3v4l.org

run code in 300+ PHP versions simultaneously
<?php function nek($i) { if ($i <= 1) { echo "1 = "; return 1; } echo "$i * "; return $i * nek($i--); } echo nek(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)
8.3.60.0270.00718.30
8.3.50.0210.01321.92
8.3.40.0260.01019.71
8.3.30.0180.00719.72
8.3.20.0070.00719.78
8.3.10.0100.00321.05
8.3.00.0130.00023.51
8.2.180.0210.00318.04
8.2.170.0170.02122.96
8.2.160.0140.01021.52
8.2.150.0150.00025.66
8.2.140.0100.00324.66
8.2.130.0080.00426.16
8.2.120.0130.00020.96
8.2.110.0070.01021.36
8.2.100.0070.01318.91
8.2.90.0030.00720.23
8.2.80.0070.00419.04
8.2.70.0110.00018.75
8.2.60.0140.00019.03
8.2.50.0040.00819.21
8.2.40.0060.00619.13
8.2.30.0060.00621.91
8.2.20.0070.00418.76
8.2.10.0060.00618.90
8.2.00.0030.00718.86
8.1.280.0230.00625.92
8.1.270.0070.00723.99
8.1.260.0240.00326.35
8.1.250.0070.00728.09
8.1.240.0130.00322.48
8.1.230.0100.01022.22
8.1.220.0080.00418.77
8.1.210.0080.00320.16
8.1.200.0090.00318.50
8.1.190.0110.00018.54
8.1.180.0060.00618.30
8.1.170.0100.00019.63
8.1.160.0080.00419.76
8.1.150.0070.00319.73
8.1.140.0080.00418.72
8.1.130.0000.00918.96
8.1.120.0030.00618.49
8.1.110.0070.00418.39
8.1.100.0090.00318.54
8.1.90.0030.00718.52
8.1.80.0040.00718.38
8.1.70.0000.01118.40
8.1.60.0070.00318.56
8.1.50.0070.00318.59
8.1.40.0100.00018.58
8.1.30.0120.00018.73
8.1.20.0090.00318.70
8.1.10.0070.00418.61
8.1.00.0150.00018.54
8.0.300.0050.00520.93
8.0.290.0000.01018.18
8.0.280.0110.00019.32
8.0.270.0000.01018.08
8.0.260.0100.00017.70
8.0.250.0070.00317.85
8.0.240.0120.00017.77
8.0.230.0030.00617.92
8.0.220.0100.00017.86
8.0.210.0040.00717.88
8.0.200.0030.00717.88
8.0.190.0030.00817.83
8.0.180.0000.01217.82
8.0.170.0050.00517.95
8.0.160.0080.00317.75
8.0.150.0090.00417.84
8.0.140.0070.00317.70
8.0.130.0050.00514.34
8.0.120.0080.00417.86
8.0.110.0070.00417.83
8.0.100.0100.00017.63
8.0.90.0070.00317.81
8.0.80.0210.01418.32
8.0.70.0100.00017.85
8.0.60.0070.00317.69
8.0.50.0080.00417.75
8.0.30.0460.01618.07
8.0.20.0170.03418.04
8.0.10.0080.00417.97
8.0.00.0200.02817.72
7.4.330.0080.00314.53
7.4.320.0030.00617.36
7.4.300.0040.00417.41
7.4.290.0080.00417.36
7.4.280.0160.00017.39
7.4.270.0060.00317.55
7.4.260.0050.00514.25
7.4.250.0120.00017.44
7.4.240.0060.00317.34
7.4.230.0070.00317.20
7.4.220.0190.02517.52
7.4.210.0140.01617.72
7.4.200.0070.00317.32
7.4.190.0070.00417.32
7.4.160.0210.02117.49
7.4.150.0260.02017.46
7.4.140.0510.01217.86
7.4.130.0200.02917.31
7.4.120.0350.01017.57
7.4.110.0320.01317.52
7.4.100.0280.01817.71
7.4.90.0270.01717.67
7.4.80.0190.01919.37
7.4.70.0190.01617.64
7.4.60.0200.01717.76
7.4.50.0040.01117.43
7.4.40.0170.01422.27
7.4.30.0300.00817.71
7.3.330.0000.00814.40
