3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public ?int $var; } $a = new A(); var_dump(isset($a->var));

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)
8.4.120.0130.00420.66
8.4.110.0130.00622.46
8.4.100.0120.00917.77
8.4.90.0110.00918.44
8.4.80.0130.00619.63
8.4.70.0080.01117.97
8.4.60.0100.01018.91
8.4.50.0080.01318.67
8.4.40.0080.01217.70
8.4.30.0130.00718.77
8.4.20.0220.00018.07
8.4.10.0060.00319.57
8.3.250.0120.00818.92
8.3.240.0130.00616.57
8.3.230.0170.00316.52
8.3.220.0100.00817.14
8.3.210.0130.00518.44
8.3.200.0060.00316.57
8.3.190.0090.01017.25
8.3.180.0060.00216.73
8.3.170.0030.01420.59
8.3.160.0060.01317.11
8.3.150.0180.00017.16
8.3.140.0090.00916.38
8.3.130.0000.01916.55
8.3.120.0030.00618.61
8.3.110.0060.00320.94
8.3.100.0120.00324.06
8.3.90.0070.01126.77
8.3.80.0000.00819.36
8.3.70.0060.01318.43
8.3.60.0060.01218.56
8.3.50.0070.00824.52
8.3.40.0110.01118.57
8.3.30.0100.01018.76
8.3.20.0080.00024.18
8.3.10.0080.00024.66
8.3.00.0070.00026.16
8.2.290.0070.01220.34
8.2.280.0140.00418.70
8.2.270.0150.00317.07
8.2.260.0090.00918.20
8.2.250.0060.00316.65
8.2.240.0080.00019.13
8.2.230.0040.00422.58
8.2.220.0060.00937.54
8.2.210.0120.00626.77
8.2.200.0060.00318.88
8.2.190.0100.00716.58
8.2.180.0110.00425.92
8.2.170.0120.00418.96
8.2.160.0120.00622.96
8.2.150.0080.00025.66
8.2.140.0070.00024.66
8.2.130.0070.00026.16
8.2.120.0070.00026.35
8.2.110.0030.00619.39
8.2.100.0040.00817.80
8.2.90.0060.00319.23
8.2.80.0040.00417.97
8.2.70.0080.00017.25
8.2.60.0030.00617.50
8.2.50.0080.00018.05
8.2.40.0040.00417.92
8.2.30.0050.00218.07
8.2.20.0000.00717.99
8.2.10.0000.00719.06
8.2.00.0000.00719.29
8.1.330.0020.00721.96
8.1.320.0130.00616.27
8.1.310.0000.00818.38
8.1.300.0040.00418.63
8.1.290.0060.00330.84
8.1.280.0120.00325.92
8.1.270.0080.00023.99
8.1.260.0040.00428.09
8.1.250.0070.00028.09
8.1.240.0100.00022.64
8.1.230.0000.01117.83
8.1.220.0060.00317.78
8.1.210.0100.00018.77
8.1.200.0000.00917.22
8.1.190.0040.00417.10
8.1.180.0050.00518.10
8.1.170.0080.00018.47
8.1.160.0040.00418.86
8.1.150.0040.00418.70
8.1.140.0000.00818.84
8.1.130.0030.00320.08
8.1.120.0000.00717.41
8.1.110.0000.00817.29
8.1.100.0000.00717.30
8.1.90.0030.00517.28
8.1.80.0040.00417.41
8.1.70.0000.00817.41
8.1.60.0000.00717.56
8.1.50.0040.00417.48
8.1.40.0040.00417.36
8.1.30.0000.00717.57
8.1.20.0040.00417.48
8.1.10.0070.00017.47
8.1.00.0080.00017.56
8.0.300.0040.00418.77
8.0.290.0040.00416.58
8.0.280.0070.00018.44
8.0.270.0040.00417.95
8.0.260.0000.00718.35
8.0.250.0000.00816.77
