3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = ['a' => '1','b' => 2]; $arr2 = ['h' => 'c','j' => '3', 'y' => 'bar', 'z' => 'foo']; $result = []; for ($i = 0, $count = count($arr1); $i < $count; ++$i) { $result += array_slice($arr1, $i, 1) + array_slice($arr2, $i, 1); } $result += $arr1 + $arr2; var_export($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)
8.4.140.0140.00717.55
8.4.130.0090.01117.78
8.4.120.0090.01220.46
8.4.110.0100.00922.20
8.4.100.0130.01218.84
8.4.90.0090.01120.45
8.4.80.0130.00618.80
8.4.70.0120.00817.86
8.4.60.0100.01118.64
8.4.50.0130.00718.60
8.4.40.0070.00417.48
8.4.30.0140.00720.36
8.4.20.0100.01019.77
8.4.10.0060.00317.73
8.3.270.0100.00816.52
8.3.260.0090.01016.48
8.3.250.0110.00719.05
8.3.240.0070.01316.51
8.3.230.0080.00116.83
8.3.220.0100.00818.98
8.3.210.0090.01416.79
8.3.200.0120.00816.59
8.3.190.0100.00917.07
8.3.180.0130.00616.91
8.3.170.0140.00318.80
8.3.160.0040.00417.25
8.3.150.0200.00017.25
8.3.140.0070.00417.33
8.3.130.0090.00018.24
8.3.120.0080.00019.14
8.3.110.0070.01316.49
8.3.100.0050.00224.06
8.3.90.0080.00026.77
8.3.80.0030.00616.88
8.3.70.0070.00716.58
8.3.60.0140.00318.43
8.3.50.0170.00320.07
8.3.40.0070.00719.22
8.3.30.0040.01119.13
8.3.20.0050.00224.18
8.3.10.0000.00824.66
8.3.00.0080.00026.16
8.2.290.0100.00720.37
8.2.280.0100.01118.17
8.2.270.0100.00017.06
8.2.260.0060.00318.28
8.2.250.0100.00716.54
8.2.240.0040.00418.66
8.2.230.0060.00320.94
8.2.220.0060.00337.54
8.2.210.0040.00426.77
8.2.200.0030.00616.50
8.2.190.0080.00816.58
8.2.180.0030.01125.92
8.2.170.0150.00418.96
8.2.160.0100.00322.96
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00226.16
8.2.110.0040.00422.09
8.2.100.0080.00417.91
8.2.90.0050.00318.03
8.2.80.0030.00617.97
8.2.70.0000.00917.63
8.2.60.0040.00417.63
8.2.50.0040.00417.55
8.2.40.0050.00317.78
8.2.30.0040.00418.14
8.2.20.0000.00720.43
8.2.10.0000.00817.68
8.2.00.0000.00819.30
8.1.330.0130.00722.00
8.1.320.0110.00816.17
8.1.310.0070.00016.77
8.1.300.0130.00620.06
8.1.290.0040.00418.88
8.1.280.0110.00425.92
8.1.270.0040.00423.99
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0040.00422.19
8.1.230.0040.00720.89
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0060.00317.30
8.1.190.0040.00417.35
8.1.180.0000.00818.10
8.1.170.0000.00918.54
8.1.160.0040.00418.79
8.1.150.0050.00218.62
8.1.140.0000.00717.46
8.1.130.0070.00019.23
8.1.120.0000.00717.52
8.1.110.0000.00717.45
8.1.100.0000.00717.44
8.1.90.0000.00817.34
8.1.80.0080.00017.46
8.1.70.0000.00717.48
8.1.60.0040.00417.55
8.1.50.0040.00417.43
8.1.40.0000.00817.50
8.1.30.0270.00017.58
8.1.20.0170.00617.59
8.1.10.0210.00317.44
8.1.00.0220.00417.39
8.0.300.0040.00420.09
8.0.290.0040.00416.63
8.0.280.0030.00318.38
8.0.270.0030.00316.83
8.0.260.0070.00018.49
8.0.250.0000.00716.82
8.0.240.0000.00716.84
8.0.230.0030.00316.89
8.0.220.0070.00016.89
8.0.210.0030.00316.77
8.0.200.0030.00316.94
8.0.190.0050.00316.97
8.0.180.0030.00516.96
8.0.170.0000.00816.80
8.0.160.0170.00316.79
8.0.150.0180.00416.86
8.0.140.0160.00416.80
8.0.130.0170.00416.95
8.0.120.0150.00417.00
8.0.110.0090.00916.84
8.0.100.0160.00516.89
8.0.90.0160.00616.92
8.0.80.0160.00416.95
8.0.70.0130.00716.93
8.0.60.0170.00416.74
8.0.50.0170.00316.82
8.0.30.0180.00416.84
8.0.20.0170.00617.03
8.0.10.0050.01017.08
7.4.330.0060.00015.55
7.4.320.0030.00316.53
7.4.300.0000.00716.36
7.4.290.0070.00016.54
7.4.280.0080.00316.54
7.4.270.0130.00016.57
7.4.260.0190.00016.40
7.4.250.0100.00916.58
7.4.240.0090.00916.53
7.4.230.0140.00416.49
7.4.220.0210.00016.60
7.4.210.0120.00616.43
7.4.200.0120.00616.41
7.4.190.0210.00016.52
7.4.180.0170.00416.52
7.4.160.0160.00316.45
7.4.150.0140.00316.51
7.4.140.0140.00416.43
7.4.130.0150.00516.42
7.4.120.0150.00316.26
7.4.110.0100.00416.39
7.4.100.0120.00016.36
7.4.90.0060.00316.32
7.4.80.0090.00216.14
7.4.70.0080.00416.33
7.4.60.0000.01116.31
7.4.50.0030.00716.09
7.4.40.0000.01016.21
7.4.30.0040.00716.46
7.4.20.0100.00016.27
7.4.10.0100.00516.38
7.4.00.0160.00416.24
5.4.160.0040.00212.46

preferences:
31.47 ms | 403 KiB | 5 Q