3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1; $b = 2; $c = 3; $d = 4; $a ?? $b ?? $c ?? $d;

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)
8.3.70.0150.00316.23
8.3.60.0090.00916.38
8.3.50.0150.00322.05
8.3.40.0070.00718.85
8.3.30.0060.00918.55
8.3.20.0140.00020.16
8.3.10.0050.00323.65
8.3.00.0040.00419.79
8.2.190.0140.00318.42
8.2.180.0100.01018.25
8.2.170.0040.01122.96
8.2.160.0160.00320.52
8.2.150.0050.00324.18
8.2.140.0060.00324.66
8.2.130.0080.00019.30
8.2.120.0030.00526.35
8.2.110.0100.00720.52
8.2.100.0040.00817.93
8.2.90.0040.00419.08
8.2.80.0040.00417.97
8.2.70.0030.00617.25
8.2.60.0040.00417.88
8.2.50.0040.00418.07
8.2.40.0030.00720.57
8.2.30.0000.00720.61
8.2.20.0040.00417.59
8.2.10.0080.00017.97
8.2.00.0000.00717.91
8.1.280.0100.00725.92
8.1.270.0060.00320.38
8.1.260.0040.00428.09
8.1.250.0000.01028.09
8.1.240.0040.00422.20
8.1.230.0070.00417.77
8.1.220.0060.00317.74
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0030.00517.10
8.1.180.0050.00318.10
8.1.170.0040.00418.65
8.1.160.0080.00020.59
8.1.150.0000.00718.81
8.1.140.0080.00019.50
8.1.130.0030.00317.66
8.1.120.0040.00417.29
8.1.110.0050.00217.39
8.1.100.0000.00717.29
8.1.90.0000.00717.40
8.1.80.0080.00017.34
8.1.70.0040.00417.22
8.1.60.0040.00417.49
8.1.50.0040.00417.48
8.1.40.0080.00017.36
8.1.30.0040.00417.42
8.1.20.0000.00817.52
8.1.10.0030.00517.47
8.1.00.0000.00717.27
8.0.300.0050.00318.77
8.0.290.0070.00016.63
8.0.280.0030.00318.36
8.0.270.0030.00317.10
8.0.260.0000.00617.12
8.0.250.0060.00016.86
8.0.240.0070.00016.89
8.0.230.0060.00316.88
8.0.220.0000.00716.82
8.0.210.0050.00216.82
8.0.200.0060.00016.86
8.0.190.0000.00916.85
8.0.180.0000.00816.83
8.0.170.0000.00716.88
8.0.160.0040.00416.77
8.0.150.0000.00816.65
8.0.140.0090.00016.67
8.0.130.0000.00513.27
8.0.120.0080.00016.80
8.0.110.0040.00416.86
8.0.100.0050.00216.65
8.0.90.0030.00316.69
8.0.80.0060.01516.77
8.0.70.0050.00216.88
8.0.60.0040.00416.67
8.0.50.0040.00416.69
8.0.30.0080.00916.91
8.0.20.0090.01017.40
8.0.10.0070.00016.80
8.0.00.0120.00516.63
7.4.330.0050.00016.66
7.4.320.0030.00316.42
7.4.300.0060.00016.43
7.4.290.0000.00716.52
7.4.280.0040.00416.42
7.4.270.0030.00316.43
7.4.260.0030.00316.39
7.4.250.0040.00416.40
7.4.240.0020.00516.43
7.4.230.0030.00316.27
7.4.220.0090.00916.43
7.4.210.0140.00016.55
7.4.200.0000.00716.27
7.4.160.0070.00716.24
7.4.150.0120.00617.40
7.4.140.0050.01317.86
7.4.130.0080.01116.36
7.4.120.0110.01016.39
7.4.110.0090.01216.41
7.4.100.0070.01616.34
7.4.90.0080.00816.35
7.4.80.0120.00619.39
