<?php
function generator()
{
for($i = 0 ; $i <= 20 ; $i++)
{
yield $i;
}
}
$generator = generator();
$callback = function($value)
{
return !($value % 2);
};
foreach(new CallbackFilterIterator($generator , $callback) as $value)
{
echo $value."\n";
}
- Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
- 0
2
4
6
8
10
12
14
16
18
20
preferences:
155.56 ms | 408 KiB | 5 Q