data Type 4:44 
    Integer Data Type 4:45 
    Integer Literals 5:08 
    Examples 5:30 
   Float Data Type 6:26 
    Float Data Type 6:27 
    Float Literals 7:00 
    Example 7:21 
   Example: PHP Code Declaring Variables 8:06 
    Example: PHP Code Declaring Variables 8:07 
   var_dump() Function 9:59 
    var_dump() 10:00 
    Example: Code and Output 10:30 
    Example: var_dump() Function 11:19 
   Coding Conventions: Variables 12:32 
    Lower Camel Case Notation 12:33 
    Variable Name Lengths 13:54 
   Homework Challenge 14:54 
    Homework Challenge 14:55 
  String Data Type 18:06
   Intro 0:00 
   Lesson Overview 0:12 
    Lesson Overview 0:13 
   String Data Type 0:29 
    String Data Type 0:30 
    Specifying String Literals 1:03 
   Single-Quoted Strings 1:53 
    Single-Quoted Strings 1:54 
   Escape Sequences 2:31 
    Escape Sequences 2:32 
    Example 2:46 
    Escape Sequences for Commonly Used Special Characters 4:32 
   Double-Quoted Strings 6:04 
    Double-Quoted Strings 6:05 
    Variable Interpolation 6:44 
   Coding Conventions: Strings 7:54 
    Coding Conventions: Strings 7:55 
   Homework Challenge 8:54 
    Homework Challenge 8:55 
  Include Files & Web Application Introduction 38:43
   Intro 0:00 
   Lesson Overview 0:16 
    Lesson Overview 0:17 
   include Statement 0:47 
    include Statement: Definition 0:48 
    Include Statement: Syntax 2:05 
    include Statement: Example 2:25 
   include Path 6:32 
    Absolute and Relative Path 6:34 
    Specified Path 7:15 
    Not Specified Path 7:55 
   Code Reuse 9:35 
    Code Reuse 9:36 
    Example 11:11 
   require Statement 12:56 
    require Statement: Definition 12:57 
    require Statement: Syntax 13:32 
    Include versus Require 13:52 
   Coding Conventions 16:33 
    Coding Conventions 16:34 
   Introduction to Our Web Application 20:32 
    Introduction to Our Web Application 20:33 
    Updating Web Application 21:14 
    Web Application Example 22:59 
   Homework Challenge 35:33 
    Homework Challenge 35:34 
   Homework Challenge (cont.) 37:38 
    Homework Challenge (cont.) 37:39 
  Arrays 34:00
   Intro 0:00 
   Lesson Overview 0:09 
    Lesson Overview 0:10 
   What is an Array? 0:42 
    What is an Array? 0:43 
    Arrays in PHP 1:44 
    Keys and Values 2:15 
   Types of Arrays 3:37 
    Indexed Arrays & Associative Arrays 3:38 
   array() Construct 6:47 
    Declaring Arrays 6:48 
    Defining Indexed Array 7:00 
    Defining Associative Arrays 7:43 
   Square Bracket Syntax 8:50 
    Square Bracket Syntax 8:51 
    Accessing Indexed Arrays 9:02 
    Accessing Associative Arrays 9:56 
   Arrays Example 10:41 
    Indexed Arrays Example 10:45 
    Associative Arrays Example 13:55 
   Multi-Dimensional Arrays 18:28 
    Multi-Dimensional Arrays 18:29 
    Multi-Dimensional Arrays Example 18:51 
    Multi-Dimensional Arrays in PHP File 20:34 
   Coding Conventions: Arrays 27:59 
    Coding Conventions: Arrays 28:00 
   Homework Challenge #1 29:20 
    Homework Challenge #1 29:21 
   Homework Challenge #2 30:38 
    Homework Challenge #2 30:39 
  Web Application Development 27:38
   Intro 0:00 
   Versions 0:14 
    Version 3.0 1:23 
    Version 3.1 8:08 
    Version 3.2 11:42 
    Version 3.3 20:27 
   Homework Challenge 26:31 
    Homework Challenge 26:32 
  Script Input & The GET Method 30:18
   Intro 0:00 
   Lesson Overview 0:15 
    Lesson Overview 0:16 
   Providing Input to PHP 0:39 
    GET Method, POST Method, and Cookies 0:40 
    Name/Value Pairs 1:22 
   GET Method 1:57 
    HTTP GET Method 1:58 
    Query String 2:52 
   GET Method Example 3:38 
    GET Method Example 3:39 
