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is_float

PHP function Edit on GitHub ✎

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

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

is_float() example

php
<?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:

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

See Also

Source: reference/var/functions/is-float.xml · from the official PHP manual (php/doc-en)