文字
生成器类
(No version information available, might only be in Git)
简介
Generator 是从 generators返回的.
Caution
Generator 对象不能通过 new 实例化.
类摘要
Generator implements
Iterator
{
public mixed current
( void
)
public mixed key
( void
)
public void next
( void
)
public void rewind
( void
)
public mixed send
( mixed
$value
) public void throw
( Exception
$exception
) public bool valid
( void
)
public void __wakeup
( void
)
}Table of Contents
- Generator::current — 返回当前产生的值
- Generator::key — 返回当前产生的键
- Generator::next — 生成器继续执行
- Generator::rewind — 重置迭代器
- Generator::send — 向生成器中传入一个值
- Generator::throw — 向生成器中抛入一个异常
- Generator::valid — 检查迭代器是否被关闭
- Generator::__wakeup — 序列化回调
用户评论:
[#1] dejiakala at gmail dot com [2014-10-06 04:18:12]
<?php
function sayHello($people) {
foreach($people as $person) {
yield "hello " . $person;
}
}
var_dump(sayHello(array('foo', 'bar', 'baz')));
?>
Output:
class Generator#1 (0) {
}