3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ [2015 => '2015'], [2016 => '2016'], [2017 => '2017'], [2018 => '2018'], [2019 => '2019'], [2020 => '2020'], [2021 => '2021'], [2022 => '2022'], [2023 => '2023'] ]; $result = []; foreach ($array as $row) { foreach ($row as $k => $v) { $result[$k] = $v; } } var_export($result);

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)
8.4.120.0050.00320.57
8.4.110.0090.01018.84
8.4.100.0130.00817.77
8.4.90.0080.00918.64
8.4.80.0090.00617.42
8.4.70.0110.00917.91
8.4.60.0130.00718.80
8.4.50.0130.00719.23
8.4.40.0070.01119.32
8.4.30.0160.00318.48
8.4.20.0060.01026.03
8.4.10.0030.00623.83
8.3.250.0110.00718.82
8.3.240.0070.01216.51
8.3.230.0110.00716.46
8.3.220.0020.00517.25
8.3.210.0110.00916.63
8.3.200.0060.00316.57
8.3.190.0120.00717.31
8.3.180.0090.00916.50
8.3.170.0110.00718.66
8.3.160.0040.00418.43
8.3.150.0150.00417.41
8.3.140.0110.00718.25
8.3.130.0000.00818.27
8.3.120.0100.00718.61
8.3.110.0040.00720.94
8.3.100.0040.00424.06
8.3.90.0070.01126.77
8.3.80.0030.00618.43
8.3.70.0110.01118.30
8.3.60.0160.00018.30
8.3.50.0120.00316.44
8.3.40.0200.00020.21
8.3.30.0040.01118.59
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0080.00026.16
8.2.290.0090.01120.58
8.2.280.0080.00118.28
8.2.270.0090.00917.19
8.2.260.0040.00418.81
8.2.250.0190.00018.54
8.2.240.0060.00316.54
8.2.230.0050.00222.58
8.2.220.0040.00437.54
8.2.210.0000.00826.77
8.2.200.0060.00316.50
8.2.190.0090.00618.16
8.2.180.0170.00316.63
8.2.170.0100.01018.96
8.2.160.0030.01022.96
8.2.150.0040.00425.66
8.2.140.0070.00024.66
8.2.130.0070.00726.16
8.2.120.0030.00526.16
8.2.110.0030.00721.00
8.2.100.0110.00017.84
8.2.90.0070.00417.84
8.2.80.0000.00817.63
8.2.70.0040.00417.63
8.2.60.0040.00418.03
8.2.50.0030.00618.07
8.2.40.0030.00620.02
8.2.30.0070.00018.22
8.2.20.0000.00719.37
8.2.10.0090.00917.67
8.2.00.0090.00917.65
8.1.330.0120.00621.92
8.1.320.0120.00816.03
8.1.310.0000.00816.81
8.1.300.0070.00317.98
8.1.290.0030.00630.84
8.1.280.0130.01025.92
8.1.270.0060.00320.64
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.46
8.1.230.0040.00820.97
8.1.220.0050.00317.74
8.1.210.0040.00418.97
8.1.200.0100.00017.47
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0000.00718.87
8.1.160.0040.00418.88
8.1.150.0050.00218.70
8.1.140.0160.00017.36
8.1.130.0160.00017.45
8.1.120.0130.00317.47
8.1.110.0150.00017.56
8.1.100.0090.00917.50
8.1.90.0130.00417.39
8.1.80.0110.00817.45
8.1.70.0100.00817.47
8.1.60.0150.00317.70
8.1.50.0130.00617.48
8.1.40.0190.00017.62
8.1.30.0120.00617.76
8.1.20.0070.01117.53
8.1.10.0120.00617.57
8.1.00.0140.00317.47
8.0.300.0080.00019.81
8.0.290.0040.00416.75
8.0.280.0040.00418.36
8.0.270.0040.00416.74
8.0.260.0070.00716.75
8.0.250.0140.00316.77
8.0.240.0080.00816.77
8.0.230.0150.00416.88
8.0.220.0110.00716.80
8.0.210.0050.01016.78
8.0.200.0100.00516.79
8.0.190.0170.00016.81
8.0.180.0050.01116.86
8.0.170.0110.00516.78
8.0.160.0080.00616.87
8.0.150.0160.00016.80
8.0.140.0060.00616.69
8.0.130.0130.00316.82
8.0.120.0070.01016.72
8.0.110.0150.00316.80
8.0.100.0070.00716.76
8.0.90.0120.00416.71
8.0.80.0120.00316.72
8.0.70.0110.00416.69
8.0.60.0110.00516.73
8.0.50.0110.00416.77
8.0.30.0100.00516.75
8.0.20.0090.00516.94
8.0.10.0080.00816.95

preferences:
26.43 ms | 403 KiB | 5 Q