(PHP 4, PHP 5, PHP 7, PHP 8)
is_float — Finds whether the type of a variable is float
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().
value
The variable being evaluated.
Example #1 is_float() example
<?phpvar_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 Notationvar_dump(is_float(true));?>
The above example will output:
bool(true) bool(false) bool(false) bool(true) bool(true) bool(false)