3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [1,2,3]; var_dump($array[4]??'notdefined'); var_dump($array[1]??'notdefined');

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)
8.3.60.0130.00618.30
8.3.50.0070.01016.13
8.3.40.0040.01118.84
8.3.30.0110.00318.52
8.3.20.0080.00024.18
8.3.10.0040.00424.66
8.3.00.0000.00826.16
8.2.180.0150.00625.92
8.2.170.0110.00722.96
8.2.160.0040.00922.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0000.00826.35
8.2.110.0060.00320.45
8.2.100.0080.00419.57
8.2.90.0000.00817.75
8.2.80.0040.00418.79
8.2.70.0120.00017.47
8.2.60.0040.00418.04
8.2.50.0040.00418.05
8.2.40.0060.00319.95
8.2.30.0040.00418.10
8.2.20.0030.00517.91
8.2.10.0050.00219.16
8.2.00.0030.00519.16
8.1.280.0130.00725.92
8.1.270.0040.00423.99
8.1.260.0040.00428.09
8.1.250.0070.00028.09
8.1.240.0060.00323.91
8.1.230.0080.00420.85
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0060.00317.25
8.1.190.0040.00417.10
8.1.180.0030.00618.10
8.1.170.0080.00018.34
8.1.160.0070.00019.06
8.1.150.0000.00718.85
8.1.140.0070.00018.67
8.1.130.0000.00719.98
8.1.120.0050.00217.41
8.1.110.0040.00417.40
8.1.100.0000.00717.21
8.1.90.0070.00017.42
8.1.80.0060.00317.46
8.1.70.0040.00417.38
8.1.60.0040.00417.62
8.1.50.0000.00817.40
8.1.40.0070.00317.51
8.1.30.0040.00417.68
8.1.20.0060.00317.58
8.1.10.0040.00417.39
8.1.00.0000.00817.45
8.0.300.0080.00018.77
8.0.290.0040.00416.74
8.0.280.0080.00018.37
8.0.270.0030.00317.84
8.0.260.0070.00018.36
8.0.250.0030.00316.78
8.0.240.0060.00016.77
8.0.230.0030.00316.86
8.0.220.0030.00416.79
8.0.210.0030.00316.75
8.0.200.0040.00416.89
8.0.190.0000.00716.81
8.0.180.0040.00416.88
8.0.170.0040.00416.72
8.0.160.0050.00216.80
8.0.150.0000.00816.85
8.0.140.0050.00316.73
8.0.130.0050.00013.17
8.0.120.0060.00316.67
8.0.110.0020.00516.82
8.0.100.0050.00216.79
8.0.90.0000.00716.76
8.0.80.0080.01016.71
8.0.70.0000.00716.64
8.0.60.0070.00016.88
8.0.50.0040.00416.77
8.0.30.0100.01016.80
8.0.20.0120.01216.88
8.0.10.0050.01816.89
8.0.00.0070.01316.94
7.4.330.0020.00215.55
7.4.320.0000.00716.33
7.4.300.0040.00416.33
7.4.290.0040.00416.48
7.4.280.0040.00416.37
7.4.270.0070.00016.51
7.4.260.0000.00513.14
7.4.250.0030.00316.40
7.4.240.0020.00516.42
7.4.230.0070.00016.34
7.4.220.0070.00016.50
7.4.210.0060.01016.47
7.4.200.0030.00616.63
7.4.160.0130.00416.47
7.4.150.0060.01716.47
7.4.140.0120.01116.42
7.4.130.0130.00716.50
7.4.120.0080.00816.32
7.4.110.0130.00616.41
7.4.100.0090.01216.55
7.4.90.0100.00616.25
7.4.80.0100.01316.30
7.4.70.0170.00316.57
7.4.60.0100.01016.33
7.4.50.0080.01116.32
7.4.40.0080.00716.32
7.4.30.0130.01016.50
7.4.20.0100.01316.54
7.4.10.0060.00916.36
7.4.00.0070.01416.60
7.3.330.0030.00316.17
7.3.320.0000.00513.05
7.3.310.0070.00016.20
7.3.300.0070.00016.21
7.3.290.0070.00916.17
7.3.270.0070.01316.22
7.3.260.0030.01616.29
7.3.250.0100.00716.16
7.3.240.0070.01116.23
7.3.230.0060.01216.36
7.3.220.0040.01116.17
7.3.210.0120.00316.16
7.3.200.0110.01116.18
7.3.190.0110.01116.13
7.3.180.0100.01016.11
7.3.170.0130.00316.10
7.3.160.0100.01316.15
7.3.150.0090.00916.05
7.3.140.0060.01216.08
7.3.130.0090.00916.04
7.3.120.0110.00616.13
7.3.110.0060.01316.04
7.3.100.0070.01316.09
7.3.90.0070.01016.36
7.3.80.0110.00815.99
7.3.70.0120.00316.29
7.3.60.0060.00916.31
7.3.50.0090.00916.25
7.3.40.0070.01016.35
7.3.30.0150.00416.26
7.3.20.0100.01016.28
7.3.10.0070.01016.22
7.3.00.0110.00616.39

preferences:
29.55 ms | 400 KiB | 5 Q