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run code in 300+ PHP versions simultaneously
<?php class ValueEncoder { public function encode($value) { $result = urlencode($value); return $result; } } class ValueDecoder { public function decode($value) { $result = urldecode($value); return $result; } } class RefEncoder { public function encode(&$value) { $value = urlencode($value); } } class RefDecoder { public function decode(&$value) { $value = urldecode($value); } } function genData() { return str_repeat('test', 2000000); } function valueTranscode() { $data = genData(); $encoder = new ValueEncoder(); $decoder = new ValueDecoder(); $data = $encoder->encode($data); $data = $decoder->decode($data); $data = strlen($data); } function refTranscode() { $data = genData(); $encoder = new RefEncoder(); $decoder = new RefDecoder(); $encoder->encode($data); $decoder->decode($data); $data = strlen($data); } $isRef = isset($argv[1]) && 'ref' === $argv[1]; echo ($isRef ? 'Ref: ' : 'Value: '); $s = microtime(true); for ($i = 0; $i < 20; ++$i) { if ($isRef) { refTranscode(); } else { valueTranscode(); } } $d = microtime(true) - $s; echo number_format($d, 2) . ' s, '; #echo number_format(memory_get_peak_usage(true)/1000/1000,2) . ' MB'. PHP_EOL;

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