3v4l.org

run code in 300+ PHP versions simultaneously
<?php function nek($i) { if ($i <= 1) return 1; return $i * nek($i); } echo nek(2);

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)
8.3.60.0220.02279.87
8.3.50.0640.02472.77
8.3.40.0290.01044.89
8.3.30.0320.01344.67
8.3.20.0150.00644.64
8.3.10.0190.00345.87
8.3.00.0190.00348.11
8.2.180.0630.02772.25
8.2.170.0270.02444.66
8.2.160.0310.00746.39
8.2.150.0160.00644.51
8.2.140.0130.01046.39
8.2.130.0080.00450.18
8.2.120.0040.00848.94
8.2.110.0250.00346.57
8.2.100.0140.01843.57
8.2.90.0080.01245.01
8.2.80.0120.01243.50
8.2.70.0120.01243.50
8.2.60.0120.01243.91
8.2.50.0200.00343.38
8.2.40.0160.00744.09
8.2.30.0130.00646.88
8.2.20.0100.01043.55
8.2.10.0030.01643.48
8.2.00.0130.01043.38
8.1.280.0800.01773.66
8.1.270.0170.00748.08
8.1.260.0310.00046.61
8.1.250.0160.00349.53
8.1.240.0210.00946.80
8.1.230.0330.00746.91
8.1.220.0140.00743.64
8.1.210.0130.01044.91
8.1.200.0330.00338.73
8.1.190.0110.00743.91
8.1.180.0120.00943.39
8.1.170.0130.00744.54
8.1.160.0190.00644.77
8.1.150.0120.00944.48
8.1.140.0200.00043.32
8.1.130.0090.00943.66
8.1.120.0160.00343.43
8.1.110.0140.00743.41
8.1.100.0130.00743.42
8.1.90.0170.00043.41
8.1.80.0120.00843.36
8.1.70.0090.00943.33
8.1.60.0180.01443.53
8.1.50.0180.00443.44
8.1.40.0070.01443.41
8.1.30.0100.01043.57
8.1.20.0070.01443.61
8.1.10.0170.01773.11
8.1.00.0270.01372.94
8.0.300.0280.00675.52
8.0.290.0100.02472.68
8.0.280.0270.00673.97
8.0.270.0250.01972.73
8.0.260.0250.01372.22
8.0.250.0220.00972.34
8.0.240.0240.01772.42
8.0.230.0330.00772.34
8.0.220.0250.00472.39
8.0.210.0280.00672.37
8.0.200.0390.00672.29
8.0.190.0200.01372.37
8.0.180.0310.00372.20
8.0.170.0220.01372.27
8.0.160.0230.01072.34
8.0.150.0230.01372.38
8.0.140.0360.00072.18
8.0.130.0470.017121.70
8.0.120.0200.01372.18
8.0.110.0130.02072.14
8.0.100.0260.00772.33
8.0.90.0270.00372.12
8.0.80.0560.03572.27
8.0.70.0260.00672.34
8.0.60.0160.01672.28
8.0.50.0260.00672.17
8.0.30.0590.02472.48
8.0.20.0720.02972.40
8.0.10.0320.00472.26
8.0.00.0610.03172.20
7.4.330.0070.02170.48
7.4.320.0350.01371.91
7.4.300.0150.01572.06
7.4.290.0250.00971.93
7.4.280.0320.00371.88
7.4.270.0280.00372.04
7.4.260.0290.025121.75
7.4.250.0290.00772.05
7.4.240.0270.00372.05
7.4.230.0200.01371.90
7.4.220.0550.02771.76
7.4.210.0700.03171.99
7.4.200.0180.01471.98
7.4.190.0230.00772.12
7.4.160.0570.01972.05
7.4.150.0710.01071.81
7.4.140.0620.03371.93
7.4.130.0640.01771.89
7.4.120.0510.04471.92
7.4.110.0700.04072.09
7.4.100.0540.02971.97
7.4.90.0640.02372.06
7.4.80.0560.03072.14
7.4.70.0660.01971.96
7.4.60.0640.01771.89
7.4.50.0230.01071.84
7.4.40.0260.02671.64
7.4.30.0490.02972.07
7.4.00.0380.01770.64
7.3.330.0270.023121.71
7.3.320.0430.023121.63
7.3.310.0290.00671.66
7.3.300.0210.01171.78
7.3.290.0740.04071.80
