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(2014);

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)
8.3.60.0070.01018.68
8.3.50.0120.00521.94
8.3.40.0110.00418.79
8.3.30.0040.01119.21
8.3.20.0000.00720.16
8.3.10.0040.00420.61
8.3.00.0000.00819.50
8.2.180.0120.00316.75
8.2.170.0040.01122.96
8.2.160.0100.00320.44
8.2.150.0070.00024.18
8.2.140.0030.00624.66
8.2.130.0050.00326.16
8.2.120.0040.00422.26
8.2.110.0060.00322.24
8.2.100.0110.00017.72
8.2.90.0040.00419.27
8.2.80.0090.00017.97
8.2.70.0060.00317.63
8.2.60.0050.00318.04
8.2.50.0000.00818.07
8.2.40.0000.00918.02
8.2.30.0050.00219.46
8.2.20.0080.00017.69
8.2.10.0060.00318.02
8.2.00.0070.00017.76
8.1.280.0100.00725.92
8.1.270.0050.00322.11
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0070.00322.19
8.1.230.0030.00918.95
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0090.00017.13
8.1.190.0030.00517.36
8.1.180.0020.00518.10
8.1.170.0080.00018.56
8.1.160.0030.00521.99
8.1.150.0000.00718.80
8.1.140.0040.00417.38
8.1.130.0000.00817.86
8.1.120.0000.00817.42
8.1.110.0040.00417.37
8.1.100.0030.00317.45
8.1.90.0000.00717.38
8.1.80.0000.00717.38
8.1.70.0040.00417.26
8.1.60.0030.00517.59
8.1.50.0000.00817.43
8.1.40.0030.00517.54
8.1.30.0030.00517.54
8.1.20.0000.01017.55
8.1.10.0060.00317.55
8.1.00.0080.00017.45
8.0.300.0040.00418.77
8.0.290.0080.00016.75
8.0.280.0000.00718.51
8.0.270.0040.00417.21
8.0.260.0030.00317.14
8.0.250.0000.00716.91
8.0.240.0020.00517.03
8.0.230.0000.00716.99
8.0.220.0070.00016.95
8.0.210.0030.00316.85
8.0.200.0030.00317.02
8.0.190.0030.00316.96
8.0.180.0000.00817.00
8.0.170.0070.00016.98
8.0.160.0030.00316.90
8.0.150.0040.00416.96
8.0.140.0030.00316.84
8.0.130.0080.00013.33
8.0.120.0000.00816.82
8.0.110.0050.00316.87
8.0.100.0020.00516.94
8.0.90.0040.00416.82
8.0.80.0150.00616.89
8.0.70.0000.00816.81
8.0.60.0080.00016.82
8.0.50.0070.00016.77
8.0.30.0100.00817.22
8.0.20.0080.01117.40
8.0.10.0070.00017.05
8.0.00.0110.00616.95
7.4.330.0000.00615.00
7.4.320.0040.00416.51
7.4.300.0030.00316.60
7.4.290.0030.00316.58
7.4.280.0060.00316.51
7.4.270.0060.00016.41
7.4.260.0000.00816.43
7.4.250.0040.00416.57
7.4.240.0000.00716.60
7.4.230.0040.00216.58
7.4.220.0070.01116.63
7.4.210.0070.01316.53
7.4.200.0030.00316.69
7.4.160.0100.00716.57
7.4.150.0110.00717.40
7.4.140.0090.00717.86
7.4.130.0150.00116.47
7.4.120.0100.00616.55
7.4.110.0070.01016.53
7.4.100.0070.01016.54
7.4.90.0110.00716.56
7.4.80.0090.00919.39
7.4.70.0090.00616.63
