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Php-training-Thursday-august-22-2013

Introduced New Array Functions in PHP

array_combine() - Creates an array by using one array for keys and another for its values.

Definition and Usage

Syntax

array_diff_uassoc() - Computes the difference of arrays with additional index check which is performed by a user supplied callback function.

Definition and Usage

Syntax

More Examples

array_udiff() - Computes the difference of arrays by using a callback function for data comparison.

Definition and Usage

Syntax

Examples

array_udiff_assoc() - Computes the difference of arrays with additional index check. The data is compared by using a callback function.

Example

Definition and Usage

Syntax

array_udiff_uassoc() - Computes the difference of arrays with additional index check. The data is compared by using a callback function. The index check is done by a callback function also.

Example

Definition and Usage

Syntax

array_walk_recursive() - Apply a user function recursively to every member of an array.

Example

Definition and Usage

Syntax

array_uintersect_assoc() - Computes the intersection of arrays with additional index check. The data is compared by using a callback function.

Example

Definition and Usage

Syntax

array_uintersect_uassoc() - Computes the intersection of arrays with additional index check. Both the data and the indexes are compared by using separate callback functions.

Example

Definition and Usage

Syntax

array_uintersect() - Computes the intersection of arrays. The data is compared by using a callback function.
 

Definition and Usage

Syntax

Example

Php-training-Saturday-august-17-2013

How to Implement CAPTCHA Image in PHP Module

Sample PHP Implementation

                     PHP Module

                     Stages

                                -Quering

                                -Checking

CaptchasDotNet PHP Module

How to Create CAPTCHA Protection using PHP and AJAX

                 The AJAX HTML Page (the Front-end)

                     The JavaScript

                     The PHP Server Page (the Backend)

                     The Ways to Make It More Secure

Creating a CAPTCHA with PHP

                 How does a CAPTCHA work?

                     Creating the random text

                     Writing the text to the image

                     Check if the user entered the code correctly

                     Improvements and Conclusion

php-training-Thursday-august-15-2013

Build your own PHP Survey / Poll Application

Introduction

The Survey itself

The Results Page

Set a Question for your Survey

Getting prepared - Check if your downloaded files work

The Database for the Survey

Create a Database for a Survey Application

Setting a Question – the Code

PHP Code to Set a question for a survey

The Code For The Survey

PHP Survey Code

Add the Vote to the Database

Adding the Survey Vote to the Database

Viewing the Results of the Survey

View the Survey Results

How Many People voted for a particular Option?             

Display a Graphics for the results

php-training-Wednesday-august-14-2013

Learn about PHP User Authentication

Introduction

           A word about the database used for this section

PHP login page

           Setting a Session

Checking if the User is logged on

           PHP Session Variable

PHP Logout

Register a new user

           Register a New User with PHP and MySql

Other Considerations

          PHP User Authentication

          Validation

          Passwords

          Some more things worth considering on your login/signup pages

          Conclusion