PHP Tutorial - PHP is_float() function

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
$values = array(2, "2", 2.5, "2.5", null, true);
foreach ($values as $value) {
    echo "is_float(";
    var_export($value);
    echo ") = ";
    var_dump(is_float($value));
}
?>

The code above generates the following result.