<?
	/*
		array.php
		
		Array-handling function library

		Copyright (C) 2000, 2001 Jeff Teunissen <deek@quakeforge.net>

		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:

		Free Software Foundation, Inc.
		59 Temple Place - Suite 330
		Boston, MA  02111-1307, USA.
	*/
	define ('_ARRAY_', 1);

	/*
		inArray
		
		Search an array for data
	*/
	function inArray ($needle, $haystack)
	{
		$found = false;

		for ($ptr = 0; $ptr < count ($haystack); $ptr++) {
			if ($haystack[$ptr] == $needle) {
				$found = true;
			}
		}
		return $found;
	}
	
	/*
		addToArray
		
		Add an element to an array
	*/
	function addToArray ($var, &$arr)
	{
		if (!inArray ($var, $arr)) {
			if (isset ($arr)) {
				$arr[count ($arr)] = $var;
			} else {
				$arr = array ($var);
			}
		}
	}

	addToArray ('array', $has);
	addToArray ('array', $needs);
?>