Learning PHP 7 (Video 5)

This video tutorial introduces PHP variables, explaining their types, declaration rules, and type juggling. It covers constants, their immutability, and the use of operators for variable manipulation. The tutorial emphasizes the importance of variables in programming and provides examples of different variable types and operations.

What are the rules for naming variables in PHP?

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Describe the different variable types supported by PHP.

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How does PHP handle null variables?

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Explain the concept of type juggling in PHP.

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What is the difference between a variable and a constant in PHP?

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