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Title : Array search function
Categories : Arrays, PHP Update Picture
David Bettis
Date : Sep 24th 1999
Grade : 3 of 5 (graded 8 times)
Viewed : 36024
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Images : No Images for this code example.
Search : More code by David Bettis
Action : Grade This Code Example
Tools : My Examples List
Code

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/* F_SearchArr
* Search for $item in $arr.
* Return -1 if nothing, location in $arr if so.
*
* Copyright (C) 1999 David W. Bettis
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/

function F_SearchArr($arr, $item)
{
$result = -1;

for ($i = 0; $i < count($arr); $i++) {
if (strcmp($arr[$i], $item) == 0) {
$result = $i;
}
}

return($result);
}



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User Comments
 Fredrik Kjell wrote : 294
Should U worry about creating some nice code instead 
of protecting already know knowledge? 		 
 Franz Prilmeier wrote : 397
Wouldnt it be better to return true, if item has been found 
in the array? That way, the search would perform faster. 		 
 Faro Rasyid wrote :613
this code is quite useful for php3 user...
and Prilmeier Franz is right, it`s better to 
return a boolean value