3v4l.org

run code in 300+ PHP versions simultaneously
<?php function arabic2roman($N) { $c = 'IVXLCDM'; for ($a = 5, $b = $s = ''; $N; $b++, $a ^= 7) for ($o = $N % $a, $N = $N / $a ^ 0; $o--; $s = $c[(($o > 2 ? $b + $N - ($N &= -2) + $o = 1 : $b)?:0)] . $s) ; return $s; } echo arabic2roman(3000);

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)
8.3.60.0130.00616.63
8.3.50.0120.00722.00
8.3.40.0070.00718.84
8.3.30.0150.00019.11
8.3.20.0070.00020.21
8.3.10.0000.00820.53
8.3.00.0080.00019.50
8.2.180.0100.00716.61
8.2.170.0070.00722.96
8.2.160.0030.01020.39
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00418.85
8.2.110.0040.00422.27
8.2.100.0060.00617.97
8.2.90.0070.00019.34
8.2.80.0080.00017.97
8.2.70.0030.00617.75
8.2.60.0000.00717.93
8.2.50.0030.00618.07
8.2.40.0000.00818.19
8.2.30.0020.00519.53
8.2.20.0050.00317.68
8.2.10.0040.00418.05
8.2.00.0030.00617.64
8.1.280.0080.00825.92
8.1.270.0030.00521.75
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00423.88
8.1.230.0080.00318.99
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0090.00017.23
8.1.190.0030.00517.22
8.1.180.0040.00418.10
8.1.170.0060.00318.63
8.1.160.0040.00421.91
8.1.150.0040.00418.79
8.1.140.0040.00417.48
8.1.130.0030.00317.81
8.1.120.0040.00417.52
8.1.110.0040.00417.37
8.1.100.0030.00517.52
8.1.90.0070.00017.44
8.1.80.0040.00417.51
8.1.70.0030.00617.43
8.1.60.0080.00017.51
8.1.50.0040.00417.48
8.1.40.0000.00817.46
8.1.30.0040.00417.54
8.1.20.0070.00017.59
8.1.10.0000.00717.61
8.1.00.0000.00717.54
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0030.00318.50
8.0.270.0000.00717.24
8.0.260.0040.00417.25
8.0.250.0000.00716.96
8.0.240.0050.00316.91
8.0.230.0000.00716.85
8.0.220.0030.00316.89
8.0.210.0000.00816.81
8.0.200.0070.00016.98
8.0.190.0090.00016.82
8.0.180.0000.00716.91
8.0.170.0080.00016.92
8.0.160.0040.00416.75
8.0.150.0000.00716.71
8.0.140.0030.00616.77
8.0.130.0070.00013.27
8.0.120.0080.00016.90
8.0.110.0040.00416.91
8.0.100.0000.00716.90
8.0.90.0040.00416.94
8.0.80.0070.01116.83
8.0.70.0050.00216.95
8.0.60.0040.00416.75
8.0.50.0040.00416.86
8.0.30.0120.00816.94
8.0.20.0160.00317.40
8.0.10.0040.00417.02
8.0.00.0110.00916.69
7.4.330.0050.00015.14
7.4.320.0060.00016.62
7.4.300.0030.00316.47
7.4.290.0000.00616.59
7.4.280.0000.00916.61
7.4.270.0040.00416.39
7.4.260.0030.00316.38
7.4.250.0000.00816.46
7.4.240.0040.00516.49
7.4.230.0030.00316.70
7.4.220.0100.00716.45
7.4.210.0070.00716.52
7.4.200.0030.00316.53
7.4.160.0130.00316.45
7.4.150.0040.01317.40
7.4.140.0110.00617.86
7.4.130.0100.00716.45
7.4.120.0050.01316.45
7.4.110.0100.00716.26
7.4.100.0130.00716.50
7.4.90.0070.01016.45
7.4.80.0100.01319.39
7.4.70.0100.00616.50
7.4.60.0120.00316.49
7.4.50.0030.00516.54
7.4.40.0110.01116.39
7.4.30.0100.00616.59
7.4.00.0090.00614.99
7.3.330.0030.00313.18
7.3.320.0000.00513.13
7.3.310.0030.00316.25
7.3.300.0030.00316.29
7.3.290.0000.01316.33
7.3.280.0070.00816.34
7.3.270.0100.00717.40
7.3.260.0080.00816.59
7.3.250.0150.00516.41
7.3.240.0100.00716.52
7.3.230.0070.01016.54
7.3.210.0030.01316.59
7.3.200.0130.01019.39
7.3.190.0060.01016.57
7.3.180.0120.00316.55
7.3.170.0120.00316.62
7.3.160.0070.00816.47
7.3.10.0090.00316.46
7.3.00.0080.00416.46
7.2.330.0040.01416.80
7.2.320.0060.01416.71
7.2.310.0100.01016.80
7.2.300.0090.01416.57
7.2.290.0090.01216.63
7.2.130.0030.00916.37
7.2.120.0070.00716.48
7.2.110.0140.01016.82
7.2.100.0000.01516.77
7.2.90.0030.01216.83
7.2.80.0070.01016.45
7.2.70.0030.00916.59
7.2.60.0080.00716.69
7.2.50.0070.00716.61
7.2.40.0120.00216.57
7.2.30.0080.00816.57
7.2.20.0110.00716.78
7.2.10.0130.00316.58
7.2.00.0030.00918.07
7.1.250.0000.01015.48
7.1.200.0040.00715.84