   Review of HTML Forms 8:16 
    HTML Forms 8:17 
    Input Control and Submitted Form 9:13 
   <form> Tag 10:07 
    <form> Tag 10:08 
    Method 10:34 
    Action 11:13 
   Input Control Examples 11:50 
    Input Control Examples 11:51 
   Common Input Controls 17:31 
    Common Input Controls 17:32 
   Query Strings 18:52 
    Query Strings 18:53 
    Query Strings Syntax 19:12 
   URL Encoding 20:01 
    URL Syntax 20:02 
    Examples 21:17 
    Simple Form Example 22:28 
   urlencode() Function 24:08 
    urlencode() Function 24:09 
    Example 25:03 
   urlEncoding Text Example 25:54 
    Simple Form Example 25:55 
   Homework Challenge 28:46 
    Homework Challenge 28:47 
  Accessing Form Data in PHP 32:01
   Intro 0:00 
   Lesson Overview 0:17 
    Lesson Overview 0:18 
   $_GET Array 0:48 
    $_GET Array 0:49 
    Accessing the Value of a Name/Value Pair Submitted Via GET 1:04 
   Name Form Example 2:54 
    Name Form and the $_GET Array 2:55 
   Using Arrays with Input Controls 6:34 
    Using Arrays with Input Controls 6:35 
    Common Example 6:47 
   Indexed Array Form Example 8:16 
    Indexed Array Form Example 8:17 
   Associative Arrays with Input Controls 10:14 
    Associative Arrays with Input Controls 10:15 
   Associative Arrays Example 11:41 
    Associative Arrays Example 11:42 
   Echo Form Example 15:18 
    Echo Form Example 15:19 
   Outputting Arrays In String 23:42 
    Variable Interpolation 23:43 
    Outputting a Value in an Indexed Array Within a String 24:12 
    Simple' Syntax, 'Complex' Syntax, and 'Curly Brace' Syntax 25:00 
   Outputting Arrays In String Example 26:25 
    Outputting Arrays In String Example 26:26 
   Homework Challenge 29:39 
    Homework Challenge 29:40 
  Web Application Development 20:20
   Intro 0:00 
   Lesson Overview 0:19 
    Lesson Overview 0:20 
   Version 3.3 0:38 
    Version 3.3 0:42 
   Version 4.0 Changelog 2:43 
    GET Query 2:45 
    Adding, Editing, and Removing 3:24 
   Version 4.0 Coding Example 3:55 
    item.php, itemID, and itemListing 4:00 
   Version 4.1 Changelog 10:36 
    Version 4.1 Changelog 10:37 
   Version 4.1 Coding Example 11:45 
    Adding Checkout and Thank You & Editing Footer and Store 11:46 
   Homework Challenge 18:45 
    Homework Challenge 18:46 
  Expression & Operators 31:56
   Intro 0:00 
   Lesson Overview 0:10 
    Lesson Overview 0:11 
   Expressions 0:41 
    Expressions Definition 0:42 
    Example: Literals 0:55 
    Example: Variables 1:05 
   Operators 1:44 
    Operators Definition 1:45 
    Unary, Binary, and Ternary Operators 2:07 
   Assignment Operators 2:52 
    Assignment Operators 2:53 
    Array Assignment Operator 3:47 
   Arithmetic Operators 6:15 
    Operators for Common Arithmetic Operations 6:16 
    Modulus Operator 7:41 
    Arithmetic Operators Example 8:25 
   Increment/Decrement Operators 10:48 
    Increment/Decrement Operators 10:49 
    Pre- and Post- Increment/Decrement 12:43 
    Coding Example 15:14 
   Combined Assignment Operators 16:44 
    Combined Assignment Operators 16:45 
    Combined Assignment Operators Examples 18:23 
    Coding Example 19:39 
   String Operators 20:28 
    Concatenation Operator, String Variables, and String Literals 20:29 
    String Operators Example 22:41 
   Precedence & Associativity 23:40 
    Precedence & Associativity 23:41 
    Expression Containing Multiple Operations 23:58 
    Expression Containing Two Operations of Equal Precedence 25:55 
    Using Parentheses to Force Precedence 26:52 
    Precedence & Associativity Review 28:57 
   Homework Challenge 31:08 
    Homework Challenge 31:09 
