3v4l.org

run code in 300+ PHP versions simultaneously
<?php function factorial(&$number) { return $number*2; } $a=5; factorial($a); ?>

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)
8.3.40.0150.00618.75
8.3.30.0000.01518.88
8.3.20.0070.00020.07
8.3.10.0050.00320.54
8.3.00.0080.00017.23
8.2.170.0060.00822.96
8.2.160.0070.01020.47
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0050.00226.16
8.2.120.0040.00422.13
8.2.110.0000.00922.09
8.2.100.0040.00718.16
8.2.90.0040.00419.21
8.2.80.0060.00317.97
8.2.70.0040.00417.38
8.2.60.0030.00617.68
8.2.50.0040.00418.07
8.2.40.0030.00618.16
8.2.30.0040.00419.25
8.2.20.0060.00317.64
8.2.10.0040.00418.04
8.2.00.0050.00217.57
8.1.270.0080.00023.73
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0000.00923.88
8.1.230.0030.00719.09
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0050.00317.22
8.1.180.0050.00218.10
8.1.170.0060.00318.46
8.1.160.0040.00421.90
8.1.150.0050.00218.69
8.1.140.0090.00017.44
8.1.130.0000.00717.80
8.1.120.0000.00717.28
8.1.110.0000.00717.41
8.1.100.0000.00717.30
8.1.90.0070.00017.40
8.1.80.0000.00717.26
8.1.70.0030.00317.36
8.1.60.0030.00517.64
8.1.50.0030.00617.50
8.1.40.0050.00317.48
8.1.30.0040.00417.56
8.1.20.0040.00417.58
8.1.10.0000.00817.56
8.1.00.0000.00717.46
8.0.300.0050.00318.77
8.0.290.0050.00516.63
8.0.280.0070.00018.31
8.0.270.0030.00317.15
8.0.260.0030.00317.31
8.0.250.0000.00616.95
8.0.240.0000.00716.86
8.0.230.0000.00716.76
8.0.220.0040.00416.75
8.0.210.0030.00316.77
8.0.200.0070.00016.94
8.0.190.0050.00216.89
8.0.180.0040.00416.88
8.0.170.0040.00416.88
8.0.160.0030.00316.84
8.0.150.0000.00816.82
8.0.140.0100.00016.68
8.0.130.0030.00513.23
8.0.120.0040.00416.70
8.0.110.0000.00716.80
8.0.100.0000.00716.87
8.0.90.0070.00016.64
8.0.80.0150.00316.88
8.0.70.0040.00416.72
8.0.60.0000.00716.75
8.0.50.0000.00716.77
8.0.30.0110.00817.14
8.0.20.0120.00717.40
8.0.10.0070.00016.82
8.0.00.0060.01216.69
7.4.330.0020.00215.00
7.4.320.0000.00616.42
7.4.300.0000.00616.50
7.4.290.0050.00316.63
7.4.280.0060.00716.58
7.4.270.0030.00316.60
7.4.260.0000.00716.57
7.4.250.0080.00016.42
7.4.240.0020.00516.49
7.4.230.0070.00016.61
7.4.220.0090.00916.62
7.4.210.0000.01516.50
7.4.200.0030.00316.62
7.4.160.0140.00316.33
7.4.150.0130.00617.40
7.4.140.0130.00617.86
7.4.130.0100.00716.52
7.4.120.0050.01216.48
7.4.110.0000.01516.60
7.4.100.0050.01116.50
7.4.90.0100.00716.48
7.4.80.0130.01018.80
7.4.70.0060.01116.49
7.4.60.0070.01016.46
7.4.50.0040.00416.51
7.4.40.0100.00716.55
7.4.30.0100.00716.36
7.4.00.0090.01015.00
7.3.330.0030.00313.12
7.3.320.0080.00013.32
7.3.310.0040.00416.39
7.3.300.0030.00316.27
7.3.290.0060.00916.30
7.3.280.0100.00716.23
7.3.270.0000.01817.40
7.3.260.0100.00716.26
7.3.250.0070.00916.31
7.3.240.0030.01416.22
7.3.230.0120.00416.53
7.3.210.0080.00816.21
7.3.200.0090.01219.39
7.3.190.0070.01016.56
7.3.180.0100.00716.70
7.3.170.0140.00316.35
7.3.160.0090.00616.51
7.3.120.0080.01014.75
7.3.110.0070.01114.77
7.3.100.0080.00714.73
7.3.90.0060.00714.91
7.3.80.0060.00614.76
7.3.70.0080.00814.66
7.3.60.0100.00814.87
7.3.50.0110.00214.89
7.3.40.0040.00814.73
7.3.30.0050.01014.81
7.3.20.0050.01016.68
7.3.10.0060.01116.73
7.3.00.0070.00516.54
7.2.330.0090.00816.58
7.2.320.0060.01016.38
7.2.310.0100.00716.61
7.2.300.0090.00616.35
7.2.290.0070.01416.61
7.2.250.0090.00815.03
7.2.240.0090.00815.13
7.2.230.0030.00814.67
7.2.220.0090.00215.05
7.2.210.0050.00815.07
7.2.200.0070.00814.87
7.2.190.0080.00514.71
7.2.180.0050.00914.87
7.2.170.0060.00814.91
7.1.330.0070.00715.61
7.1.320.0070.00715.67
7.1.310.0030.01115.71
7.1.300.0060.00915.44
7.1.290.0090.00415.64
7.1.280.0080.00915.60
7.1.270.0060.00915.68
