se/SE/se-lib/Core/Config/INI.php

<?php


class Core_Config_INI {


var $_config_file;
var $_data;


function __construct( $config_file ) {
	$this->_config_file = $config_file;
	$this->_data = null;
}


/**
 * @return an associative array on success, and FALSE on failure.
 */
function &getData() {
	if ($this->_data === null) {// @see __construct()
		if (!file_exists($this->_config_file)) {
			$this->_data = false;
			trigger_error('config file not exists', E_USER_WARNING);
		} else {
			$this->_data = parse_ini_file( $this->_config_file, true );// @return false if error
		}
	}
	return $this->_data;
}


function get( $key, $section = null ) {
	$_data = $this->getData();
	if ($_data == false) {
		return false;
	}

	if (null != $section) {
		if (array_key_exists($section, $_data)) {
			if (array_key_exists($key, $_data[ $section ])) {
				return $_data[ $section ][ $key ];
			} else {
				trigger_error('config error: key('.$key.') not exists in section ('.$section.')', E_USER_NOTICE);
			}
		} else {
			trigger_error('config error: section not exists: ('.$section.')', E_USER_NOTICE);
		}
	}
	else {
		if (array_key_exists($key, $_data)) {
			return $_data[ $key ];
		} else {
			trigger_error('config error: key not exists ('.$key.')', E_USER_NOTICE);
		}
	}

	return false;
}


}//class