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MivaScript Builtin Function, Miva Merchant 9+

Tag / Description

miva_member_exists( structure var, member )

<mvt:assign name="g.return_value" value="miva_member_exists( structure var, member )" />

Tests if a member exists where: "structure" is a data structure and "member" is the name of a structure member being tested. Returns 0 or 1.


  • structure var

    A data structure or structured array that is tested. It is passed by reference to the function.

  • member

    The literal member name or a variable that evaluates as the member name.

Return Values


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