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(20014);

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)
8.3.60.0120.00318.31
8.3.50.0090.00922.05
8.3.40.0110.00418.76
8.3.30.0190.00319.26
8.3.20.0040.00420.18
8.3.10.0030.00520.65
8.3.00.0090.00019.51
8.2.180.0040.01116.63
8.2.170.0110.00422.96
8.2.160.0070.00720.52
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0080.00022.09
8.2.110.0060.00320.52
8.2.100.0040.00817.91
8.2.90.0030.00619.05
8.2.80.0000.00917.97
8.2.70.0060.00317.63
8.2.60.0040.00418.05
8.2.50.0000.00818.07
8.2.40.0030.00518.01
8.2.30.0060.00319.49
8.2.20.0030.00517.61
8.2.10.0040.00418.25
8.2.00.0040.00417.82
8.1.280.0070.01025.92
8.1.270.0040.00422.05
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0090.00023.84
8.1.230.0070.00419.10
8.1.220.0000.00817.74
8.1.210.0000.00918.77
8.1.200.0040.00417.36
8.1.190.0050.00317.23
8.1.180.0050.00318.10
8.1.170.0050.00318.66
8.1.160.0030.00522.05
8.1.150.0000.00818.98
8.1.140.0000.00717.42
8.1.130.0000.00717.92
8.1.120.0040.00417.33
8.1.110.0040.00417.40
8.1.100.0050.00217.38
8.1.90.0000.00717.37
8.1.80.0030.00517.39
8.1.70.0040.00417.34
8.1.60.0050.00217.56
8.1.50.0070.00017.50
8.1.40.0000.00917.38
8.1.30.0000.00817.65
8.1.20.0050.00317.56
8.1.10.0030.00517.46
8.1.00.0000.00817.46
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0030.00318.45
8.0.270.0050.00217.31
8.0.260.0070.00017.25
8.0.250.0020.00517.01
8.0.240.0000.00716.96
8.0.230.0000.00716.96
8.0.220.0060.00016.85
8.0.210.0000.00716.80
8.0.200.0000.00717.03
8.0.190.0040.00416.88
8.0.180.0000.00716.93
8.0.170.0040.00416.95
8.0.160.0040.00416.79
8.0.150.0000.00816.94
8.0.140.0030.00516.89
8.0.130.0040.00213.36
8.0.120.0040.00416.79
8.0.110.0000.00716.93
8.0.100.0000.00716.93
8.0.90.0040.00416.88
8.0.80.0080.00816.94
8.0.70.0000.00716.89
8.0.60.0030.00516.96
8.0.50.0000.00716.93
8.0.30.0160.00517.19
8.0.20.0080.01217.40
8.0.10.0080.00016.86
8.0.00.0120.00616.85
7.4.330.0000.00615.00
7.4.320.0000.00616.57
7.4.300.0070.00016.55
7.4.290.0030.00316.40
7.4.280.0030.00516.63
7.4.270.0000.00716.64
7.4.260.0030.00316.37
7.4.250.0000.00716.53
7.4.240.0040.00416.55
7.4.230.0030.00316.40
7.4.220.0030.01416.53
7.4.210.0030.01016.45
7.4.200.0030.00316.49
7.4.160.0030.01516.64
7.4.150.0130.00517.40
7.4.140.0110.00617.86
7.4.130.0090.00816.49
7.4.120.0120.00616.53
7.4.110.0120.00416.57
7.4.100.0090.00916.69
7.4.90.0080.00816.59
7.4.80.0120.00619.39
7.4.70.0110.00516.61
7.4.60.0100.00616.45
7.4.50.0040.00416.52
7.4.40.0060.01016.56
7.4.30.0060.00916.43
7.4.00.0000.01714.76
7.3.330.0060.00013.38
7.3.320.0030.00313.40
7.3.310.0050.00216.29
7.3.300.0000.00716.29
7.3.290.0070.00716.45
7.3.280.0120.00516.37
7.3.270.0090.00917.40
7.3.260.0060.01316.41
7.3.250.0060.01216.57
7.3.240.0060.01616.49
7.3.230.0140.00716.39
7.3.210.0130.00716.51
7.3.200.0090.01319.39
7.3.190.0070.01016.66
7.3.180.0100.00616.50
7.3.170.0060.00916.53
7.3.160.0090.00616.41
7.3.10.0110.00716.74
7.3.00.0030.01316.50
7.2.330.0160.00716.44
7.2.320.0090.00916.74
7.2.310.0070.01016.74
7.2.300.0060.01816.79
7.2.290.0110.00716.80
7.2.130.0000.01316.70
7.2.120.0000.01117.05
7.2.110.0060.00916.96
7.2.100.0090.00616.92
7.2.90.0040.01216.93
7.2.80.0000.01616.73
7.2.70.0080.00417.04
7.2.60.0090.00616.92
7.2.50.0030.01016.98
7.2.40.0090.00317.10
7.2.30.0070.01016.71
7.2.20.0000.01017.02
7.2.10.0040.01116.80
7.2.00.0050.00918.16
7.1.250.0100.00016.00
7.1.200.0040.00815.82
7.1.100.0100.00318.26
7.1.70.0030.00317.22
7.1.60.0070.01719.12
7.1.50.0070.01616.91
7.1.00.0030.07722.40
