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run code in 300+ PHP versions simultaneously
<?php if (($ver = phpversion()) != '5.5.0beta4') die($ver); function getArticle () { $article = (yield "Article 1"); yield $article; } function fce() { return 150; } $d = getArticle(); foreach ($d as $key => $val) { echo "$key: $val"; }

preferences:
28.05 ms | 402 KiB | 5 Q