3v4l.org

run code in 300+ PHP versions simultaneously
<?php function f($a) { $b = $b*a; if ($a > 0) { $b = f($a-1); } return $b; } echo f(1);

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)
8.3.60.0060.00916.75
8.3.50.0100.01117.54
8.3.40.0090.00618.72
8.3.30.0040.01218.72
8.3.20.0080.00018.53
8.3.10.0090.00018.57
8.3.00.0100.00017.48
8.2.180.0090.00616.50
8.2.170.0140.00722.96
8.2.160.0120.00319.00
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0000.00726.16
8.2.120.0040.00420.89
8.2.110.0060.00320.52
8.2.100.0070.00417.72
8.2.90.0000.00817.85
8.2.80.0030.00618.86
8.2.70.0040.00417.75
8.2.60.0080.00017.93
8.2.50.0030.00518.07
8.2.40.0000.00819.88
8.2.30.0080.00017.63
8.2.20.0030.00617.72
8.2.10.0030.00517.75
8.2.00.0000.01017.73
8.1.270.0040.00423.99
8.1.260.0060.00326.35
8.1.250.0060.00328.09
8.1.240.0110.00723.93
8.1.230.0110.00023.94
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0030.00617.47
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0040.00418.88
8.1.160.0050.00319.00
8.1.150.0020.00518.53
8.1.140.0040.00417.38
8.1.130.0000.00717.82
8.1.120.0040.00417.29
8.1.110.0000.00717.39
8.1.100.0030.00417.32
8.1.90.0000.00817.42
8.1.80.0040.00417.25
8.1.70.0030.00317.25
8.1.60.0030.00617.57
8.1.50.0040.00417.39
8.1.40.0080.00017.48
8.1.30.0030.00617.41
8.1.20.0080.00417.58
8.1.10.0000.00717.47
8.1.00.0000.00717.36
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00818.44
8.0.270.0040.00417.31
8.0.260.0030.00318.52
8.0.250.0000.00817.00
8.0.240.0050.00217.05
8.0.230.0040.00417.03
8.0.220.0030.00316.96
8.0.210.0000.00716.91
8.0.200.0050.00216.98
8.0.190.0030.00717.02
8.0.180.0040.00416.85
8.0.170.0080.00016.79
8.0.160.0000.00716.94
8.0.150.0070.00316.81
8.0.140.0000.00816.89
8.0.130.0050.00013.36
8.0.120.0030.00616.91
8.0.110.0040.00416.91
8.0.100.0030.00516.85
8.0.90.0040.00416.84
8.0.80.0070.00716.90
8.0.70.0030.00516.86
8.0.60.0040.00417.00
8.0.50.0050.00316.93
8.0.30.0100.00517.16
8.0.20.0110.00917.00
8.0.10.0050.00316.95
8.0.00.0140.00416.76
7.4.330.0020.00212.96
7.4.320.0020.00516.57
7.4.300.0030.00316.49
7.4.290.0000.00716.63
7.4.280.0040.00416.38
7.4.270.0000.00716.63
7.4.260.0030.00313.38
7.4.250.0000.00716.47
7.4.240.0030.00316.43
7.4.230.0030.00316.42
7.4.220.0070.01416.47
7.4.210.0030.01316.68
7.4.200.0050.00216.71
7.4.190.0070.00016.55
7.4.160.0140.00916.41
7.4.150.0140.00416.41
7.4.140.0090.00916.67
7.4.130.0090.00916.50
7.4.120.0080.00816.38
7.4.110.0150.00416.42
7.4.100.0210.00316.37
7.4.90.0060.01316.55
7.4.80.0040.01419.39
7.4.70.0000.01516.27
7.4.60.0130.00316.33
7.4.50.0040.00816.20
7.4.40.0040.01116.41
7.4.30.0140.00816.56
7.4.00.0090.00614.78
7.3.330.0060.00013.18
7.3.320.0060.00013.20
7.3.310.0050.00316.39
7.3.300.0060.00016.22
7.3.290.0080.00816.29
7.3.280.0080.00916.38
7.3.270.0100.00716.72
7.3.260.0200.00616.58
7.3.250.0140.00816.43
7.3.240.0160.00616.27
7.3.230.0030.01416.40
7.3.210.0060.01216.38
7.3.200.0130.00316.47
7.3.190.0110.01116.46
7.3.180.0120.00516.51
7.3.170.0070.01716.51
7.3.160.0070.01016.50
7.3.120.0030.01014.96
7.3.10.0030.00916.53
7.3.00.0070.00316.84
7.2.330.0170.00016.59
7.2.320.0070.01016.49
7.2.310.0180.00016.36
7.2.300.0040.01216.48
7.2.290.0070.01016.50
7.2.130.0100.00616.97
7.2.120.0030.01017.00
7.2.110.0070.00716.60
7.2.100.0080.00616.73
7.2.90.0060.00616.96
7.2.80.0060.00616.97
7.2.70.0030.00916.96
7.2.60.0020.01217.01
7.2.50.0070.00716.95
7.2.40.0030.01016.99
7.2.30.0000.01316.84
7.2.20.0070.00616.99
7.2.10.0060.00316.97
7.2.00.0060.00517.84
7.1.250.0030.01415.70
7.1.200.0030.00915.71
7.1.100.0030.00817.83
7.1.70.0000.00717.13
7.1.60.0100.01419.30
7.1.50.0000.02016.47
