3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public string $foo; public ?string $foobar; public $bar = ''; } var_dump(get_class_vars(A::class)); var_dump(get_object_vars(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)
8.3.70.0070.01016.50
8.3.60.0060.01218.14
8.3.50.0180.00017.96
8.3.40.0060.00918.54
8.3.30.0140.00018.38
8.3.20.0000.00820.65
8.3.10.0040.00420.04
8.3.00.0070.00021.77
8.2.190.0120.00918.38
8.2.180.0070.00716.38
8.2.170.0070.01422.96
8.2.160.0150.00020.31
8.2.150.0060.00324.18
8.2.140.0050.00224.66
8.2.130.0080.00026.16
8.2.120.0000.00826.16
8.2.110.0100.00022.30
8.2.100.0030.00919.58
8.2.90.0030.00517.50
8.2.80.0080.00018.68
8.2.70.0030.00517.38
8.2.60.0040.00417.38
8.2.50.0040.00417.65
8.2.40.0030.00519.53
8.2.30.0040.00417.36
8.2.20.0040.00417.79
8.2.10.0000.00719.17
8.2.00.0000.00719.10
8.1.280.0000.01425.92
8.1.270.0080.00020.63
8.1.260.0080.00026.35
8.1.250.0070.00328.09
8.1.240.0060.00323.83
8.1.230.0110.00022.67
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0030.00517.11
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0040.00417.62
8.1.160.0040.00418.72
8.1.150.0040.00418.66
8.1.140.0040.00422.06
8.1.130.0050.00319.94
8.1.120.0000.00817.26
8.1.110.0000.00817.32
8.1.100.0080.00017.36
8.1.90.0000.00717.27
8.1.80.0000.00717.29
8.1.70.0000.00717.30
8.1.60.0050.00317.34
8.1.50.0040.00417.34
8.1.40.0050.00317.43
8.1.30.0040.00417.53
8.1.20.0060.00317.52
8.1.10.0000.00817.36
8.1.00.0040.00417.34
8.0.300.0070.00018.77
8.0.290.0040.00416.58
8.0.280.0030.00318.37
8.0.270.0000.00717.89
8.0.260.0030.00319.99
8.0.250.0070.00016.86
8.0.240.0060.00016.87
8.0.230.0000.00816.83
8.0.220.0030.00616.77
8.0.210.0050.00216.74
8.0.200.0030.00316.72
8.0.190.0040.00416.80
8.0.180.0040.00416.67
8.0.170.0030.00616.81
8.0.160.0030.00516.65
8.0.150.0040.00416.74
8.0.140.0080.00016.69
8.0.130.0080.00013.17
8.0.120.0030.00516.72
8.0.110.0000.00716.60
8.0.100.0040.00316.57
8.0.90.0060.00316.78
8.0.80.0060.01216.75
8.0.70.0040.00416.66
8.0.60.0040.00416.71
8.0.50.0080.00016.57
8.0.30.0030.01316.66
8.0.20.0170.01017.14
8.0.10.0060.00316.87
8.0.00.0120.00616.52
7.4.330.0020.00215.55
7.4.320.0070.00016.34
7.4.300.0030.00316.45
7.4.290.0040.00416.44
7.4.280.0000.00816.45
7.4.270.0030.00316.26
7.4.260.0050.00013.13
7.4.250.0000.00716.48
7.4.240.0020.00616.46
7.4.230.0040.00416.48
7.4.220.0040.00416.21
7.4.210.0030.01316.48
7.4.200.0030.00416.56
7.4.140.0180.00017.86
7.4.130.0090.00816.48
7.4.120.0090.00916.43
7.4.110.0100.00716.55
7.4.100.0170.00716.38
7.4.90.0150.00316.41
7.4.80.0100.00619.39
7.4.70.0090.00816.25
7.4.60.0070.01016.22
7.4.50.0040.01116.28
7.4.40.0150.00316.22
7.4.00.0050.00814.50
7.3.330.0050.00216.13
7.3.320.0050.00013.23
7.3.310.0030.00316.25
7.3.300.0070.00016.01
7.3.290.0000.00716.21
7.3.280.0040.01116.17
7.3.260.0110.00816.43
7.3.240.0070.00916.29
7.3.230.0070.01016.40
7.3.210.0110.01116.24
7.3.200.0100.00916.23
7.3.190.0060.01816.18
7.3.180.0110.01116.19
7.3.170.0120.00316.33
7.3.160.0130.00316.41
7.3.120.0060.00914.73
7.3.110.0130.00014.64
7.3.100.0090.00914.59
7.3.90.0100.00314.71
7.3.80.0050.01014.50
7.3.70.0100.00314.62
7.3.60.0140.00514.59
7.3.50.0130.00014.67
7.3.40.0110.00814.52
7.3.30.0030.01214.67
7.3.20.0150.00014.57
7.3.10.0100.00614.63
7.3.00.0000.01514.62
7.2.330.0070.01016.45
7.2.320.0130.01016.32
7.2.310.0030.01316.47
7.2.300.0130.00916.34
7.2.290.0060.01016.35
7.2.250.0030.01314.82
7.2.240.0000.01614.59
7.2.230.0090.01214.83
7.2.220.0060.00914.45
7.2.210.0060.00614.95
7.2.200.0030.01114.57
7.2.190.0050.01014.66
7.2.180.0030.01014.65
7.2.170.0160.00014.59
7.1.330.0090.00613.57
7.1.320.0040.01113.54
7.1.310.0060.00613.66
7.1.300.0110.00313.50
7.1.290.0040.00913.61
7.1.280.0150.00013.84
7.1.270.0090.00313.63
7.1.260.0140.00013.54

preferences:
17.22 ms | 401 KiB | 5 Q