PHP读取配置文件类(php,ini,yaml,xml)
2012-12-13 01:41
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<?php
class Settings {
var $_settings = array ();
function get($var) {
$var = explode ( '.', $var );
$result = $this->_settings;
foreach ( $var as $key ) {
if (! isset ( $result [$key] )) {
return false;
}
$result = $result [$key];
}
return $result;
}
function load() {
trigger_error ( 'Not yet implemented', E_USER_ERROR );
}
}
class Settings_PHP extends Settings {
function load($file) {
if (file_exists ( $file ) == false) {
return false;
}
// Include file
include ($file);
unset ( $file );
// Get declared variables
$vars = get_defined_vars ();
// Add to settings array
foreach ( $vars as $key => $val ) {
if ($key == 'this')
continue;
$this->_settings [$key] = $val;
}
}
}
class Settings_INI extends Settings {
function load($file) {
if (file_exists ( $file ) == false) {
return false;
}
$this->_settings = parse_ini_file ( $file, true );
}
}
class Settings_YAML extends Settings {
function load($file) {
if (file_exists ( $file ) == false) {
return false;
}
include ('spyc.php');
$this->_settings = Spyc::YAMLLoad ( $file );
}
}
class Settings_XML extends Settings {
function load($file) {
if (file_exists ( $file ) == false) {
return false;
}
include ('xmllib.php');
$xml = file_get_contents ( $file );
$data = XML_unserialize ( $xml );
$this->_settings = $data ['settings'];
}
}
?>
php
/**
* 针对PHP的配置,如有配置文件
*config.php
<?php
$db = array();
// Enter your database name here:
$db['name'] = 'test';
// Enter the hostname of your MySQL server:
$db['host'] = 'localhost';
?>
//具体调用:
include ('settings.php'); //原始环境假设每个类为单独的一个类名.php文件
// Load settings (PHP)
$settings = new Settings_PHP;
$settings->load('config.php');
echo 'PHP: ' . $settings->get('db.host') . '';
*
*/
读取INI文件,主要用到parser_ini_file函数,该函数返回一个数组,如第二个参数为true时则返回多维数组
/**
* ini例子:config.ini
*
[db]
name = test
host = localhost
//调用例子:
$settings = new Settings_INI;
$settings->load('config.ini');
echo 'INI: ' . $settings->get('db.host') . '';
*/
读取XML文件,需要用到XML_PARSER,xmllib.php在http://hudeyong926.iteye.com/admin/blogs/836048
/**
* XML例子:config.xml
<?xml version="1.0" encoding="UTF-8"?>
<settings>
<db>
<name>test</name>
<host>localhost</host>
</db>
</settings>
// Load settings (XML)
$settings = New Settings_XML;
$settings->load('config.xml');
echo 'XML: ' . $settings->get('db.host') . '';
*
*/
读取YAML格式文件,使用YAML必须使用到SPYC这个库,相关链接在http://spyc.sourceforge.net/
/**
YAML配置例子:config.yaml
db:
name: test
host: localhost
// Load settings (YAML)
$settings = New Settings_YAML;
$settings->load('config.yaml');
echo 'YAML: ' . $settings->get('db.host') . '';
*/
1。ini有点过时??
2。xml比较好,
3。yaml很好,但是毕竟没有标准化。
4。txt要自己组织格式,开放性不好。
5。类序列化。比较好,但是不熟悉的人使用比较麻烦!
6。php定义常量(你不用修改数据吗?)
