3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = []; $c = $a[new stdclass] ?? "123"; var_dump($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)
8.5.30.0080.00920.70
8.5.20.0100.00619.36
8.5.10.0050.00516.82
8.5.00.0150.00720.15
8.4.180.0120.01019.70
8.4.170.0140.00720.57
8.4.160.0120.00822.31
8.4.150.0080.00416.86
8.4.140.0140.00817.87
8.4.130.0110.00717.92
8.4.120.0130.00824.10
8.4.110.0090.01122.34
8.4.100.0080.01218.45
8.4.90.0110.00618.69
8.4.80.0150.00918.58
8.4.70.0140.00617.78
8.4.60.0130.00918.47
8.4.50.0120.00817.77
8.4.40.0100.00719.64
8.4.30.0160.00318.08
8.4.20.0170.00019.73
8.4.10.0000.01117.74
8.3.300.0120.00820.70
8.3.290.0120.00920.74
8.3.280.0090.01218.49
8.3.270.0090.01016.47
8.3.260.0100.00616.57
8.3.250.0090.00018.67
8.3.240.0100.00917.29
8.3.230.0050.00416.59
8.3.220.0040.00418.90
8.3.210.0090.00916.63
8.3.200.0050.00616.57
8.3.190.0050.00318.90
8.3.180.0070.00316.61
8.3.170.0120.00618.96
8.3.160.0090.01016.75
8.3.150.0160.00320.54
8.3.140.0120.00616.59
8.3.130.0080.00018.25
8.3.120.0040.00418.67
8.3.110.0040.00420.94
8.3.100.0030.00616.48
8.3.90.0040.00426.77
8.3.80.0030.00616.82
8.3.70.0090.00616.63
8.3.60.0150.00416.50
8.3.50.0080.01018.06
8.3.40.0120.00318.68
8.3.30.0120.00618.84
8.3.20.0000.00721.90
8.3.10.0040.00423.51
8.3.00.0050.00321.86
8.2.300.0140.00622.11
8.2.290.0120.00720.31
8.2.280.0110.00818.38
8.2.270.0110.00717.14
8.2.260.0040.01120.11
8.2.250.0060.00316.53
8.2.240.0040.00417.04
8.2.230.0040.00422.58
8.2.220.0130.00724.06
8.2.210.0030.00626.77
8.2.200.0030.00616.63
8.2.190.0060.00916.63
8.2.180.0180.00025.92
8.2.170.0070.00722.96
8.2.160.0070.01119.20
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0080.00021.06
8.2.110.0070.00321.17
8.2.100.0070.00418.03
8.2.90.0050.00317.84
8.2.80.0090.00018.04
8.2.70.0040.00418.03
8.2.60.0050.00317.80
8.2.50.0030.00318.16
8.2.40.0000.00720.50
8.2.30.0000.00719.23
8.2.20.0040.00417.96
8.2.10.0030.00617.94
8.2.00.0040.00418.11
8.1.340.0110.00917.64
8.1.330.0120.00822.02
8.1.320.0100.01016.14
8.1.310.0100.00018.44
8.1.300.0060.01018.30
8.1.290.0060.00330.84
8.1.280.0110.00425.92
8.1.270.0040.00422.19
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0030.00620.27
8.1.230.0120.00022.63
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0090.00417.22
8.1.190.0040.00417.10
8.1.180.0050.00218.10
8.1.170.0050.00318.65
8.1.160.0040.00418.83
8.1.150.0070.00018.82
8.1.140.0000.00819.12
8.1.130.0020.00517.63
8.1.120.0070.00017.40
8.1.110.0070.00017.30
8.1.100.0040.00417.31
8.1.90.0040.00417.43
8.1.80.0040.00417.34
8.1.70.0060.00317.39
8.1.60.0000.00817.48
8.1.50.0040.00417.57
8.1.40.0070.00417.54
8.1.30.0030.00617.66
8.1.20.0000.00717.56
8.1.10.0040.00417.46
8.1.00.0040.00417.38
8.0.300.0040.00419.60
8.0.290.0040.00416.62
8.0.280.0030.00318.42
8.0.270.0030.00317.20
8.0.260.0030.00317.18
8.0.250.0070.00016.84
8.0.240.0040.00416.92
8.0.230.0000.00716.84
8.0.220.0070.00016.87
8.0.210.0000.00716.81
8.0.200.0000.00616.86
8.0.190.0040.00416.91
8.0.180.0000.00816.92
8.0.170.0000.00816.90
8.0.160.0030.00516.89
8.0.150.0070.00016.74
8.0.140.0000.00816.74
8.0.130.0060.00013.20
8.0.120.0000.00716.84
8.0.110.0040.00416.82
8.0.100.0000.00716.92
8.0.90.0000.00816.68
8.0.80.0090.01216.88
8.0.70.0040.00416.68
8.0.60.0030.00516.95
8.0.50.0040.00416.99
8.0.30.0130.00617.13
8.0.20.0100.01117.40
8.0.10.0000.00817.05
8.0.00.0080.01016.94
7.4.330.0050.00015.55
7.4.320.0000.00616.33
7.4.300.0000.00616.53
7.4.290.0000.00716.43
7.4.280.0050.00316.48
7.4.270.0040.00416.54
7.4.260.0080.00016.43
7.4.250.0000.00716.39
7.4.240.0000.00716.38
7.4.230.0040.00416.61
7.4.220.0000.00816.33
7.4.210.0060.01116.39
7.4.200.0000.00716.60
7.4.160.0090.00616.58
7.4.150.0060.01217.40
7.4.140.0090.01117.86
7.4.130.0070.01016.57
7.4.120.0090.01316.51
7.4.110.0140.00716.68
7.4.100.0170.00716.29
7.4.90.0130.00316.51
7.4.80.0120.01119.39
7.4.70.0120.00916.49
7.4.60.0070.01016.46
7.4.50.0000.01416.31
7.4.40.0060.01516.52
7.4.00.0000.01814.85
7.3.330.0060.00012.99
7.3.320.0060.00013.00
7.3.310.0000.00816.08
7.3.300.0030.00316.16
7.3.290.0060.00916.26
7.3.280.0090.00916.27
7.3.270.0140.00417.40
7.3.260.0050.01216.36
7.3.250.0100.00716.28
7.3.240.0070.01416.40
7.3.230.0080.01216.27
7.3.210.0160.00016.37
7.3.200.0100.00716.30
7.3.190.0070.01316.46
7.3.180.0180.00316.31
7.3.170.0030.01216.32
7.3.160.0060.00916.36
7.2.330.0100.00716.64
7.2.320.0100.01016.32
7.2.310.0080.00816.67
7.2.300.0060.00916.59
7.2.290.0060.01216.38
7.2.60.0030.00916.50
7.2.10.0290.01117.55
7.2.00.0180.01417.71
7.1.200.0070.00415.73
7.1.120.0250.00616.87
7.1.110.0250.00416.17
7.1.100.0220.00616.12
7.1.90.0260.00715.99
7.1.80.0220.00615.96
7.1.70.0230.01615.22
7.1.60.0460.00733.34
7.1.50.0330.01032.81
7.1.40.0260.01632.72
7.1.30.0340.00932.53
7.1.20.0310.01032.91
7.1.10.0140.01414.78
7.1.00.0300.01014.77

preferences:
45.23 ms | 1405 KiB | 5 Q