Location: PHPKode > projects > LayManSys > laymansys-0.4.0/lib/IniFile.php
<?php
/* $Id: IniFile.php,v 1.5 2006/08/30 22:00:58 robertbienert Exp $
 *
 * easy ini file access
 *
 * Copyright (C) 2005, 2006 Robert Bienert
 * <robertbienert at sourceforge dot net>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
 */

/* easy ini file access
 *
 * This class maps a ini file into memory and provides a simple access
 * to the file.
 */
class IniFile {
	var $ini;	// the array containing our key-value pairs
	var $file;	// a filename for loading and saving

	// constructor
	function IniFile(& $file) {
		$this->setFile($file);
		$this->ini = @parse_ini_file($this->file);
	}

	// checks if the following key exists
	function hasKey($key) {
		return @array_key_exists($key, $this->ini);
	}

	// returns the value for key
	function value($key, $def = FALSE) {
		return ($this->hasKey($key)) ? $this->ini[$key] : $def;
	}

	// sets a key-value pair
	function setValue($key, $value) {
		$this->ini[$key] = $value;
	}

	// sets a new filename for writing
	function setFile($file) {
		$this->file = $file;
	}

	// saves the file
	function save($file = FALSE) {
		if ($file !== FALSE)
			$this->setFile($file);

		if (! ($fh = @fopen($this->file, 'wb')))
			return FALSE;

		foreach ($this->ini as $key => $val)
			if (@fwrite($fh, "$key=$val\n") === FALSE)
				return FALSE;

		return @fclose($fh) == TRUE;
	}
}
?>
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