3v4l.org

run code in 300+ PHP versions simultaneously
<?php define ("FNV_prime_32", 16777619); define ("FNV_prime_64", 1099511628211); define ("FNV_prime_128", 309485009821345068724781371); define ("FNV_offset_basis_32", 2166136261); define ("FNV_offset_basis_64", 14695981039346656037); define ("FNV_offset_basis_128", 144066263297769815596495629667062367629); /* * The core of the FNV-1 hash algorithm is as follows: * * hash = offset_basis * for each octet_of_data to be hashed * hash = hash * FNV_prime * hash = hash xor octet_of_data * return hash * * Source: http://www.isthe.com/chongo/tech/comp/fnv/ */ /* * Example Java implementation: * * long fnv(byte[] buf, int offset, int len, long seed) * { * for (int i = offset; i < offset + len; i++) * { * seed += (seed << 1) + (seed << 4) + (seed << 7) + (seed << 8) + (seed << 24); * seed ^= buf[i]; * } * return seed; * } * * `Source: http://www.getopt.org/ - FNV1 Hash */ function fnvhash_fnv1($txt) { $buf = str_split($txt); $hash = FNV_offset_basis_32; foreach ($buf as $chr) { $hash += 0x0ffffffff & (($hash << 1) + ($hash << 4) + ($hash << 7) + ($hash << 8) + ($hash << 24)); $hash = $hash ^ ord($chr); } $hash = $hash & 0x0ffffffff; return $hash; } var_dump(fnvhash_fnv1("test")); var_dump(fnvhash_fnv1("tess"));

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)
8.3.60.0070.01016.88
8.3.50.0020.01322.17
8.3.40.0090.00618.47
8.3.30.0140.00718.96
8.3.20.0080.00020.17
8.3.10.0050.00323.50
8.3.00.0030.00519.56
8.2.180.0070.01416.50
8.2.170.0110.00422.96
8.2.160.0070.00720.35
8.2.150.0000.00824.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00019.36
8.2.110.0060.00322.18
8.2.100.0090.00318.22
8.2.90.0000.00819.09
8.2.80.0090.00017.97
8.2.70.0050.00317.46
8.2.60.0180.00017.52
8.2.50.0000.00918.07
8.2.40.0070.00418.09
8.2.30.0030.00518.35
8.2.20.0030.00517.65
8.2.10.0070.00018.18
8.2.00.0000.00717.67
8.1.280.0170.00325.92
8.1.270.0050.00323.83
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00622.16
8.1.230.0000.01019.14
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0030.00617.38
8.1.190.0060.00317.23
8.1.180.0080.00018.10
8.1.170.0000.00818.59
8.1.160.0030.00521.96
8.1.150.0040.00420.47
8.1.140.0020.00517.47
8.1.130.0080.00017.84
8.1.120.0040.00417.37
8.1.110.0040.00717.46
8.1.100.0030.00317.50
8.1.90.0000.00817.54
8.1.80.0060.00317.46
8.1.70.0030.00317.38
8.1.60.0030.00617.62
8.1.50.0030.00617.50
8.1.40.0000.00817.57
8.1.30.0000.00817.63
8.1.20.0000.00817.66
8.1.10.0000.00717.34
8.1.00.0090.00017.30
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0000.00718.35
8.0.270.0020.00517.27
8.0.260.0030.00317.26
8.0.250.0030.00316.85
8.0.240.0030.00517.04
8.0.230.0000.00716.98
8.0.220.0000.00816.97
8.0.210.0030.00316.78
8.0.200.0030.00316.94
8.0.190.0000.00716.96
8.0.180.0040.00416.83