  Web Application Development 20:51
   Intro 0:00 
   Lesson Overview 0:15 
    Lesson Overview 0:16 
   Version 4.1 Review 0:33 
    Version 4.1 Review 0:34 
   Version 5.0 Changelog 1:05 
    Version 5.0 Changelog 1:06 
   Version 5.0 Example 2:19 
    Adding View Cart & Editing Checkout, Footer and Store 2:20 
   Version 5.1 Changelog 15:36 
    Version 5.1 Changelog 15:37 
   Version 5.1 Coding Example 17:33 
    Forwarding Order Total to Thank You Page 17:34 
   Homework Challenge 20:09 
    Homework Challenge 20:10 
  Boolean & Null Data Types 20:11
   Intro 0:00 
   Lesson Overview 0:12 
    Lesson Overview 0:13 
   Boolean Data Type 0:38 
    Boolean Data Type 0:39 
    Two Boolean Literals 1:24 
   Boolean Example 1:50 
    Boolean Example 1:51 
   Comparison Operators 4:00 
    Comparison Operators Definition 4:01 
    Common Comparison Operators 4:40 
    Comparison Operators Example 6:49 
   Comparison Operators (Cont.) 10:10 
    Identical and Not Identical 10:11 
    Example: Identical and Not Identical 11:24 
   Null Data Type 13:36 
    Null Data Type Definition 13:37 
    Null Literal 14:08 
    Variable and Null Data Type 14:30 
    '==' Operator 15:24 
    Null Data Type Example 15:59 
   Coding Convention 18:41 
    Coding Convention 18:42 
   Homework Challenge 19:17 
    Homework Challenge 19:18 
  Type Casting 22:41
   Intro 0:00 
   Lesson Overview 0:12 
    Lesson Overview 0:13 
   Type Juggling 0:54 
    Type Juggling 0:55 
    Automatic Conversion 2:23 
   Type Casting 3:53 
    Type Casting 3:54 
    Implicit and Explicit Type Casting 4:00 
    Explicitly 'cast' a Variable Example 4:16 
   Type Casting (cont.) 6:48 
    PHP Allows the Following Explicit Type Casts 6:49 
    The settype () Function 8:18 
   Type Casting Coding Example 9:00 
    Explicit Type Casts 9:01 
   String Conversions 14:52 
    String Conversions 15:05 
    Common Conversions to String 15:55 
   Numeric Conversions 18:18 
    Numeric Conversions 18:19 
   Boolean Conversions 20:29 
    Boolean Conversions 20:30 
   Homework Challenge 21:38 
    Homework Challenge 21:39 
  Introduction to Functions 52:20
   Intro 0:00 
   Lesson Overview 0:10 
    Lesson Overview 0:11 
   What are Functions? 0:51 
    Definition of Faction 0:52 
    PHP and Function Call 1:53 
   Function Calls 2:42 
    Function Calls 2:43 
    Function Arguments 3:17 
   Return Values 4:56 
    Return Values 4:57 
   Function Chaining 6:29 
    Function Chaining 6:30 
   PHP.net Function Reference 8:23 
    PHP.net & Function Prototypes 8:24 
    PHP.net Function Reference Example 9:29 
   Optional Function Arguments 12:28 
    Optional Function Arguments 12:29 
   String Functions 14:57 
    strtoupper() and strtolower() 14:58 
    implode (), str_replace(), explode(), strpos(), substr(), and strlen() 18:31 
   Array Functions 25:48 
    count() 25:49 
    in_array() and array_key_exists() 26:06 
    sort() and ksort() 26:37 
    Example: count() and in_array() 27:50 
    Example: array_key_exists() 29:53 
    Example: sort() and ksort() 31:20 
   Date & Time Functions 33:38 
    date() and time() 33:39 
    getdate() 34:49 
    mktime() 35:01 
    Date & Time Functions 35:12 
    Example: date() and time() 35:58 
    Example: getdate() 42:15 
    Example: mktime() 43:15 
   Homework Challenge #1 44:31 
    Homework Challenge #1 44:32 
   Homework Challenge #1 (Cont.) 45:28 
    Homework Challenge #1 (Cont.) 45:29 
   Homework Challenge #2 46:34 
    Homework Challenge #2 46:34 
   Homework Challenge #2 (Cont.) 48:06 
    Homework Challenge #2 (Cont.) 48:07 
   Homework Challenge #2 (Cont.) 49:17 
