3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a1 = ['a' => 0, 'c' => 1, 'e' => 2]; $a2 = ['b' => 3, 'd' => 4, 'f' => 5]; $result = []; for ($i = 0, $count = count($a1); $i < $count; ++$i) { $result += array_slice($a1, $i, 1) + array_slice($a2, $i, 1); } var_export($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)
8.3.60.0140.00716.75
8.3.50.0140.00420.16
8.3.40.0060.00819.01
8.3.30.0080.00618.65
8.3.20.0040.00424.18
8.3.10.0000.00824.66
8.3.00.0000.00826.16
8.2.180.0090.00625.92
8.2.170.0150.00018.87
8.2.160.0070.01422.96
8.2.150.0050.00225.66
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0100.01019.36
8.2.110.0090.00020.43
8.2.100.0120.00017.91
8.2.90.0000.00817.63
8.2.80.0030.00518.73
8.2.70.0040.00417.63
8.2.60.0080.00018.03
8.2.50.0090.00018.07
8.2.40.0080.00018.19
8.2.30.0040.00417.99
8.2.20.0050.00220.30
8.2.10.0050.00317.68
8.2.00.0050.00219.30
8.1.280.0070.01025.92
8.1.270.0040.00423.99
8.1.260.0100.01026.35
8.1.250.0040.00428.09
8.1.240.0040.00419.05
8.1.230.0110.00017.89
8.1.220.0030.00517.77
8.1.210.0050.00518.77
8.1.200.0040.00417.47
8.1.190.0000.00817.22
8.1.180.0040.00418.10
8.1.170.0040.00418.36
8.1.160.0000.00718.82
8.1.150.0030.00518.68
8.1.140.0080.00017.36
8.1.130.0000.00718.92
8.1.120.0000.00817.36
8.1.110.0070.00017.35
8.1.100.0040.00417.44
8.1.90.0070.00017.43
8.1.80.0050.00217.45
8.1.70.0030.00517.46
8.1.60.0000.00817.48
8.1.50.0090.00017.40
8.1.40.0080.00017.50
8.1.30.0210.00317.62
8.1.20.0180.00717.52
8.1.10.0210.00417.40
8.1.00.0200.00317.41
8.0.300.0060.00318.77
8.0.290.0070.00016.60
8.0.280.0000.00818.34
8.0.270.0000.00817.93
8.0.260.0020.00518.29
8.0.250.0040.00416.98
8.0.240.0040.00417.01
8.0.230.0100.00016.94
8.0.220.0030.00516.88
8.0.210.0000.00716.89
8.0.200.0080.00016.98
8.0.190.0000.00716.95
8.0.180.0030.00316.95
8.0.170.0090.00016.94
8.0.160.0030.00616.82
8.0.150.0070.00216.88
8.0.140.0000.00816.88
8.0.130.0040.00416.87
8.0.120.0000.01117.01
8.0.110.0040.00716.99
8.0.100.0090.00416.93
8.0.90.0200.00016.97
8.0.80.0170.00316.78
8.0.70.0130.00716.96
8.0.60.0080.01216.71
8.0.50.0150.00516.85
8.0.30.0100.01016.89
8.0.20.0140.00716.89
8.0.10.0130.00817.00
7.4.330.0000.00515.55
7.4.320.0030.00316.60
7.4.300.0030.00316.39
7.4.290.0030.00316.60
7.4.280.0050.00516.38
7.4.270.0240.00016.59
7.4.260.0170.00616.48
7.4.250.0130.01016.59
7.4.240.0120.00816.56
7.4.230.0280.00316.49
7.4.220.0220.00416.38
7.4.210.0210.00616.57
7.4.200.0210.00216.63
7.4.190.0230.00016.39
7.4.180.0170.00616.63
7.4.160.0180.00616.54
7.4.150.0140.00716.56
7.4.140.0170.00616.27
7.4.130.0120.01216.50
7.4.120.0240.00016.36
7.4.110.0220.00016.29
7.4.100.0180.00316.51
7.4.90.0200.00316.49
7.4.80.0140.00616.27
7.4.70.0090.00616.40
7.4.60.0100.00716.35
7.4.50.0110.00716.18
7.4.40.0190.00416.21
7.4.30.0220.00016.33
7.4.20.0150.00016.35
7.4.10.0040.00816.45
7.4.00.0120.00016.42

preferences:
55.37 ms | 400 KiB | 5 Q