3v4l.org

run code in 500+ PHP versions simultaneously
<?php class A { public int $b; public ?int $c; public ?int $d = null; } var_dump((array) new 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)
8.5.30.0070.01019.51
8.5.20.0060.01219.41
8.5.10.0130.00516.52
8.5.00.0130.00819.93
8.4.180.0100.01125.46
8.4.170.0100.01223.88
8.4.160.0110.01223.85
8.4.150.0080.00516.70
8.4.140.0150.00617.41
8.4.130.0130.00817.63
8.4.120.0130.00618.73
8.4.110.0100.01018.75
8.4.100.0170.00317.76
8.4.90.0090.01120.38
8.4.80.0110.00924.43
8.4.70.0080.00918.75
8.4.60.0110.00922.40
8.4.50.0110.00918.32
8.4.40.0040.00419.10
8.4.30.0090.00918.41
8.4.20.0080.00824.21
8.4.10.0040.01219.31
8.3.300.0090.01022.70
8.3.290.0130.00818.16
8.3.280.0130.00718.44
8.3.270.0130.00716.74
8.3.260.0090.01116.49
8.3.250.0120.00718.59
8.3.240.0110.00817.27
8.3.230.0040.00316.40
8.3.220.0110.00518.76
8.3.210.0090.00918.37
8.3.200.0030.00616.65
8.3.190.0110.00717.21
8.3.180.0080.01218.86
8.3.170.0150.00317.14
8.3.160.0070.00718.79
8.3.150.0060.01317.17
8.3.140.0110.00716.46
8.3.130.0040.00416.53
8.3.120.0060.00319.02
8.3.110.0040.01816.41
8.3.100.0030.00716.49
8.3.90.0060.00326.77
8.3.80.0040.00416.63
8.3.70.0110.00416.75
8.3.60.0120.00318.43
8.3.50.0100.00717.18
8.3.40.0090.00618.58
8.3.30.0040.01118.52
8.3.20.0070.00021.86
8.3.10.0030.00621.78
8.3.00.0000.00823.48
8.2.300.0090.01217.99
8.2.290.0120.00717.06
8.2.280.0030.00620.11
8.2.270.0100.01016.44
8.2.260.0120.00616.87
8.2.250.0060.00318.57
8.2.240.0080.00018.44
8.2.230.0000.00820.94
8.2.220.0060.00324.06
8.2.210.0000.00826.77
8.2.200.0110.00018.29
8.2.190.0090.00918.29
8.2.180.0090.00625.92
8.2.170.0040.01122.96
8.2.160.0110.00420.33
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0050.00226.16
8.2.120.0000.00726.16
8.2.110.0090.00622.26
8.2.100.0120.00017.66
8.2.90.0050.00317.97
8.2.80.0030.00617.97
8.2.70.0080.00017.68
8.2.60.0030.00518.09
8.2.50.0040.00418.10
8.2.40.0040.00420.65
8.2.30.0000.00819.14
8.2.20.0040.00417.92
8.2.10.0000.00719.30
8.2.00.0080.00019.01
8.1.340.0080.01317.46
8.1.330.0130.00616.18
8.1.320.0080.01017.99
8.1.310.0030.00616.46
8.1.300.0040.00716.10
8.1.290.0090.00030.84
8.1.280.0070.01025.92
8.1.270.0070.00023.97
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00022.25
8.1.230.0110.00022.75
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00717.10
8.1.190.0080.00017.11
8.1.180.0030.00518.10
8.1.170.0030.00618.51
8.1.160.0080.00018.75
8.1.150.0080.00018.64
8.1.140.0080.00018.67
8.1.130.0030.00320.05
8.1.120.0040.00417.34
8.1.110.0020.00517.25
8.1.100.0000.00717.32
8.1.90.0000.00717.43
8.1.80.0030.00517.34
8.1.70.0000.00817.40
8.1.60.0040.00417.50
8.1.50.0000.00817.46
8.1.40.0000.00817.34
8.1.30.0050.00317.47
8.1.20.0040.00417.57
8.1.10.0040.00417.34
8.1.00.0000.00717.26
8.0.300.0040.00419.36
8.0.290.0060.00316.63
8.0.280.0070.00018.38
8.0.270.0070.00017.18
8.0.260.0030.00318.29
8.0.250.0030.00316.89
8.0.240.0060.00016.84
8.0.230.0000.00816.79
8.0.220.0000.00616.68
8.0.210.0000.00816.66
8.0.200.0040.00416.86
8.0.190.0000.00716.81
