[ Version ( since = "2.10" ) ]
public double get_double_with_default (string key, double def)
Returns the floating point number represented by the value that is associated with key, or default_val if the
value does not represent a floating point number.
Floating point numbers are parsed with ascii_strtod.
| this | |
| key |
a key |
| def |
the default value |
|
the floating point number associated with |