settype | Functions | PHP

Set the type of a variable

Syntax

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

var

The variable being converted.

type

Possibles values of type are:

"boolean" or "bool"

"integer" or "int"

"float" or "double"

"string"

"array"

"object"

"null"

Returns TRUE on success or FALSE on failure.

<?

$var = false;

var_dump($var);

$type = "integer";

settype($var, $type);

var_dump($var);

?>

bool(false)
int(0)

<?

$var = 0;

var_dump($var);

$type = "boolean";

settype($var, $type);

var_dump($var);

?>

int(0)
bool(false)

<?

$var = 0;

var_dump($var);

$type = "float";

settype($var, $type);

var_dump($var);

?>

int(0)
float(0)

<?

$var = 0.0;

var_dump($var);

$type = "integer";

settype($var, $type);

var_dump($var);

?>

float(0)
int(0)

<?

$var = 0.0;

var_dump($var);

$type = "string";

settype($var, $type);

var_dump($var);

?>

float(0)
string(1) "0"

<?

$var = "0.0";

var_dump($var);

$type = "float";

settype($var, $type);

var_dump($var);

?>

string(3) "0.0"
float(0)