7.3.280.0450.03171.77
7.3.270.0510.02971.77
7.3.260.0630.02571.95
7.3.250.0660.02771.89
7.3.240.0550.02771.88
7.3.230.0470.03771.88
7.3.210.0530.03072.00
7.3.200.0660.04171.75
7.3.190.0600.04071.99
7.3.180.0470.03472.00
7.3.170.0670.03771.85
7.3.160.0600.02071.90
7.3.120.0420.01370.35
7.3.110.0400.02670.35
7.3.100.0300.01770.15
7.3.90.0140.02870.07
7.3.80.0370.02070.34
7.3.70.0230.02370.53
7.3.60.0140.03470.32
7.3.50.0160.03270.04
7.3.40.0170.03370.44
7.3.30.0330.02070.09
7.3.20.0190.01378.38
7.3.10.0190.01678.29
7.3.00.0200.01778.54
7.2.330.0590.02771.98
7.2.320.0520.03972.24
7.2.310.0660.03071.96
7.2.300.0640.02772.21
7.2.290.0540.03072.06
7.2.250.0360.03370.55
7.2.240.0440.02770.23
7.2.230.0170.03470.78
7.2.220.0330.02670.48
7.2.210.0360.01670.44
7.2.200.0310.01570.30
7.2.190.0320.01670.23
7.2.180.0170.02670.40
7.2.170.0240.03070.55
7.2.80.1870.02378.32
7.2.60.1530.01778.77
7.2.00.0470.02081.16
7.1.330.0100.02777.90
7.1.320.0070.03777.69
7.1.310.0070.03977.88
7.1.300.0070.03077.89
7.1.290.0130.03077.86
7.1.280.0140.02577.74
7.1.270.0100.03077.91
7.1.260.0230.02677.68
7.1.200.0970.02077.73
7.1.100.1050.01143.82
7.1.70.0090.01279.03
7.1.60.0130.04078.91
7.1.50.0980.02078.45
7.1.00.0130.03784.46
7.0.200.4520.02772.14
7.0.140.0070.08783.95
7.0.70.0130.06783.70
7.0.60.0130.09083.79
7.0.50.0130.07784.01
7.0.40.0100.06020.13
7.0.30.0130.04319.95
7.0.20.0300.08019.96
7.0.10.0170.06320.02
7.0.00.0000.06320.18
5.6.280.0270.09785.71
5.6.220.0200.07785.39
5.6.210.0330.09385.38
5.6.200.0330.07085.62
5.6.190.0300.09785.75
5.6.180.0330.10385.76
5.6.170.0300.10385.74
5.6.160.0330.06785.73
5.6.150.0300.08385.76
5.6.140.0270.10085.66
5.6.130.0200.07785.82
5.6.120.0230.12085.75
5.6.110.0330.08385.72
5.6.100.0230.07385.65
5.6.90.0270.10085.79
5.6.80.0170.06785.05
5.6.70.0330.10785.09
5.6.60.0400.09085.04
5.6.50.0270.10385.12
5.6.40.0230.11085.20
5.6.30.0270.10385.09
5.6.20.0330.06785.14
5.6.10.0330.10785.09
5.6.00.0330.08385.14
5.5.360.0370.07385.05
5.5.350.0400.09385.16
5.5.340.0270.07085.51
5.5.330.0400.09785.64
5.5.320.0470.09085.54
5.5.310.0300.07785.63
5.5.300.0430.09085.62
5.5.290.0200.12385.44
5.5.280.0370.06785.55
5.5.270.0470.08085.60
5.5.260.0300.09385.53
5.5.250.0330.10385.39
5.5.240.0330.10384.93
5.5.230.0270.10084.88
5.5.220.0430.08784.72
5.5.210.0300.05784.73
5.5.200.0230.07384.98
5.5.190.0370.10384.93
5.5.180.0370.10084.83
5.5.160.0370.09784.99
5.5.150.0230.08084.98
5.5.140.0330.09384.98
5.5.130.0330.06384.96
5.5.120.0300.10084.96
5.5.110.0170.11784.97
5.5.100.0330.09384.81
5.5.90.0270.11084.65
5.5.80.0230.08784.75
5.5.70.0430.09084.86
5.5.60.0170.11384.71
5.5.50.0300.10384.64
5.5.40.0330.09084.85
5.5.30.0330.10084.76
5.5.20.0130.09084.66
5.5.10.0230.08784.79
5.5.00.0400.09384.73
5.4.450.0200.07084.15
