is_float

(PHP 4, PHP 5, PHP 7, PHP 8)

is_float — Finds whether the type of a variable is float

Description

is_float(mixed $value): bool

Finds whether the type of the given variable is float.

Note:

To test if a variable is a number or a numeric string (such as form input, which is always a string), you must use is_numeric().

Parameters

value

The variable being evaluated.

Return Values

Returns true if value is a float, false otherwise.

Examples

Example #1 is_float() example

var_dump(is_float(27.25));
var_dump(is_float('abc'));
var_dump(is_float(23));
var_dump(is_float(23.5));
var_dump(is_float(1e7));  //Scientific Notation
var_dump(is_float(true));
?>

The above example will output:

bool(true)
bool(false)
bool(false)
bool(true)
bool(true)
bool(false)

See Also

  • is_bool() - Finds out whether a variable is a boolean
  • is_int() - Find whether the type of a variable is integer
  • is_numeric() - Finds whether a variable is a number or a numeric string
  • is_string() - Find whether the type of a variable is string
  • is_array() - Finds whether a variable is an array
  • is_object() - Finds whether a variable is an object