8.0.170.0000.00816.91
8.0.160.0030.00316.80
8.0.150.0040.00416.82
8.0.140.0000.00716.90
8.0.130.0030.00313.38
8.0.120.0030.00516.94
8.0.110.0070.00016.89
8.0.100.0000.00716.73
8.0.90.0070.00016.91
8.0.80.0100.01016.86
8.0.70.0040.00416.73
8.0.60.0000.00716.96
8.0.50.0040.00416.93
8.0.30.0140.00417.10
8.0.20.0030.01517.40
8.0.10.0070.00017.09
8.0.00.0120.00516.60
7.4.330.0000.00515.08
7.4.320.0000.00616.61
7.4.300.0060.00016.57
7.4.290.0070.00016.38
7.4.280.0000.00916.62
7.4.270.0030.00316.53
7.4.260.0100.00016.48
7.4.250.0040.00416.48
7.4.240.0040.00316.57
7.4.230.0030.00316.55
7.4.220.0060.01316.52
7.4.210.0070.00716.65
7.4.200.0070.00016.71
7.4.160.0060.00916.49
7.4.150.0140.00617.40
7.4.140.0100.01217.86
7.4.130.0090.01216.67
7.4.120.0150.00916.63
7.4.110.0090.00916.75
7.4.100.0110.01116.54
7.4.90.0100.00716.68
7.4.80.0160.00619.39
7.4.70.0120.00316.59
7.4.60.0060.01016.59
7.4.50.0000.00816.58
7.4.40.0100.01016.55
7.4.30.0110.00516.41
7.4.10.0070.01316.34
7.4.00.0050.01015.30
7.3.330.0000.00513.14
7.3.320.0000.00513.14
7.3.310.0030.00316.36
7.3.300.0000.00716.27
7.3.290.0130.00616.23
7.3.280.0120.00616.29
7.3.270.0130.00317.40
7.3.260.0070.01016.59
7.3.250.0140.00616.49
7.3.240.0090.00816.54
7.3.230.0090.00916.46
7.3.210.0110.00616.36
7.3.200.0110.00419.39
7.3.190.0060.01116.50
7.3.180.0150.00016.56
7.3.170.0000.01516.61
7.3.160.0070.01016.55
7.3.130.0100.01016.52
7.3.120.0080.00815.40
7.3.110.0070.00915.58
7.3.100.0050.00815.51
7.3.90.0100.00515.45
7.3.80.0080.00515.64
7.3.70.0060.00615.55
7.3.60.0050.01015.73
7.3.50.0050.00615.68
7.3.40.0020.01115.52
7.3.30.0050.00915.58
7.3.20.0080.00917.41
7.3.10.0080.00617.39
7.3.00.0040.00917.19
7.2.330.0070.01016.46
7.2.320.0100.01016.78
7.2.310.0120.00616.82
7.2.300.0030.01316.54
7.2.290.0060.00916.91
7.2.260.0070.01516.61
7.2.250.0060.00815.90
7.2.240.0130.00515.92
7.2.230.0050.00815.81
7.2.220.0080.00615.78
7.2.210.0050.01115.86
7.2.200.0050.00915.86
7.2.190.0100.00515.79
7.2.180.0040.01115.83
7.2.170.0070.00715.84
7.2.160.0110.01016.63
7.2.150.0060.00918.57
7.2.140.0000.01418.43
7.2.130.0070.01217.58
7.2.120.0070.00617.73
7.2.110.0050.01017.62
7.2.100.0060.00917.60
7.2.90.0050.01117.48
7.2.80.0050.01117.41
7.2.70.0080.00517.61
7.2.60.0020.00917.51
7.2.50.0080.01017.65
7.2.40.0050.01117.56
7.2.30.0060.01017.61
7.2.20.0080.00817.58
7.2.10.0020.00817.56
7.2.00.0060.00518.17
7.1.330.0040.00716.60
7.1.320.0000.01316.57
7.1.310.0090.00516.53
7.1.300.0050.00816.46
7.1.290.0070.00716.58
7.1.280.0050.00616.56
7.1.270.0020.01216.35
7.1.260.0070.01016.61
7.1.250.0070.00816.51
7.1.240.0090.00616.52
7.1.230.0020.01316.67
7.1.220.0020.01016.54
7.1.210.0020.01316.56
7.1.200.0070.00616.22
7.1.190.0060.00916.55
7.1.180.0050.00716.33
7.1.170.0080.00516.50
7.1.160.0110.00216.48
7.1.150.0060.00816.49
