3v4l.org

run code in 300+ PHP versions simultaneously
<?php class B { private $x = 'b'; } class C extends B { private $x = 'c'; } var_export((array)(new C));

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)
8.3.60.0090.00918.39
8.3.50.0000.01517.84
8.3.40.0100.00318.71
8.3.30.0040.01118.46
8.3.20.0040.00420.21
8.3.10.0090.00018.40
8.3.00.0000.00823.66
8.2.180.0130.00716.63
8.2.170.0130.00322.96
8.2.160.0100.00722.18
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0030.00620.57
8.2.120.0040.00426.35
8.2.110.0030.00621.14
8.2.100.0190.00017.65
8.2.90.0000.00818.91
8.2.80.0040.00417.97
8.2.70.0070.00317.38
8.2.60.0070.00017.91
8.2.50.0050.00318.10
8.2.40.0070.00020.48
8.2.30.0040.00419.02
8.2.20.0000.00817.92
8.2.10.0000.00717.73
8.2.00.0040.00417.91
8.1.280.0110.00725.92
8.1.270.0040.00422.14
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00622.13
8.1.230.0080.00417.67
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0070.00317.10
8.1.190.0050.00316.97
8.1.180.0000.00718.10
8.1.170.0040.00418.35
8.1.160.0080.00018.75
8.1.150.0000.00718.75
8.1.140.0030.00518.94
8.1.130.0000.00718.71
8.1.120.0000.00917.31
8.1.110.0070.00017.22
8.1.100.0030.00617.37
8.1.90.0000.00717.34
8.1.80.0040.00417.39
8.1.70.0060.00317.40
8.1.60.0000.00817.56
8.1.50.0030.00617.35
8.1.40.0050.00217.36
8.1.30.0000.00917.41
8.1.20.0000.00817.57
8.1.10.0050.00317.48
8.1.00.0000.01117.34
8.0.300.0040.00418.77
8.0.290.0030.00716.58
8.0.280.0030.00318.37
8.0.270.0000.00717.23
8.0.260.0000.00816.75
8.0.250.0000.00716.80
8.0.240.0030.00316.92
8.0.230.0030.00316.80
8.0.220.0000.00716.67
8.0.210.0000.00716.80
8.0.200.0030.00516.88
8.0.190.0000.00816.76
8.0.180.0000.00716.80
8.0.170.0030.00516.66
8.0.160.0040.00416.72
8.0.150.0090.00016.59
8.0.140.0030.00316.68
8.0.130.0000.00613.18
8.0.120.0040.00416.74
8.0.110.0040.00416.63
8.0.100.0080.00016.59
8.0.90.0030.00516.59
8.0.80.0100.00616.73
8.0.70.0050.00216.79
8.0.60.0050.00316.66
8.0.50.0040.00416.73
8.0.30.0100.01016.93
8.0.20.0090.01317.40
8.0.10.0070.00016.83
8.0.00.0120.00716.53
7.4.330.0050.00015.55
7.4.320.0060.00016.42
7.4.300.0030.00316.43
7.4.290.0050.00316.42
7.4.280.0060.00316.43
7.4.270.0020.00516.44
7.4.260.0030.00616.30
7.4.250.0000.00716.48
7.4.240.0040.00416.35
7.4.230.0040.00416.59
7.4.220.0050.01116.54
7.4.210.0070.00816.42
7.4.200.0090.00016.50
7.4.160.0050.01016.47
7.4.150.0130.00617.40
7.4.140.0150.00617.86
7.4.130.0090.01416.29
7.4.120.0110.00916.48
7.4.110.0110.00716.52
7.4.100.0090.01116.30
7.4.90.0090.00916.39
7.4.80.0060.01619.39
7.4.70.0090.00916.48
7.4.60.0090.00616.45
7.4.50.0120.00316.38
7.4.40.0000.01716.28
7.4.30.0060.01016.21
7.4.00.0060.00614.74
7.3.330.0000.00613.21
7.3.320.0000.00613.16
7.3.310.0000.00716.05
7.3.300.0030.00316.06
7.3.290.0060.00016.17
7.3.280.0100.00616.19
7.3.270.0070.01017.40
7.3.260.0090.01116.27
7.3.250.0080.01016.30
7.3.240.0070.01216.30
7.3.230.0090.00916.28
7.3.210.0090.00616.52
7.3.200.0070.01416.20
7.3.190.0090.00616.38
7.3.180.0110.00816.46
7.3.170.0100.01016.43
7.3.160.0080.00716.41
7.3.120.0110.00714.58
7.3.110.0090.00014.45
7.3.100.0090.00414.57
7.3.90.0040.01114.67
7.3.80.0110.00014.72
7.3.70.0000.01514.65
7.3.60.0060.00614.36
7.3.50.0110.00314.85
7.3.40.0030.00914.69
7.3.30.0000.01414.84
7.3.20.0140.00016.44
7.3.10.0100.00516.50
7.3.00.0070.00716.57
7.2.330.0070.00916.42
7.2.320.0080.00916.69
7.2.310.0030.01516.32
7.2.300.0030.01416.34
7.2.290.0120.00616.38
7.2.240.0100.00315.04
7.2.230.0040.00414.83
7.2.220.0000.01415.02
7.2.210.0040.01114.64
7.2.200.0100.00715.02
7.2.190.0070.00314.76
7.2.180.0060.00614.71
7.2.170.0000.01414.82
7.2.160.0060.00314.77
7.2.150.0150.00316.65
7.2.140.0100.00016.85
7.2.130.0080.00516.84
7.2.120.0090.00616.79
7.2.110.0050.00716.76
7.2.100.0030.01116.81
7.2.90.0080.01016.83
7.2.80.0070.00716.63
7.2.70.0100.00816.55
7.2.60.0160.00716.71
7.2.50.0090.01016.86
7.2.40.0080.01016.76
7.2.30.0070.01116.78
7.2.20.0100.01016.62
7.2.10.0050.01016.55
7.2.00.0080.00717.73
7.1.330.0050.00515.39
7.1.320.0080.00315.79
7.1.310.0030.01015.50
7.1.300.0070.01015.52
7.1.290.0030.01315.73
7.1.280.0060.00915.51
7.1.270.0040.01115.73
7.1.260.0090.00915.87
7.1.250.0060.00515.75
7.1.200.0000.01115.83
7.1.120.0030.00918.60
7.1.110.0070.00418.01
7.1.100.0000.01118.01
7.1.90.0000.01218.09
7.1.80.0070.00718.07
7.1.70.0040.00716.80
7.1.60.0070.01734.95
7.1.50.0160.00634.67
7.1.40.0260.00734.19
7.1.30.0180.01134.37
7.1.20.0220.00934.34
7.1.10.0040.00716.18
7.1.00.0000.01416.44

preferences:
66.56 ms | 400 KiB | 5 Q