7.1.100.0060.00618.24
7.1.70.0030.00617.14
7.1.60.0060.01919.12
7.1.50.0030.01516.86
7.1.00.0070.06722.51
7.0.200.0040.00416.68
7.0.140.0030.07322.08
7.0.60.0070.08019.93
7.0.50.0100.03317.85
7.0.40.0200.05720.25
7.0.30.0170.04320.23
7.0.20.0270.04320.25
7.0.10.0030.07720.16
7.0.00.0070.06320.20
5.6.280.0070.07020.89
5.6.210.0000.05020.63
5.6.200.0100.04018.22
5.6.190.0000.05320.61
5.6.180.0200.07720.41
5.6.170.0270.06320.56
5.6.160.0100.08320.57
5.6.150.0070.06318.18
5.6.140.0070.08318.19
5.6.130.0000.06018.18
5.6.120.0070.05720.97
5.6.110.0170.07321.00
5.6.100.0070.08720.96
5.6.90.0070.03720.99
5.6.80.0100.07720.42
5.6.70.3330.04020.38
5.5.350.0330.06720.53
5.5.340.0070.07317.97
5.5.330.0070.05320.26
5.5.320.0230.06020.27
5.5.310.0300.03320.27
5.5.300.0030.05018.08
5.5.290.0000.09017.98
5.5.280.0070.03720.85
5.5.270.0000.04720.73
5.5.260.0070.07320.96
5.5.250.0100.07320.58
5.5.240.0270.05020.27
5.4.450.0700.04719.56
5.4.440.0130.04319.56
5.4.430.0270.05019.49
5.4.420.0200.04719.45
5.4.410.0230.04319.45
5.4.400.0500.04019.45
5.4.390.0100.05019.45
5.4.380.1270.07018.79
5.4.370.1300.06018.50
5.4.360.0830.05318.50
5.4.350.1000.05318.63
5.4.340.1070.05318.75
5.4.320.0060.03512.51
5.4.310.0050.03812.50
5.4.300.0060.03612.50
5.4.290.0060.03712.50
5.4.280.0040.03712.40
5.4.270.0070.04912.39
5.4.260.0080.03512.40
5.4.250.0070.04412.40
5.4.240.0050.04612.39
5.4.230.0040.03912.39
5.4.220.0080.03412.39
5.4.210.0050.03512.39
5.4.200.0080.03612.39
5.4.190.0060.03712.39
5.4.180.0020.04012.38
5.4.170.0070.04512.39
5.4.160.0050.03712.39
5.4.150.0080.04412.39
5.4.140.0050.03712.07
5.4.130.0050.03712.06
5.4.120.0050.03612.02
5.4.110.0020.03812.02
5.4.100.0050.04212.01
5.4.90.0030.03912.00
5.4.80.0040.03812.02
5.4.70.0090.04012.00
5.4.60.0100.03912.01
5.4.50.0040.03912.01
5.4.40.0060.03411.99
5.4.30.0060.03911.99
5.4.20.0030.03711.99
5.4.10.0060.03711.99
5.4.00.0040.03811.48
5.3.290.0040.04012.80
5.3.280.0040.04012.71
5.3.270.0070.04212.72
5.3.260.0050.03912.72
5.3.250.0050.04212.72
5.3.240.0070.03912.71
5.3.230.0090.03612.71
5.3.220.0070.03512.68
5.3.210.0050.03912.68
5.3.200.0050.03712.68
5.3.190.0050.03812.68
5.3.180.0070.03612.67
5.3.170.0060.03812.67
5.3.160.0040.03912.67
5.3.150.0050.03712.67
5.3.140.0060.03712.66
5.3.130.0080.03712.66
5.3.120.0070.03712.66
5.3.110.0060.03812.66
5.3.100.0060.03612.12
5.3.90.0060.03512.10
5.3.80.0040.03812.09
5.3.70.0050.03612.09
5.3.60.0060.04212.08
5.3.50.0030.03812.02
5.3.40.0040.03712.02
5.3.30.0040.03511.98
5.3.20.0090.04311.76
5.3.10.0050.03511.73
5.3.00.0060.03511.72
5.2.170.0020.0339.22
5.2.160.0040.0299.22
5.2.150.0080.0279.22
5.2.140.0020.0329.23
5.2.130.0050.0289.18
5.2.120.0060.0279.18
5.2.110.0060.0279.18
5.2.100.0030.0309.18
5.2.90.0050.0299.18
5.2.80.0050.0369.18
5.2.70.0060.0299.18
5.2.60.0080.0269.13
5.2.50.0050.0299.10
5.2.40.0040.0299.07
5.2.30.0070.0289.05
5.2.20.0040.0349.04
5.2.10.0040.0298.95
5.2.00.0030.0308.81
5.1.60.0040.0248.09
5.1.50.0050.0238.09
5.1.40.0050.0238.07
5.1.30.0010.0298.42
5.1.20.0040.0268.44
5.1.10.0020.0298.16
5.1.00.0060.0248.17
5.0.50.0040.0196.65
5.0.40.0030.0196.50
5.0.30.0030.0386.32
5.0.20.0040.0186.28
5.0.10.0030.0206.26
5.0.00.0020.0326.25
4.4.90.0040.0134.78
4.4.80.0040.0144.75
4.4.70.0030.0154.75
4.4.60.0040.0144.75
4.4.50.0030.0154.77
4.4.40.0010.0274.71
4.4.30.0010.0184.76
4.4.20.0030.0164.84
4.4.10.0020.0164.84
4.4.00.0040.0244.76
4.3.110.0040.0154.67
4.3.100.0060.0174.66
4.3.90.0030.0154.63
4.3.80.0020.0244.58
4.3.70.0030.0144.63
4.3.60.0020.0154.63
4.3.50.0020.0154.63
4.3.40.0020.0244.54
4.3.30.0000.0183.31
4.3.20.0020.0163.29
4.3.10.0020.0153.24
4.3.00.0030.01719.45

preferences:
39.39 ms | 401 KiB | 5 Q