Constant in PHP | #8 PHP Tutorial for beginners in HINDI

Welcome to Tech Talk Tricks and in this video, we will learn constant in php.

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A constant name starts with a letter or underscore, followed by any number of letters, numbers, or underscores. If you have defined a constant, it can never be changed or undefined. To define a constant you have to use define() function and to retrieve the value of a constant, you have to simply specifying its name.

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