(PHP 4 >= 4.2.0, PHP 5)
Gets the float value of var.
May be any scalar type. You cannot use floatval() on arrays or objects.
The float value of the given variable.
Пример 1. floatval() Example
<?php $var = '122.34343The' ; $float_value_of_var = floatval ( $var ); echo $float_value_of_var ; // 122.34343 ?>