<?php

function a(){

for($i=1;$i<=100;$i++){
    yield $i;
}


}

function z(){
return a();
}
 $x = a();
foreach($x as $v){
   echo $v . "\n";
   break;
}

foreach($x as $v){
   echo $v ."\n";
   break;
}

$x = a();
foreach($x as $v){
   echo $v . "\n";

   if($v%6==0){
      break;
   }
}
$z= z();
foreach($z as $v){
   echo $v . "\n";
   if($v%3==0){
   break;
  }
}