w3resource

PHP: settype() function

Description

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

Version:

(PHP 4 and above)

Syntax:

settype(var_name, var_type)

Parameters:

Name Description Required /
Optional		 Type
var_name The variable being converted. Required Mixed*
var_type Type of the variable. Possible values are : boolean, integer, float, string, array, object, null. Optional String

*Mixed: Mixed indicates that a parameter may accept multiple (but not necessarily all) types.

Return value:

TRUE on success or FALSE on failure.

Value Type: Boolean.

Example:

<?php
$var1='98';
$var2='01';
settype($var1, "integer");
settype($var2, "integer");
echo ($var1.'<br>');
echo ($var2.'<br>');
echo ($var1+$var2.'<br>');
?>

Output:

98
1
99

View the example in the browser

Practice here online :

See also

PHP Function Reference

Previous: serialize
Next: strval



PHP: Tips of the Day

Returns true if the given string is a palindrome, false otherwise

Example:

<?php
function tips_palindrome($string)
{
  return strrev($string) === (string) $string;
}

print(tips_palindrome('malayalam'));
print("\n");
print(tips_palindrome(151));

?>

Output:

1
1