3v4l.org

run code in 300+ PHP versions simultaneously
<?php class X {} function test(int $number = null):?X { return null; } echo test();

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)
8.3.40.0040.01118.68
8.3.30.0040.01118.60
8.3.20.0000.00720.04
8.3.10.0080.00021.83
8.3.00.0050.00323.64
8.2.170.0120.00322.96
8.2.160.0100.00320.27
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0060.00321.07
8.2.120.0000.00826.35
8.2.110.0040.00422.19
8.2.100.0090.00317.93
8.2.90.0000.00819.28
8.2.80.0080.00017.97
8.2.70.0000.00817.25
8.2.60.0000.00717.80
8.2.50.0000.00818.07
8.2.40.0100.00520.30
8.2.30.0050.00320.61
8.2.20.0050.00217.72
8.2.10.0000.00817.98
8.2.00.0000.00717.84
8.1.270.0100.00722.03
8.1.260.0040.00428.09
8.1.250.0070.00028.09
8.1.240.0060.00323.92
8.1.230.0080.00319.12
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0030.00617.10
8.1.190.0050.00317.10
8.1.180.0020.00518.10
8.1.170.0080.00018.57
8.1.160.0000.00720.54
8.1.150.0030.00518.75
8.1.140.0000.00819.40
8.1.130.0030.00317.61
8.1.120.0040.00417.30
8.1.110.0000.01017.32
8.1.100.0050.00317.36
8.1.90.0020.00517.36
8.1.80.0050.00217.29
8.1.70.0030.00317.21
8.1.60.0030.00617.54
8.1.50.0000.00817.34
8.1.40.0040.00417.41
8.1.30.0000.00817.61
8.1.20.0070.00017.54
8.1.10.0060.00317.44
8.1.00.0000.00717.40
8.0.300.0000.00818.77
8.0.290.0070.00016.58
8.0.280.0000.00718.42
8.0.270.0000.00817.19
8.0.260.0030.00317.18
8.0.250.0000.00716.77
8.0.240.0000.00716.84
8.0.230.0050.00516.80
8.0.220.0040.00416.71
8.0.210.0030.00316.63
8.0.200.0000.00616.86
8.0.190.0040.00416.89
8.0.180.0000.00816.82
8.0.170.0040.00416.82
8.0.160.0000.00716.75
8.0.150.0000.00816.55
8.0.140.0000.00816.67
8.0.130.0060.00013.19
8.0.120.0040.00416.73
8.0.110.0000.00716.67
8.0.100.0000.00716.81
8.0.90.0070.00016.71
8.0.80.0090.00616.78
8.0.70.0040.00416.75
8.0.60.0040.00416.82
8.0.50.0080.00016.79
8.0.30.0130.00716.85
8.0.20.0060.01417.40
8.0.10.0000.00716.81
8.0.00.0110.00616.75
7.4.330.0000.00516.75
7.4.320.0060.00016.36
7.4.300.0000.00616.43
7.4.290.0050.00216.35
7.4.280.0000.00916.55
7.4.270.0030.00316.32
7.4.260.0000.00716.52
7.4.250.0070.00016.41
7.4.240.0030.00316.31
7.4.230.0000.00816.41
7.4.220.0090.00916.39
7.4.210.0080.00616.54
7.4.200.0000.00716.50
7.4.160.0090.00616.34
7.4.150.0100.01017.40
7.4.140.0150.00517.86
7.4.130.0120.00816.42
7.4.120.0060.01416.43
7.4.110.0140.00316.45
7.4.100.0030.01716.55
7.4.90.0030.01616.58
7.4.80.0080.00819.39
7.4.70.0070.01116.35
7.4.60.0090.01216.52
7.4.50.0070.00716.07
7.4.40.0030.01316.71
7.4.30.0160.00616.52
7.4.10.0060.01316.36
7.4.00.0040.01516.20
7.3.330.0050.00013.21
7.3.320.0000.00513.11
7.3.310.0000.00716.12
7.3.300.0030.00316.14
7.3.290.0050.01016.20
7.3.280.0080.01016.18
7.3.270.0040.01317.40
7.3.260.0060.01016.41
7.3.250.0080.01016.32
7.3.240.0070.01116.39
7.3.230.0150.00316.52
7.3.210.0100.00616.14
7.3.200.0070.01416.21
7.3.190.0130.00916.29
7.3.180.0130.00316.31
7.3.170.0060.01216.38
7.3.160.0160.00016.35
7.3.130.0070.01316.26
7.3.120.0040.01516.40
7.3.110.0060.00616.25
7.3.100.0040.01216.35
7.3.90.0030.01316.21
7.3.80.0060.00916.18
7.3.70.0080.00816.14
7.3.60.0030.01016.24
7.3.50.0070.00716.23
7.3.40.0030.00716.40
7.3.30.0040.01116.41
7.3.20.0100.00718.06
7.3.10.0080.00418.29
7.3.00.0080.00617.99
7.2.330.0090.00916.38
7.2.320.0090.00916.60
7.2.310.0000.01616.65
7.2.300.0100.01316.63
7.2.290.0100.01116.53
7.2.260.0070.00716.60
7.2.250.0030.01416.33
7.2.240.0070.01016.18
7.2.230.0100.00316.54
7.2.220.0070.01016.20
7.2.210.0070.00716.31
7.2.200.0120.00616.59
7.2.190.0070.00716.53
7.2.180.0060.00916.23
7.2.170.0060.00616.50
7.2.160.0060.00616.51
