PHP is Powerful, Flexible, and FREE, but you must know how to use it. Don’t worry, you’re about to learn, and you’ll wonder how you were ever gonna learn PHP without this courseWe dive right into PHP code…starting basic so anyone can learn, and then aggressively building on each topic for even the most advanced developersYou’ll create your first PHP script! …It really is simple, and I’ll show you how.

  

As you know, variables are key when it comes programming, and I’ll make learning PHP variables simple, easy, and effectiveWe’ll even cover the assignment operator, various ways you can use to compare data, and PHP’s only ternary operatorYou can begin variable names with letters and this one characterYou can’t name your own variable by this name, otherwise you’ll drive yourself nuts trying to figure out what’s wrong with your codeThe absolute most important thing you must do to your variables… not doing so could let others access your data!The difference between variables and constants in PHP, and how to use themHow to group variables with strings… If you want to print a variable inside a string, you must do this one thing, otherwise PHP will print nothing!How to concatenate stringsCreating and using arraysAdvanced Topic: Creating and using dynamic variables (variables of variables)

  

The “while” loop…and how to write it two different waysThe “do-while” loop…and its alternativeThe “for” loop…including how to use comma-separated or empty expressions in the loop statementHow to increase performance with a “for” loop… If you’re not doing this, you’re probably writing slow codePHP’s very special way to iterate over arrays quickly, saving you valuable time and energyThe “switch” and “case” statements as alternatives for “if” statementsHow to use “continue” and “break” …and the very important difference between them!PHP 5.3.0+ brings a new conditional… I’ll show you…

   

How to reuse code from one project to the next, saving your precious time and energyHow to reuse code within the same project, no more re-writing it again and againHow to make your code easier to read so you can come back to it days, weeks, or even years later and still know what it does and how it does itHow to divide and conquer big problems into smaller and easier-to-read code functions… This alone will eliminate a ton of frustration when writing complicated code. What’s complicated in theory is easy with PHP…after learning from OnlinePHPClass.comThe difference between the 4 ways to reference include files… You wouldn’t want your code to continue if your database weren’t available, now would you?Why it is critical to know how PHP treats variables in reusable code… If you don’t know this, you’ll pull your hair out, wondering why variables aren’t being set to what you expectThe importance of variable scope within functions… If you want a function to access variables created outside of the function, you must use this keyword

  

Learn how to create an HTML form, supercharged with PHP, to communicate with the visitors of your siteWe’ll cover textboxes, checkboxes, combo boxes (drop-down menus), radio buttons, submit and reset buttons, and moreThe one thing you must always remember when using radio buttonsLearn how to make your form work, even if you rename the scriptThe 3 different ways to get the data from a form…and when to use each3 different ways to sanitize information received from users, including a special set of functions just for being an OnlinePHPClass.com member!

Why you should use a database rather than a flat-file to store and access your dataThe absolute BEST MySQL admin tool on the planet that saves you time, increases efficiency, helps to ensure accuracy, that is both easy to use for beginners and highly advanced for experienced people at the same time!The one thing to keep in mind when building database-driven applications that was deemed a trade secret it was banned in schoolsHow to connect to a MySQL databaseHow to query a MySQL database4 different ways to handle data received from a query and when to use each so your code works quickly and accurately

  

We take Unit 6 to the next level…Learn how to create HTML form elements that utilize data from MySQL through PHP codeCreate dynamically-populated form elements that come pre-selected to the correct valuesHow to pre-populate and pre-select with textboxes, checkboxes, combo boxes (drop-down menus), radio buttons, submit buttons, reset buttons, and text areasHow to use checkbox arrays to make multi-variable selection even easier… PHP makes it simple, and I’ll show you how to do it.

  

Take your dynamic websites to the next level with user sessions and cookiesYou’ll learn how to ask a user to login to your site and how to verify their login credentialsWe’ll cover the differences between sessions and cookies…when to use each…and more importantly, when NOT to use eachHow to implement sessions…including the “hidden” secret to getting around a common PHP error that most newbies makeHow to implement cookies…including how to check for browser support

    

Learn how to display the time and/or date on your websiteCreate time-based access to your siteTrack when a user takes a specific action on your pageThe difference between 2 PHP time and date functions, and when to use eachThe absolute best way to store a date in a database… If you’re not doing this, you’re making it too hard on yourselfHow to do date arithmetic to get tomorrow’s date, yesterday’s date, even a date 6 months ago!

  

How to receive a file uploaded from a user to create tools like ticket systems, email programs, social networking sites, and even a web-based program I wrote to manage a computer programming competitionThere are 2 ways to store user files… One way you’ll pull your hair out implementing. The other way, I’ll show you, and it’s way easier than you think!How to restrict the user from uploading files you don’t want to receive so your code continues to work every single dayHow to view the files uploaded from a user, all from PHP, including how I bypassed a web server directory listing restriction through a simple, yet powerful and secure, PHP script. 

  

  

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