3v4l.org

run code in 300+ PHP versions simultaneously
<?php $return = 0x080200000143EF3A; echo sprintf("%x",crc32($return)).'<br />'; echo sprintf("%x",CRC16($return)).'<br />'; function CRC16($str) { static $CRC16_Lookup = array( 0x0000, 0x4EAB, 0x9D56, 0xD3FD, 0x7407, 0x3AAC, 0xE951, 0xA7FA, 0xE80E, 0xA6A5, 0x7558, 0x3BF3, 0x9C09, 0xD2A2, 0x015F, 0x4FF4, 0x9EB7, 0xD01C, 0x03E1, 0x4D4A, 0xEAB0, 0xA41B, 0x77E6, 0x394D, 0x76B9, 0x3812, 0xEBEF, 0xA544, 0x02BE, 0x4C15, 0x9FE8, 0xD143, 0x73C5, 0x3D6E, 0xEE93, 0xA038, 0x07C2, 0x4969, 0x9A94, 0xD43F, 0x9BCB, 0xD560, 0x069D, 0x4836, 0xEFCC, 0xA167, 0x729A, 0x3C31, 0xED72, 0xA3D9, 0x7024, 0x3E8F, 0x9975, 0xD7DE, 0x0423, 0x4A88, 0x057C, 0x4BD7, 0x982A, 0xD681, 0x717B, 0x3FD0, 0xEC2D, 0xA286, 0xE78A, 0xA921, 0x7ADC, 0x3477, 0x938D, 0xDD26, 0x0EDB, 0x4070, 0x0F84, 0x412F, 0x92D2, 0xDC79, 0x7B83, 0x3528, 0xE6D5, 0xA87E, 0x793D, 0x3796, 0xE46B, 0xAAC0, 0x0D3A, 0x4391, 0x906C, 0xDEC7, 0x9133, 0xDF98, 0x0C65, 0x42CE, 0xE534, 0xAB9F, 0x7862, 0x36C9, 0x944F, 0xDAE4, 0x0919, 0x47B2, 0xE048, 0xAEE3, 0x7D1E, 0x33B5, 0x7C41, 0x32EA, 0xE117, 0xAFBC, 0x0846, 0x46ED, 0x9510, 0xDBBB, 0x0AF8, 0x4453, 0x97AE, 0xD905, 0x7EFF, 0x3054, 0xE3A9, 0xAD02, 0xE2F6, 0xAC5D, 0x7FA0, 0x310B, 0x96F1, 0xD85A, 0x0BA7, 0x450C, 0x81BF, 0xCF14, 0x1CE9, 0x5242, 0xF5B8, 0xBB13, 0x68EE, 0x2645, 0x69B1, 0x271A, 0xF4E7, 0xBA4C, 0x1DB6, 0x531D, 0x80E0, 0xCE4B, 0x1F08, 0x51A3, 0x825E, 0xCCF5, 0x6B0F, 0x25A4, 0xF659, 0xB8F2, 0xF706, 0xB9AD, 0x6A50, 0x24FB, 0x8301, 0xCDAA, 0x1E57, 0x50FC, 0xF27A, 0xBCD1, 0x6F2C, 0x2187, 0x867D, 0xC8D6, 0x1B2B, 0x5580, 0x1A74, 0x54DF, 0x8722, 0xC989, 0x6E73, 0x20D8, 0xF325, 0xBD8E, 0x6CCD, 0x2266, 0xF19B, 0xBF30, 0x18CA, 0x5661, 0x859C, 0xCB37, 0x84C3, 0xCA68, 0x1995, 0x573E, 0xF0C4, 0xBE6F, 0x6D92, 0x2339, 0x6635, 0x289E, 0xFB63, 0xB5C8, 0x1232, 0x5C99, 0x8F64, 0xC1CF, 0x8E3B, 0xC090, 0x136D, 0x5DC6, 0xFA3C, 0xB497, 0x676A, 0x29C1, 0xF882, 0xB629, 0x65D4, 0x2B7F, 0x8C85, 0xC22E, 0x11D3, 0x5F78, 0x108C, 0x5E27, 0x8DDA, 0xC371, 0x648B, 0x2A20, 0xF9DD, 0xB776, 0x15F0, 0x5B5B, 0x88A6, 0xC60D, 0x61F7, 0x2F5C, 0xFCA1, 0xB20A, 0xFDFE, 0xB355, 0x60A8, 0x2E03, 0x89F9, 0xC752, 0x14AF, 0x5A04, 0x8B47, 0xC5EC, 0x1611, 0x58BA, 0xFF40, 0xB1EB, 0x6216, 0x2CBD, 0x6349, 0x2DE2, 0xFE1F, 0xB0B4, 0x174E, 0x59E5, 0x8A18, 0xC4B3 ); $crc16 = 0xFFFF; // the CRC $len = strlen($str); for($i = 0; $i < $len; $i++ ) { $t = ($crc16 >> 8) ^ ord($str[$i]); // High byte Xor Message Byte to get index $crc16 = (($crc16 << 8) & 0xffff) ^ $CRC16_Lookup[$t]; // Update the CRC from table } // crc16 now contains the CRC value return $crc16; }

