PHP函数_settype()

settype

(PHP 4, PHP 5)

settype — 设置变量的类型

Description

bool settype (  &$var , string $type )

设置变量var的类型为type。

Parameters

var

需要类型转换的变量。

type

type可能的取值：

• "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)

Return Values

Returns TRUE on success or FALSE on failure.

Examples

Example #1 settype() example

$foo = "5bar"; // string
$bar = true;   // boolean

settype($foo, "integer"); // $foo is now 5   (integer)
settype($bar, "string");  // $bar is now "1" (string)
?>

Notes

Note:

Maximum value for "int" is PHP_INT_MAX.

See Also

•  - Get the type of a variable