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Groups > comp.lang.php > #11844

Re: searching an array

From Denis McMahon <denismfmcmahon@gmail.com>
Newsgroups comp.lang.php
Subject Re: searching an array
Date 2013-11-18 18:23 +0000
Organization A noiseless patient Spider
Message-ID <l6dlv7$5ba$3@dont-email.me> (permalink)
References <1r19n2u8ujc0e$.kh04fdyfhu79$.dlg@40tude.net>

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On Sun, 17 Nov 2013 22:37:44 -0500, richard wrote:

> $flip2=array_search($flip,$six0);
> 
> if ($flip2=null){echo "does not exist";}
> 
> How do I properly code it so that when a match is not found?
> Neither null or "" seems to work.

TL;DR: RTFM!

You read the php manual for the search function which you're using and 
take very careful note of the value returned when the needle item is not 
found in the haystack item. Then you test for that value.

Instead of testing for some random value that enters your head.

-- 
Denis McMahon, denismfmcmahon@gmail.com

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Thread

searching an array richard <noreply@example.com> - 2013-11-17 22:37 -0500
  Re: searching an array Richard Yates <richard@yatesguitar.com> - 2013-11-17 20:57 -0800
    Re: searching an array richard <noreply@example.com> - 2013-11-18 00:28 -0500
  Re: searching an array David Robley <me@home.invalid> - 2013-11-18 21:57 +1030
    Re: searching an array Jerry Stuckle <jstucklex@attglobal.net> - 2013-11-18 11:38 -0500
      Re: searching an array Denis McMahon <denismfmcmahon@gmail.com> - 2013-11-18 18:24 +0000
  Re: searching an array Denis McMahon <denismfmcmahon@gmail.com> - 2013-11-18 18:23 +0000

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