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)
8.3.60.0090.00618.43
8.3.50.0090.00922.04
8.3.40.0040.01118.79
8.3.30.0110.00320.34
8.3.20.0080.00020.41
8.3.10.0110.00721.92
8.3.00.0000.00822.31
8.2.180.0190.00016.63
8.2.170.0060.00922.96
8.2.160.0070.00722.14
8.2.150.0030.00624.18
8.2.140.0080.00024.66
8.2.130.0100.01026.16
8.2.120.0080.00019.95
8.2.110.0090.00022.20
8.2.100.0040.00817.91
8.2.90.0040.00422.16
8.2.80.0050.00517.97
8.2.70.0060.00318.03
8.2.60.0000.00818.17
8.2.50.0000.00818.10
8.2.40.0050.00318.22
8.2.30.0030.00818.14
8.2.20.0000.00817.81
8.2.10.0000.00817.83
8.2.00.0060.00317.90
8.1.280.0030.01225.92
8.1.270.0000.00724.66
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0070.01122.55
8.1.230.0040.00820.85
8.1.220.0040.00417.74
8.1.210.0030.00618.86
8.1.200.0080.00017.22
8.1.190.0030.00617.38
8.1.180.0050.00318.10
8.1.170.0040.00418.57
8.1.160.0000.00720.94
8.1.150.0040.00418.62
8.1.140.0030.00517.45
8.1.130.0000.00717.78
8.1.120.0070.00017.54
8.1.110.0030.00517.52
8.1.100.0000.00717.47
8.1.90.0000.00717.51
8.1.80.0060.00317.48
8.1.70.0030.00317.43
8.1.60.0030.00617.59
8.1.50.0030.00617.58
8.1.40.0030.00517.54
8.1.30.0040.00417.70
8.1.20.0030.00617.62
8.1.10.0040.00417.48
8.1.00.0090.00317.60
8.0.300.0040.00420.16
8.0.290.0050.00516.75
8.0.280.0070.00018.39
8.0.270.0030.00317.29
8.0.260.0050.00316.96
8.0.250.0000.00817.07
8.0.240.0060.00317.02
8.0.230.0040.00417.07
8.0.220.0070.00016.87
8.0.210.0030.00317.00
8.0.200.0030.00616.94
8.0.190.0070.00417.02
8.0.180.0000.00716.90
8.0.170.0030.00316.90
8.0.160.0000.00817.05
8.0.150.0030.00316.82
8.0.140.0040.00416.91
8.0.130.0060.00013.37
8.0.120.0030.00616.94
8.0.110.0070.00016.98
8.0.100.0060.00316.89
8.0.90.0040.00416.83
8.0.80.0100.00716.92
8.0.70.0000.00716.86
8.0.60.0030.00516.89
8.0.50.0050.00316.93
8.0.30.0130.01317.07
8.0.20.0080.01517.40
8.0.10.0050.00216.95
8.0.00.0150.00616.80
7.4.330.0050.00015.07
7.4.320.0030.00316.46
7.4.300.0000.00716.62
7.4.290.0000.00716.63
7.4.280.0030.00316.43
7.4.270.0030.00316.55
7.4.260.0030.00313.28
7.4.250.0040.00416.41
7.4.240.0020.00516.63
7.4.230.0070.00016.73
7.4.220.0070.01316.56
7.4.210.0070.00816.59
7.4.200.0030.00316.58
7.4.190.0000.00816.63
7.4.160.0030.01316.79
7.4.150.0120.01217.40
7.4.140.0090.01117.86
7.4.130.0130.00816.53
7.4.120.0090.01216.65
7.4.110.0120.00616.70
7.4.100.0170.00016.73
7.4.90.0130.00416.61
7.4.80.0040.01719.39
7.4.70.0140.00316.61
7.4.60.0130.00316.48
7.4.50.0000.00816.78
7.4.40.0000.01322.77
7.4.30.0110.01116.61