    Homework Challenge #2 (Cont.) 49:18 
   Homework Challenge #3 50:08 
    Homework Challenge #3 50:09 
  Constants 19:24
   Intro 0:00 
   Lesson Overview 0:09 
    Lesson Overview 0:10 
   Constants vs. Variables 0:55 
    Constants vs. Variables 0:56 
   Constant Identifiers 2:28 
    Constant Identifiers Definition and Examples 2:29 
   Declaring Constants 3:47 
    Two Ways of Declaring Constants 3:48 
    Syntaxes 4:10 
    Major Difference in the Two Forms 4:48 
   Using Constants Example 6:25 
    Using Constants Example 6:26 
   Coding Conventions 11:08 
    Constant Names 11:09 
    define () Function 11:42 
    Meaningful Names 12:00 
   $_SERVER Superglobal 12:23 
    $_SERVER 12:24 
    $_SERVER ['DOCUMENT_ROOT'] 13:15 
    $_SERVER Superglobal Example 13:52 
   Homework Challenge 17:40 
    Homework Challenge 17:41 
  Web Application Development 26:29
   Intro 0:00 
   Lesson Overview 0:13 
    Lesson Overview 0:14 
   Version 6.0 1:13 
    Version 6.0 & Version 5.1 Review 1:14 
   Version 6.0 Changelog 11:24 
    Version 6.0 Changelog 11:25 
   Version 6.1 Changelog 12:00 
    Version 6.1 Changelog 12:01 
   Version 6.1 Coding Example 12:42 
    Version 6.1 Coding Example 12:43 
   Version 6.2 Changelog 15:18 
    Version 6.2 Changelog 15:19 
   Version 6.2 Coding Example 18:19 
    Version 6.2 Coding Example 18:20 
   Homework Challenge 25:24 
    Homework Challenge 25:25 
  Conditional Control Structures 18:58
   Intro 0:00 
   Lesson Overview 0:26 
    Lesson Overview 0:27 
   Statement Groups 0:57 
    Statement Groups 0:58 
    Example 1:10 
   Conditional Control Structures 1:38 
    Conditional Control Structures 1:39 
    PHP Control Structures 1:56 
   if Statement 2:32 
    if Statement 2:33 
   if Statement (cont.) 3:49 
    if Statement Coding Example 3:50 
   else Statement 7:26 
    else Statement 7:27 
    if/else Statement Coding Example 8:50 
   isset() Construct 9:59 
    isset() Construct 10:00 
    isset() Construct Coding Example 12:00 
   Coding Conventions 15:13 
    Coding Conventions 15:14 
   Coding Conventions (Cont.) 16:39 
    Coding Conventions (Cont.) 16:40 
   Homework Challenge 17:25 
    Homework Challenge 17:26 
  Error Handling 19:08
   Intro 0:00 
   Lesson Overview 0:09 
    Lesson Overview 0:10 
   Error Handling in PHP 0:41 
    Error Handling in PHP 0:42 
    Coding Example 1:45 
   error_reporting() Function 7:02 
    error_reporting() Function 7:03 
    Coding Example 8:04 
   Additional Error Directives 9:02 
    display_errors 9:13 
    log_errors 9:37 
    error_log 9:50 
    track_errors 10:12 
    Coding Examples 10:29 
   Error Control Operator 13:38 
    Error Control Operator & Coding Example 13:39 
   Homework Challenge 16:19 
    Homework Challenge 16:20 
   Homework Challenge (cont.) 17:58 
    Homework Challenge (cont.) 17:59 
  Logical & Ternary Operators 23:22
   Intro 0:00 
   Lesson Overview 0:17 
    Lesson Overview 0:18 
   Logical Operators 0:49 
    Logical Operators Definition 0:50 
    NOT (!) 1:08 
    OR ( ||, or) 1:35 
    AND (&&, and) 2:08 
    XOR (xor) 2:30 
   Logical Operators (cont.) 2:54 
    The OR and AND Logical Operators 2:55 
    Precedence of Logical Operators 3:35 
   Logical Operators Coding Example 3:58 
    Logical Operators Coding Example 3:59 
   Short-Circuit Operators 9:54 
    Short-Circuit Operators 9:55 
    Coding Example 10:49 
   Ternary Operator 14:07 
    Ternary Operator 14:08 
    Syntax and Example 14:24 
   Coding Conventions 17:36 
    Coding Conventions 17:37 
   Homework Challenge 19:08 
    Homework Challenge 19:09 
   Homework Challenge (cont.) 20:26 