7.0.200.0030.00616.68
7.0.140.0070.06722.18
7.0.60.0000.04319.86
7.0.50.0030.07717.96
7.0.40.0100.08020.27
7.0.30.0270.06320.06
7.0.20.0300.06320.23
7.0.10.0100.08320.43
7.0.00.0100.07720.25
5.6.280.0030.07320.77
5.6.210.0130.08020.67
5.6.200.0030.08318.14
5.6.190.0000.05020.63
5.6.180.0400.08020.62
5.6.170.0270.04720.50
5.6.160.0070.08320.45
5.6.150.0070.05318.18
5.6.140.0070.06718.16
5.6.130.0030.08318.20
5.6.120.0070.05020.95
5.6.110.0200.07021.00
5.6.100.0070.08321.00
5.6.90.0070.06720.98
5.6.80.0100.03320.38
5.5.350.0200.07720.53
5.5.340.0070.08318.00
5.5.330.0000.09020.37
5.5.320.0270.07320.35
5.5.310.0300.05020.38
5.5.300.0070.04717.99
5.5.290.0130.06718.06
5.5.280.0030.09020.68
5.5.270.0030.06320.75
5.5.260.0200.07020.76
5.5.250.0070.08720.55
5.5.240.0130.07720.04
5.4.450.0330.03319.45
5.4.440.0300.03019.45
5.4.430.0270.04319.48
5.4.420.0170.05019.45
5.4.410.0400.04719.45
5.4.400.0270.04319.45
5.4.390.0270.04019.45
5.4.380.0370.05318.74
5.4.370.0230.05718.84
5.4.360.0400.04318.75
5.4.350.0370.06718.59
5.4.340.0330.05318.57
5.4.320.0040.03712.51
5.4.310.0090.03412.50
5.4.300.0040.03712.50
5.4.290.0050.03812.50
5.4.280.0050.03612.40
5.4.270.0070.03512.39
5.4.260.0050.03712.40
5.4.250.0030.03812.40
5.4.240.0040.03612.40
5.4.230.0050.03812.39
5.4.220.0060.03412.39
5.4.210.0070.03312.39
5.4.200.0050.03812.39
5.4.190.0050.03812.39
5.4.180.0070.03512.39
5.4.170.0080.03312.39
5.4.160.0050.04312.39
5.4.150.0080.03312.39
5.4.140.0060.03612.07
5.4.130.0060.03812.06
5.4.120.0050.03512.02
5.4.110.0080.04012.02
5.4.100.0060.03412.02
5.4.90.0060.03612.01
5.4.80.0090.03512.01
5.4.70.0060.03512.00
5.4.60.0050.03512.00
5.4.50.0040.03912.00
5.4.40.0100.03612.00
5.4.30.0020.04411.99
5.4.20.0050.04311.99
5.4.10.0040.03911.99
5.4.00.0050.03711.48
5.3.290.0040.04212.80
5.3.280.0060.03712.70
5.3.270.0050.03812.72
5.3.260.0040.03912.72
5.3.250.0060.03712.72
5.3.240.0030.03912.72
5.3.230.0060.04312.71
5.3.220.0070.04012.68
5.3.210.0020.04212.68
5.3.200.0080.03312.68
5.3.190.0040.03812.68
5.3.180.0060.03912.68
5.3.170.0040.03912.67
5.3.160.0070.03512.67
5.3.150.0050.03712.67
5.3.140.0030.03812.66
5.3.130.0050.03812.66
5.3.120.0030.04112.65
5.3.110.0040.03912.66
5.3.100.0020.04012.12
5.3.90.0060.03812.10
5.3.80.0030.03812.09
5.3.70.0070.03512.09
5.3.60.0050.04212.07
5.3.50.0060.03412.02
5.3.40.0040.03712.02
5.3.30.0040.03611.98
5.3.20.0040.04511.76
5.3.10.0020.03811.73
5.3.00.0040.03811.72
5.2.170.0040.0309.22
5.2.160.0030.0309.22
5.2.150.0020.0329.21
5.2.140.0040.0309.21
5.2.130.0030.0309.17
5.2.120.0040.0289.18
5.2.110.0050.0289.19
5.2.100.0070.0269.18
5.2.90.0050.0289.18
5.2.80.0040.0309.18
5.2.70.0020.0329.18
5.2.60.0080.0259.13
5.2.50.0060.0289.10
5.2.40.0030.0309.07
5.2.30.0070.0269.05
5.2.20.0070.0269.04
5.2.10.0070.0278.95
5.2.00.0110.0228.81
5.1.60.0050.0238.09
5.1.50.0050.0248.09
5.1.40.0050.0238.07
5.1.30.0020.0288.43
5.1.20.0050.0258.44
5.1.10.0020.0278.17
5.1.00.0030.0278.16
5.0.50.0040.0206.64
5.0.40.0030.0196.50
5.0.30.0050.0296.32
5.0.20.0020.0216.28
5.0.10.0060.0176.26
5.0.00.0010.0336.25
4.4.90.0030.0154.78
4.4.80.0030.0154.76
4.4.70.0050.0134.75
4.4.60.0020.0164.76
4.4.50.0020.0164.77
4.4.40.0000.0284.70
4.4.30.0070.0114.75
4.4.20.0000.0184.84
4.4.10.0020.0154.85
4.4.00.0020.0254.76
4.3.110.0040.0144.67
4.3.100.0020.0154.66
4.3.90.0020.0154.63
4.3.80.0030.0244.59
4.3.70.0040.0174.63
4.3.60.0070.0154.63
4.3.50.0040.0144.62
4.3.40.0010.0304.54
4.3.30.0040.0203.31
4.3.20.0030.0153.29
4.3.10.0030.0143.24
4.3.00.0100.01719.45

preferences:
52.61 ms | 401 KiB | 5 Q