3v4l.org

run code in 300+ PHP versions simultaneously
<?php function fib($n){ if($n == 1) { return 1; } return fib($n-1)+fib($n-2); } echo fib(10);

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)
8.3.60.0520.01372.62
8.3.50.0810.01873.45
8.3.40.0340.00744.68
8.3.30.0360.00345.22
8.3.20.0190.00446.39
8.3.10.0200.00048.64
8.3.00.0250.00743.50
8.2.180.0830.01373.15
8.2.170.0330.01344.71
8.2.160.0330.01346.46
8.2.150.0190.00344.77
8.2.140.0190.00345.65
8.2.130.0070.02050.21
8.2.120.0080.00449.96
8.2.110.0150.00947.27
8.2.100.0310.00343.72
8.2.90.0140.00743.63
8.2.80.0140.00743.91
8.2.70.0060.01243.80
8.2.60.0200.00043.80
8.2.50.0160.00643.25
8.2.40.0190.01046.48
8.2.30.0120.00943.78
8.2.20.0090.00943.36
8.2.10.0110.00743.54
8.2.00.0100.01043.53
8.1.280.0590.01372.80
8.1.270.0180.00748.50
8.1.260.0170.01044.73
8.1.250.0160.00349.16
8.1.240.0220.00348.13
8.1.230.0360.00045.41
8.1.220.0140.00743.55
8.1.210.0130.01043.13
8.1.200.0190.00343.23
8.1.190.0140.00743.23
8.1.180.0200.00343.00
8.1.170.0120.00844.40
8.1.160.0130.01047.96
8.1.150.0100.01444.61
8.1.140.0140.00743.42
8.1.130.0140.00443.83
8.1.120.0120.00643.48
8.1.110.0170.00743.34
8.1.100.0110.01143.44
8.1.90.0200.00043.41
8.1.80.0160.00443.44
8.1.70.0140.00343.30
8.1.60.0150.00943.49
8.1.50.0160.00343.50
8.1.40.0100.01343.54
8.1.30.0190.00343.50
8.1.20.0100.01043.61
8.1.10.0200.01372.96
8.1.00.0270.01072.89
8.0.300.0200.01376.71
8.0.290.0290.01872.25
8.0.280.0260.00473.96
8.0.270.0330.00372.67
8.0.260.0260.01372.30
8.0.250.0220.01072.46
8.0.240.0250.01972.37
8.0.230.0330.01372.20
8.0.220.0250.00772.18
8.0.210.0260.00772.32
8.0.200.0270.00772.46
8.0.190.0310.00772.28
8.0.180.0170.02372.36
8.0.170.0220.01372.38
8.0.160.0210.01472.25
8.0.150.0320.00672.29
8.0.140.0410.00072.30
8.0.130.0720.013121.65
8.0.120.0260.00772.33
8.0.110.0230.00772.29
8.0.100.0240.01072.34
8.0.90.0170.01472.14
8.0.80.0590.03172.21
8.0.70.0130.01972.25
8.0.60.0190.01172.23
8.0.50.0210.01172.44
8.0.30.0600.03272.47
8.0.20.0650.02172.50
8.0.10.0230.01372.39
8.0.00.0590.02372.17
7.4.330.0210.00772.26
7.4.320.0200.01072.09
7.4.300.0200.01071.95
7.4.290.0310.01072.01
7.4.280.0300.00772.03
7.4.270.0280.01072.05
7.4.260.0200.01272.02
7.4.250.0200.01372.03
7.4.240.0290.00672.04
7.4.230.0200.01072.06
7.4.220.0900.01772.03
7.4.210.0500.02171.95
7.4.200.0100.01972.02
7.4.190.0260.00671.84
7.4.160.0530.02071.84
7.4.150.0550.02772.15
7.4.140.0630.03271.88
7.4.130.0650.01971.93
7.4.120.0490.03172.02
7.4.110.0660.01772.09
7.4.100.0560.02971.78
7.4.90.0540.02772.00
