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run code in 300+ PHP versions simultaneously
<?php $content = <<<'EOF' Line 1 Line 2 Line 3 Line 4 EOF; $tmpCsvFile = new SplTempFileObject(); $tmpCsvFile->fwrite($content); $tmpCsvFile->setFlags(SplFileObject::READ_AHEAD); iterator_count($tmpCsvFile);

preferences:
39.73 ms | 402 KiB | 5 Q