7.1.140.0060.00816.35
7.1.130.0030.00916.56
7.1.120.0050.00916.46
7.1.110.0090.00416.37
7.1.100.0040.00917.05
7.1.90.0050.00816.48
7.1.80.0000.01016.59
7.1.70.0020.00916.74
7.1.60.0070.00917.50
7.1.50.0080.00716.67
7.1.40.0020.00816.53
7.1.30.0050.00816.38
7.1.20.0020.00916.44
7.1.10.0070.00516.53
7.1.00.0050.02918.48
7.0.330.0040.00916.20
7.0.320.0010.00916.16
7.0.310.0050.00716.27
7.0.300.0070.00316.33
7.0.290.0100.00216.12
7.0.280.0070.00716.10
7.0.270.0080.00416.15
7.0.260.0030.00916.26
7.0.250.0100.00316.21
7.0.240.0070.00516.23
7.0.230.0080.00716.31
7.0.220.0060.00616.23
7.0.210.0060.00916.14
7.0.200.0080.00616.29
7.0.190.0050.00616.20
7.0.180.0050.00616.24
7.0.170.0070.00616.21
7.0.160.0030.00816.23
7.0.150.0070.00516.26
7.0.140.0070.02818.22
7.0.130.0080.00516.30
7.0.120.0020.01016.27
7.0.110.0070.00716.13
7.0.100.0060.00816.28
7.0.90.0030.00916.22
7.0.80.0060.00516.23
7.0.70.0040.00916.25
7.0.60.0050.03317.44
7.0.50.0100.02916.70
7.0.40.0060.02716.23
7.0.30.0200.03116.19
7.0.20.0150.02416.16
7.0.10.0090.03216.12
7.0.00.0020.02116.27
5.6.400.0000.01515.95
5.6.390.0070.01015.79
5.6.380.0030.00715.32
5.6.370.0070.00515.37
5.6.360.0050.01015.19
5.6.350.0000.01515.04
5.6.340.0020.01315.04
5.6.330.0050.00814.88
5.6.320.0020.00915.29
5.6.310.0070.00615.02
5.6.300.0080.00615.14
5.6.290.0070.00615.21
5.6.280.0020.03117.13
5.6.270.0060.00715.11
5.6.260.0050.01015.13
5.6.250.0070.00315.08
5.6.240.0030.00815.21
5.6.230.0000.01415.07
5.6.220.0050.00915.18
5.6.210.0090.02717.00
5.6.200.0070.03016.07
5.6.190.0050.01616.97
5.6.180.1310.01916.93
5.6.170.0130.02516.99
5.6.160.0060.01716.79
5.6.150.0040.03015.99
5.6.140.0070.01516.24
5.6.130.0070.01816.29
5.6.120.0050.03217.19
5.6.110.0040.03117.05
5.6.100.0060.02717.22
5.6.90.0060.01617.04
5.6.80.0020.03416.67
5.6.70.1500.01716.86
5.6.60.0080.00815.29
5.6.50.0020.01014.97
5.6.40.0060.00915.16
5.6.30.0030.00715.08
5.6.20.0070.00715.10
5.6.10.0040.01015.01
5.6.00.0070.00815.09
5.5.380.0030.00613.44
5.5.370.0000.01313.32
5.5.360.0080.00413.54
5.5.350.0110.02715.70
5.5.340.0050.03014.84
5.5.330.0060.02015.76
5.5.320.0110.02915.78
5.5.310.0110.02715.88
5.5.300.0010.02614.94
5.5.290.0060.02115.12
5.5.280.0050.01716.11
5.5.270.0040.03315.92
5.5.260.0030.02315.87
5.5.250.0050.01915.89
5.5.240.0110.02915.79
5.5.230.0040.00913.57
5.5.220.0080.00513.33
5.5.210.0030.00613.51
5.5.200.0030.00713.46
5.5.190.0000.01213.37
5.5.180.0050.00613.63
5.5.170.0040.00913.40
5.5.160.0030.00813.54
5.5.150.0050.00313.38
5.5.140.0040.01013.41
5.5.130.0000.01113.66
5.5.120.0040.00913.52
5.5.110.0050.00713.46
5.5.100.0030.00813.54
5.5.90.0030.00713.57
5.5.80.0020.00713.38
5.5.70.0030.00813.36
5.5.60.0030.00513.54
5.5.50.0030.00913.61
5.5.40.0030.00813.52
5.5.30.0030.00613.52
5.5.20.0080.00513.31
5.5.10.0050.00813.58
