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# settype

(PHP 3, PHP 4 , PHP 5)

settype -- Set the type of a variable

## Description

bool settype ( mixed &var, string type)

Set the type of variable var to type.

Possibles values of type are:

- "boolean" (or, since PHP 4.2.0, "bool")

- "integer" (or, since PHP 4.2.0, "int")

- "float" (only possible since PHP 4.2.0, for older versions use the deprecated variant "double")

- "string"

- "array"

- "object"

- "null" (since PHP 4.2.0)

成功回傳`TRUE`失敗回傳`FALSE`。

示範 1.settype() example
`<?php $foo = "5bar"; // string $bar = true; // boolean settype($foo, "integer"); // $foo is now 5 (integer) settype($bar, "string"); // $bar is now "1" (string) ?>`

See also gettype(), type-casting and type-juggling.

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