    Homework Challenge (cont.) 20:27 
  Web Application Development 19:27
   Intro 0:00 
   Lesson Overview 0:12 
    Lesson Overview 0:13 
   Version 6.2 Review 0:26 
    Version 6.2 Review 0:27 
   Version 7.0 Changelog 2:39 
    Version 7.0 Changelog 2:40 
   Version 7.0 Coding Example 4:35 
    Version 7.0 Coding Example 4:36 
   Version 7.1 Changelog 12:43 
    Version 7.1 Changelog 12:44 
   Version 7.1 Coding Example 13:52 
    Version 7.1 Coding Example 13:53 
   Homework Challenge 17:42 
    Homework Challenge 17:43 
  More Conditional Control Structure 20:49
   Intro 0:00 
   Lesson Overview 0:13 
    Lesson Overview 0:14 
   elseif Statement 0:45 
    elseif Statement 0:46 
    elseif Statement Coding Example 1:22 
   Multiple elseif Statements 2:16 
    Multiple elseif Statements 2:17 
    Multiple elseif Statements Coding Example 3:07 
   Adding an else Statement 5:44 
    Adding an else Statement Overview 5:45 
    Adding an else Statement Coding Example 6:50 
   switch() Statement 8:07 
    switch() Statement 8:08 
   switch() Statement (Cont.) 9:14 
    switch() Statement (Cont.) 9:15 
    switch() Statement Coding Example 11:09 
   default Case 14:20 
    default Case 14:21 
    default Case Coding Example 15:13 
   Coding Conventions 15:57 
    Coding Conventions 15:58 
   Coding Conventions (cont.) 17:10 
    Coding Conventions (cont.) 17:11 
   Homework Challenge 18:06 
    Homework Challenge 18:07 
   Homework Challenge (cont.) 19:18 
    Homework Challenge (cont.) 19:19 
  Nested Conditional Control Structures 24:49
   Intro 0:00 
   Lesson Overview 0:10 
    Lesson Overview 0:11 
   Nested Control Structures 0:36 
    Nested Control Structures 0:37 
    Nested Control Structures Coding Example 2:08 
   Coding Conventions 6:34 
    Nested vs. Not Nested Control Structures 6:35 
   Debugging Control Structures 7:51 
    Debugging Control Structures 7:52 
    Incorrectly Specified Test Conditions and Forgetting a Break Statement 8:32 
    Incorrectly Placing an Opening or Closing Curly Brace 12:14 
   Debugging Tips 16:24 
    Tracing the Execution of Your Code 16:25 
    Adding Echo Statement 17:15 
   Homework Challenge 21:41 
    Homework Challenge 21:42 
   Homework Challenge (cont.) 23:08 
    Homework Challenge (cont.) 23:09 
  Web Application Development 28:20
   Intro 0:00 
   Lesson Overview 0:13 
    Lesson Overview 0:14 
   Version 7.1 Review 0:46 
    Version 7.1 Review 0:47 
   empty () Construct 1:38 
    empty () Construct 1:39 
    empty () Construct Coding Example 2:37 
   Version 8.0 5:32 
    Version 8.0 Overview 5:33 
   Version 8.0 Coding Example 7:08 
    Version 8.0 Coding Example 7:09 
   Version 8.1 16:13 
    Version 8.1 Overview 16:14 
   Version 8.1 Coding Example 19:48 
    Version 8.1 Coding Example 19:49 
   Homework Challenge 26:19 
    Homework Challenge 26:20 
  Sending Email Using PHP 43:50
   Intro 0:00 
   Lesson Overview 0:14 
    Lesson Overview 0:15 
   Built-in Mail Extension 1:28 
    Built-in Mail Extension 1:29 
   SMTP Overview 2:04 
    SMTP Overview 2:05 
   SMTP - Windows 3:08 
    SMTP - Windows 3:09 
   SMTP - Linux/UNIX 4:58 
    SMTP - Linux/UNIX 4:59 
   Mail Configuration Directives 6:35 
    Mail Configuration Directives 6:36 
    Coding Example 7:48 
   Mail Server Authentication 10:20 
    Mail Server Authentication 10:21 
   fake sendmail Program 12:27 
    fake sendmail for Windows 12:28 
    Main 'add-on' feature 13:03 
    Username & Password 13:25 
   SMTP - XAMPP for Windows 14:07 
    SMTP - XAMPP for Windows 14:08 
   Sendmail Example 16:19 
    Sendmail Example 16:20 
   mail() Function 18:39 