7.1.00.0000.08022.46
7.0.200.0160.00316.82
7.0.140.0000.07322.09
7.0.120.0000.07022.25
7.0.60.0100.07719.78
7.0.50.0130.07317.90
7.0.40.0130.07020.27
7.0.30.0200.05020.09
7.0.20.0270.08020.07
7.0.10.0200.04720.33
7.0.00.0030.09320.32
5.6.280.0000.07720.80
5.6.210.0070.06720.71
5.6.200.0030.08318.15
5.6.190.0170.07720.67
5.6.180.0230.08720.63
5.6.170.0170.04720.56
5.6.160.0070.07020.46
5.6.150.0230.04018.18
5.6.140.0030.08318.29
5.6.130.0130.08018.15
5.6.120.0200.04020.99
5.6.110.0030.06721.01
5.6.100.0070.08021.04
5.6.90.0100.08321.02
5.6.80.0030.04020.54
5.6.70.0230.04320.42
5.5.350.0130.07720.46
5.5.340.0100.07317.95
5.5.330.0200.02720.37
5.5.320.0370.07020.41
5.5.310.0200.08320.38
5.5.300.0030.04017.97
5.5.290.0030.08017.99
5.5.280.0030.08020.87
5.5.270.0030.08020.84
5.5.260.0100.08020.96
5.5.250.0000.04320.59
5.5.240.0030.08720.13
5.4.450.0000.05319.48
5.4.440.0070.04019.47
5.4.430.0000.04319.52
5.4.420.0170.06719.56
5.4.410.0100.07319.34
5.4.400.0130.03318.98
5.4.390.0100.07019.15
5.4.380.0070.05719.24
5.4.370.0070.08318.86
5.4.360.0270.03018.85
5.4.350.0030.04718.92
5.4.340.0030.04719.25
5.4.320.0030.08318.92
5.4.310.0030.04318.84
5.4.300.0000.06018.97
5.4.290.0030.06718.84
5.4.280.0030.05019.11
5.4.270.0070.07319.23
5.4.260.0070.05019.08
5.4.250.0030.05019.00
5.4.240.0070.04318.84
5.4.230.0030.05719.20
5.4.220.0000.04718.97
5.4.210.0000.04019.14
5.4.200.0070.07319.14
5.4.190.0030.05019.25
5.4.180.0100.07718.91
5.4.170.0000.05019.26
5.4.160.0030.04718.85
5.4.150.0070.03719.12
5.4.140.0100.05016.41
5.4.130.0070.04716.31
5.4.120.0070.06716.39
5.4.110.0070.06316.30
5.4.100.0170.05316.41
5.4.90.0070.07316.28
5.4.80.0030.06016.38
5.4.70.0070.05716.36
5.4.60.0030.06016.32
5.4.50.0070.07016.44
5.4.40.0130.04316.25
5.4.30.0100.04016.44
5.4.20.0100.05016.38
5.4.10.0030.04316.30
5.4.00.0070.07715.91
5.3.290.0030.04714.71
5.3.280.0070.05714.75
5.3.270.0030.06714.67
5.3.260.0030.07714.61
5.3.250.0070.03714.68
5.3.240.0100.04714.61
5.3.230.0070.07314.67
5.3.220.0070.08014.57
5.3.210.0070.05314.60
5.3.200.0000.04314.57
5.3.190.0030.04314.57
5.3.180.0100.05014.57
5.3.170.0070.04314.63
5.3.160.0230.06314.59
5.3.150.0000.04314.61
5.3.140.0070.04014.61
5.3.130.0070.08014.46
5.3.120.0230.06014.60
5.3.110.0000.08314.56
5.3.100.0070.07714.07
5.3.90.0000.04314.03
5.3.80.0070.07314.07
5.3.70.0070.07314.01
5.3.60.0030.07314.06
5.3.50.0170.06313.91
5.3.40.0070.07714.00
5.3.30.0100.06713.93
5.3.20.0100.05313.60
5.3.10.0030.04313.66
5.3.00.0030.03713.70
5.2.170.0000.04311.20
5.2.160.0100.06011.07
5.2.150.0100.05711.20
5.2.140.0030.05011.11
5.2.130.0070.06011.14
5.2.120.0070.04311.16
5.2.110.0030.03311.09
5.2.100.0000.03011.14
5.2.90.0070.03710.99
5.2.80.0000.06711.05
5.2.70.0030.06311.25
5.2.60.0070.06311.09
5.2.50.0070.06310.90
5.2.40.0100.03711.14
5.2.30.0000.07010.97
5.2.20.0070.05711.03
5.2.10.0030.06010.91
5.2.00.0030.04310.59
5.1.60.0070.0279.98
5.1.50.0000.0309.98
5.1.40.0070.0239.88
5.1.30.0070.02310.48
5.1.20.0000.03010.31
5.1.10.0070.0539.97
5.1.00.0030.03710.09
5.0.50.0000.0278.58
5.0.40.0030.0308.58
5.0.30.0030.0378.58
5.0.20.0000.0478.58
5.0.10.0030.0478.58
5.0.00.0030.0678.58
4.4.90.0070.0278.58
4.4.80.0000.0378.58
4.4.70.0030.0138.58
4.4.60.0030.0338.58
4.4.50.0030.0338.58
4.4.40.0130.0438.58
4.4.30.0000.0208.58
4.4.20.0000.0338.58
4.4.10.0000.0338.58
4.4.00.0070.0338.58
4.3.110.0000.0378.58
4.3.100.0000.0208.58
4.3.90.0030.0238.58
4.3.80.0030.0538.58
4.3.70.0000.0378.58
4.3.60.0070.0308.58
4.3.50.0030.0178.58
4.3.40.0000.0278.58
4.3.30.0030.0208.58
4.3.20.0000.0238.58
4.3.10.0000.0408.58
4.3.00.0000.0408.58

preferences:
48.63 ms | 400 KiB | 5 Q