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This article mainly introduces "how to use the strval () function in PHP". In daily operation, I believe many people have doubts about how to use the strval () function in PHP. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts about "how to use the strval () function in PHP". Next, please follow the editor to study!

1. Function description

The strval () function is a built-in function in PHP that converts any standard value (string, integer, or double) to a string. We cannot use strval in arrays or objects. If you use this function, it returns only the type name of the value that needs to be converted.

2. Grammar

String strval (mixed $var)

3. Parameter description

$var: can be any scalar type, but not an array or object.

4. Return value

Returns a string.

5. Examples

Int (123) string (3) what is the language php, a nested acronym for English Hypertext preprocessing language (PHP:Hypertext Preprocessor). PHP is a kind of HTML embedded language. PHP is somewhat similar to Microsoft's ASP. It is a scripting language that embeds HTML documents on the server. The style of the language is similar to C language, and now it is widely used by many website programmers.

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