5.4.440.0330.06783.91
5.4.430.0570.08084.01
5.4.420.0370.10383.98
5.4.410.0370.09384.05
5.4.400.0400.07083.71
5.4.390.0270.10383.54
5.4.380.0230.05383.75
5.4.370.0270.09083.49
5.4.360.0230.08383.63
5.4.350.0270.06383.69
5.4.340.0430.06783.53
5.4.320.0370.10383.71
5.4.310.0330.10383.61
5.4.300.0370.09783.66
5.4.290.0330.09783.51
5.4.280.0200.09783.70
5.4.270.0200.05383.58
5.4.260.0230.08783.54
5.4.250.0300.10083.58
5.4.240.0370.09783.74
5.4.230.0400.10083.68
5.4.220.0270.11383.65
5.4.210.0300.10383.64
5.4.200.0270.05083.64
5.4.190.0230.09083.48
5.4.180.0300.10383.68
5.4.170.0230.05383.53
5.4.160.0230.08783.66
5.4.150.0270.05083.57
5.4.140.0330.09381.19
5.4.130.0270.06081.09
5.4.120.0170.07381.06
5.4.110.0270.07381.04
5.4.100.0400.09081.07
5.4.90.0230.05081.01
5.4.80.0270.06380.95
5.4.70.0230.04781.14
5.4.60.0170.05380.99
5.4.50.0300.09781.16
5.4.40.0400.08380.93
5.4.30.0300.04381.12
5.4.20.0230.10381.17
5.4.10.0200.05081.16
5.4.00.0430.08080.53
5.3.290.0430.10778.39
5.3.280.0270.10778.43
5.3.270.0230.12078.46
5.3.260.0370.11778.30
5.3.250.0300.11778.51
5.3.240.0270.10778.41
5.3.230.0270.11078.40
5.3.220.0400.11378.34
5.3.210.0330.12078.41
5.3.200.0130.09778.36
5.3.190.0270.06778.36
5.3.180.0300.07778.25
5.3.170.0330.10378.29
5.3.160.0200.06378.30
5.3.150.0270.07378.42
5.3.140.0100.09778.24
5.3.130.0370.10778.31
5.3.120.0130.09078.27
5.3.110.0170.07378.38
5.3.100.0270.10377.86
5.3.90.0300.11777.93
5.3.80.0330.10777.68
5.3.70.0230.08377.70
5.3.60.0330.10077.62
5.3.50.0170.09077.57
5.3.40.0130.11077.68
5.3.30.0200.11377.66
5.3.20.0370.08377.29
5.3.10.0200.09077.33
5.3.00.0230.13077.33
5.2.170.0070.06723.47
5.2.160.0030.07723.29
5.2.150.0070.04023.40
5.2.140.0100.05723.32
5.2.130.0130.05723.30
5.2.120.0130.06023.14
5.2.110.0130.04023.35
5.2.100.0000.05723.30
5.2.90.0100.06723.25
5.2.80.0100.07023.25
5.2.70.0130.06023.37
5.2.60.0170.06023.27
5.2.50.0030.07023.41
5.2.40.0100.06323.25
5.2.30.0100.03723.23
5.2.20.0170.06323.34
5.2.10.0130.06023.96
5.2.00.0030.06023.21
5.1.60.0070.04323.38
5.1.50.0130.04723.39
5.1.40.0130.06023.30
5.1.30.0070.06323.63
5.1.20.0070.04723.63
5.1.10.0100.06023.50
5.1.00.0070.06323.38
5.0.50.0070.07021.13
5.0.40.0170.05021.06
5.0.30.0070.04720.80
5.0.20.0130.05020.73
5.0.10.0100.05020.70
5.0.00.0230.07733.98
4.4.90.0170.02314.73
4.4.80.0070.04014.72
4.4.70.0070.04314.64
4.4.60.0100.02714.63
4.4.50.0000.03714.63
4.4.40.0070.05014.69
4.4.30.0070.03014.73
4.4.20.0070.03314.68
4.4.10.0070.03714.68
4.4.00.0100.05314.65
4.3.110.0070.04016.16
4.3.100.0100.04015.94
4.3.90.0100.02715.91
4.3.80.0130.05321.36
4.3.70.0030.02715.90
4.3.60.0130.03015.94
4.3.50.0070.04316.00
4.3.40.0170.05316.45
4.3.30.0130.02015.25
4.3.20.0130.03313.35
4.3.10.0070.04715.11
4.3.00.0100.04015.18

preferences:
33.17 ms | 401 KiB | 5 Q