所以:xml最好。
class Settings {
var $_settings = array ();
function get($var) {
$var = explode ( '.', $var );
$result = $this->_settings;
foreach ( $var as $key ) {
if (! isset ( $result [$key] )) {
return false;
}
$result = $result [$key];
}
return $result;
}
function load() {
trigger_error ( 'Not yet implemented', E_USER_ERROR );
}
}
class Settings_PHP extends Settings {
function load($file) {
if (file_exists ( $file ) == false) {
return false;
}
// Include file
include ($file);
unset ( $file );
// Get declared variables
$vars = get_defined_vars ();
// Add to settings array
foreach ( $vars as $key => $val ) {
if ($key == 'this')
continue;
$this->_settings [$key] = $val;
}
}
}
class Settings_INI extends Settings {
function load($file) {
if (file_exists ( $file ) == false) {
return false;
}
$this->_settings = parse_ini_file ( $file, true );
}
}
class Settings_YAML extends Settings {
function load($file) {
if (file_exists ( $file ) == false) {
return false;
}
include ('spyc.php');
$this->_settings = Spyc::YAMLLoad ( $file );
}
}
class Settings_XML extends Settings {
function load($file) {
if (file_exists ( $file ) == false) {
return false;
}
include ('xmllib.php');
$xml = file_get_contents ( $file );
$data = XML_unserialize ( $xml );
$this->_settings = $data ['settings'];
}
}
?>
<?php class Settings { var $_settings = array (); function get($var) { $var = explode ( '.', $var ); $result = $this->_settings; foreach ( $var as $key ) { if (! isset ( $result [$key] )) { return false; } $result = $result [$key]; } return $result; } function load() { trigger_error ( 'Not yet implemented', E_USER_ERROR ); } } class Settings_PHP extends Settings { function load($file) { if (file_exists ( $file ) == false) { return false; } // Include file include ($file); unset ( $file ); // Get declared variables $vars = get_defined_vars (); // Add to settings array foreach ( $vars as $key => $val ) { if ($key == 'this') continue; $this->_settings [$key] = $val; } } } class Settings_INI extends Settings { function load($file) { if (file_exists ( $file ) == false) { return false; } $this->_settings = parse_ini_file ( $file, true ); } } class Settings_YAML extends Settings { function load($file) { if (file_exists ( $file ) == false) { return false; } include ('spyc.php'); $this->_settings = Spyc::YAMLLoad ( $file ); } } class Settings_XML extends Settings { function load($file) { if (file_exists ( $file ) == false) { return false; } include ('xmllib.php'); $xml = file_get_contents ( $file ); $data = XML_unserialize ( $xml ); $this->_settings = $data ['settings']; } } ?>
php
/**
* 针对PHP的配置,如有配置文件
*config.php
<?php
$db = array();
// Enter your database name here:
$db['name'] = 'test';
// Enter the hostname of your MySQL server:
$db['host'] = 'localhost';
?>
//具体调用:
include ('settings.php'); //原始环境假设每个类为单独的一个类名.php文件
// Load settings (PHP)
$settings = new Settings_PHP;
$settings->load('config.php');
echo 'PHP: ' . $settings->get('db.host') . '';
*
*/
/** * 针对PHP的配置,如有配置文件 *config.php <?php $db = array(); // Enter your database name here: $db['name'] = 'test'; // Enter the hostname of your MySQL server: $db['host'] = 'localhost'; ?> //具体调用: include ('settings.php'); //原始环境假设每个类为单独的一个类名.php文件 // Load settings (PHP) $settings = new Settings_PHP; $settings->load('config.php'); echo 'PHP: ' . $settings->get('db.host') . ''; * */
读取INI文件,主要用到parser_ini_file函数,该函数返回一个数组,如第二个参数为true时则返回多维数组
/**
* ini例子:config.ini
*
[db]
name = test
host = localhost
//调用例子:
$settings = new Settings_INI;
$settings->load('config.ini');
echo 'INI: ' . $settings->get('db.host') . '';
*/
/** * ini例子:config.ini * [db] name = test host = localhost //调用例子: $settings = new Settings_INI; $settings->load('config.ini'); echo 'INI: ' . $settings->get('db.host') . ''; */
读取XML文件,需要用到XML_PARSER,xmllib.php在http://hudeyong926.iteye.com/admin/blogs/836048
/**
* XML例子:config.xml
<?xml version="1.0" encoding="UTF-8"?>
<settings>
<db>
<name>test</name>
<host>localhost</host>
</db>
</settings>
// Load settings (XML)
$settings = New Settings_XML;
$settings->load('config.xml');
echo 'XML: ' . $settings->get('db.host') . '';
*
*/
/** * XML例子:config.xml <?xml version="1.0" encoding="UTF-8"?> <settings> <db> <name>test</name> <host>localhost</host> </db> </settings> // Load settings (XML) $settings = New Settings_XML; $settings->load('config.xml'); echo 'XML: ' . $settings->get('db.host') . ''; * */
读取YAML格式文件,使用YAML必须使用到SPYC这个库,相关链接在http://spyc.sourceforge.net/
/**
YAML配置例子:config.yaml
db:
name: test
host: localhost
// Load settings (YAML)
$settings = New Settings_YAML;
$settings->load('config.yaml');
echo 'YAML: ' . $settings->get('db.host') . '';
*/
/** YAML配置例子:config.yaml db: name: test host: localhost // Load settings (YAML) $settings = New Settings_YAML; $settings->load('config.yaml'); echo 'YAML: ' . $settings->get('db.host') . ''; */
1。ini有点过时??
2。xml比较好,
3。yaml很好,但是毕竟没有标准化。
4。txt要自己组织格式,开放性不好。
5。类序列化。比较好,但是不熟悉的人使用比较麻烦!
6。php定义常量(你不用修改数据吗?)
所以:xml最好。
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