7.2.150.0030.00718.27
7.2.140.0130.00318.45
7.2.130.0070.01018.36
7.2.120.0120.00618.26
7.2.110.0060.00618.34
7.2.100.0000.01718.25
7.2.90.0130.00318.38
7.2.80.0030.01518.43
7.2.70.0110.00418.30
7.2.60.0030.01518.16
7.2.50.0060.01018.29
7.2.40.0030.00918.14
7.2.30.0070.00318.29
7.2.20.0060.01318.20
7.2.10.0060.00818.16
7.2.00.0060.01218.43
7.1.330.0070.01017.15
7.1.320.0090.00017.19
7.1.310.0070.00717.29
7.1.300.0030.00717.40
7.1.290.0060.00917.33
7.1.280.0070.01017.22
7.1.270.0030.00617.14
7.1.260.0060.00617.22
7.1.250.0060.00317.13
7.1.240.0000.01017.34
7.1.230.0000.01017.12
7.1.220.0060.00617.27
7.1.210.0070.00717.15
7.1.200.0040.01116.99
7.1.190.0040.00817.23
7.1.180.0070.01017.23
7.1.170.0040.01217.25
7.1.160.0030.01317.09
7.1.150.0040.01117.15
7.1.140.0090.00617.06
7.1.130.0050.01317.21
7.1.120.0070.00717.02
7.1.110.0100.00717.23
7.1.100.0100.00616.87
7.1.90.0040.00717.20
7.1.80.0070.00717.18
7.1.70.0080.00317.19
7.1.60.0000.01017.25
7.1.50.0090.00617.25
7.1.40.0030.01217.31
7.1.30.0040.00817.18
7.1.20.0060.00317.21
7.1.10.0040.01117.24
7.1.00.0030.04119.86
7.0.330.0000.01416.78
7.0.320.0030.01016.75
7.0.310.0080.00816.75
7.0.300.0100.00316.90
7.0.290.0030.00616.80
7.0.280.0000.01416.69
7.0.270.0000.01316.70
7.0.260.0040.00816.75
7.0.250.0070.00716.69
7.0.240.0100.00316.70
7.0.230.0040.00416.76
7.0.220.0100.00616.74
7.0.210.0070.01116.77
7.0.200.0030.00616.78
7.0.190.0070.00416.93
7.0.180.0120.00416.86
7.0.170.0070.00716.80
7.0.160.0000.00916.66
7.0.150.0060.00916.70
7.0.140.0130.00016.96
7.0.130.0070.00716.72
7.0.120.0110.00416.96
7.0.110.0030.01316.93
7.0.100.0000.01116.85
7.0.90.0070.00717.04
7.0.80.0080.00616.68
7.0.70.0030.01316.82
7.0.60.0100.00316.82
7.0.50.0030.00616.79
7.0.40.0050.00814.75
7.0.30.0070.01014.84
7.0.20.0040.00814.82
7.0.10.0040.00814.91
7.0.00.0130.02517.50
5.6.400.0060.00915.42
5.6.390.0000.01215.80
5.6.380.0040.01115.64
5.6.370.0090.00615.40
5.6.360.0040.00715.88
5.6.350.0070.01115.73
5.6.340.0060.00915.71
5.6.330.0030.00915.37
5.6.320.0100.00315.62
5.6.310.0070.00715.56
5.6.300.0090.00615.78
5.6.290.0100.00315.66
5.6.280.0070.01016.05
5.6.270.0000.01715.66
5.6.260.0030.01315.59
5.6.250.0030.00915.59
5.6.240.0060.00615.86
5.6.230.0070.00315.61
5.6.220.0030.01315.46
5.6.210.0110.00415.75
5.6.200.0070.00715.61
5.6.190.0030.01615.65
5.6.180.0070.00715.75
5.6.170.0130.00315.46
5.6.160.0050.03517.95
5.6.150.0020.05416.82
5.6.140.0050.04716.79
5.6.130.0020.02617.03
5.6.120.0120.04018.34
5.6.110.0030.04118.29
5.6.100.0130.03018.28
5.6.90.0100.04218.27
5.6.80.0110.03718.09
5.6.70.0030.01115.56
5.6.60.0030.01015.40
5.6.50.0030.01015.44
5.6.40.0090.00615.50
5.6.30.0060.00915.47
5.6.20.0070.00715.46
5.6.10.0130.00015.49
5.6.00.0060.00615.44
5.5.380.0030.01215.47
5.5.370.0060.00615.61
5.5.360.0110.00715.51
5.5.350.0030.01315.64
5.5.340.0090.00015.42
5.5.330.0030.01715.52
5.5.320.0100.00715.34
5.5.310.0070.01115.41
5.5.300.0110.03616.71
5.5.290.0070.02416.74
5.5.280.0030.03618.12
5.5.270.0070.03818.04
5.5.260.0050.03518.20
5.5.250.0020.04618.09
5.5.240.0150.03717.82
5.5.230.0040.01115.56
5.5.220.0000.01515.47
5.5.210.0090.00015.25
5.5.200.0030.00915.23
5.5.190.0060.00915.54
5.5.180.0090.00615.45
5.5.170.0040.01115.20
5.5.160.0030.01015.21
5.5.150.0040.00715.37
5.5.140.0030.00915.30
5.5.130.0060.00615.16
5.5.120.0000.01115.21
5.5.110.0090.00615.42
5.5.100.0030.00615.31
5.5.90.0000.01015.25
5.5.80.0060.00315.48
5.5.70.0070.00715.04
5.5.60.0040.00415.19
5.5.50.0090.00315.49
5.5.40.0090.00315.08
5.5.30.0110.00415.55
5.5.20.0060.00915.55
5.5.10.0060.00315.14
5.5.00.0030.00715.18

preferences:
57.25 ms | 400 KiB | 5 Q