    mail() Function 18:40 
    additional_headers 19:45 
    'From' Header 20:12 
   mail() Function Coding Example 21:09 
    mail() Function Coding Example 21:40 
   Web Application Development 31:43 
    Version 9.0 Changelog 31:44 
   ContactUs.php 32:52 
    ContactUs.php 32:53 
    contactInfo 33:45 
   Version 9.0 Coding Example 34:31 
    Version 9.0 Coding Example 34:32 
   Homework Challenge 41:32 
    Homework Challenge 41:33 
  User-Defined Functions 56:00
   Intro 0:00 
   Lesson Overview 0:16 
    Lesson Overview 0:17 
   Defining Functions 1:29 
    Four Parts of Defining a Function 1:30 
    Functions Example 1 2:29 
   Function Parameters 5:29 
    Function Parameters 5:30 
    Functions Example 2 8:20 
   Return Statements 12:53 
    Return Statements 12:54 
    Functions Example 3 14:20 
   Where to Define Functions 20:34 
    Where to Define Functions 20:35 
   include_once Construct 22:10 
    include_once Construct 22:11 
    include_once Coding Example 23:55 
   Reasons to Use Functions 27:44 
    Take Advantage of Code Reuse 27:45 
    Improve Code Readability 29:56 
    Use Instead of 'content' Include Files 32:12 
   Web Application Development 34:42 
    Version 10.0 Changelog 34:43 
   Version 10.0 Coding Example 37:55 
    Version 10.0 Coding Example 37:56 
   Outputting HTML in Functions 47:04 
    Outputting HTML in Functions 47:05 
    Example 49:02 
   Coding Conventions 53:16 
    Coding Conventions 53:17 
   Homework Challenge 54:33 
    Homework Challenge 54:34 
  Variable Scope 31:37
   Intro 0:00 
   Lesson Overview 0:09 
    Lesson Overview 0:10 
   What is Variable Scope? 0:57 
    Variable Scope 0:58 
    Global Scope 1:15 
    Local Function Scope 1:50 
   Variable Scope Coding Example 2:26 
    Variable Scope Coding Example 2:27 
   global Keyword 8:52 
    global Keyword Overview 8:53 
    global Keyword Example 9:25 
   Superglobals 12:34 
    Superglobals 12:35 
    Superglobals Example 14:53 
   Pitfalls of Global Variables 18:34 
    Pitfalls of Global Variables 18:35 
   When to Define Variables 22:09 
    When to Define Variables 22:10 
   Putting It All Together 22:56 
    Putting It All Together Example 22:57 
   Function Scope 28:56 
    Function Scope 28:57 
   Homework Challenge 29:41 
    Homework Challenge 29:42 
   Homework Challenge (cont.) 30:59 
    Homework Challenge (cont.) 31:00 
  Web Application Development 28:27
   Intro 0:00 
   Lesson Overview 0:12 
    Lesson Overview 0:13 
   Version 11.0 Changelog 0:56 
    Version 11.0 Changelog 0:57 
   processGetVar() 1:42 
    processGetVar() Overview 1:43 
    processGetVar() Example 2:25 
   emailComments() 6:35 
    emailComments() Overview 6:36 
    emailComments() Example 7:14 
   outputItemLink() 11:19 
    outputItemLink() Overview 11:20 
    outputItemLink() Example 11:45 
   calcCartTotal() 19:25 
    calcCartTotal() Overview 19:26 
    calcCartTotal() Example 21:14 
   Homework Challenge 25:56 
    Homework Challenge 25:57 
  Optional Parameters 19:35
   Intro 0:00 
   Lesson Overview 0:10 
    Lesson Overview 0:11 
   Optional Parameters 0:26 
    Optional Parameters Definition 0:27 
    Default Values 0:53 
    Optional Parameters Coding Example 3:26 
   More on Optional Parameters 6:55 
    Multiple Optional Parameters 6:56 
    Coding Example 8:05 
   Homework Challenge 16:18 
    Homework Challenge 16:19 
  Web Application Development 23:07
   Intro 0:00 
   Lesson Overview 0:13 
    Lesson Overview 0:14 
   Version 12.0 Changelog 0:55 
    Version 12.0 Changelog 0:56 
   Update to outputLink() 1:44 
    Update to outputLink() 1:45 
