3v4l.org

run code in 300+ PHP versions simultaneously
<?php function mergeArray(array $arr1, array $arr2) { $keysStats = array(); foreach ($arr1 as $index => $key) { $keysStats[$key] = array( 'arr1' => $index, 'arr2' => null ); } foreach ($arr1 as $index => $key) { if (!is_array($keys[$key])) { $keysStats[$key] = array( 'arr1' => null ); } $keysStats[$key]['arr2'] = $index; } $merged = array(); foreach (sort($keysStats) as $key => $score) { if (is_null($keysStats['arr2'])) { $merged[] = null; } else { $merged[] = $arr2[$keysStats['arr2']]; } } return $arrMerged; } print_r(mergeArray( array( 'a', 'b', 'c', 'd', 'e', 'f', 'g' ), array( 'a', 'b', 'z', 'q' ) ));

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)
8.3.60.0070.01016.75
8.3.50.0090.01022.12
8.3.40.0070.01118.98
8.3.30.0080.00619.08
8.3.20.0030.00620.20
8.3.10.0050.00323.72
8.3.00.0110.00319.17
8.2.180.0070.00716.63
8.2.170.0110.01122.96
8.2.160.0140.00020.38
8.2.150.0030.00624.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0070.00020.90
8.2.110.0070.00320.92
8.2.100.0040.00817.84
8.2.90.0040.00419.22
8.2.80.0040.00417.97
8.2.70.0000.00817.50
8.2.60.0050.00317.93
8.2.50.0000.00918.16
8.2.40.0080.00022.32
8.2.30.0040.00419.27
8.2.20.0040.00417.73
8.2.10.0040.00418.17
8.2.00.0070.00017.85
8.1.280.0090.00925.92
8.1.270.0030.00623.72
8.1.260.0060.00326.35
8.1.250.0000.00728.09
8.1.240.0060.00322.65
8.1.230.0040.00720.41
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0060.00317.48
8.1.190.0080.00417.35
8.1.180.0040.00418.10
8.1.170.0040.00418.57
8.1.160.0030.00518.98
8.1.150.0040.00420.23
8.1.140.0050.00217.50
8.1.130.0070.00017.93
8.1.120.0030.00517.46
8.1.110.0040.00417.52
8.1.100.0050.00317.46
8.1.90.0040.00817.45
8.1.80.0000.00817.46
8.1.70.0040.00417.47
8.1.60.0090.00017.64
8.1.50.0000.00817.59
8.1.40.0000.00817.56
8.1.30.0030.00517.73
8.1.20.0040.00417.74
8.1.10.0040.00417.63
8.1.00.0000.00717.54
8.0.300.0000.00718.77
8.0.290.0020.00516.88
8.0.280.0000.00818.37
8.0.270.0030.00317.30
8.0.260.0050.00217.29
8.0.250.0000.00716.93
8.0.240.0030.00317.06
8.0.230.0030.00316.96
8.0.220.0030.00316.96
8.0.210.0040.00416.93
8.0.200.0070.00017.05
8.0.190.0000.00717.08
8.0.180.0000.00816.94
8.0.170.0030.00617.04
8.0.160.0040.00416.95
8.0.150.0030.00416.85
8.0.140.0040.00416.82
8.0.130.0060.00013.50
8.0.120.0080.00016.98
8.0.110.0000.00716.93
8.0.100.0000.00816.98
8.0.90.0000.00717.07
8.0.80.0110.01217.06
8.0.70.0080.00017.00
8.0.60.0050.00216.97
