3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo sprintf("%x",getCrc16("\x08\x02\x00\x00\x01\x43\xEF\x3A", 0, 0xA001, 0)).'<br />'; function getCrc16($buffer, $offset, $polynom, $preset) { $preset &= 0xFFFF; $polynom &= 0xFFFF; $bufLen = strlen($buffer); $crc = $preset; for($i = 0; $i < $bufLen; $i++) { $data = $buffer[($i + $offset)%$bufLen] & 0xFF; $crc ^= $data; for ($j = 0; $j < 8; $j++) { if (($crc & 0x0001) != 0) { $crc = ($crc >> 1) ^ $polynom; } else { $crc = $crc >> 1; } } } return $crc & 0xFFFF; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: Unsupported operand types: string & int in /in/NdvR5:12 Stack trace: #0 /in/NdvR5(2): getCrc16('\x08\x02\x00\x00\x01C\xEF:', 0, 40961, 0) #1 {main} thrown in /in/NdvR5 on line 12
Process exited with code 255.
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: A non-numeric value encountered in /in/NdvR5 on line 12 Warning: A non-numeric value encountered in /in/NdvR5 on line 12 Warning: A non-numeric value encountered in /in/NdvR5 on line 12 Warning: A non-numeric value encountered in /in/NdvR5 on line 12 Warning: A non-numeric value encountered in /in/NdvR5 on line 12 Warning: A non-numeric value encountered in /in/NdvR5 on line 12 Warning: A non-numeric value encountered in /in/NdvR5 on line 12 Warning: A non-numeric value encountered in /in/NdvR5 on line 12 0<br />
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33
0<br />
preferences:
295.04 ms | 404 KiB | 424 Q