7.4.60.0070.00916.65
7.4.50.0040.00416.59
7.4.40.0130.00616.57
7.4.30.0060.01016.52
7.4.00.0070.01115.09
7.3.330.0030.00313.43
7.3.320.0000.00613.42
7.3.310.0000.00716.43
7.3.300.0030.00316.36
7.3.290.0050.00816.33
7.3.280.0110.00516.41
7.3.270.0130.00617.40
7.3.260.0120.00616.68
7.3.250.0110.00616.33
7.3.240.0110.00616.34
7.3.230.0100.00716.46
7.3.210.0110.00616.49
7.3.200.0120.00619.39
7.3.190.0140.00616.49
7.3.180.0040.01116.53
7.3.170.0030.01316.63
7.3.160.0040.01116.45
7.3.120.0120.00315.09
7.3.110.0040.01814.95
7.3.100.0030.00914.86
7.3.90.0030.01315.07
7.3.80.0050.00514.95
7.3.70.0110.00414.63
7.3.60.0060.00914.98
7.3.50.0090.00614.89
7.3.40.0030.00715.00
7.3.30.0030.01414.69
7.3.20.0130.00316.83
7.3.10.0030.01416.53
7.3.00.0090.00016.80
7.2.330.0040.01516.48
7.2.320.0070.01316.73
7.2.310.0130.01216.69
7.2.300.0090.00916.60
7.2.290.0100.00716.61
7.2.250.0100.01014.70
7.2.240.0100.01014.85
7.2.230.0040.00815.37
7.2.220.0000.01415.22
7.2.210.0030.01015.01
7.2.200.0060.00614.96
7.2.190.0030.01315.09
7.2.180.0030.01615.04
7.2.170.0080.00815.15
7.2.60.0070.00716.97
7.2.00.0030.01319.40
7.1.330.0080.00815.85
7.1.320.0000.01515.86
7.1.310.0040.00416.00
7.1.300.0070.01115.62
7.1.290.0040.00715.68
7.1.280.0030.01016.00
7.1.270.0070.00715.55
7.1.260.0060.00615.61
7.1.200.0080.00015.36
7.1.100.0080.00318.12
7.1.70.0030.00316.79
7.1.60.0090.01519.12
7.1.50.0110.00417.11
7.1.00.0070.07022.44
7.0.200.0030.00616.52
7.0.140.0000.07721.96
7.0.60.0130.06020.02
7.0.50.0000.04717.88
7.0.40.0070.07320.13
7.0.30.0270.08020.25
7.0.20.0270.08020.25
7.0.10.0030.04320.06
7.0.00.0070.06320.06
5.6.280.0100.06720.91
5.6.210.0000.08720.70
5.6.200.0100.06318.20
5.6.190.0070.05720.52
5.6.180.0200.05020.33
5.6.170.0300.08020.48
5.6.160.0100.08320.47
5.6.150.0000.08718.22
5.6.140.0000.04318.18
5.6.130.0030.08318.24
5.6.120.0000.04320.99
5.6.110.0000.09020.89
5.6.100.0030.08320.96
5.6.90.0000.06020.96
5.6.80.0000.04320.41
5.5.350.3830.04020.47
5.5.340.0100.07718.02
5.5.330.0100.05020.57
5.5.320.0330.07720.41
5.5.310.0370.07020.36
5.5.300.0070.05717.95
5.5.290.0070.04317.98
5.5.280.0200.05720.95
5.5.270.0130.04320.76
5.5.260.0100.07320.88
5.5.250.0030.06720.58
5.5.240.0030.06720.23
5.4.450.0100.05319.45
5.4.440.0470.04319.63
5.4.430.0230.04719.54
5.4.420.0170.04319.65
5.4.410.0430.04019.45
5.4.400.0370.03319.45
5.4.390.0370.04019.45
5.4.380.0170.06318.59
5.4.370.0570.05318.57
5.4.360.0370.04718.77
5.4.350.0400.06718.63
5.4.340.0430.06318.69
5.4.320.0040.03712.51