8.0.50.0040.00417.00
8.0.30.0100.01017.19
8.0.20.0140.00417.40
8.0.10.0050.00217.16
8.0.00.0130.00716.90
7.4.330.0040.00015.00
7.4.320.0000.00616.69
7.4.300.0000.00616.66
7.4.290.0040.00416.65
7.4.280.0030.00616.52
7.4.270.0030.00516.48
7.4.260.0070.00316.50
7.4.250.0070.00016.52
7.4.240.0020.00616.62
7.4.230.0040.00316.40
7.4.220.0060.01216.61
7.4.210.0080.00616.69
7.4.200.0040.00416.43
7.4.190.0000.00716.80
7.4.160.0110.00516.66
7.4.150.0180.00017.40
7.4.140.0070.01117.86
7.4.130.0070.01016.43
7.4.120.0050.01516.64
7.4.110.0170.00016.45
7.4.100.0030.01416.47
7.4.90.0080.00816.52
7.4.80.0170.00719.39
7.4.70.0070.01016.61
7.4.60.0140.00416.60
7.4.50.0060.00316.41
7.4.40.0120.00616.54
7.4.30.0090.00916.63
7.4.00.0100.00714.99
7.3.330.0050.00013.32
7.3.320.0000.00713.32
7.3.310.0030.00316.30
7.3.300.0050.00316.46
7.3.290.0130.00016.47
7.3.280.0070.01116.46
7.3.270.0110.00617.40
7.3.260.0030.01416.60
7.3.250.0050.01216.67
7.3.240.0100.00716.67
7.3.230.0110.00616.46
7.3.210.0110.00916.54
7.3.200.0040.01619.39
7.3.190.0160.00616.49
7.3.180.0060.01016.41
7.3.170.0130.00716.52
7.3.160.0130.00316.34
7.3.120.0100.00714.75
7.2.330.0090.01216.68
7.2.320.0100.00716.86
7.2.310.0180.00316.65
7.2.300.0070.01016.73
7.2.290.0130.01016.86
7.2.00.0070.00719.46
7.1.200.0000.01315.54
7.1.100.0030.00918.16
7.1.70.0070.00017.18
7.1.60.0060.01819.70
7.1.50.0030.01716.76
7.1.00.0100.07022.36
7.0.200.0080.00316.79
7.0.140.0070.07021.97
7.0.60.0170.07320.06
7.0.50.0070.08317.83
7.0.40.0100.07020.29
7.0.30.0370.06020.23
7.0.20.0200.04020.09
7.0.10.0370.07020.07
7.0.00.0170.07320.15
5.6.280.0100.06720.89
5.6.210.0000.08320.50
5.6.200.0130.06018.14
5.6.190.0100.07320.61
5.6.180.0070.06020.56
5.6.170.0400.04320.50
5.6.160.0030.05720.51
5.6.150.0130.05318.25
5.6.140.0030.08018.25
5.6.130.0200.07318.15
5.6.120.0070.07720.99
5.6.110.0070.05021.12
5.6.100.0070.06320.98
5.6.90.0030.07720.98
5.6.80.0170.07020.38
5.6.70.0270.06720.52
5.5.350.0000.07720.41
5.5.340.0130.04317.98
5.5.330.0100.08720.57
5.5.320.0300.04320.24
5.5.310.0430.07320.34
5.5.300.0070.07318.08
5.5.290.0030.09017.98
5.5.280.0030.05020.86
5.5.270.0030.07020.78
5.5.260.0070.04020.80
5.5.250.0070.06320.59
5.5.240.0100.08020.37
5.4.450.0270.03319.57
5.4.440.0200.04319.20
5.4.430.0230.04019.40
5.4.420.0200.05319.51
5.4.410.0330.04319.42
5.4.400.0270.04319.09
5.4.390.0230.04749.59
5.4.380.0200.05018.49
5.4.370.0200.06318.67
5.4.360.0170.05018.79
5.4.350.0130.07718.80
5.4.340.0200.05018.81
5.4.320.0060.04112.51
