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Re: searching an array [message #183749 is a reply to message #183740]

Mon, 18 November 2013 11:27

David Robley
Messages: 23
Registered: March 2013

Karma:

Junior Member

richard wrote:

> I am now attempting to set up a display using a simple table.
> row 1 is headers.
> row 2 is for the main track title.
> row 3 is for the flipside.
>
> http://mroldies.net/list/decade60.html
>
> Many times the flipside was also charted.
> So I need to know what the corresponding number is for the flipside in
> order to show that information.
>
> from the "manual" I am using this:
>
> $flip=$six0[$track][1];
>
> $flip2=array_search($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.
>
> $six0=array(
> 1 => array("The Theme From \"A Summer Place\"","Go-Go-Po-Go","Columbia
> 4-41490","Percy Faith","Max Steiner","21","1","1/11/1960","1"),
> 2 => array("Are You Lonesome To-Night?","I Gotta Know*","RCA Victor
> 47-7810","Elvis Presley","Roy Turk Lou
> Handman","16","1","11/14/1960","2"), 3 => array("It's Now Or Never","A
> Mess Of Blues*","RCA Victor 47-7777","Elvis Presley","Aaron Schroeder
> Wally Gold","20","1","7/18/1960","3")
> )

Other(s) have mentioned the confusion of = and ==.

Seeing you are quoting the "manual" you may wish to refer to it again and
see what the return value of array_search is if a match is not found; it is
neither null or "". It might also be useful to review the warning under the
information on return values.

--
Cheers
David Robley

If I had anything witty to say, I wouldn't put it here.

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[Message index]

		searching an array By: Mr Oldies on Mon, 18 November 2013 03:37
		Re: searching an array By: Richard Yates on Mon, 18 November 2013 04:57
		Re: searching an array By: Mr Oldies on Mon, 18 November 2013 05:28
		Re: searching an array By: David Robley on Mon, 18 November 2013 11:27
		Re: searching an array By: Jerry Stuckle on Mon, 18 November 2013 16:38
		Re: searching an array By: Denis McMahon on Mon, 18 November 2013 18:24
		Re: searching an array By: Denis McMahon on Mon, 18 November 2013 18:23

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