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Rechercher une fonction PHP

is_float

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(PHP 4, PHP 5, PHP 7)

is_float — Finds whether the type of a variable is float

Description

is_float ( mixed $var ) : 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().

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Parameters

var

The variable being evaluated.

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Return Values

Returns TRUE if var is a float, FALSE otherwise.

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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)

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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

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Document created the 30/01/2003, last modified the 26/10/2018
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References

  1. View the html document Language of the document:fr Manuel PHP : http://php.net

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