(PHP 8 >= 8.4.0)
ReflectionGenerator::isClosed — Checks if execution finished
Returns whether the execution reached the end of the function, a return statement or if an exception was thrown.
此函数没有参数。
Returns whether the generator finished executing.
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)