    outputLink() Coding Example 2:40 
   outputImg() 13:57 
    outputImg() Overview 13:58 
    outputImg() Coding Example 15:35 
   Homework Challenge 22:05 
    Homework Challenge 22:06 
  Introduction to Conditional Loops 57:20
   Intro 0:00 
   Lesson Overview 0:08 
    Lesson Overview 0:09 
   while Loop 0:48 
    Definition 0:49 
    Syntax and Usage 1:12 
    Coding Example 3:33 
   Looping Over Arrays 13:16 
    Looping Over Arrays 13:17 
    Coding Example 13:53 
   Looping Over Arrays (cont.) 16:43 
    Internal Array Pointer 16:44 
   Array Traversal Functions 17:29 
    current () 17:30 
    next () and prev () 18:16 
    reset () and end () 19:25 
    key () 19:40 
   Indexed Arrays: Using current () and next () 20:40 
    Indexed Arrays: Using current () and next () 20:41 
   Associative Arrays: Using key (), current (), and next () 24:06 
    Associative Arrays: Using key (), current (), and next () 24:07 
   Array Traversal Functions (cont.) 29:41 
    list () Construct and Example 30:07 
    each () Construct and Example 34:40 
   Lopping Over Arrays Using list(), each() 42:13 
    Lopping Over Arrays Using list(), each() 42:14 
   Control Structure Scope 50:37 
    Definition and Example 50:38 
    Control Structure Scope Coding Example 51:59 
   Coding Conventions 54:20 
    Coding Conventions 54:21 
   Homework Challenge 54:58 
    Homework Challenge 54:49 
  More on Conditional Loops 35:50
   Intro 0:00 
   Lesson Overview 0:08 
    Lesson Overview 0:09 
   do-while Loop 0:42 
    do-while Loop 0:43 
    Simple do-while Loop Example 1:51 
    Another do-while Loop Example 4:09 
   continue Statement 10:46 
    continue Statement 10:47 
    For Example 11:07 
    continue Statement Coding Example 12:44 
   break Statement Re-Visited 18:10 
    break Statement Re-Visited 18:11 
    break Statement In while Loops Example 19:38 
   Infinite Loops 23:26 
    Infinite Loops 23:27 
    Coding Example 24:57 
   Common Loop Pitfalls 25:59 
    Counter Initialization Occurs in Loop 26:30 
    Counter Not Incremented in Loop 29:30 
    Unreachable Break Statement 30:50 
   Coding Conventions 33:48 
    Do-while Statements Coding Conventions 33:49 
   Homework Challenge 34:28 
    Homework Challenge 34:29 
  Web Application Development 22:07
   Intro 0:00 
   Lesson Overview 0:10 
    Lesson Overview 0:11 
   Version 13.0 Changelog 0:48 
    Updating 'viewCart.php' and calcCartTotal() 0:49 
    Creating isValidCart() 9:22 
    Adding Three New Item to the Store & Links 15:56 
   Version 13.1 Changelog 17:20 
    Updating outputItemLink() to Remove Its Global Dependency on $itemCatalog 17:21 
   Homework Challenge 20:34 
    Homework Challenge 20:35 
  For & Foreach Loops 29:28
   Intro 0:00 
   Lesson Overview 0:11 
    Lesson Overview 0:12 
   for Loops 0:45 
    for Loops 0:46 
    Expression 1 1:22 
    Expression 2 1:47 
    Expression 3 2:01 
   Simple Example 2:27 
    Simple Example 2:28 
   Notes on for Loops 8:56 
    Notes on for Loops 8:57 
   Ending Loop Using Test Condition and Break Statement 10:06 
    Ending Loop Using Test Condition and Break Statement 10:07 
   foreach Loops 12:03 
    foreach Loops 12:04 
   Indexed Array Syntax 14:10 
    Syntax 14:11 
    Example 15:23 
   Associative Array Syntax 18:31 
    Syntax 18:32 
    Example 19:47 
   Coding Conventions 25:05 
    for Loops 25:06 
    foreach Loops 25:58 
   Homework Challenge 26:52 
    Homework Challenge 26:53 
  Web Application Development 25:58
   Intro 0:00 
   Lesson Overview 0:12 
    Lesson Overview 0:13 
   Version 14.0 Changelog 1:19 
    Version 14.0 Changelog 1:20 
   Version 14.0 Coding Example 1:57 