8.0.180.0000.00716.77
8.0.170.0000.00816.66
8.0.160.0040.00416.65
8.0.150.0000.00716.70
8.0.140.0030.00316.72
8.0.130.0000.00513.14
8.0.120.0050.00216.75
8.0.110.0050.00316.53
8.0.100.0080.00016.55
8.0.90.0030.00516.68
8.0.80.0030.01216.70
8.0.70.0040.00416.79
8.0.60.0040.00416.66
8.0.50.0030.00516.79
8.0.30.0160.00817.00
8.0.20.0150.00316.87
8.0.10.0040.00416.96
8.0.00.0110.00716.51
7.4.330.0000.00515.55
7.4.320.0070.00016.45
7.4.300.0000.00616.57
7.4.290.0060.00316.31
7.4.280.0040.00416.40
7.4.270.0030.00316.48
7.4.260.0000.00716.44
7.4.250.0050.00216.53
7.4.240.0020.00516.49
7.4.230.0040.00416.59
7.4.220.0050.00316.35
7.4.210.0020.01416.48
7.4.200.0040.00416.27
7.4.160.0110.00616.42
7.4.130.0070.01316.58
7.4.120.0090.01516.42
7.4.110.0130.00316.48
7.4.100.0030.01516.48
7.4.90.0120.00616.49
7.4.80.0070.01119.39
7.4.70.0100.00616.37
7.4.60.0100.00716.40
7.4.50.0100.00316.15
7.4.40.0130.00316.32
7.4.10.0100.00715.06
7.4.00.0080.00714.70
7.3.330.0050.00013.01
7.3.320.0050.00012.99
7.3.310.0000.00716.25
7.3.300.0000.00616.01
7.3.290.0000.00915.95
7.3.280.0060.00916.11
7.3.260.0100.00816.24
7.3.240.0100.01016.25
7.3.230.0090.00616.26
7.3.210.0110.00516.47
7.3.200.0140.00716.11
7.3.190.0130.00316.24
7.3.180.0100.00616.27
7.3.170.0100.00616.16
7.3.160.0130.00716.22
7.3.130.0040.01514.55
7.3.120.0060.00914.73
7.3.110.0090.00814.57
7.3.100.0080.01214.66
7.3.90.0040.01314.71
7.3.80.0110.00414.63
7.3.70.0110.00514.70
7.3.60.0100.00714.57
7.3.50.0080.00814.59
7.3.40.0070.00714.64
7.3.30.0060.00814.63
7.3.20.0060.00915.87
7.3.10.0060.00815.71
7.3.00.0060.00815.67
7.2.330.0120.00916.58
7.2.320.0160.01316.12
7.2.310.0100.00716.15
7.2.300.0110.00516.47
7.2.290.0120.00516.26
7.2.260.0090.00914.72
7.2.250.0080.00914.65
7.2.240.0070.01014.74
7.2.230.0030.01214.73
7.2.220.0130.00614.77
7.2.210.0090.01114.69
7.2.200.0090.01014.55
7.2.190.0040.01214.70
7.2.180.0040.01114.76
7.2.170.0090.00814.73
7.2.160.0090.00514.87
7.2.150.0070.00715.97
7.2.140.0080.00815.82
7.2.130.0080.00715.86
7.2.120.0060.00816.08
7.2.110.0080.01015.97
7.2.100.0050.00816.03
7.2.90.0040.01016.18
7.2.80.0130.00416.08
7.2.70.0060.00816.10
7.2.60.0110.00616.01
7.2.50.0070.00616.04
7.2.40.0070.01016.09
7.2.30.0080.00516.03
7.2.20.0090.00716.10
7.2.10.0060.00615.93
7.2.00.0060.00816.13
7.1.330.0250.00013.54
7.1.320.0140.01013.43
7.1.310.0250.00413.62
7.1.300.0100.00814.53
7.1.290.0080.00914.46
7.1.280.0070.00814.60
7.1.270.0090.00514.55
7.1.260.0070.01114.55
7.1.250.0100.00614.51
7.1.240.0110.00313.59
7.1.230.0140.00313.77
7.1.220.0040.01013.49
7.1.210.0070.00713.77
7.1.200.0120.00313.73
7.1.190.0090.00613.69
7.1.180.0050.01013.58
7.1.170.0100.00313.56
7.1.160.0090.00913.48
7.1.150.0080.00913.57
7.1.140.0090.01013.75
7.1.130.0210.00513.62
7.1.120.0040.01613.70
7.1.110.0120.00613.68
7.1.100.0100.00713.80
7.1.90.0110.01413.68
7.1.80.0160.00513.50
7.1.70.0170.00213.61
7.1.60.0260.00613.42
7.1.50.0110.00713.54
7.1.40.0180.00413.38
7.1.30.0080.00913.52
7.1.20.0100.01313.68
7.1.10.0200.00613.25
7.1.00.0110.01313.74

preferences:
60.78 ms | 1618 KiB | 5 Q