3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ['a' => 0]; unset($arr['a']);

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)
8.3.60.0070.00718.43
8.3.50.0130.00717.84
8.3.40.0140.00720.22
8.3.30.0100.00718.54
8.3.20.0070.00021.60
8.3.10.0040.00420.18
8.3.00.0040.00420.50
8.2.180.0100.00318.41
8.2.170.0110.00422.96
8.2.160.0090.00619.18
8.2.150.0000.00724.18
8.2.140.0070.00024.66
8.2.130.0050.00326.16
8.2.120.0040.00426.16
8.2.110.0070.00321.04
8.2.100.0000.01117.72
8.2.90.0000.00817.84
8.2.80.0040.00419.16
8.2.70.0080.00017.35
8.2.60.0000.00817.50
8.2.50.0040.00418.05
8.2.40.0030.00518.34
8.2.30.0000.00717.93
8.2.20.0040.00418.00
8.2.10.0040.00419.16
8.2.00.0070.00019.18
8.1.280.0130.00725.92
8.1.270.0070.00021.92
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0100.00022.19
8.1.230.0110.00020.91
8.1.220.0030.00517.74
8.1.210.0060.00318.77
8.1.200.0030.00617.00
8.1.190.0030.00517.10
8.1.180.0030.00618.10
8.1.170.0080.00017.62
8.1.160.0040.00421.94
8.1.150.0040.00418.88
8.1.140.0040.00418.83
8.1.130.0080.00020.07
8.1.120.0040.00317.29
8.1.110.0000.00717.39
8.1.100.0000.00717.38
8.1.90.0000.00817.29
8.1.80.0040.00417.43
8.1.70.0030.00317.25
8.1.60.0000.00817.50
8.1.50.0050.00317.48
8.1.40.0040.00417.46
8.1.30.0000.00817.63
8.1.20.0030.00617.63
8.1.10.0000.00717.41
8.1.00.0030.00517.45
8.0.300.0030.00520.09
8.0.290.0000.00716.75
8.0.280.0030.00318.31
8.0.270.0030.00317.82
8.0.260.0060.00018.28
8.0.250.0030.00316.81
8.0.240.0080.00016.85
8.0.230.0080.00016.82
8.0.220.0000.00716.70
8.0.210.0060.00016.88
8.0.200.0000.00716.92
8.0.190.0070.00016.88
8.0.180.0040.00416.87
8.0.170.0000.00916.79
8.0.160.0040.00416.70
8.0.150.0100.00016.76
8.0.140.0040.00416.67
8.0.130.0030.00313.34
8.0.120.0040.00416.77
8.0.110.0030.00616.73
8.0.100.0000.00716.77
8.0.90.0040.00416.90
8.0.80.0050.01116.80
8.0.70.0070.00016.85
8.0.60.0070.00016.87
8.0.50.0040.00416.73
8.0.30.0100.00716.99
8.0.20.0180.00016.82
8.0.10.0000.00816.98
8.0.00.0160.00316.52
7.4.330.0050.00015.55
7.4.320.0000.00616.61
7.4.300.0000.00616.51
7.4.290.0000.00816.59
7.4.280.0030.00516.44
7.4.270.0030.00316.45
7.4.260.0000.00513.26
7.4.250.0000.00816.36
7.4.240.0030.00316.55
7.4.230.0050.00216.58
7.4.220.0040.00316.35
7.4.210.0070.01016.52
7.4.200.0000.00716.66
7.4.130.0150.00316.44
7.4.120.0030.01416.52
7.4.110.0100.00716.41
7.4.100.0100.00716.44
7.4.90.0120.00616.34
7.4.80.0090.00619.39
7.4.70.0060.01016.54
7.4.60.0100.00616.34
7.4.50.0110.00316.29
7.4.40.0100.01016.35
7.4.30.0090.00916.39
7.4.20.0060.01216.52
7.4.10.0150.00616.24
7.4.00.0160.00016.38
7.3.330.0040.00416.14
7.3.320.0030.00313.08
7.3.310.0000.00716.16
7.3.300.0000.00616.03
7.3.290.0090.00616.21
7.3.280.0120.00316.27
7.3.260.0060.01616.48
7.3.240.0070.00816.27
7.3.230.0100.01316.17
7.3.210.0120.00316.11
7.3.200.0060.01616.11
7.3.190.0090.00616.45
7.3.180.0120.00316.15
7.3.170.0120.00816.21
7.3.160.0000.01916.02
7.3.150.0140.00315.97
7.3.140.0120.00616.15
7.3.130.0200.01416.26
7.3.120.0130.00816.14
7.3.110.0090.00916.19
7.3.100.0100.00716.31
7.3.90.0100.00916.31
7.3.80.0120.01116.19
7.3.70.0110.00816.36
7.3.60.0110.00816.09
7.3.50.0070.01116.12
7.3.40.0070.01016.13
7.3.30.0040.01416.01
7.3.20.0080.01116.17
7.3.10.0120.00616.24
7.3.00.0080.01116.13
7.2.330.0110.01116.45
7.2.320.0060.01216.32
7.2.310.0060.00916.16
7.2.300.0060.01116.40
7.2.290.0000.01816.31
7.2.280.0160.00416.12
7.2.270.0080.01116.46
7.2.260.0120.00916.50
7.2.250.0100.00716.14
7.2.240.0110.01116.59
7.2.230.0140.00616.23
7.2.220.0090.01716.41
7.2.210.0060.01316.13
7.2.200.0070.01016.49
7.2.190.0090.00916.16
7.2.180.0150.00316.46
7.2.170.0090.01016.41
7.2.160.0060.01316.27
7.2.150.0100.01016.30
7.2.140.0100.01016.34
7.2.130.0080.01216.37
7.2.120.0060.01416.42
7.2.110.0300.00316.36
7.2.100.0070.01016.28
7.2.90.0120.00816.57
7.2.80.0130.00616.33
7.2.70.0090.00916.39
7.2.60.0100.01116.37
7.2.50.0070.01716.29
7.2.40.0160.00616.38
7.2.30.0120.00916.28
7.2.20.0110.00816.27
7.2.10.0190.00516.27
7.2.00.0100.01316.36

preferences:
62.06 ms | 400 KiB | 5 Q