7.4.80.0660.03571.86
7.4.70.0630.03372.02
7.4.60.0630.01671.93
7.4.50.0230.01072.20
7.4.40.0300.01371.92
7.4.30.0550.02671.97
7.4.00.0310.01370.25
7.3.330.0480.006121.64
7.3.320.0500.020121.80
7.3.310.0160.01671.73
7.3.300.0280.00671.79
7.3.290.0530.01771.91
7.3.280.0660.03071.84
7.3.270.0760.03371.75
7.3.260.0700.05071.91
7.3.250.0610.03171.85
7.3.240.0530.03371.85
7.3.230.0560.03072.03
7.3.210.0540.03071.80
7.3.200.0690.03371.91
7.3.190.0550.02971.99
7.3.180.0580.02071.95
7.3.170.0510.03471.80
7.3.160.0650.03672.12
7.3.120.0210.02170.50
7.2.330.0610.02471.86
7.2.320.0680.03372.29
7.2.310.0680.02772.09
7.2.300.0550.02671.73
7.2.290.0890.03172.25
7.2.60.2050.00378.92
7.2.00.1420.01381.57
7.1.200.1090.00777.61
7.1.100.0100.01379.61
7.1.70.1290.00678.64
7.1.60.0190.02278.95
7.1.50.0400.02096.57
7.1.00.0100.08784.39
7.0.200.1450.02478.70
7.0.140.0200.07384.08
7.0.60.0230.08383.73
7.0.50.0100.09784.05
7.0.40.0170.09720.18
7.0.30.0070.08020.04
7.0.20.0100.10020.06
7.0.10.0070.09320.01
7.0.00.0170.09319.95
5.6.280.0300.08385.63
5.6.210.0330.10085.33
5.6.200.0330.10085.73
5.6.190.0230.10385.73
5.6.180.0170.11785.84
5.6.170.0370.08785.86
5.6.160.0230.05785.83
5.6.150.0170.06785.77
5.6.140.0430.07085.70
5.6.130.0300.08385.86
5.6.120.0330.10385.69
5.6.110.0400.09085.83
5.6.100.0170.06085.85
5.6.90.0300.08385.79
5.6.80.0200.05385.14
5.6.70.0430.08385.11
5.6.60.0530.08085.11
5.6.50.0270.10785.16
5.6.40.0230.10785.12
5.6.30.0270.09785.07
5.6.20.0330.09785.20
5.6.10.0230.10085.09
5.6.00.0130.09785.02
5.5.350.0200.11385.17
5.5.340.0230.06385.59
5.5.330.0230.10785.60
5.5.320.0330.09085.57
5.5.310.0230.09785.47
5.5.300.0330.09385.67
5.5.290.0300.08385.68
5.5.280.0400.09085.58
5.5.270.0330.09785.48
5.5.260.0230.09385.35
5.5.250.0200.06085.40
5.5.240.0130.06084.86
5.5.230.0300.10784.93
5.5.220.0400.09384.82
5.5.210.0330.08784.84
5.5.200.0300.08785.03
5.5.190.0400.09084.93
5.5.180.0270.10784.71
5.5.160.0400.08384.86
5.5.150.0370.09084.91
5.5.140.0370.08784.85
5.5.130.0230.07784.82
5.5.120.0300.09384.91
5.5.110.0230.10385.02
5.5.100.0270.11084.71
5.5.90.0300.07084.71
5.5.80.0330.08384.76
5.5.70.0230.09784.68
5.5.60.0330.07784.73
5.5.50.0330.08784.78
5.5.40.0270.11084.91
5.5.30.0270.09784.73
5.5.20.0270.09384.70
5.5.10.0300.08084.72
5.5.00.0300.08384.72
5.4.450.0330.08083.88
5.4.440.0270.07783.89
5.4.430.0370.11783.98
5.4.420.0270.07384.04
5.4.410.0430.08083.88
5.4.400.0330.09083.57
5.4.390.0270.07083.75
5.4.380.0370.08783.70
5.4.370.0300.08383.65
5.4.360.0430.08783.57
5.4.350.0300.09383.57
5.4.340.0470.09083.66
