mappings / filter_mapping

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NAME

filter_mapping()  -  remove some elements of a mapping based on a func‐
tion

SYNOPSIS

mapping filter_mapping( mapping map, string fun, object ob,
mixed extra, ... );
mapping map_mapping( mapping map, function f, mixed extra, ... );

DESCRIPTION

Returns an mapping with the same keys as  map  whose  items  have  been
mapped  throught  'ob->fun()'  or 'f'.  The function is called for each
element in 'arr' and the return value is put back in that spot in after
the item.

SEE ALSO

filter_array(3), sort_array(3), map(3)