PHP is_float() function
Description
is_float(value) tells if a value is a float.
Syntax
is_float(value)
Parameter
- value is the variable being type checked.
Return
PHP is_float() function returns true if value is a float.
Example
Is it a float type variable?
<?php/* www. j ava 2s. c o m*/
$values = array(2, "2", 2.5, "2.5", null, true);
foreach ($values as $value) {
echo "is_float(";
var_export($value);
echo ") = ";
var_dump(is_float($value));
}
?>
The code above generates the following result.