PHP settype() function

Author：Eve Cole Update Time：2024-12-28 09:48:01

The settype() function is used to set the type of a variable.

PHP version requirements: PHP 4, PHP 5, PHP 7

grammar

 bool settype ( mixed &$var , string $type )

Parameter description:

$var: variable to be converted.

$type: Possible values for type are.

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

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

"float" (only available since PHP 4.2.0, "double" used in older versions is now deprecated)

"string"

"array"

"object"

"null" (since PHP 4.2.0)

return value

Returns TRUE if the setting is successful and FALSE if it fails.

Example

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

The output is:

 string(4) "5bar"bool(true)int(5)string(1) "1"