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is_float

Finds whether the type of a variable is float (PHP 4, PHP 5)
bool is_float ( mixed var )

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

var

The variable being evaluated.

Return Values

Returns TRUE if var is a float, FALSE otherwise.

Examples

Example 2591. is_float() example

<?php
if(is_float(27.25)) {
echo
"is float\n";
}else {
echo
"is not float\n";
}
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:

is float
bool(false)
bool(false)
bool(true)
bool(true)
bool(false)