- var_dump: documentation ( source)
<?php
function g1() {
yield 1;
yield 2;
}
function g2($g1) {
yield 0;
yield from $g1;
echo "!\n";
yield 3;
}
$g1 = g1();
$g2 = g2($g1);
$g2->next();
while ($g2->valid()) {
var_dump($g2->current());
$g1->next();
}
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