7.4.70.0120.00416.37
7.4.60.0130.00316.35
7.4.50.0000.01216.63
7.4.40.0090.00916.21
7.4.30.0070.01016.48
7.4.00.0050.01014.74
7.3.330.0020.00213.03
7.3.320.0000.00612.99
7.3.310.0000.00716.23
7.3.300.0050.00216.23
7.3.290.0080.00616.14
7.3.280.0070.01216.21
7.3.270.0130.01017.40
7.3.260.0070.01016.39
7.3.250.0120.00816.14
7.3.240.0110.00816.11
7.3.230.0090.00916.49
7.3.210.0120.00616.54
7.3.200.0080.00816.04
7.3.190.0070.01116.41
7.3.180.0030.01216.50
7.3.170.0090.00916.47
7.3.160.0030.01316.41
7.3.120.0100.01014.78
7.3.110.0120.00614.75
7.3.100.0000.01814.58
7.3.90.0030.01414.63
7.3.80.0080.00414.65
7.3.70.0040.01114.68
7.3.60.0040.01214.46
7.3.50.0060.00614.57
7.3.40.0080.00414.62
7.3.30.0030.00814.66
7.3.20.0040.01116.53
7.3.10.0070.00416.62
7.3.00.0060.00716.69
7.2.330.0070.01116.46
7.2.320.0180.00416.34
7.2.310.0000.01616.00
7.2.300.0030.01316.55
7.2.290.0140.00716.59
7.2.250.0070.01114.55
7.2.240.0120.00615.11
7.2.230.0100.00614.80
7.2.220.0070.01014.73
7.2.210.0120.00315.03
7.2.200.0080.00814.53
7.2.190.0030.00614.88
7.2.180.0030.01414.55
7.2.170.0120.00314.59
7.2.130.0080.00416.56
7.2.120.0040.01116.71
7.2.110.0080.00516.46
7.2.100.0090.00016.61
7.2.90.0080.00816.66
7.2.80.0080.00516.66
7.2.70.0060.00316.70
7.2.60.0070.00716.62
7.2.50.0060.00916.52
7.2.40.0090.00316.79
7.2.30.0030.01216.59
7.2.20.0030.00716.58
7.2.10.0040.01116.69
7.2.00.0090.00517.99
7.1.330.0060.00615.80
7.1.320.0100.00315.63
7.1.310.0030.01515.45
7.1.300.0060.00615.43
7.1.290.0040.01115.49
7.1.280.0090.00315.52
7.1.270.0070.00415.67
7.1.260.0030.01015.58
7.1.250.0030.00515.46
7.1.200.0060.00615.67
7.1.100.0030.00617.87
7.1.70.0090.00316.90
7.1.60.0090.01519.44
7.1.50.0170.00716.83
7.1.00.0070.07322.48
7.0.200.0030.00716.57
7.0.60.0030.04319.79
7.0.50.0070.08017.66
7.0.40.0100.08320.24
7.0.30.0270.06720.13
7.0.20.0430.07020.16
7.0.10.0030.09020.17
7.0.00.0130.07020.30
5.6.280.0070.04020.90
5.6.210.0170.05020.51
5.6.200.0070.07018.29
5.6.190.0100.05020.47
5.6.180.0200.06720.77
5.6.170.0300.06020.71
5.6.160.0170.05720.51
5.6.150.0000.05718.18
5.6.140.0070.03718.19
5.6.130.0100.07318.16
5.6.120.0070.05321.03
5.6.110.0000.05321.14
5.6.100.0100.06721.10
5.6.90.0000.08321.07
5.6.80.0100.04020.37
5.5.350.0100.08720.43
5.5.340.0070.04317.98
5.5.330.0200.06320.27
5.5.320.0570.06320.32
5.5.310.0270.04320.28
5.5.300.0230.06717.98
5.5.290.0030.04317.98
5.5.280.0070.07320.95
5.5.270.0100.06720.85
5.5.260.0100.06720.86
5.5.250.0100.07720.68
5.5.240.4370.04320.18

preferences:
54.48 ms | 401 KiB | 5 Q