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PHP读取配置文件类实例(可读取ini,yaml,xml等)

Jun 06, 2016 pm 07:51 PM
php read Configuration file

这篇文章主要介绍了PHP读取配置文件类,可读取ini,yaml,xml等配置文件,具有一定参考借鉴价值,需要的朋友可以参考下

本文实例讲述了PHP读取配置文件类实例。分享给大家供大家参考。具体如下:

_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']; } } ?>

/** * 针对PHP的配置,如有配置文件 *config.php //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 /** * XML例子:config.xml test localhost // 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 /** 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。

希望本文所述对大家的php程序设计有所帮助。

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