C4::Input - Miscellaneous sanity checks
use C4::Input;
This module provides functions to see whether a given library card number or ISBN is valid.
$valid = &checkdigit($cardnumber $nounique);
Takes a card number, computes its check digit, and compares it to the checkdigit at the end of $cardnumber. Returns a true value iff $cardnumber has a valid check digit.
$CGIScrollingList = &buildCGISort($name string, $input_name string);
Returns the scrolling list with name $input_name, built on authorised Values named $name. Returns NULL if no authorised values found
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