php自定义配置文件的读取
自定义配置文件config.php
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return array(
'c_type' => 1,
'spage'=>array(
't'=>2,
),
)
访问形式 Util_Tool::config('config.spage.t') 获取t的值
/**
* 配置文件数组值的获取
* $host = Util_Tool::config('database.default.connection.hostname')
* @param $str string
* @param array
*
*/
public static function config($group){
static $config;
if (strpos($group, '.') !== FALSE)
{
// Split the config group and path
list ($group, $path) = explode('.', $group, 2);
}
//return $group;
$config = Zwp_Config::get_config($group);
if ( ! isset($config))
{
// Load the config group into the cache
$config = array();
}
if (isset($path))
{
return self::path($config, $path, NULL, '.');
}
else
{
return $config;
}
}
/**
* Gets a value from an array using a dot separated path.
*
* // Get the value of $array['foo']['bar']
* $value = Util_Tool::path($array, 'foo.bar');
*
* Using a wildcard "*" will search intermediate arrays and return an array.
*
* // Get the values of "color" in theme
* $colors = Util_Tool::path($array, 'theme.*.color');
*
* // Using an array of keys
* $colors = Util_Tool::path($array, array('theme', '*', 'color'));
*
* @param array array to search
* @param mixed key path string (delimiter separated) or array of keys
* @param mixed default value if the path is not set
* @param string key path delimiter
* @return mixed
*/
public static function path($array, $path, $default = NULL, $delimiter = NULL)
{
if (!is_array($array))
{
// This is not an array!
return $default;
}
if (is_array($path))
{
// The path has already been separated into keys
$keys = $path;
}
else
{
if (array_key_exists($path, $array))
{
// No need to do extra processing
return $array[$path];
}
if ($delimiter === NULL)
{
// Use the default delimiter
$delimiter = '.';
}
// Remove starting delimiters and spaces
$path = ltrim($path, "{$delimiter} ");
// Remove ending delimiters, spaces, and wildcards
$path = rtrim($path, "{$delimiter} *");
// Split the keys by delimiter
$keys = explode($delimiter, $path);
}
do
{
$key = array_shift($keys);
if (ctype_digit($key))
{
// Make the key an integer
$key = (int) $key;
}
if (isset($array[$key]))
{
if ($keys)
{
if (is_array($array[$key]))
{
// Dig down into the next part of the path
$array = $array[$key];
}
else
{
// Unable to dig deeper
break;
}
}
else
{
// Found the path requested
return $array[$key];
}
}
elseif ($key === '*')
{
// Handle wildcards
$values = array();
foreach ($array as $arr)
{
if ($value = self::path($arr, implode('.', $keys)))
{
$values[] = $value;
}
}
if ($values)
{
// Found the values requested
return $values;
}
else
{
// Unable to dig deeper
break;
}
}
else
{
// Unable to dig deeper
break;
}
}
while ($keys);
// Unable to find the value requested
return $default;
}
/**
* 获取配置文件的值
* @copyright liwan 2013-10-06
* @param $key 标识config文件名 配置文件里统一使用return array的形式
*/
public static function get_config($key)
{
static $new_config;
if (isset($new_config[$key])) return $new_config[$key];
if (is_file(CONFIG_DIR . '/' . $key . '.php')) {
$new_config[$key] = require CONFIG_DIR . '/' . $key . '.php';
} else return false;
return $new_config[$key];
}
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