7.4.00.0070.01015.25
7.3.330.0000.00513.26
7.3.320.0000.00513.35
7.3.310.0050.00316.47
7.3.300.0030.00316.34
7.3.290.0070.01016.40
7.3.280.0090.01116.35
7.3.270.0100.00717.40
7.3.260.0060.01216.64
7.3.250.0070.01016.46
7.3.240.0170.00016.33
7.3.230.0060.01016.64
7.3.210.0080.00916.65
7.3.200.0040.02219.39
7.3.190.0090.01316.71
7.3.180.0100.00716.40
7.3.170.0040.01116.58
7.3.160.0130.00316.69
7.3.120.0030.01315.10
7.2.330.0060.01116.60
7.2.320.0060.01016.79
7.2.310.0130.00316.42
7.2.300.0040.01416.79
7.2.290.0100.00716.63
7.2.00.0070.00719.50
7.1.100.0190.00317.78
7.1.70.0000.00717.21
7.1.60.0110.01119.43
7.1.50.0090.00616.76
7.1.00.0030.07722.31
7.0.200.0080.00416.73
7.0.140.0070.07022.21
7.0.100.0100.07719.93
7.0.90.0230.08019.91
7.0.80.0070.08019.95
7.0.70.0070.07720.00
7.0.60.0030.08020.00
7.0.50.0070.07320.43
7.0.40.0030.08720.04
7.0.30.0100.07719.95
7.0.20.0100.08020.00
7.0.10.0070.08720.07
7.0.00.0070.08320.08
5.6.280.0000.07721.05
5.6.250.0070.04720.84
5.6.240.0070.08020.79
5.6.230.0000.09020.56
5.6.220.0030.05320.54
5.6.210.0070.07720.64
5.6.200.0030.06721.10
5.6.190.0100.07721.08
5.6.180.0100.05021.10
5.6.170.0130.07321.09
5.6.160.0130.03721.00
5.6.150.0070.09021.01
5.6.140.0070.04721.15
5.6.130.0030.05321.09
5.6.120.0200.06321.06
5.6.110.0100.07721.06
5.6.100.0070.07721.09
5.6.90.0130.04021.05
5.6.80.0030.04720.56
5.6.70.0070.06020.59
5.6.60.0070.04720.46
5.6.50.0100.07020.48
5.6.40.0130.06020.51
5.6.30.0100.06720.37
5.6.20.0130.03720.47
5.6.10.0030.05320.49
5.6.00.0070.08020.35
5.5.380.0030.04020.44
5.5.370.0100.07720.50
5.5.360.0170.04320.43
5.5.350.0100.06320.49
5.5.340.0030.09320.96
5.5.330.0070.08320.96
5.5.320.0030.06020.80
5.5.310.0130.07720.95
5.5.300.0100.07320.90
5.5.290.0030.07320.82
5.5.280.0030.07020.90
5.5.270.0070.07320.91
5.5.260.0070.08320.86
5.5.250.0030.08020.77
5.5.240.0070.08020.34
5.5.230.0130.03020.30
5.5.220.0030.08320.30
5.5.210.0100.05720.25
5.5.200.0170.07020.30
5.5.190.0130.06020.23
5.5.180.0100.04320.16
5.5.160.0030.04320.29
5.5.150.0100.04720.21
5.5.140.0000.05020.16
5.5.130.0130.06320.27
5.5.120.0170.06720.19
5.5.110.0070.04320.29
5.5.100.0070.04720.17
5.5.90.0030.07320.11
5.5.80.0100.07720.11
5.5.70.0070.04320.07
5.5.60.0030.07020.18
5.5.50.0030.09320.07
5.5.40.0100.04020.10
5.5.30.0070.08320.18
5.5.20.0070.07020.09
5.5.10.0100.04320.03
5.5.00.0170.06720.08
5.4.450.0030.07319.20
5.4.440.0170.07319.35
5.4.430.0070.04319.39
5.4.420.0000.08319.22
5.4.410.0070.07719.24
5.4.400.0000.05018.91
5.4.390.0130.07319.13
5.4.380.0230.06019.09
5.4.370.0030.06319.09
5.4.360.0070.06319.04
