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run code in 300+ PHP versions simultaneously
<?php $sql = "select #, count(*) from rateexport where rateexport.`block # rate` > 0" . PHP_EOL; for ($x = 0; $x < 31; $x++) { echo str_replace("#", $x, $sql); }

preferences:
17.19 ms | 406 KiB | 6 Q