Re: not "autovivification", but ...?

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From	Thomas 'PointedEars' Lahn <PointedEars@web.de>
Newsgroups	comp.lang.javascript, comp.lang.php
Subject	Re: not "autovivification", but ...?
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Date	Thu, 02 Jun 2016 02:16:42 +0200
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Cross-posted to 2 groups.

Followups directed to: comp.lang.php

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Stefan Weiss wrote:

> PS, a little off-topic: PHP is probably the worst language to work with in
> this regard. It will happily allow implicit multi-level creation in arrays
> -
> 
>    // ($foo is unused up to this point)
>    $foo["bar"][13]["baz"] = "qux";

This is so very useful. (No sarcasm.)
 
> - but will emit E_NOTICE (a type of error)

A common misonception.  It is a kind of debug message instead and can be 
suppressed in various ways.

> if we try to read a nonexistent index ($foo["x"]).
                                  ^^^^^
The proper term is _key_, and if you write

  @$foo["x"]

the notice will go away without any extra configuration.

F'up2 comp.lang.php

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Thread

Re: not "autovivification", but ...? Stefan Weiss <krewecherl@gmail.com> - 2016-05-31 14:38 +0200
  Re: not "autovivification", but ...? "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2016-06-01 08:03 -0700
    Re: not "autovivification", but ...? Stefan Weiss <krewecherl@gmail.com> - 2016-06-01 19:49 +0200
      Re: not "autovivification", but ...? "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2016-06-01 14:29 -0700
        Re: not "autovivification", but ...? Stefan Weiss <krewecherl@gmail.com> - 2016-06-02 01:29 +0200
          Re: not "autovivification", but ...? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-06-02 02:16 +0200
            Re: not "autovivification", but ...? Stefan Weiss <krewecherl@gmail.com> - 2016-06-02 13:20 +0200
          Re: not "autovivification", but ...? "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2016-06-02 15:51 -0700

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