php-8.0.30-src/Zend/tests/generators/generator_with_keys.phpt

27 lines
395 B
PHP

--TEST--
Generators can also yield keys
--FILE--
<?php
function reverse(array $array) {
end($array);
while (null !== $key = key($array)) {
yield $key => current($array);
prev($array);
}
}
$array = [
'foo' => 'bar',
'bar' => 'foo',
];
foreach (reverse($array) as $key => $value) {
echo $key, ' => ', $value, "\n";
}
?>
--EXPECT--
bar => foo
foo => bar