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 => $key) { if (!is_array($keysStats[$key])) { $keysStats[$key] = array( 'arr1' => null, 'arr2' => $index ); } else { $keysStats[$key]['arr2'] = $index; } } $allKeys = array_keys($keysStats); sort($allKeys); $merged = array(); foreach ($allKeys as $key) { if (is_null($keysStats[$key]['arr2'])) { $merged[] = null; } else { $merged[] = $arr2[$keysStats[$key]['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)
8.3.40.0090.00919.09
8.3.30.0090.00619.19
8.3.20.0050.00320.25
8.3.10.0050.00323.66
8.3.00.0080.00019.19
8.2.170.0070.00722.96
8.2.160.0000.01420.36
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0050.00220.67
8.2.110.0030.00622.20
8.2.100.0090.00319.57
8.2.90.0000.00919.36
8.2.80.0080.00017.97
8.2.70.0030.00617.75
8.2.60.0030.00618.05
8.2.50.0000.00818.07
8.2.40.0080.00021.18
8.2.30.0080.00018.31
8.2.20.0000.00817.78
8.2.10.0040.00418.14
8.2.00.0000.00817.70
8.1.270.0050.00323.82
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0030.00622.05
8.1.230.0110.00018.97
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0060.00317.48
8.1.190.0040.00417.35
8.1.180.0000.01218.10
8.1.170.0040.00418.66
8.1.160.0070.00021.95
8.1.150.0020.00518.61
8.1.140.0040.00417.51
8.1.130.0000.00717.83
8.1.120.0000.00717.52
8.1.110.0040.00417.55
8.1.100.0000.00817.47
8.1.90.0000.00917.50
8.1.80.0020.00517.48
8.1.70.0030.00617.46
8.1.60.0030.00717.48
8.1.50.0040.00417.55
8.1.40.0000.00917.49
8.1.30.0040.00417.55
8.1.20.0040.00417.57
8.1.10.0080.00017.45
8.1.00.0040.00417.55
8.0.300.0040.00418.77
8.0.290.0070.00017.05
8.0.280.0030.00318.46
8.0.270.0020.00517.20
8.0.260.0040.00417.33
8.0.250.0030.00317.00
8.0.240.0070.00016.93
8.0.230.0070.00017.02
8.0.220.0030.00316.95
8.0.210.0040.00416.96
8.0.200.0030.00317.01
8.0.190.0040.00417.05
8.0.180.0040.00417.00
8.0.170.0030.00616.89
8.0.160.0070.00017.02
8.0.150.0040.00416.98
8.0.140.0000.00716.92
8.0.130.0060.00013.44
8.0.120.0030.00516.86
8.0.110.0040.00416.83
8.0.100.0060.00316.78
8.0.90.0050.00216.82
8.0.80.0110.00416.86
8.0.70.0040.00417.09
8.0.60.0040.00417.03
8.0.50.0080.00016.96
8.0.30.0110.00917.17
8.0.20.0110.01017.40
8.0.10.0070.00017.11
8.0.00.0100.00816.77
7.4.330.0060.00015.00
7.4.320.0030.00316.42
7.4.300.0000.00616.45
7.4.290.0030.00316.45
7.4.280.0000.00716.59
7.4.270.0030.00316.42
7.4.260.0060.00316.52
7.4.250.0000.00716.62
7.4.240.0040.00316.59
7.4.230.0000.00716.57
7.4.220.0080.00816.57
7.4.210.0070.00716.51
7.4.200.0070.00016.73
7.4.190.0040.00416.42
7.4.160.0030.01716.42
7.4.150.0110.00617.40
7.4.140.0120.00617.86
7.4.130.0080.01116.64
7.4.120.0080.00916.58
7.4.110.0150.00916.39
7.4.100.0120.00616.52
7.4.90.0120.00416.54
7.4.80.0030.01319.39
7.4.70.0040.01216.67
7.4.60.0130.00716.59
7.4.50.0040.00416.66
7.4.40.0140.00316.36
7.4.30.0140.00716.60
7.4.00.0080.00515.18
7.3.330.0000.00613.50
7.3.320.0040.00413.36
7.3.310.0060.00316.46
7.3.300.0000.00716.40
7.3.290.0090.00616.41
7.3.280.0090.01116.43
7.3.270.0070.01017.40
7.3.260.0150.00316.33
7.3.250.0090.00916.42
7.3.240.0080.01416.34
7.3.230.0030.01316.45
7.3.210.0030.01816.41
7.3.200.0060.01619.39
7.3.190.0090.01216.45
7.3.180.0000.01716.63
7.3.170.0070.00716.48
7.3.160.0120.00916.44
7.3.120.0040.01214.96
7.2.330.0070.01116.80
7.2.320.0140.00316.57
7.2.310.0030.01916.86
7.2.300.0030.01416.77
7.2.290.0050.01116.78
7.2.60.0060.00916.75
7.2.00.0250.00619.23
7.1.200.0030.01015.91
7.1.100.0030.01017.98
7.1.70.0030.00317.31
7.1.60.0090.00919.70
7.1.50.0030.00916.96
7.1.00.0030.07722.35
