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Type Juggling and Type Casting in PHP

Juggling and casting the variables types in PHP. Different to constants, a variable is automatically declared in PHP when you assign a value to it. Assignment is accomplished with the assignment operator (=). Note that the assignment operator (...
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PHP Script Tips - Creating Your Own Functions

A collection of 19 tips on creating your own PHP functions. Clear answers are provided with tutorial exercises on defining functions, defining arguments, passing references, returning references, argument default values, etc. Special topics are: Ho...
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Variables in PHP

Variables are nothing but identifiers to the memory location to store data. We can create any number of varibles. In PHP all the variables begin with a dollar sign &"$&" and the value can be assignes using the &"=&"...
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Develop rock-solid code in PHP: Use variables effectively

The series Develop rock-solid code in PHP is about solving practical, real-life problems in medium- to large-scale applications. This article discusses how to use variables effectively. It also shows how to make script configuration easy by construct...
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PHP Form Validation Class

Form_Validator Class is a PHP object that can be used to validate the presence of HTML form data. By &"validating&", the function simply checks if a variable is NOT NULL. The class is intended to be called AFTER the end-user has sub...
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