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Xiaobian to share with you the PHP function parameter sample analysis, I believe most people do not know how, so share this article for your reference, I hope you read this article after a great harvest, let us go to understand it!

PHP function parameters

You can pass information to functions through parameters. Parameters are similar to variables.

Parameters are defined after the function name, inside parentheses. You can add as many parameters as you want, as long as they are separated by commas.

The function in the example below takes one argument ($fname). When familyName() is called, we also pass a first name (e.g. Bill), which outputs a different first name but the same last name:

examples

running instance

The function in the following example takes two arguments ($fname and $year):

examples

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