5.4.320.0200.11083.77
5.4.310.0330.09083.66
5.4.300.0370.09083.73
5.4.290.0270.10083.56
5.4.280.0270.07083.76
5.4.270.0270.06083.70
5.4.260.0370.07783.54
5.4.250.0330.09383.70
5.4.240.0270.07083.73
5.4.230.0300.09783.73
5.4.220.0270.06783.70
5.4.210.0170.07083.69
5.4.200.0300.09383.54
5.4.190.0300.08383.66
5.4.180.0370.09383.65
5.4.170.0470.08083.57
5.4.160.0270.10083.84
5.4.150.0300.09783.68
5.4.140.0170.10381.16
5.4.130.0370.08781.14
5.4.120.0270.09780.89
5.4.110.0370.09081.05
5.4.100.0200.09381.11
5.4.90.0270.09781.04
5.4.80.0200.05781.02
5.4.70.0230.04781.05
5.4.60.0130.05381.04
5.4.50.0170.04781.09
5.4.40.0100.05781.09
5.4.30.0200.04380.98
5.4.20.0230.04380.97
5.4.10.0100.05381.01
5.4.00.0270.05080.37
5.3.290.0300.10778.20
5.3.280.0430.10078.05
5.3.270.0400.10078.17
5.3.260.0270.11378.17
5.3.250.0330.10778.07
5.3.240.0270.11778.10
5.3.230.0230.11378.17
5.3.220.0370.08778.03
5.3.210.0300.10078.04
5.3.200.0200.11078.08
5.3.190.0330.09078.13
5.3.180.0130.07078.13
5.3.170.0200.05778.04
5.3.160.0300.04778.04
5.3.150.0300.04778.08
5.3.140.0030.07078.02
5.3.130.0230.04778.09
5.3.120.0200.04778.08
5.3.110.0130.05078.06
5.3.100.0100.05077.51
5.3.90.0200.04077.59
5.3.80.0100.06077.47
5.3.70.0230.05777.36
5.3.60.0100.05777.41
5.3.50.0200.04377.39
5.3.40.0230.05377.38
5.3.30.0170.04777.32
5.3.20.0170.04377.12
5.3.10.0100.05377.16
5.3.00.0230.04377.07
5.2.170.0000.03023.08
5.2.160.0000.02723.20
5.2.150.0030.03023.07
5.2.140.0030.03323.06
5.2.130.0070.03022.86
5.2.120.0030.02722.97
5.2.110.0000.03022.86
5.2.100.0030.03723.00
5.2.90.0030.02722.87
5.2.80.0070.02322.97
5.2.70.0070.02322.98
5.2.60.0030.02722.96
5.2.50.0030.02723.28
5.2.40.0070.03023.53
5.2.30.0000.03323.38
5.2.20.0000.03723.46
5.2.10.0000.02723.47
5.2.00.0070.02323.26
5.1.60.0100.04323.04
5.1.50.0030.03022.95
5.1.40.0130.05022.98
5.1.30.0000.03023.55
5.1.20.0070.06723.43
5.1.10.0100.06323.29
5.1.00.0130.04723.25
5.0.50.0170.05021.09
5.0.40.0070.05721.02
5.0.30.0200.06720.86
5.0.20.0170.04020.81
5.0.10.0170.03720.80
5.0.00.0070.08338.46
4.4.90.0000.01314.75
4.4.80.0000.01314.84
4.4.70.0000.02014.72
4.4.60.0030.01714.79
4.4.50.0030.01714.79
4.4.40.0000.03314.82
4.4.30.0030.01314.85
4.4.20.0130.03314.89
4.4.10.0070.02014.89
4.4.00.0170.04714.84
4.3.110.0030.04016.25
4.3.100.0170.03316.12
4.3.90.0070.03016.01
4.3.80.0130.06023.42
4.3.70.0130.03716.02
4.3.60.0170.03316.00
4.3.50.0070.04316.02
4.3.40.0070.05716.39
4.3.30.0070.04715.34
4.3.20.0070.04013.46
4.3.10.0030.04315.17
4.3.00.0000.04015.17

preferences:
37.71 ms | 401 KiB | 5 Q