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Filter

Attach an automatic filter to a variable.

Synopsis

Filter  varname  "filtername [filternames...]"

You can set filters for multiple variables at once by using the Perl-style "here document" syntax, as follows:

Filter  <<EOF
    varname1  filter1
    varname2  "filter1 filter2"
EOF

Scope

This directive is only available for use in the local (catalog.cfg) configuration file.  It will not affect any other website in any way.  This directive will not work in the global (interchange.cfg) configuration file. 

Description

This directive attaches one or more filters to a form value name.  The filters will be automatically applied, in sequence, whenever a form is posted with the named variable.

Of course you could just as easily use the [filter] tag, in one or more pages, if the filter is only going to be used in a small number of places.

Note

Note

If more than one filter is specified for a variable then the filter list must be enclosed with quotes.

Example

As an example, multiple form variable submissions on the same page come back NULL-separated ("value1\0value2\0value3").  To automatically change those NULLs to spaces, you could use the following:

Filter  variable_name  null_to_space

See also

Category:  Local config directives
Last modified by: Kevin Walsh
Modification date: Thursday 12 July 2007 at 10:33 AM (EDT)
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