5.4.350.0170.07019.23
5.4.340.0100.07019.23
5.4.320.0030.07318.85
5.4.310.0070.06019.03
5.4.300.0070.07318.90
5.4.290.0170.06018.90
5.4.280.0030.07719.18
5.4.270.0100.08019.04
5.4.260.0130.06719.03
5.4.250.0030.04719.17
5.4.240.0030.08019.13
5.4.230.0030.04319.12
5.4.220.0030.04719.23
5.4.210.0070.05719.20
5.4.200.0030.08019.03
5.4.190.0070.04719.07
5.4.180.0030.06319.03
5.4.170.0070.06719.11
5.4.160.0130.03718.82
5.4.150.0130.07719.02
5.4.140.0030.07016.39
5.4.130.0030.07716.47
5.4.120.0100.07016.46
5.4.110.0100.07316.56
5.4.100.0130.06016.48
5.4.90.0000.04316.56
5.4.80.0100.07316.38
5.4.70.0030.07716.54
5.4.60.0070.07316.37
5.4.50.0030.06316.46
5.4.40.0100.06316.53
5.4.30.0100.05716.39
5.4.20.0000.07716.41
5.4.10.0030.07316.46
5.4.00.0070.07315.82
5.3.290.0200.06314.72
5.3.280.0030.07714.69
5.3.270.0030.08014.66
5.3.260.0100.04314.56
5.3.250.0100.05714.70
5.3.240.0100.06714.66
5.3.230.0070.05014.55
5.3.220.0070.05314.53
5.3.210.0030.04714.67
5.3.200.0100.06714.72
5.3.190.0170.06314.74
5.3.180.0070.04014.74
5.3.170.0070.05714.56
5.3.160.0130.03714.69
5.3.150.0070.07314.69
5.3.140.0070.05314.68
5.3.130.0100.07314.56
5.3.120.0130.07314.58
5.3.110.0000.08314.57
5.3.100.0000.07714.11
5.3.90.0030.04714.00
5.3.80.0070.05714.04
5.3.70.0000.06014.00
5.3.60.0070.03314.16
5.3.50.0100.05314.04
5.3.40.0030.07014.04
5.3.30.0070.07013.91
5.3.20.0070.06013.63
5.3.10.0070.03713.79
5.3.00.0070.04713.61
5.2.170.0070.05011.18
5.2.160.0030.06011.26
5.2.150.0030.05311.32
5.2.140.0100.05311.08
5.2.130.0030.03711.20
5.2.120.0100.04711.00
5.2.110.0030.06311.23
5.2.100.0070.04011.13
5.2.90.0070.04711.17
5.2.80.0070.06011.04
5.2.70.0100.05311.19
5.2.60.0000.06310.99
5.2.50.0100.05711.07
5.2.40.0100.06010.92
5.2.30.0030.05011.11
5.2.20.0130.05711.09
5.2.10.0000.05010.90
5.2.00.0000.03710.86
5.1.60.0030.04010.08
5.1.50.0100.05010.11
5.1.40.0100.03710.05
5.1.30.0000.06010.45
5.1.20.0030.04710.50
5.1.10.0000.06010.20
5.1.00.0000.03310.20
5.0.50.0000.0378.68
5.0.40.0030.0238.55
5.0.30.0000.0508.39
5.0.20.0000.0378.28
5.0.10.0030.0278.21
5.0.00.0070.0538.30
4.4.90.0000.0338.02
4.4.80.0030.0308.02
4.4.70.0100.0238.02
4.4.60.0000.0308.02
4.4.50.0030.0178.02
4.4.40.0000.0538.02
4.4.30.0000.0208.02
4.4.20.0100.0108.02
4.4.10.0030.0338.02
4.4.00.0070.0238.02
4.3.110.0030.0178.02
4.3.100.0000.0308.02
4.3.90.0030.0278.02
4.3.80.0000.0308.02
4.3.70.0030.0208.02
4.3.60.0030.0208.02
4.3.50.0030.0378.02
4.3.40.0000.0508.02
4.3.30.0000.0378.02
4.3.20.0030.0338.02
4.3.10.0070.0308.02
4.3.00.0000.0278.02

preferences:
44.8 ms | 401 KiB | 5 Q