3v4l.org

run code in 500+ PHP versions simultaneously
<?php $g = function (): Generator { yield from [1,2,3,4]; }; foreach($g() as $h) { print "h:$h - "; foreach($g() as $i) { echo "i:$i + "; break 1; } }
Output for git.master_jit, git.master
h:1 - i:1 + h:2 - i:1 + h:3 - i:1 + h:4 - i:1 +

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