    Version 14.0 Coding Example 1:59 
   Version 14.1 Changelog 5:39 
    Version 14.1 Changelog 5:40 
   Version 14.1 Coding Example 7:06 
    Version 14.1 Coding Example 7:07 
   Version 14.2 Changelog 15:37 
    Version 14.2 Changelog 15:38 
   Version 14.2 Coding Example 16:25 
    Version 14.2 Coding Example 16:26 
   Homework Challenge 23:35 
    Homework Challenge 23:36 
  Conditional Loop Wrap-Up 23:12
   Intro 0:00 
   Lesson Overview 0:09 
    Lesson Overview 0:10 
   Nested Conditional Loops 0:39 
    Nested Conditional Loops 0:40 
    Coding Example 1:10 
   continue & break Re-Visited 5:17 
    Continue Statements and Coding Example 5:30 
    Break Statements and Coding Example 11:34 
   Loop Debugging Tips 15:16 
    Add Short Debug Statement At the Very Beginning 15:17 
    Output a Counter Variable 18:10 
    Add Debug Statement At the Very End 19:20 
   Homework Challenge 20:20 
    Homework Challenge 20:21 
   Homework Challenge (cont.) 22:00 
    Homework Challenge (cont.) 22:01 
  Variable-Length Parameter Lists 22:16
   Intro 0:00 
   Lesson Overview 0:09 
    Lesson Overview 0:10 
   Variable-Length Parameter Lists 0:34 
    Variable-Length Parameter Lists 0:35 
    Coding Example 1:51 
   Variable-Length Parameter Lists (cont.) 5:21 
    When a Parameter List is Defined For the Functions 5:22 
    Coding Example 6:32 
   Variable Type Functions 9:54 
    is_int (), is_float (), is_string (), and is_bool() 9:55 
    is_ array () 10:50 
    is_null () 11:01 
    Variable Type Functions Coding Example 1 11:27 
    is_numeric() and Example 15:57 
    Variable Type Functions Coding Example 2 17:12 
   Homework Challenge 19:35 
    Homework Challenge 19:36 
   Homework Challenge (cont.) 20:52 
    Homework Challenge (cont.) 20:53 
  Web Application Development 38:36
   Intro 0:00 
   Lesson Overview 0:10 
    Lesson Overview 0:11 
   Version 15.0 Changelog 0:33 
    outputLink (), outputImg (), is_array () and is_string () 0:34 
   Version 15.0 Coding Example 1:31 
    Version 15.0 Coding Example 1:32 
   Version 15.1 Changelog 7:55 
    Removing Redundant Code and Adding New Function Called outputHtmlTag () 7:56 
   Version 15.1 Coding Example 8:37 
    Version 15.1 Coding Example 8:38 
   Version 16.0 Changelog 14:55 
    Creating emailOrder() Using New Constants ORDER_EMAIL_FROM and ORDER_EMAIL_SUBJECT 14:56 
   Version 16.0 Coding Example 16:30 
    Version 16.0 Coding Example 16:31 
   Version 16.1 Changelog 32:21 
    Creating formatAsDollars () 32:22 
   Version 16.1 Coding Example 32:57 
    Version 16.1 Coding Example 32:58 
   Homework Challenge 36:27 
    Homework Challenge 36:28 
  Miscellaneous Topics 31:49
   Intro 0:00 
   Lesson Overview 0:10 
    Lesson Overview 0:11 
   register_globals Directive 0:58 
    register_globals 0:59 
    Coding Example 2:04 
   $_GET vs. $HTTP_GET_VARS 4:07 
    $_GET vs. $HTTP_GET_VARS 4:08 
    register_long_arrays Directive Coding Example 5:44 
   Magic Constants 7:30 
    Magic Constants 7:31 
    __LINE__, __FILE__, __FIR__, and __FUNCTION__ 8:16 
    Coding Example 9:06 
   exist() & die() 13:19 
    exist() & die() 13:20 
    Coding Example 14:08 
   Execution Operator 16:23 
    Execution Operator 16:24 
    Coding Example 17:27 
   Array Operators 18:23 
    Equality (==) and Inequality (!=, <>) 18:43 
    Identity (===) and Non-Identity (!==) 19:13 
    Union (+) Operator 19:41 
    Array Operators Coding Example 20:07 
   Variable Variables 24:13 
    Variable Variables 24:14 
    Coding Example 26:07 
   Variable Functions 28:02 
    Variable Functions 28:03 
    Coding Example 29:13