5.4.310.0040.03912.50
5.4.300.0100.07512.51
5.4.290.0170.07012.50
5.4.280.0100.05512.40
5.4.270.0090.04712.40
5.4.260.0140.04212.40
5.4.250.0120.05212.40
5.4.240.0110.03512.40
5.4.230.0080.04012.39
5.4.220.0080.04112.39
5.4.210.0120.06412.39
5.4.200.0100.03812.39
5.4.190.0050.03812.39
5.4.180.0110.04012.39
5.4.170.0080.03712.39
5.4.160.0090.03512.39
5.4.150.0080.04312.39
5.4.140.0090.03712.07
5.4.130.0080.04212.06
5.4.120.0070.04212.02
5.4.110.0090.04112.01
5.4.100.0130.04412.01
5.4.90.0130.06312.01
5.4.80.0180.08112.01
5.4.70.0080.04612.01
5.4.60.0050.05012.01
5.4.50.0070.04812.01
5.4.40.0080.05412.00
5.4.30.0090.05112.00
5.4.20.0110.04811.99
5.4.10.0120.05012.00
5.4.00.0090.04711.48
5.3.290.0030.04312.80
5.3.280.0060.05312.71
5.3.270.0070.07012.72
5.3.260.0230.07112.72
5.3.250.0100.05012.72
5.3.240.0120.03512.72
5.3.230.0080.04412.71
5.3.220.0070.04312.68
5.3.210.0060.05712.68
5.3.200.0100.03712.68
5.3.190.0070.04512.68
5.3.180.0050.04612.68
5.3.170.0150.04012.66
5.3.160.0110.04112.68
5.3.150.0100.05412.67
5.3.140.0100.04112.66
5.3.130.0110.04412.66
5.3.120.0090.03912.66
5.3.110.0140.08712.66
5.3.100.0090.05712.12
5.3.90.0050.04612.10
5.3.80.0070.03812.09
5.3.70.0080.03912.09
5.3.60.0050.04312.07
5.3.50.0070.03812.02
5.3.40.0070.03712.02
5.3.30.0040.04211.99
5.3.20.0100.03711.77
5.3.10.0050.04311.73
5.3.00.0160.07311.71
5.2.170.0050.0399.22
5.2.160.0100.0339.22
5.2.150.0060.0449.22
5.2.140.0070.0429.21
5.2.130.0060.0349.18
5.2.120.0100.0309.18
5.2.110.0090.0469.19
5.2.100.0060.0399.18
5.2.90.0070.0549.19
5.2.80.0130.0469.18
5.2.70.0100.0469.18
5.2.60.0100.0559.13
5.2.50.0130.0639.10
5.2.40.0100.0489.07
5.2.30.0130.0499.05
5.2.20.0100.0449.05
5.2.10.0110.0578.95
5.2.00.0100.0578.81
5.1.60.0060.0518.09
5.1.50.0110.0358.09
5.1.40.0090.0358.07
5.1.30.0070.0468.42
5.1.20.0080.0448.44
5.1.10.0120.0738.16
5.1.00.0080.0598.16
5.0.50.0060.0266.64
5.0.40.0080.0236.50
5.0.30.0090.0396.31
5.0.20.0140.0356.28
5.0.10.0080.0566.26
5.0.00.0050.0626.25
4.4.90.0020.0224.78
4.4.80.0040.0224.76
4.4.70.0060.0204.75
4.4.60.0040.0224.75
4.4.50.0040.0224.77
4.4.40.0040.0434.71
4.4.30.0050.0254.76
4.4.20.0090.0334.85
4.4.10.0070.0254.85
4.4.00.0050.0254.76
4.3.110.0000.0224.67
4.3.100.0060.0144.67
4.3.90.0020.0174.63
4.3.80.0010.0314.58
4.3.70.0050.0144.63
4.3.60.0010.0194.63
4.3.50.0030.0184.63
4.3.40.0030.0284.53
4.3.30.0020.0203.30
4.3.20.0050.0183.29
4.3.10.0050.0403.23
4.3.00.0070.01346.74

preferences:
49.47 ms | 400 KiB | 5 Q