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<?php $data = '0x8000000'; $data = substr($data, 2); //remove the 0x prefix from the string $data = str_replace(' ', '', $data); //remove the spaces from the string //$data is now '11210031' $number = hexdec($data); //convert the hexadecimal number to an integer //$number is now 0x11210031 (hexadecimal) = 287375409 (decimal) $nibble1 = ($number >> 28) & 0xF; //shift the number right by 28 bits (each nibble is 4 bits) and select only the last 4 bits (0xF selects all bits in the last nibble) echo "the product number is $nibble1\n"; $nibble2 = ($number >> 24) & 0xF; if ($nibble2 == 1) { echo "this is a new product\n"; } else if ($nibble2 == 2) { echo "this is a used product\n"; }

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)