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Asked: 2026-06-07T17:06:45+00:00

When you have optional arguments that can have different types, which value is most

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When you have optional arguments that can have different types, which value is most suited to point out that the argument should not be taken into consideration? False or Null?

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1 Answer

  1. Editorial Team

    For me this depends on what I’m going to do with the value of said argument…

    I am writing a database function where I can have default values as NULL

    function somedbfunc($id = NULL, $column1 = NULL)

    If these values are null my function may insert a blank record..

    If I need to stop my function because of a non argument I may use FALSE

    function blah($this = FALSE, $that = FALSE)
{
    if ( ! $this || ! $that)
    {
        return FALSE;
    ....

    So I am saying that both are totally valid, but it depends on the situation you find yourself in.

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