php教程

Generator::current

(PHP 5 >= 5.5.0, PHP 7)

Generator::current返回当前产生的值

说明

public Generator::current ( void ) : mixed

参数

此函数没有参数。

返回值

返回当前产生的值。

User Contributed Notes

mrsoftware73 at gmail dot com 30-Jan-2018 10:48
<?php
function gen_one_to_three() {
    for (
$i = 1; $i <= 3; $i++) {
       
// Note that $i is preserved between yields.
       
yield $i;
    }
}

$generator = gen_one_to_three();
foreach (
$generator as $value) {
    echo
"regular : ".$value , PHP_EOL;
    echo
"With current function : ".$generator->current(),PHP_EOL;
}
?>

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