3v4l.org

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

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)
8.3.60.0120.00916.50
8.3.50.0090.01218.29
8.3.40.0040.01418.71
8.3.30.0190.00018.34
8.3.20.0020.00520.02
8.3.10.0060.00320.39
8.3.00.0050.00321.93
8.2.180.0110.00416.50
8.2.170.0100.01022.96
8.2.160.0060.00919.25
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00022.20
8.2.120.0020.00526.35
8.2.110.0040.00422.17
8.2.100.0040.00717.84
8.2.90.0000.00919.27
8.2.80.0000.00818.04
8.2.70.0050.00317.50
8.2.60.0040.00417.80
8.2.50.0040.00418.10
8.2.40.0080.00020.46
8.2.30.0000.00819.15
8.2.20.0050.00218.16
8.2.10.0000.00818.09
8.2.00.0040.00417.62
8.1.280.0110.00425.92
8.1.270.0080.00024.02
8.1.260.0000.00828.09
8.1.250.0070.00028.09
8.1.240.0060.00323.97
8.1.230.0080.00422.20
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0090.00017.23
8.1.190.0050.00317.10
8.1.180.0040.00418.10
8.1.170.0040.00418.36
8.1.160.0040.00422.12
8.1.150.0000.00718.85
8.1.140.0040.00419.43
8.1.130.0030.00317.51
8.1.120.0040.00417.43
8.1.110.0080.00017.39
8.1.100.0070.00017.32
8.1.90.0000.00717.39
8.1.80.0000.00717.46
8.1.70.0000.00717.31
8.1.60.0030.00617.55
8.1.50.0000.00917.47
8.1.40.0050.00217.48
8.1.30.0000.00817.46
8.1.20.0040.00417.55
8.1.10.0040.00417.41
8.1.00.0000.00717.50
8.0.300.0080.00018.77
8.0.290.0040.00416.75
8.0.280.0040.00418.32
8.0.270.0000.00717.19
8.0.260.0020.00717.41
8.0.250.0000.00716.87
8.0.240.0060.00016.95
8.0.230.0030.00316.88
8.0.220.0070.00016.71
8.0.210.0020.00516.87
8.0.200.0030.00316.90
8.0.190.0000.00816.82
8.0.180.0060.00316.85
8.0.170.0000.00716.90
8.0.160.0000.00716.71
8.0.150.0000.00716.85
8.0.140.0030.00516.69
8.0.130.0060.00013.23
8.0.120.0040.00416.70
8.0.110.0000.00716.78
8.0.100.0030.00516.92
8.0.90.0040.00416.77
8.0.80.0030.01316.78
8.0.70.0060.00316.71
8.0.60.0000.00716.84
8.0.50.0000.00716.79
8.0.30.0100.00717.16
8.0.20.0070.01117.40
8.0.10.0070.00016.74
8.0.00.0130.00416.62
7.4.330.0000.00615.08
7.4.320.0060.00016.55
7.4.300.0000.00616.49
7.4.290.0030.00316.61
7.4.280.0070.00016.52
7.4.270.0070.00016.60
7.4.260.0040.00416.50
7.4.250.0070.00016.45
7.4.240.0000.00716.53
7.4.230.0000.00716.40
7.4.220.0090.00616.51
7.4.210.0030.01216.64
7.4.200.0000.00716.62
7.4.160.0080.00716.51
7.4.150.0090.00817.40
7.4.140.0140.00717.86
7.4.130.0130.00516.46
7.4.120.0090.01116.46
7.4.110.0000.01816.34
7.4.100.0030.01316.38
7.4.90.0000.01716.56
7.4.80.0070.01119.39
7.4.70.0160.00616.46
7.4.60.0140.00316.55
7.4.50.0070.01116.32
7.4.40.0060.00916.48
7.4.30.0090.00616.32
7.4.00.0070.00714.97
7.3.330.0000.00512.94
7.3.320.0050.00012.95
7.3.310.0030.00316.24
7.3.300.0030.00316.18
7.3.290.0070.00016.21
7.3.280.0050.01116.21
7.3.270.0130.01017.40
7.3.260.0120.00816.37
7.3.250.0100.00616.36
7.3.240.0080.01116.11
7.3.230.0030.01516.39
7.3.210.0120.00616.18
7.3.200.0120.00816.46
7.3.190.0110.00616.25
7.3.180.0110.00416.25
7.3.170.0100.00716.37
7.3.160.0040.01216.29
7.3.10.0040.01116.45
7.3.00.0090.00316.56
7.2.330.0140.00416.14
7.2.320.0120.00916.50
7.2.310.0120.00516.54
7.2.300.0040.01816.66
7.2.290.0180.00316.45
7.2.130.0040.00816.80
7.2.120.0030.01216.90
7.2.110.0030.01416.63
7.2.100.0070.01116.64
7.2.90.0060.00816.68
7.2.80.0040.00716.77
7.2.70.0040.01116.65
7.2.60.0160.00916.62
7.2.50.0080.00416.67
7.2.40.0120.00416.84
7.2.30.0030.01016.77
7.2.20.0030.01016.68
7.2.10.0040.01116.68
7.2.00.0060.00816.81
7.1.250.0000.00815.67
7.1.200.0110.00015.60
7.1.70.0040.00417.14
7.1.60.0070.00317.17
7.1.00.0100.07022.58
7.0.200.0090.00314.70
7.0.110.0100.05320.19
7.0.100.0200.04320.22
7.0.90.0030.06320.30
7.0.80.0070.05720.17
7.0.70.0100.05320.30
7.0.60.0000.06319.91
7.0.50.0130.05020.18
7.0.40.0300.06020.21
7.0.30.0200.06020.26
7.0.20.0300.06020.25
7.0.10.0230.06320.28
7.0.00.0400.05020.34
5.6.260.0130.05020.87
5.6.250.0070.05720.82
5.6.240.0170.05020.97
5.6.230.0100.05720.93
5.6.220.0030.07020.73
5.6.210.0100.07320.97
5.6.200.0200.04721.04
5.6.190.0100.06720.98
5.6.180.0030.06721.01
5.6.170.0070.06021.03
5.6.160.0130.05320.83
5.6.150.0200.05021.00
5.6.140.0100.07321.03
5.6.130.0130.07320.92
5.6.120.0070.06020.91
5.6.110.0100.05321.07
5.6.100.0130.05020.86
5.6.90.0100.05021.04
5.6.80.0230.03720.40
5.6.70.0070.05720.17
5.6.60.0030.06020.10
5.6.50.0130.05020.39
5.6.40.0070.05320.37
5.6.30.0130.05020.39
5.6.20.0070.05320.35
5.6.10.0130.04720.18
5.6.00.0070.05320.16

preferences:
62.7 ms | 400 KiB | 5 Q