3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ [2015 => '2015'], [2016 => '2016'], [2017 => '2017'], [2018 => '2018'], [2019 => '2019'], [2020 => '2020'], [2021 => '2021'], [2022 => '2022'], [2023 => '2023'] ]; var_export(array_reduce($array, 'array_merge', []));

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)
8.5.00.0150.00719.93
8.4.150.0020.00114.05
8.4.140.0180.00717.39
8.4.130.0120.00817.70
8.4.120.0080.01223.70
8.4.110.0070.00518.82
8.4.100.0100.01117.49
8.4.90.0050.00418.38
8.4.80.0100.00617.84
8.4.70.0050.00417.75
8.4.60.0060.00218.84
8.4.50.0120.00920.42
8.4.40.0040.00719.44
8.4.30.0110.00720.77
8.4.20.0110.01126.01
8.4.10.0030.00623.80
8.3.280.0140.00618.26
8.3.270.0140.00516.54
8.3.260.0120.00516.34
8.3.250.0110.00718.89
8.3.240.0030.00516.55
8.3.230.0130.00616.25
8.3.220.0050.00517.11
8.3.210.0120.00718.56
8.3.200.0050.00316.53
8.3.190.0100.00517.29
8.3.180.0120.00718.50
8.3.170.0130.00717.12
8.3.160.0070.00016.42
8.3.150.0070.01120.79
8.3.140.0060.00916.36
8.3.130.0000.00818.25
8.3.120.0090.00918.81
8.3.110.0060.00320.94
8.3.100.0040.00424.06
8.3.90.0040.00426.77
8.3.80.0070.00418.06
8.3.70.0080.00818.43
8.3.60.0070.01018.31
8.3.50.0180.00316.59
8.3.40.0100.00720.02
8.3.30.0070.00718.42
8.3.20.0040.00424.18
8.3.10.0050.00324.66
8.3.00.0070.00026.16
8.2.290.0070.00220.21
8.2.280.0130.00522.48
8.2.270.0120.00917.04
8.2.260.0110.00719.05
8.2.250.0040.01417.17
8.2.240.0090.00016.89
8.2.230.0090.00022.58
8.2.220.0040.00437.54
8.2.210.0000.00726.77
8.2.200.0060.00318.88
8.2.190.0180.00316.58
8.2.180.0120.00316.63
8.2.170.0150.00019.01
8.2.160.0110.00422.96
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0050.00326.16
8.2.110.0060.00320.52
8.2.100.0080.00317.78
8.2.90.0000.01019.57
8.2.80.0080.00019.23
8.2.70.0030.00517.38
8.2.60.0060.00317.90
8.2.50.0000.00818.07
8.2.40.0040.00419.75
8.2.30.0040.00417.84
8.2.20.0030.00619.21
8.2.10.0170.00017.57
8.2.00.0150.00017.63
8.1.330.0100.00523.77
8.1.320.0100.00816.00
8.1.310.0090.00020.05
8.1.300.0000.01917.79
8.1.290.0090.00030.84
8.1.280.0030.01025.92
8.1.270.0040.00424.66
8.1.260.0000.00826.35
8.1.250.0030.00628.09
8.1.240.0060.00323.95
8.1.230.0040.00722.68
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0030.00617.36
8.1.190.0020.00517.23
8.1.180.0000.00918.10
8.1.170.0040.00418.95
8.1.160.0040.00418.84
8.1.150.0040.00418.51
8.1.140.0090.00317.38
8.1.130.0100.00517.38
8.1.120.0070.00617.34
8.1.110.0050.01017.49
8.1.100.0110.00617.43
8.1.90.0160.00017.50
8.1.80.0150.00217.47
8.1.70.0130.00417.35
8.1.60.0180.00017.56
8.1.50.0200.00017.43
8.1.40.0150.00517.46
8.1.30.0080.01117.47
8.1.20.0220.00017.64
8.1.10.0130.01317.36
8.1.00.0080.00817.44
8.0.300.0030.00519.90
8.0.290.0000.00716.63
8.0.280.0000.00718.42
8.0.270.0140.00016.64
8.0.260.0110.00016.79
8.0.250.0110.00016.79
8.0.240.0100.00516.82
8.0.230.0110.00016.77
8.0.220.0080.00516.72
8.0.210.0110.00416.72
8.0.200.0100.00616.56
8.0.190.0130.00316.70
8.0.180.0150.00016.79
8.0.170.0110.00416.80
8.0.160.0150.00016.80
8.0.150.0090.00416.70
8.0.140.0110.00216.60
8.0.130.0100.00216.71
8.0.120.0100.00016.75
8.0.110.0030.00616.68
8.0.100.0040.00416.30
8.0.90.0040.00416.51
8.0.80.0050.00516.50
8.0.70.0090.00316.74
8.0.60.0030.00816.77
8.0.50.0100.00016.80
8.0.30.0040.00816.69
8.0.20.0080.00516.80
8.0.10.0050.01016.78

preferences:
32.31 ms | 403 KiB | 5 Q