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run code in 300+ PHP versions simultaneously
<?php class Test { public function a($buffer) { var_dump($buffer); return $buffer; } public function b($buffer) { var_dump($buffer); return $buffer; } } $test = new Test(); ob_start(array($test, 'a')); ob_start(array($test, 'b')); echo ' 2 '; ob_end_flush(); echoa(); ob_end_flush();

preferences:
35.25 ms | 402 KiB | 5 Q