8.0.240.0080.00016.79
8.0.230.0070.00016.89
8.0.220.0030.00616.82
8.0.210.0030.00316.72
8.0.200.0040.00416.91
8.0.190.0050.00316.76
8.0.180.0000.00716.89
8.0.170.0040.00416.73
8.0.160.0070.00016.88
8.0.150.0000.00816.78
8.0.140.0000.00716.75
8.0.130.0030.00313.22
8.0.120.0040.00416.77
8.0.110.0000.00716.77
8.0.100.0050.00216.61
8.0.90.0040.00416.75
8.0.80.0100.00816.84
8.0.70.0080.00016.62
8.0.60.0030.00516.68
8.0.50.0070.00016.89
8.0.30.0060.01217.02
8.0.20.0110.00816.84
8.0.10.0040.00316.93
8.0.00.0120.00616.57
7.4.330.0000.00515.55
7.4.320.0030.00316.47
7.4.300.0000.00616.56
7.4.290.0000.00716.51
7.4.280.0000.00916.34
7.4.270.0000.00716.44
7.4.260.0030.00313.28
7.4.250.0000.00716.39
7.4.240.0000.00716.59
7.4.230.0060.00016.53
7.4.220.0050.00316.52
7.4.210.0080.00916.54
7.4.200.0000.00716.35
7.4.130.0100.00716.44
7.4.120.0090.01216.44
7.4.110.0070.01016.50
7.4.100.0120.00616.46
7.4.90.0080.00816.48
7.4.80.0100.01319.39
7.4.70.0080.00916.34
7.4.60.0150.00816.30
7.4.50.0180.00216.20
7.4.40.0070.01416.36
7.4.30.0050.01616.17
7.4.20.0170.00616.28
7.4.10.0140.00716.42
7.4.00.0100.00616.33
7.3.330.0040.00416.04
7.3.320.0050.00013.14
7.3.310.0060.00016.24
7.3.300.0070.00016.21
7.3.290.0080.00616.15
7.3.260.0100.00716.18
7.3.240.0060.01116.33
7.3.230.0090.00616.38
7.3.210.0090.00916.36
7.3.200.0060.01016.15
7.3.190.0130.00916.12
7.3.180.0130.01216.13
7.3.170.0110.00716.22
7.3.160.0110.00716.22
7.3.150.0170.00416.19
7.3.140.0170.00616.06
7.3.130.0120.01016.26
7.3.120.0170.00616.17
7.3.110.0160.00616.29
7.3.100.0170.00416.13
7.3.90.0160.00616.21
7.3.80.0110.00816.15
7.3.70.0110.01116.09
7.3.60.0140.01116.11
7.3.50.0190.00616.01
7.3.40.0190.00616.12
7.3.30.0200.00316.14
7.3.20.0150.00516.22
7.3.10.0110.01015.91
7.3.00.0160.00616.21
7.2.330.0050.01516.42
7.2.320.0060.01316.34
7.2.310.0130.00916.38
7.2.300.0100.00916.24
7.2.290.0100.01416.28
7.2.280.0100.01116.31
7.2.270.0130.00916.34
7.2.260.0140.00816.39
7.2.250.0100.01316.19
7.2.240.0160.00516.33
7.2.230.0150.00816.22
7.2.220.0120.00816.28
7.2.210.0110.00816.25
7.2.200.0130.00816.23
7.2.190.0170.01016.38
7.2.180.0170.00816.31
7.2.170.0150.00816.20
7.2.160.0130.00816.36
7.2.150.0170.00816.17
7.2.140.0190.00516.16
7.2.130.0190.00516.30
7.2.120.0170.00516.27
7.2.110.0120.00816.30
7.2.100.0110.01116.33
7.2.90.0190.00616.23
7.2.80.0120.01016.20
7.2.70.0100.01216.43
7.2.60.0260.00716.24
7.2.50.0110.01016.10
7.2.40.0100.01116.18
7.2.30.0200.00616.13
7.2.20.0260.00816.17
7.2.10.0160.00616.19
7.2.00.0120.00916.29

preferences:
28.59 ms | 403 KiB | 5 Q