3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = null; var_dump($a['asd'] ?? 'asd');

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)
8.3.60.0140.01018.43
8.3.50.0110.00416.16
8.3.40.0120.00318.63
8.3.30.0090.00618.68
8.3.20.0080.00020.73
8.3.10.0050.00321.73
8.3.00.0070.00020.77
8.2.180.0150.00618.38
8.2.170.0090.00622.96
8.2.160.0030.01022.12
8.2.150.0140.00025.66
8.2.140.0080.00024.66
8.2.130.0040.00422.26
8.2.120.0050.00326.35
8.2.110.0030.00620.38
8.2.100.0090.00317.91
8.2.90.0030.00519.08
8.2.80.0000.00918.03
8.2.70.0030.00617.63
8.2.60.0050.00317.80
8.2.50.0070.00318.10
8.2.40.0040.00422.32
8.2.30.0080.00021.01
8.2.20.0070.00018.11
8.2.10.0040.00417.98
8.2.00.0000.00817.85
8.1.280.0000.01425.92
8.1.270.0070.00022.13
8.1.260.0030.00526.35
8.1.250.0000.00728.09
8.1.240.0000.01020.91
8.1.230.0060.00619.01
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0030.00517.23
8.1.180.0090.00018.10
8.1.170.0030.00518.50
8.1.160.0040.00419.01
8.1.150.0000.00720.48
8.1.140.0000.00819.51
8.1.130.0000.00818.83
8.1.120.0020.00517.46
8.1.110.0040.00417.43
8.1.100.0000.00717.36
8.1.90.0000.00817.45
8.1.80.0000.00817.26
8.1.70.0030.00317.32
8.1.60.0040.00417.45
8.1.50.0040.00417.45
8.1.40.0040.00417.47
8.1.30.0040.00417.61
8.1.20.0030.00517.49
8.1.10.0040.00417.56
8.1.00.0040.00417.46
8.0.300.0000.00818.77
8.0.290.0000.00716.63
8.0.280.0070.00018.45
8.0.270.0030.00317.18
8.0.260.0030.00716.76
8.0.250.0000.00616.87
8.0.240.0030.00416.86
8.0.230.0000.00816.82
8.0.220.0030.00316.80
8.0.210.0000.00716.71
8.0.200.0030.00316.90
8.0.190.0050.00516.86
8.0.180.0090.00016.79
8.0.170.0030.00316.89
8.0.160.0000.00716.79
8.0.150.0070.00016.77
8.0.140.0050.00316.82
8.0.130.0000.00613.30
8.0.120.0000.00816.70
8.0.110.0030.00316.70
8.0.100.0000.00816.70
8.0.90.0050.00216.68
8.0.80.0100.01116.83
8.0.70.0000.00716.89
8.0.60.0030.00316.68
8.0.50.0070.00016.86
8.0.30.0110.00716.93
8.0.20.0090.01117.40
8.0.10.0030.00516.82
8.0.00.0030.01416.81
7.4.330.0000.00515.55
7.4.320.0030.00316.51
7.4.300.0030.00316.55
7.4.290.0000.00716.45
7.4.280.0040.00416.48
7.4.270.0040.00416.44
7.4.260.0030.00313.19
7.4.250.0030.00316.41
7.4.240.0000.00716.43
7.4.230.0030.00316.43
7.4.220.0040.01416.53
7.4.210.0000.01416.56
7.4.200.0070.00016.36
7.4.160.0110.01216.50
7.4.150.0170.00717.40
7.4.140.0120.00717.86
7.4.130.0110.01516.48
7.4.120.0090.01016.37
7.4.110.0110.00616.52
7.4.100.0060.01016.42
7.4.90.0070.01416.48
7.4.80.0070.01019.39
7.4.70.0080.00816.53
7.4.60.0100.00616.58
7.4.50.0060.01016.37
7.4.40.0130.01016.55
7.4.30.0100.00616.19
7.4.00.0100.00714.89
7.3.330.0000.00512.95
7.3.320.0030.00313.13
7.3.310.0000.00716.04
7.3.300.0000.00616.19
7.3.290.0100.00616.20
7.3.280.0090.00716.19
7.3.270.0110.00717.40
7.3.260.0120.01116.43
7.3.250.0150.00916.20
7.3.240.0100.01016.41
7.3.230.0090.00916.46
7.3.210.0100.00716.49
7.3.200.0090.00916.50
7.3.190.0100.01116.38
7.3.180.0070.02116.16
7.3.170.0060.00916.21
7.3.160.0130.01016.18
7.2.330.0110.00616.56
7.2.320.0090.01516.50
7.2.310.0070.01016.65
7.2.300.0140.00416.52
7.2.290.0140.01016.58
7.2.60.0040.01116.47
7.2.00.0000.01319.28
7.1.200.0000.01215.80
7.1.100.0060.00918.21
7.1.70.0090.00617.09
7.1.60.0200.00334.71
7.1.50.0130.01034.68
7.1.40.0170.01734.30
7.1.30.0200.01334.28
7.1.20.0230.01334.64
7.1.10.0070.00316.73
7.1.00.0030.00716.70
7.0.200.0100.00316.51
7.0.190.0030.00716.49
7.0.180.0000.01715.88
7.0.170.0000.01015.87
7.0.160.0030.01316.11
7.0.150.0030.00716.12
7.0.140.0100.00316.06
7.0.130.0000.01016.32
7.0.120.0000.01016.47
7.0.110.0030.00716.34
7.0.100.0070.00316.13
7.0.90.0000.01016.22
7.0.80.0000.01016.20
7.0.70.0000.01016.21
7.0.60.0000.01016.04
7.0.50.0030.00716.41
7.0.40.0000.01016.37
7.0.30.0030.00716.32
7.0.20.0030.00716.50
7.0.10.0070.00316.23
7.0.00.0000.01016.54

preferences:
40.27 ms | 401 KiB | 5 Q