5.5.00.0050.00913.43
5.4.450.0190.01622.57
5.4.440.0090.02322.74
5.4.430.0230.01522.52
5.4.420.0060.02022.62
5.4.410.0150.01722.53
5.4.400.0190.01622.57
5.4.390.0140.01622.55
5.4.380.0060.02314.16
5.4.370.0100.01814.23
5.4.360.0120.01714.17
5.4.350.0070.02314.09
5.4.340.0050.02414.23
5.4.330.0010.00511.91
5.4.320.0060.01512.11
5.4.310.0080.01812.16
5.4.300.0020.02112.20
5.4.290.0040.01812.19
5.4.280.0070.01712.10
5.4.270.0050.01612.03
5.4.260.0070.01612.04
5.4.250.0020.01912.10
5.4.240.0020.01812.13
5.4.230.0040.01712.09
5.4.220.0050.01712.10
5.4.210.0040.01712.01
5.4.200.0060.01512.04
5.4.190.0030.01912.06
5.4.180.0050.01811.99
5.4.170.0020.01911.99
5.4.160.0070.01612.02
5.4.150.0080.01412.12
5.4.140.0080.01412.04
5.4.130.0090.01312.01
5.4.120.0070.01411.96
5.4.110.0060.01511.94
5.4.100.0050.01711.97
5.4.90.0080.01611.98
5.4.80.0070.01611.95
5.4.70.0030.01811.87
5.4.60.0060.01511.90
5.4.50.0070.01612.00
5.4.40.0050.01811.87
5.4.30.0030.01811.94
5.4.20.0060.01512.00
5.4.10.0030.01911.99
5.4.00.0040.01611.81
5.3.290.0060.01712.29
5.3.280.0090.01312.21
5.3.270.0060.01612.28
5.3.260.0050.01612.30
5.3.250.0070.01712.24
5.3.240.0060.01512.24
5.3.230.0040.01712.23
5.3.220.0060.01612.16
5.3.210.0050.01512.13
5.3.200.0070.01412.15
5.3.190.0040.02012.18
5.3.180.0040.01712.22
5.3.170.0060.01612.27
5.3.160.0060.01512.19
5.3.150.0040.01812.23
5.3.140.0060.01912.16
5.3.130.0030.02012.24
5.3.120.0020.01912.29
5.3.110.0040.01812.15
5.3.100.0070.01612.11
5.3.90.0060.01712.03
5.3.80.0080.01812.01
5.3.70.0050.01611.98
5.3.60.0060.01512.02
5.3.50.0050.01511.97
5.3.40.0040.01812.01
5.3.30.0050.01711.96
5.3.20.0030.01711.89
5.3.10.0040.01611.90
5.3.00.0050.01411.80
5.2.170.0040.01710.06
5.2.160.0020.02010.06
5.2.150.0040.01710.06
5.2.140.0050.01710.06
5.2.130.0070.01810.04
5.2.120.0070.01610.04
5.2.110.0050.01710.04
5.2.100.0040.01510.04
5.2.90.0020.01910.04
5.2.80.0030.01710.04
5.2.70.0050.01610.04
5.2.60.0050.01610.02
5.2.50.0060.01810.00
5.2.40.0020.0199.99
5.2.30.0060.0169.97
5.2.20.0020.0169.97
5.2.10.0020.0199.93
5.2.00.0050.0189.85
5.1.60.0040.0159.49
5.1.50.0040.0169.49
5.1.40.0020.0169.48
5.1.30.0040.0169.66
5.1.20.0010.0189.67
5.1.10.0020.0169.53
5.1.00.0050.0159.53
5.0.50.0020.0148.77
5.0.40.0030.0128.70
5.0.30.0030.0188.61
5.0.20.0030.0118.60
5.0.10.0050.0118.59
5.0.00.0030.0198.59
4.4.90.0040.0087.84
4.4.80.0020.0107.83
4.4.70.0040.0097.83
4.4.60.0030.0117.83
4.4.50.0010.0117.83
4.4.40.0020.0147.80
4.4.30.0030.0097.83
4.4.20.0020.0117.87
4.4.10.0050.0137.87
4.4.00.0020.0167.83
4.3.110.0040.0097.78
4.3.100.0020.0107.78
4.3.90.0010.0127.76
4.3.80.0020.0157.74
4.3.70.0020.0127.76
4.3.60.0020.0107.76
4.3.50.0010.0127.76
4.3.40.0020.0167.72
4.3.30.0010.0117.11
4.3.20.0030.0097.10
4.3.10.0020.0137.08
4.3.00.0130.00827.33

preferences:
40.07 ms | 401 KiB | 5 Q