ReflectionGenerator::isClosed

(PHP 8 >= 8.4.0)

ReflectionGenerator::isClosed — Checks if execution finished

说明

public ReflectionGenerator::isClosed(): bool

Returns whether the execution reached the end of the function, a return statement or if an exception was thrown.

参数

此函数没有参数。

返回值

Returns whether the generator finished executing.

示例

示例 #1 ReflectionGenerator::isClosed() example

<?php

function gen()
{
    yield 'a';
    yield 'a';
}

$gen = gen();
$reflectionGen = new ReflectionGenerator($gen);

foreach ($gen as $value) {
    echo $value, PHP_EOL;
    var_dump($reflectionGen->isClosed());
}

var_dump($reflectionGen->isClosed());

?>

以上示例会输出：

a
bool(false)
a
bool(false)
bool(true)