(PHP 4 >= 4.2.0)
Returns the float value of var.
Var may be any scalar type. You cannot use floatval() on arrays or objects.
<?php$var = '122.34343The';$float_value_of_var = floatval($var);echo $float_value_of_var; // prints 122.34343?>
See also intval(), strval(), settype() and Type juggling.
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