3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = ['a' => '1','b' => 2]; $arr2 = ['h' => 'c','j' => '3']; $result = []; while ($arr1 && $arr2) { $result += array_splice($arr1, 0, 1) + array_splice($arr2, 0, 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)
8.4.140.0100.01117.21
8.4.130.0060.00318.49
8.4.120.0130.00819.65
8.4.110.0100.01025.67
8.4.100.0050.00518.56
8.4.90.0090.01122.01
8.4.80.0100.00918.70
8.4.70.0040.00417.80
8.4.60.0090.01118.82
8.4.50.0120.00817.76
8.4.40.0080.00317.46
8.4.30.0060.00318.96
8.4.20.0040.01119.52
8.4.10.0030.00619.34
8.3.270.0090.01016.52
8.3.260.0140.00616.84
8.3.250.0100.00616.58
8.3.240.0070.01016.54
8.3.230.0130.00616.57
8.3.220.0110.00719.09
8.3.210.0100.01018.42
8.3.200.0080.00116.78
8.3.190.0060.00317.21
8.3.180.0060.00416.57
8.3.170.0110.00719.02
8.3.160.0090.00916.79
8.3.150.0040.01520.73
8.3.140.0120.00616.90
8.3.130.0030.00618.70
8.3.120.0070.00418.81
8.3.110.0090.00020.94
8.3.100.0040.00424.06
8.3.90.0060.00326.77
8.3.80.0040.00416.54
8.3.70.0140.00716.63
8.3.60.0070.01418.43
8.3.50.0060.00920.24
8.3.40.0150.00019.08
8.3.30.0110.00719.08
8.3.20.0070.00024.18
8.3.10.0040.00424.66
8.3.00.0000.00726.16
8.2.290.0150.00516.50
8.2.280.0130.00618.21
8.2.270.0130.00616.91
8.2.260.0110.00718.62
8.2.250.0040.01118.57
8.2.240.0060.01018.98
8.2.230.0120.00622.58
8.2.220.0050.00537.54
8.2.210.0090.00926.77
8.2.200.0140.00016.50
8.2.190.0080.00816.58
8.2.180.0120.00325.92
8.2.170.0070.01418.80
8.2.160.0100.00722.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.09
8.2.110.0060.00320.99
8.2.100.0090.00317.84
8.2.90.0000.00919.21
8.2.80.0090.00317.97
8.2.70.0060.00317.63
8.2.60.0040.00417.80
8.2.50.0030.00618.07
8.2.40.0040.00418.28
8.2.30.0040.00417.99
8.2.20.0080.00020.32
8.2.10.0040.00417.62
8.2.00.0000.00719.14
8.1.330.0120.00615.98
8.1.320.0080.01116.03
8.1.310.0000.00818.56
8.1.300.0050.00318.59
8.1.290.0060.00330.84
8.1.280.0170.00325.92
8.1.270.0070.01021.94
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0040.00422.10
8.1.230.0030.00722.11
8.1.220.0060.00317.74
8.1.210.0080.00018.77
8.1.200.0030.00717.35
8.1.190.0000.00817.35
8.1.180.0030.00618.10
8.1.170.0060.00318.46
8.1.160.0000.00718.95
8.1.150.0000.00718.63
8.1.140.0040.00417.45
8.1.130.0070.00019.15
8.1.120.0050.00317.42
8.1.110.0040.00417.49
8.1.100.0050.00317.44
8.1.90.0050.00317.46
8.1.80.0040.00417.48
8.1.70.0000.00817.38
8.1.60.0040.00417.60
8.1.50.0030.00617.56
8.1.40.0030.00717.59
8.1.30.0090.00017.64
8.1.20.0100.00517.66
8.1.10.0210.00717.38
8.1.00.0200.00717.41
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0000.00818.32
8.0.270.0040.00418.18
8.0.260.0000.00718.66
8.0.250.0070.00016.95
8.0.240.0000.00617.00
8.0.230.0000.00817.03
8.0.220.0050.00316.93
8.0.210.0000.00716.82
8.0.200.0000.00717.03
8.0.190.0040.00716.89
8.0.180.0000.00816.94
8.0.170.0050.00516.95
8.0.160.0140.00416.82
8.0.150.0170.00316.81
8.0.140.0160.00516.85
8.0.130.0110.00516.72
8.0.120.0000.01616.86
8.0.110.0130.00716.79
8.0.100.0110.00916.82
8.0.90.0190.00016.94
8.0.80.0080.00816.73
8.0.70.0100.01016.75
8.0.60.0100.00716.80
8.0.50.0150.00816.80
8.0.30.0100.01016.79
8.0.20.0140.00416.86
8.0.10.0150.00717.01
7.4.330.0060.00015.55
7.4.320.0000.00616.57
7.4.300.0000.00616.59
7.4.290.0030.00316.46
7.4.280.0060.00316.45
7.4.270.0220.00516.40
7.4.260.0190.00316.57
7.4.250.0220.00016.46
7.4.240.0220.00016.43
7.4.230.0100.00416.50
7.4.220.0140.00316.22
7.4.210.0160.00016.43
7.4.200.0080.00616.18
7.4.190.0210.00016.59
7.4.180.0120.00316.53
7.4.160.0100.01016.49
7.4.150.0070.00616.62
7.4.140.0150.00316.25
7.4.130.0140.00516.25
7.4.120.0090.01016.16
7.4.110.0150.00216.15
7.4.100.0130.00516.18
7.4.90.0180.00316.36
7.4.80.0090.00616.28
7.4.70.0150.00715.97
7.4.60.0110.00516.32
7.4.50.0120.00216.17
7.4.40.0160.00016.14
7.4.30.0070.00716.28
7.4.20.0080.00716.36
7.4.10.0070.01016.38
7.4.00.0110.00516.38

preferences:
38.33 ms | 403 KiB | 5 Q