3v4l.org

run code in 300+ PHP versions simultaneously
<?php function mergeArray(array $arr1, array $arr2) { $keysStats = array(); foreach ($arr1 as $index => $key) { $keys[$key] = array( 'arr1' => $index, 'arr2' => null ); } foreach ($arr1 as $index => $key) { if (!is_array($keys[$key])) { $keys[$key] = array( 'arr1' => null ); } $keys[$key]['arr2'] = $index; } $merged = array(); foreach (sort($keys) as $key => $score) { if (is_null($keys['arr2'])) { $merged[] = null; } else { $merged[] = $arr2[$keys['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)
8.3.40.0090.00918.84
8.3.30.0110.00419.16
8.3.20.0080.00020.11
8.3.10.0040.00423.66
8.3.00.0030.00619.00
8.2.170.0150.00022.96
8.2.160.0050.00920.32
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00420.85
8.2.110.0140.00019.29
8.2.100.0030.00917.91
8.2.90.0050.00317.95
8.2.80.0000.00817.97
8.2.70.0040.00817.75
8.2.60.0070.00319.40
8.2.50.0040.00418.07
8.2.40.0000.00820.96
8.2.30.0030.00718.31
8.2.20.0080.00017.84
8.2.10.0000.00718.15
8.2.00.0000.00817.77
8.1.270.0040.00423.61
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0060.00322.64
8.1.230.0060.00621.00
8.1.220.0030.00617.74
8.1.210.0000.00818.90
8.1.200.0070.00717.48
8.1.190.0080.00017.38
8.1.180.0000.00818.10
8.1.170.0080.00018.66
8.1.160.0100.00022.09
8.1.150.0040.00418.73
8.1.140.0080.00017.50
8.1.130.0070.00017.96
8.1.120.0000.00717.46
8.1.110.0040.00417.51
8.1.100.0060.00317.46
8.1.90.0060.00317.53
8.1.80.0050.00317.50
8.1.70.0050.00217.46
8.1.60.0000.01017.53
8.1.50.0040.00417.52
8.1.40.0040.00417.58
8.1.30.0000.00817.71
8.1.20.0040.00417.61
8.1.10.0040.00417.62
8.1.00.0040.00417.51
8.0.300.0000.00819.98
8.0.290.0070.00017.30
8.0.280.0000.00718.45
8.0.270.0030.00317.19
8.0.260.0040.00417.20
8.0.250.0070.00017.01
8.0.240.0070.00016.93
8.0.230.0070.00017.00
8.0.220.0030.00316.86
8.0.210.0000.00716.97
8.0.200.0030.00317.05
8.0.190.0070.00017.04
8.0.180.0040.00416.91
8.0.170.0000.00817.05
8.0.160.0030.00516.99
8.0.150.0000.00716.96
8.0.140.0040.00417.02
8.0.130.0050.00013.43
8.0.120.0000.00816.98
8.0.110.0000.00716.91
8.0.100.0040.00416.95
8.0.90.0000.00816.87
8.0.80.0170.00416.95
8.0.70.0030.00616.91
8.0.60.0070.00017.07
8.0.50.0070.00016.94
8.0.30.0140.00417.03
8.0.20.0110.00817.40
8.0.10.0070.00017.00
8.0.00.0110.01016.94
7.4.330.0030.00315.00
7.4.320.0030.00316.69
7.4.300.0030.00316.67
7.4.290.0000.00716.67
7.4.280.0080.00016.68
7.4.270.0050.00316.54
7.4.260.0030.00316.64
7.4.250.0040.00416.51
7.4.240.0020.00516.66
7.4.230.0040.00416.74
7.4.220.0060.01216.68
7.4.210.0030.01016.48
7.4.200.0030.00316.54
7.4.190.0030.00416.65
7.4.160.0110.00516.48
7.4.150.0130.01017.40
7.4.140.0140.00817.86
7.4.130.0090.00816.55
7.4.120.0050.01316.62
7.4.110.0120.00816.57
7.4.100.0030.01416.71
7.4.90.0000.01816.42
7.4.80.0030.01719.39
7.4.70.0060.00916.57
7.4.60.0070.01016.54
7.4.50.0030.00616.63
7.4.40.0040.01416.54
7.4.30.0070.01416.71
7.4.00.0100.00715.09
7.3.330.0050.00013.48
7.3.320.0040.00413.54
7.3.310.0000.00816.32
7.3.300.0000.00616.48
7.3.290.0030.01016.48
7.3.280.0080.01016.50
7.3.270.0060.01617.40
7.3.260.0070.01016.34
7.3.250.0100.00816.59
7.3.240.0040.01416.57
7.3.230.0100.00616.56
7.3.210.0120.00616.37
7.3.200.0040.01819.39
7.3.190.0040.01216.66
7.3.180.0080.00816.45
7.3.170.0100.00616.48
7.3.160.0070.01016.45
7.3.120.0070.01114.75
7.2.330.0130.01016.76
7.2.320.0100.00716.72
7.2.310.0100.00716.75
7.2.300.0060.01516.52
7.2.290.0090.00916.79
7.2.00.0040.00819.43
7.1.100.0000.01118.36
7.1.70.0000.00717.34
7.1.60.0100.01319.70
7.1.50.0040.01916.67
7.1.00.0070.07322.43
