3v4l.org

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

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)
8.4.120.0080.00120.65
8.4.110.0050.00622.44
8.4.100.0050.01417.98
8.4.90.0120.00818.71
8.4.80.0070.01317.70
8.4.70.0090.00617.91
8.4.60.0080.00418.94
8.4.50.0110.01219.68
8.4.40.0160.00317.84
8.4.30.0110.00820.39
8.4.20.0130.00617.96
8.4.10.0000.00919.60
8.3.250.0030.00518.92
8.3.240.0110.00916.54
8.3.230.0090.01116.48
8.3.220.0060.00217.20
8.3.210.0090.00816.60
8.3.200.0120.00716.80
8.3.190.0100.00916.93
8.3.180.0120.00718.46
8.3.170.0070.01319.02
8.3.160.0030.00518.74
8.3.150.0110.00718.62
8.3.140.0030.00616.65
8.3.130.0060.00918.55
8.3.120.0120.00418.96
8.3.110.0080.00016.92
8.3.100.0060.00318.58
8.3.90.0050.00226.77
8.3.80.0060.00319.36
8.3.70.0120.00318.43
8.3.60.0040.01418.56
8.3.50.0130.00323.59
8.3.40.0060.00921.98
8.3.30.0120.00618.54
8.3.20.0030.00524.18
8.3.10.0080.00024.66
8.3.00.0040.00426.16
8.2.290.0110.00720.41
8.2.280.0060.00318.52
8.2.270.0050.00217.13
8.2.260.0060.00318.90
8.2.250.0110.00718.31
8.2.240.0090.00918.31
8.2.230.0000.00820.94
8.2.220.0060.00324.06
8.2.210.0150.00326.77
8.2.200.0050.00518.88
8.2.190.0110.00416.58
8.2.180.0090.00625.92
8.2.170.0100.01018.95
8.2.160.0130.00622.96
8.2.150.0050.00325.66
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00426.35
8.2.110.0030.00619.16
8.2.100.0040.00817.81
8.2.90.0050.00217.63
8.2.80.0040.00418.61
8.2.70.0090.00017.63
8.2.60.0000.00817.93
8.2.50.0040.00418.05
8.2.40.0050.00217.91
8.2.30.0070.00018.10
8.2.20.0040.00418.10
8.2.10.0040.00419.05
8.2.00.0000.00719.04
8.1.330.0120.00721.98
8.1.320.0050.00316.04
8.1.310.0060.00316.52
8.1.300.0100.00018.03
8.1.290.0040.00730.84
8.1.280.0090.00925.92
8.1.270.0040.00423.99
8.1.260.0070.00028.09
8.1.250.0060.00328.09
8.1.240.0090.00621.80
8.1.230.0080.00420.97
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0030.00617.11
8.1.180.0000.00818.10
8.1.170.0000.00818.41
8.1.160.0040.00418.73
8.1.150.0000.00818.86
8.1.140.0000.00718.86
8.1.130.0000.00720.05
8.1.120.0030.00717.41
8.1.110.0030.00517.39
8.1.100.0040.00417.27
8.1.90.0070.00017.39
8.1.80.0000.01017.35
8.1.70.0000.00717.26
8.1.60.0080.00317.54
8.1.50.0040.00417.56
8.1.40.0030.00617.53
8.1.30.0050.00317.53
8.1.20.0040.00417.57
8.1.10.0070.00017.59
8.1.00.0040.00417.46
8.0.300.0000.00718.77
8.0.290.0050.00216.75
8.0.280.0060.00517.75
8.0.270.0000.00817.91
8.0.260.0000.00618.49
8.0.250.0070.00016.95
8.0.240.0030.00316.95
8.0.230.0000.00716.82
8.0.220.0030.00316.75
8.0.210.0000.00716.85
8.0.200.0090.00016.85
8.0.190.0000.00716.92
8.0.180.0070.00016.89
8.0.170.0000.00916.88
8.0.160.0080.00016.83
8.0.150.0040.00416.72
8.0.140.0030.00516.84
8.0.130.0000.00513.39
8.0.120.0040.00416.87
8.0.110.0030.00416.82
8.0.100.0030.00516.77
8.0.90.0000.00716.79
8.0.80.0130.00116.80
8.0.70.0040.00416.67
8.0.60.0040.00416.84
8.0.50.0000.00816.84
8.0.30.0070.01017.20
8.0.20.0110.01017.04
8.0.10.0070.00016.87
8.0.00.0140.00716.52
7.4.330.0000.00515.55
7.4.320.0000.00616.55
7.4.300.0040.00416.55
7.4.290.0070.00016.30
7.4.280.0040.00416.56
7.4.270.0030.00316.44
7.4.260.0000.00613.20
7.4.250.0040.00416.46
7.4.240.0000.00716.43
7.4.230.0030.00316.46
7.4.220.0050.00216.36
7.4.210.0090.00916.61
7.4.200.0030.00516.59
7.4.130.0100.00716.32
7.4.120.0150.00416.47
7.4.110.0150.00616.56
7.4.100.0110.00716.41
7.4.90.0130.00516.46
7.4.80.0110.00716.39
7.4.70.0030.01516.44
7.4.60.0130.00716.47
7.4.50.0080.01016.41
7.4.40.0070.01116.60
7.4.30.0060.01316.38
7.4.20.0070.01016.47
7.4.10.0170.00016.54
7.4.00.0080.00816.37
7.3.330.0040.00416.25
7.3.320.0000.00612.98
7.3.310.0030.00316.15
7.3.300.0070.00016.20
7.3.290.0090.00716.23
7.3.260.0110.01116.48
7.3.250.0130.00316.27
7.3.240.0160.00616.22
7.3.230.0130.00416.16
7.3.220.0100.00716.18
7.3.210.0060.01216.28
7.3.200.0070.01016.16
7.3.190.0140.00416.19
7.3.180.0120.00916.26
7.3.170.0030.01516.12
7.3.160.0140.00516.35
7.3.150.0120.00616.57
7.3.140.0060.01016.39
7.3.130.0030.01316.61
7.3.120.0040.01216.57
7.3.110.0120.00416.41
7.3.100.0090.00916.22
7.3.90.0110.00516.22
7.3.80.0070.01016.41
7.3.70.0060.00916.19
7.3.60.0100.00816.35
7.3.50.0110.00516.37
7.3.40.0070.01116.33
7.3.30.0070.01016.38
7.3.20.0080.00818.26
7.3.10.0220.00018.23
7.3.00.0000.01718.21

preferences:
28.79 ms | 403 KiB | 5 Q