Generator::send

(PHP 5 >= 5.5.0, PHP 7)

Generator::send — Send a value to the generator

Açıklama

public mixed Generator::send ( mixed $value )

Sends the given value to the generator as the result of the current yield expression and resumes execution of the generator.

If the generator is not at a yield expression when this method is called, it will first be let to advance to the first yield expression before sending the value. As such it is not necessary to "prime" PHP generators with a Generator::next() call (like it is done in Python).

Değiştirgeler

value: Value to send into the generator. This value will be the return value of the yield expression the generator is currently at.

Dönen Değerler

Returns the yielded value.

Örnekler

Örnek 1 Using Generator::send() to inject values


<?php
function printer() {
    echo "I'm printer!".PHP_EOL;
    while (true) {
        $string = yield;
        echo $string.PHP_EOL;
    }
}

$printer = printer();
$printer->send('Hello world!');
$printer->send('Bye world!');
?>

Yukarıdaki örneğin çıktısı:

I'm printer!
Hello world!
Bye world!