===== From/In range ======

==== from( value, range ) ==== 

Check if the ''value'' is between 0 and the ''range''.

=== Description ===

<code>from( value, range )</code>

This function is commonly used with the time() function to evaluate a time range.

=== Parameters ===

| ''value'' | Value to evaluate |
| ''range'' | Range to compare to |

=== Return value ===

If the ''value'' is negative or larger than ''range'' the from() function returns 0.
Otherwise the function returns the difference between ''range'' and ''value''.

=== Example usage ===

<code>from(35, 40)  // returns 5 (=40-35)

from(42, 40)  // returns 0

from(-4, 40)  // returns 0

from(time(17,00), 30)   // Will return a positive number between 17:00 and 17:29 (inclusive). Otherwise returns 0.
</code>