| files >> /php-7.1.11/Zend/tests/generators/ |
| files >> //php-7.1.11/Zend/tests/generators/fibonacci.phpt |
--TEST--
Creating an infinite fibonacci list using a generator
--FILE--
<?php
function fib() {
list($a, $b) = [1, 1];
while (true) {
yield $b;
list($a, $b) = [$b, $a + $b];
}
}
foreach (fib() as $n) {
if ($n > 1000) break;
var_dump($n);
}
?>
--EXPECT--
int(1)
int(2)
int(3)
int(5)
int(8)
int(13)
int(21)
int(34)
int(55)
int(89)
int(144)
int(233)
int(377)
int(610)
int(987)
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