7.3.320.0060.00314.42
7.3.310.0030.00717.18
7.3.300.0080.00317.30
7.3.290.0260.01317.27
7.3.280.0190.01817.69
7.3.270.0430.01617.53
7.3.260.0270.01418.24
7.3.250.0390.01917.53
7.3.240.0230.02317.87
7.3.230.0260.01717.50
7.3.210.0380.01817.36
7.3.200.0210.02619.39
7.3.190.0260.01117.55
7.3.180.0220.01617.56
7.3.170.0320.01017.59
7.3.160.0180.02417.82
7.2.330.0280.02517.40
7.2.320.0160.01917.70
7.2.310.0290.02317.48
7.2.300.0230.01417.75
7.2.290.0160.01917.84
7.2.100.1850.00615.70
7.2.90.1100.00615.37
7.2.80.0490.00415.40
7.2.70.1130.00815.89
7.2.60.0950.00915.83
7.2.50.0680.01316.12
7.2.40.1120.00015.96
7.2.30.0560.02315.88
7.2.20.0940.01915.72
7.2.10.1850.01316.39
7.2.00.1010.01915.82
7.1.220.2010.01615.01
7.1.210.0920.01414.61
7.1.200.1040.00715.27
7.1.190.0610.01014.96
7.1.180.1920.00715.18
7.1.170.1720.01615.42
7.1.160.1040.00615.09
7.1.150.0990.01314.75
7.1.140.1030.01614.81
7.1.130.0980.01314.98
7.1.120.1010.00714.95
7.1.110.1650.01014.77
7.1.100.1110.01014.65
7.1.90.1230.00714.56
7.1.80.1520.00614.66
7.1.70.1130.00714.77
7.1.60.0570.00432.79
7.1.50.1290.01733.36
7.1.40.1350.01733.05
7.1.30.1280.01433.18
7.1.20.1150.01233.40
7.1.10.1800.01414.95
7.1.00.1880.01615.10
7.0.310.1970.01214.60
7.0.300.0810.01014.70
7.0.290.1920.00914.73
7.0.280.1510.00314.85
7.0.270.1150.01614.36
7.0.260.0860.02014.65
7.0.250.2420.00714.91
7.0.240.1720.02614.93
7.0.230.1050.00914.73
7.0.220.1340.01014.54
7.0.210.2320.00314.41
7.0.200.1030.01514.39
7.0.190.1030.01514.42
7.0.180.1170.01014.60
7.0.170.1040.01614.84
7.0.160.1100.00314.68
7.0.150.2370.01014.80
7.0.140.1920.02315.01
7.0.130.1320.00914.34
7.0.120.2100.01314.76
7.0.110.1220.01214.74
7.0.100.1350.01414.52
7.0.90.1300.01614.64
7.0.80.0910.01914.87
7.0.70.1480.01314.60
7.0.60.0990.01614.61
7.0.50.0280.00614.53
7.0.40.0990.02014.69
7.0.30.1380.00714.39
7.0.20.0600.01814.98
7.0.10.0660.01714.95
7.0.00.0200.01814.83
5.6.380.0260.01016.86
5.6.370.0280.01417.40
5.6.360.0220.01516.91
5.6.350.0160.02016.77
5.6.340.0270.01718.70
5.6.330.0210.01916.83
5.6.320.0340.01618.54
5.6.310.0280.01717.28
5.6.300.0290.01116.90
5.6.290.0170.02016.91
5.6.280.0290.01316.95
5.6.270.0130.01917.12
5.6.260.0130.02317.16
5.6.250.0200.01817.02
5.6.240.0150.02516.93
5.6.230.0210.01216.95
5.6.220.0180.01516.66
5.6.210.0300.00717.32
5.6.200.0300.01016.73
5.6.190.0270.02116.78
5.6.180.0330.00916.79
5.6.170.0270.01617.61
5.6.160.0310.00817.67
5.6.150.0240.01417.04
5.6.140.0210.02117.19
5.6.130.0300.01918.29
5.5.380.0170.02214.07
5.5.370.0200.01713.59
5.5.360.0530.02118.46
5.5.350.0280.00613.66
5.5.340.0200.01013.76
5.5.330.0230.01513.85
5.5.320.0230.01315.16
5.5.310.0240.01214.21
5.5.300.0190.02113.98

preferences:
35.08 ms | 401 KiB | 5 Q