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run code in 300+ PHP versions simultaneously
<?php function bar(iterable $opt = []){ var_dump($opt); } bar(); bar([0,1,2,3]); bar((function(){ yield from [0,1,2,3]; })());
Output for git.master, git.master_jit, rfc.property-hooks
array(0) { } array(4) { [0]=> int(0) [1]=> int(1) [2]=> int(2) [3]=> int(3) } object(Generator)#2 (0) { }

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