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run code in 300+ PHP versions simultaneously
<?phpfunction &f() {    $x = "foo";    var_dump($x);    print "$x\n";    return($a);}for ($i = 0; $i < 3; $i++) {    $h = &f();}?>
Output for git.master, git.master_jit, rfc.property-hooks
<?phpfunction &f() {    $x = "foo";    var_dump($x);    print "$x\n";    return($a);}for ($i = 0; $i < 3; $i++) {    $h = &f();}?>

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