Overview
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A gentle introduction to PHP, with simple exercises that help you develop dynamic web content, user input forms, and database-powered product pages.
Syllabus
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Introduction
- Welcome
- What you should know before watching this course
- Using the exercise files
- Configuring MAMP to show errors (Mac)
- How PHP makes web pages dynamic
- How to use PHP in a web page
- Using variables to store information
- Storing numbers and text in variables
- Displaying the values of number and text variables
- Using functions to manipulate values
- Adding comments to PHP scripts
- What are server-side includes?
- Deciding which include command to use
- Challenge: Moving common elements to include files
- Solution: Moving common elements to include files
- Making sure internal links still work in an include file
- How PHP makes decisions
- Changing output depending on the current time
- Adjusting the server's time zone
- Displaying an up-to-date copyright notice
- Challenge: Displaying an image of the month
- Solution: Displaying an image of the month
- Understanding what PHP treats as true and false
- Storing multiple values in a variable as an array
- Inspecting an array's elements
- Challenge: Inserting the appropriate alt text
- Solution: Inserting the appropriate alt text
- Displaying an array as a comma-separated list
- Looping through an array's values
- Labeling array elements
- Looping through an array's labels and values
- Finding if a value exists in an array
- Challenge: Displaying a seasonal feature
- Solution: Displaying a seasonal feature
- Getting form input sent by the POST method
- Retrieving values from a URL's query string
- Challenge: Plan the order form
- Solution: Plan the order form
- Finding and extracting a substring
- Organizing the form data into arrays
- Using a loop to build a table for the data
- Controlling which rows are displayed
- Creating a custom function to extract part of a file name
- Calculating the order total
- Using PHP sessions to preserve data
- Storing data in session variables
- Ending the PHP session and deleting the data
- Loading data into MySQL
- Connecting to the database
- Querying the database
- Displaying the results of the query
- Using modulo division to establish a repeating series
- Repeating output at specific intervals in a loop
- Linking to a details page
- Embedding a variable in a query securely
- Handling database errors gracefully--and securely
- Dealing with PHP errors
- Why is my page blank or incomplete?
- Tracking down parse errors
- What to do with "failed to open stream"
- What does "headers already sent" mean?
- What does undefined index, variable, or constant mean?
- What on earth is T_ENCAPSED_AND_WHITESPACE?
- What's next?