7.0.200.0040.00716.79
7.0.140.0100.06722.13
7.0.60.0000.05319.81
7.0.50.0030.04317.89
7.0.40.0130.04720.15
7.0.30.0370.05720.19
7.0.20.0130.04720.24
7.0.10.0070.09020.21
7.0.00.0130.05020.11
5.6.280.0070.06721.04
5.6.210.0030.08720.73
5.6.200.0000.04318.23
5.6.190.0070.04020.57
5.6.180.0330.05720.52
5.6.170.0230.07720.54
5.6.160.0030.08720.48
5.6.150.0000.04718.29
5.6.140.0130.06018.17
5.6.130.0100.06318.24
5.6.120.0030.09020.96
5.6.110.0100.07321.00
5.6.100.0000.08021.05
5.6.90.0070.06320.98
5.6.80.0070.06720.53
5.5.350.0230.07020.34
5.5.340.0100.05717.92
5.5.330.0100.08320.25
5.5.320.0300.05720.42
5.5.310.0270.07720.34
5.5.300.0130.07717.95
5.5.290.0030.04718.02
5.5.280.0070.06320.66
5.5.270.0100.08320.66
5.5.260.0030.07320.79
5.5.250.0130.03320.56
5.5.240.0070.07020.19
5.4.450.0170.04019.46
5.4.440.0270.04319.17
5.4.430.0300.04019.33
5.4.420.0200.04719.63
5.4.410.0130.02719.39
5.4.400.0500.05019.07
5.4.390.0400.04049.63
5.4.380.0130.05318.80
5.4.370.0030.06018.78
5.4.360.0170.05018.83
5.4.350.0170.06718.70
5.4.340.0100.05318.80
5.4.320.0060.03812.50
5.4.310.0070.03712.50
5.4.300.0080.05412.50
5.4.290.0180.06712.50
5.4.280.0090.05512.39
5.4.270.0070.06512.40
5.4.260.0100.06012.40
5.4.250.0090.05512.40
5.4.240.0050.05612.39
5.4.230.0100.05512.39
5.4.220.0120.05212.39
5.4.210.0190.11012.39
5.4.200.0110.06412.39
5.4.190.0080.05912.39
5.4.180.0130.06012.39
5.4.170.0060.05412.40
5.4.160.0080.03812.39
5.4.150.0090.03812.38
5.4.140.0080.05312.07
5.4.130.0060.06112.06
5.4.120.0070.05712.02
5.4.110.0060.05612.01
5.4.100.0070.05112.02
5.4.90.0070.04612.01
5.4.80.0070.03912.01
5.4.70.0040.05812.01
5.4.60.0060.05112.01
5.4.50.0080.05312.00
5.4.40.0060.05412.00
5.4.30.0100.04911.99
5.4.20.0080.06012.00
5.4.10.0080.04611.99
5.4.00.0150.04511.48
5.3.290.0050.04012.80
5.3.280.0120.05612.71
5.3.270.0100.07112.72
5.3.260.0100.05712.72
5.3.250.0130.06612.72
5.3.240.0140.05712.72
5.3.230.0060.05912.71
5.3.220.0110.07012.68
5.3.210.0070.05412.68
5.3.200.0080.05012.68
5.3.190.0080.05212.67
5.3.180.0060.06112.67
5.3.170.0110.04712.67
5.3.160.0120.05412.67
5.3.150.0130.04912.67
5.3.140.0110.05112.66
5.3.130.0060.06112.66
5.3.120.0040.05012.65
5.3.110.0050.04312.66
5.3.100.0080.03812.13
5.3.90.0060.05212.11
5.3.80.0080.03412.09
5.3.70.0050.04912.10
5.3.60.0090.04812.08
5.3.50.0070.05112.03
5.3.40.0110.04712.03
5.3.30.0070.04811.99
5.3.20.0060.05011.77
5.3.10.0100.07211.73
5.3.00.0100.05011.72
5.2.170.0050.0469.22
5.2.160.0080.0429.22
5.2.150.0040.0479.22
5.2.140.0050.0569.22
5.2.130.0080.0579.18
5.2.120.0070.0419.18
5.2.110.0060.0409.19
5.2.100.0090.0499.19
5.2.90.0060.0449.18
5.2.80.0040.0459.18
5.2.70.0070.0509.18
5.2.60.0100.0459.13
5.2.50.0080.0439.10
5.2.40.0040.0449.08
5.2.30.0090.0429.05
5.2.20.0040.0499.05
5.2.10.0080.0408.95
5.2.00.0080.0518.81
5.1.60.0070.0358.10
5.1.50.0070.0368.09
5.1.40.0060.0388.07
5.1.30.0060.0408.42
5.1.20.0070.0428.45
5.1.10.0070.0378.17
5.1.00.0090.0368.17
5.0.50.0040.0326.64
5.0.40.0060.0296.50
5.0.30.0040.0456.31
5.0.20.0050.0276.29
5.0.10.0100.0236.25
5.0.00.0080.0426.25
4.4.90.0070.0404.78
4.4.80.0050.0264.76
4.4.70.0060.0214.75
4.4.60.0030.0214.75
4.4.50.0020.0204.77
4.4.40.0060.0274.71
4.4.30.0050.0224.76
4.4.20.0010.0264.84
4.4.10.0030.0244.85
4.4.00.0040.0334.76
4.3.110.0030.0234.67
4.3.100.0050.0164.67
4.3.90.0040.0164.64
4.3.80.0030.0354.58
4.3.70.0030.0244.63
4.3.60.0040.0214.63
4.3.50.0030.0224.63
4.3.40.0030.0334.54
4.3.30.0040.0243.30
4.3.20.0040.0283.29
4.3.10.0030.0263.23
4.3.00.0030.02046.75

preferences:
36.07 ms | 400 KiB | 5 Q