5.4.310.0050.03812.50
5.4.300.0070.03712.50
5.4.290.0060.04412.50
5.4.280.0040.03612.40
5.4.270.0070.03312.40
5.4.260.0050.03712.39
5.4.250.0030.04012.39
5.4.240.0050.03612.40
5.4.230.0030.04112.39
5.4.220.0070.03412.39
5.4.210.0050.03812.39
5.4.200.0060.04312.39
5.4.190.0080.03612.39
5.4.180.0060.03512.39
5.4.170.0060.03512.39
5.4.160.0070.03512.39
5.4.150.0050.03612.39
5.4.140.0040.03812.07
5.4.130.0050.03512.06
5.4.120.0040.03612.01
5.4.110.0040.03812.02
5.4.100.0070.03612.02
5.4.90.0020.04012.01
5.4.80.0060.03612.01
5.4.70.0050.03412.01
5.4.60.0050.03312.00
5.4.50.0030.03712.01
5.4.40.0060.03312.00
5.4.30.0050.03411.99
5.4.20.0060.03711.99
5.4.10.0060.03612.00
5.4.00.0070.03411.48
5.3.290.0060.03712.80
5.3.280.0090.03412.71
5.3.270.0020.04212.72
5.3.260.0050.04112.72
5.3.250.0060.03712.72
5.3.240.0060.03712.72
5.3.230.0100.03212.71
5.3.220.0110.03712.68
5.3.210.0050.04012.68
5.3.200.0060.03512.68
5.3.190.0040.03912.68
5.3.180.0040.03812.67
5.3.170.0080.03412.67
5.3.160.0070.03512.67
5.3.150.0060.03712.68
5.3.140.0040.03912.66
5.3.130.0060.03912.66
5.3.120.0080.03612.66
5.3.110.0030.04112.66
5.3.100.0060.03712.12
5.3.90.0060.04612.10
5.3.80.0020.04012.09
5.3.70.0060.03612.09
5.3.60.0070.03512.07
5.3.50.0060.03612.02
5.3.40.0060.04012.02
5.3.30.0040.04311.98
5.3.20.0070.03511.76
5.3.10.0070.04411.73
5.3.00.0030.03911.72
5.2.170.0060.0299.22
5.2.160.0030.0399.22
5.2.150.0070.0289.22
5.2.140.0040.0319.21
5.2.130.0020.0319.18
5.2.120.0040.0289.18
5.2.110.0030.0309.19
5.2.100.0050.0299.18
5.2.90.0080.0359.18
5.2.80.0070.0289.18
5.2.70.0040.0309.18
5.2.60.0060.0289.13
5.2.50.0040.0309.10
5.2.40.0050.0289.07
5.2.30.0080.0359.05
5.2.20.0050.0279.04
5.2.10.0040.0288.95
5.2.00.0030.0308.81
5.1.60.0050.0248.10
5.1.50.0030.0258.09
5.1.40.0020.0268.07
5.1.30.0070.0238.42
5.1.20.0010.0298.45
5.1.10.0080.0278.17
5.1.00.0030.0278.17
5.0.50.0040.0206.64
5.0.40.0020.0206.50
5.0.30.0070.0396.32
5.0.20.0030.0216.29
5.0.10.0070.0186.26
5.0.00.0030.0346.26
4.4.90.0040.0144.78
4.4.80.0020.0174.76
4.4.70.0030.0154.75
4.4.60.0030.0144.75
4.4.50.0040.0134.77
4.4.40.0040.0244.71
4.4.30.0010.0174.76
4.4.20.0030.0154.84
4.4.10.0020.0164.85
4.4.00.0030.0254.76
4.3.110.0030.0164.67
4.3.100.0020.0154.66
4.3.90.0020.0154.64
4.3.80.0030.0244.58
4.3.70.0030.0144.63
4.3.60.0020.0154.62
4.3.50.0030.0174.63
4.3.40.0060.0214.54
4.3.30.0030.0153.30
4.3.20.0000.0183.28
4.3.10.0010.0173.25
4.3.00.0000.02019.45

preferences:
71.01 ms | 401 KiB | 5 Q