NAME
map_mapping - map a mapping over a function

SYNOPSIS
mapping map_mapping(mapping m,string fun,object o,mixed extra)

DESCRIPTION
Map_mapping calls the function fun with every value in the mapping m as argument and constructs a new mapping the the return values from the function as values. If the optional extra argument is present it will be sent to the function as well as a second argument.

SEE ALSO
filter_mapping, map_array, filter_array