7.1.260.0030.00815.51
7.1.70.0000.00917.05
7.1.60.0030.00917.31
7.1.50.0040.01816.88
7.1.00.0030.07322.41
7.0.200.0060.01016.63
7.0.140.0070.07021.95
7.0.60.0030.04319.81
7.0.50.0000.07017.84
7.0.40.0070.04320.02
7.0.30.0270.04320.19
7.0.20.0200.04720.06
7.0.10.0100.08720.23
7.0.00.0100.06720.24
5.6.280.0070.07021.03
5.6.210.0070.08020.53
5.6.200.0030.05318.15
5.6.190.0070.08720.63
5.6.180.0470.08020.68
5.6.170.0230.06020.54
5.6.160.0130.07320.61
5.6.150.0070.04018.18
5.6.140.0030.04018.24
5.6.130.0030.04718.27
5.6.120.0000.09320.74
5.6.110.0030.04320.99
5.6.100.0030.08021.11
5.6.90.0170.04320.98
5.6.80.0130.07320.51
5.5.350.0170.09020.41
5.5.340.0070.08317.93
5.5.330.0100.06020.40
5.5.320.0230.04320.30
5.5.310.0330.06720.25
5.5.300.0100.04318.04
5.5.290.0100.08017.96
5.5.280.0030.05720.88
5.5.270.0130.07020.64
5.5.260.0030.08720.76
5.5.250.0070.04020.71
5.5.240.0230.07020.13
5.4.450.0730.05719.28
5.4.440.0070.06019.62
5.4.430.0230.05019.44
5.4.420.0230.04719.56
5.4.410.0170.05019.47
5.4.400.0200.06719.29
5.4.390.0170.05719.27
5.4.380.0270.05318.70
5.4.370.0300.06318.69
5.4.360.0200.06018.51
5.4.350.0370.05718.61
5.4.340.0770.05018.63
5.4.320.0080.03412.50
5.4.310.0030.04012.50
5.4.300.0050.04612.51
5.4.290.0080.03512.50
5.4.280.0050.04312.40
5.4.270.0070.04012.40
5.4.260.0070.03512.40
5.4.250.0050.03912.40
5.4.240.0040.03712.40
5.4.230.0060.03812.39
5.4.220.0090.03412.39
5.4.210.0050.03612.39
5.4.200.0070.03712.39
5.4.190.0050.03612.38
5.4.180.0080.03812.39
5.4.170.0030.03712.39
5.4.160.0060.03312.39
5.4.150.0060.03412.38
5.4.140.0080.04112.07
5.4.130.0070.03212.06
5.4.120.0060.03212.02
5.4.110.0060.03312.02
5.4.100.0060.03312.01
5.4.90.0050.03612.01
5.4.80.0070.04412.02
5.4.70.0050.03312.01
5.4.60.0050.03712.01
5.4.50.0060.03312.01
5.4.40.0060.03512.00
5.4.30.0060.03312.00
5.4.20.0040.03512.00
5.4.10.0070.03911.99
5.4.00.0020.03811.48
5.3.290.0060.04312.80
5.3.280.0060.03612.71
5.3.270.0100.03312.72
5.3.260.0070.03912.72
5.3.250.0090.03512.72
5.3.240.0070.03512.72
5.3.230.0050.03912.71
5.3.220.0060.03912.68
5.3.210.0050.03812.68
5.3.200.0040.03612.68
5.3.190.0070.03712.68
5.3.180.0060.03612.67
5.3.170.0080.03412.67
5.3.160.0050.03612.67
5.3.150.0080.03812.68
5.3.140.0050.03512.66
5.3.130.0040.04012.66
5.3.120.0060.03712.66
5.3.110.0060.04312.66
5.3.100.0080.03812.12
5.3.90.0070.03912.10
5.3.80.0040.03812.09
5.3.70.0070.03812.09
5.3.60.0070.03312.08
5.3.50.0090.03712.02
5.3.40.0070.03312.02
5.3.30.0060.03711.97
5.3.20.0050.03511.75
5.3.10.0070.05111.73
5.3.00.0060.03711.71
5.2.170.0030.0319.21
5.2.160.0030.0299.21
5.2.150.0040.0309.21
5.2.140.0030.0319.21
5.2.130.0060.0269.16
5.2.120.0040.0279.16
5.2.110.0040.0289.18
5.2.100.0060.0269.16
5.2.90.0040.0289.17
5.2.80.0040.0299.16
5.2.70.0040.0379.16
5.2.60.0030.0309.12
5.2.50.0080.0299.09
5.2.40.0040.0289.07
5.2.30.0070.0279.04
5.2.20.0040.0319.04
5.2.10.0050.0288.94
5.2.00.0040.0288.80
5.1.60.0030.0248.08
5.1.50.0060.0228.08
5.1.40.0030.0258.06
5.1.30.0060.0248.41
5.1.20.0050.0318.43
5.1.10.0050.0248.16
5.1.00.0040.0258.16
5.0.50.0030.0216.63
5.0.40.0020.0196.50
5.0.30.0030.0356.30
5.0.20.0030.0196.27
5.0.10.0040.0276.25
5.0.00.0020.0406.25
4.4.90.0040.0184.78
4.4.80.0010.0204.76
4.4.70.0040.0194.75
4.4.60.0010.0164.75
4.4.50.0010.0164.77
4.4.40.0010.0264.71
4.4.30.0040.0134.76
4.4.20.0040.0184.85
4.4.10.0040.0154.85
4.4.00.0020.0264.76
4.3.110.0010.0234.67
4.3.100.0050.0174.66
4.3.90.0030.0184.63
4.3.80.0040.0264.58
4.3.70.0040.0184.63
4.3.60.0100.0194.63
4.3.50.0030.0214.63
4.3.40.0020.0314.54
4.3.30.0020.0223.29
4.3.20.0000.0173.27
4.3.10.0020.0143.24
4.3.00.0130.02016.39

preferences:
84.79 ms | 400 KiB | 5 Q