ns_queryexists

Overview

Check for a key in the query data that was part of the HTTP request

Syntax

ns_queryexists key

Description

ns_queryexists looks in the query data for the specified key. If the key exists, 1 is returned; otherwise 0 is returned. The key is interpreted in a case insensitive manner.

Example

    ns_register_proc POST /queryexiststest queryexiststest
    proc queryexiststest { } {
        if [ns_queryexists name] {
            # process the form
        } else {
            ns_returnerror 400 "need to supply your name in the form"
        }
    } ;# queryexiststest

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