7.0.200.0050.00516.75
7.0.140.0130.06322.11
7.0.60.0070.04020.05
7.0.50.0070.07717.92
7.0.40.0030.05320.40
7.0.30.0300.05020.33
7.0.20.0230.03720.22
7.0.10.0230.07020.15
7.0.00.0200.06320.24
5.6.280.0000.07720.79
5.6.210.0030.05720.57
5.6.200.0100.06018.15
5.6.190.0170.08020.39
5.6.180.0030.04320.55
5.6.170.0400.07720.52
5.6.160.0130.07720.62
5.6.150.0070.05018.23
5.6.140.0070.05318.24
5.6.130.0030.05718.23
5.6.120.0070.07021.00
5.6.110.0170.09320.95
5.6.100.0170.06720.89
5.6.90.0030.07721.11
5.6.80.0070.05320.41
5.6.70.0230.07020.40
5.5.350.0000.08320.41
5.5.340.0100.06017.92
5.5.330.0000.05320.37
5.5.320.0400.05320.27
5.5.310.0170.04720.30
5.5.300.0030.08317.98
5.5.290.0030.08017.98
5.5.280.0170.03020.66
5.5.270.0130.08020.80
5.5.260.0130.06720.77
5.5.250.0100.06020.55
5.5.240.0130.07320.28
5.4.450.0170.05319.20
5.4.440.0230.03319.48
5.4.430.0300.03719.40
5.4.420.0400.04319.46
5.4.410.0200.04319.18
5.4.400.0100.04051.95
5.4.390.0470.04349.59
5.4.380.0030.08718.70
5.4.370.0300.06018.69
5.4.360.0070.06018.80
5.4.350.0200.05318.45
5.4.340.0270.06718.69
5.4.320.0140.02912.50
5.4.310.0040.04512.50
5.4.300.0100.04912.50
5.4.290.0130.05812.50
5.4.280.0050.04212.40
5.4.270.0140.05912.40
5.4.260.0060.05212.40
5.4.250.0040.04912.40
5.4.240.0110.04812.40
5.4.230.0070.05512.39
5.4.220.0120.04912.39
5.4.210.0100.04512.39
5.4.200.0080.05012.39
5.4.190.0110.05212.39
5.4.180.0120.05812.38
5.4.170.0100.05412.39
5.4.160.0110.05212.39
5.4.150.0110.05112.39
5.4.140.0070.04112.07
5.4.130.0130.05912.06
5.4.120.0080.04212.02
5.4.110.0050.04312.02
5.4.100.0070.03712.01
5.4.90.0060.04112.01
5.4.80.0030.04312.02
5.4.70.0070.03812.01
5.4.60.0030.04212.01
5.4.50.0110.03812.01
5.4.40.0040.04212.00
5.4.30.0050.04511.99
5.4.20.0060.04011.99
5.4.10.0060.03911.99
5.4.00.0100.03611.49
5.3.290.0050.04012.80
5.3.280.0100.04112.71
5.3.270.0150.07412.73
5.3.260.0110.05212.72
5.3.250.0070.04012.72
5.3.240.0150.07912.72
5.3.230.0090.03912.71
5.3.220.0060.04212.68
5.3.210.0120.04712.68
5.3.200.0150.05012.68
5.3.190.0100.04812.68
5.3.180.0100.05112.68
5.3.170.0100.05212.67
5.3.160.0170.06412.68
5.3.150.0170.06212.68
5.3.140.0110.04612.66
5.3.130.0150.06912.66
5.3.120.0180.05412.66
5.3.110.0090.05912.66
5.3.100.0140.05112.12
5.3.90.0180.04412.10
5.3.80.0130.05112.09
5.3.70.0210.06912.10
5.3.60.0140.11312.08
5.3.50.0140.08712.03
5.3.40.0150.08312.03
5.3.30.0110.05711.99
5.3.20.0090.05311.77
5.3.10.0080.05511.73
5.3.00.0120.05311.71
5.2.170.0080.0469.22
5.2.160.0060.0489.22
5.2.150.0100.0439.22
5.2.140.0100.0689.21
5.2.130.0100.0409.17
5.2.120.0120.0539.18
5.2.110.0060.0489.18
5.2.100.0060.0489.18
5.2.90.0100.0529.18
5.2.80.0090.0549.18
5.2.70.0110.0539.18
5.2.60.0080.0569.13
5.2.50.0120.0359.10
5.2.40.0090.0349.07
5.2.30.0120.0479.05
5.2.20.0110.0479.04
5.2.10.0080.0458.95
5.2.00.0060.0508.81
5.1.60.0090.0418.09
5.1.50.0060.0448.09
5.1.40.0100.0418.07
5.1.30.0060.0468.42
5.1.20.0070.0468.44
5.1.10.0080.0468.17
5.1.00.0090.0488.17
5.0.50.0040.0376.64
5.0.40.0060.0366.50
5.0.30.0040.0586.31
5.0.20.0120.0356.29
5.0.10.0110.0406.25
5.0.00.0100.0546.25
4.4.90.0050.0304.78
4.4.80.0070.0254.76
4.4.70.0050.0274.75
4.4.60.0050.0254.76
4.4.50.0090.0314.77
4.4.40.0070.0434.71
4.4.30.0060.0284.76
4.4.20.0050.0294.84
4.4.10.0040.0244.85
4.4.00.0030.0324.76
4.3.110.0040.0214.67
4.3.100.0040.0234.66
4.3.90.0060.0204.64
4.3.80.0010.0334.58
4.3.70.0040.0204.63
4.3.60.0050.0204.63
4.3.50.0040.0234.63
4.3.40.0060.0314.53
4.3.30.0030.0253.30
4.3.20.0070.0193.29
4.3.10.0020.0233.23
4.3.00.0030.01746.74

preferences:
50.18 ms | 400 KiB | 5 Q