gistfile1.php

#!/usr/bin/php
<?php
function getFibonacci()
{
    $k = 0;
    while(true){
      $k++;
        $a = (yield $k);
        echo "yo" . $a . "\n";
    }
}

$y = 30000;



$it = getFibonacci();
foreach($it as $fibonacci)
{
    $it->send('gerrit'.$y);
    echo $fibonacci;
    echo $fibonacci . " henk \n";
    echo "hoi\n";
    $y++;
    if($y > 30030)
    {
        break; // infinite loop prevent
    }
}
?>