is_float

Finds whether the type of a variable is float

Description

bool is_float(mixed $value)

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

<?php

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
  • is_int
  • is_numeric
  • is_string
  • is_array
  • is_object