Php/docs/class.splstring
来自菜鸟教程
(PECL spl_types >= 0.1.0)
简介
The SplString class is used to enforce strong typing of the string type.
类摘要
SplString extends SplType {
const
string
__default
=
/* 继承的方法 */
SplType::__construct
([ mixed $initial_value
[, bool $strict
]] )
}
预定义常量
SplString::__default
范例
Example #1 SplString usage example
<?php$string = new SplString("Testing");try { $string = array();} catch (UnexpectedValueException $uve) { echo $uve->getMessage() . PHP_EOL;}var_dump($string);echo $string; // Outputs "Testing"?>
以上例程会输出:
Value not a string object(SplString)#1 (1) { ["__default"]=> string(7) "Testing" } Testing
/* Constants */