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'] = $index; } } sort($keyStats); $merged = array(); foreach ($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)
8.3.60.0100.01018.58
8.3.50.0070.00822.10
8.3.40.0110.00418.73
8.3.30.0090.00619.04
8.3.20.0060.00320.16
8.3.10.0000.00823.53
8.3.00.0040.00418.83
8.2.180.0090.00617.00
8.2.170.0130.00322.96
8.2.160.0060.00920.38
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0090.00020.65
8.2.110.0030.00622.05
8.2.100.0110.00020.59
8.2.90.0030.00719.17
8.2.80.0050.00317.97
8.2.70.0060.00317.75
8.2.60.0030.00517.92
8.2.50.0040.00418.07
8.2.40.0040.00421.07
8.2.30.0000.00718.39
8.2.20.0000.00817.76
8.2.10.0000.00718.06
8.2.00.0080.00017.80
8.1.280.0070.01025.92
8.1.270.0040.00423.92
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0060.00322.10
8.1.230.0090.00319.09
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0040.00817.38
8.1.190.0030.00517.38
8.1.180.0030.00618.10
8.1.170.0050.00318.64
8.1.160.0060.00321.93
8.1.150.0000.00718.68
8.1.140.0060.00317.47
8.1.130.0050.00317.82
8.1.120.0040.00417.42
8.1.110.0040.00417.47
8.1.100.0040.00417.41
8.1.90.0000.01117.43
8.1.80.0040.00417.38
8.1.70.0030.00317.32
8.1.60.0080.00317.64
8.1.50.0040.00417.52
8.1.40.0040.00417.44
8.1.30.0040.00417.60
8.1.20.0040.00417.58
8.1.10.0000.00717.64
8.1.00.0030.00617.52
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.38
8.0.270.0040.00417.33
8.0.260.0040.00417.27
8.0.250.0040.00416.88
8.0.240.0050.00217.00
8.0.230.0080.00016.92
8.0.220.0040.00416.84
8.0.210.0000.00817.03
8.0.200.0000.00617.04
8.0.190.0040.00417.07
8.0.180.0040.00416.89
8.0.170.0050.00316.99
8.0.160.0070.00017.00
8.0.150.0000.00716.89
8.0.140.0000.00716.84
8.0.130.0000.00613.44
8.0.120.0070.00016.95
8.0.110.0040.00416.97
8.0.100.0040.00416.77
8.0.90.0030.00516.84
8.0.80.0090.01216.95
8.0.70.0040.00416.92
8.0.60.0050.00316.93
8.0.50.0040.00416.81
8.0.30.0090.00817.13
8.0.20.0060.01217.40
8.0.10.0050.00216.95
8.0.00.0050.01317.00
7.4.330.0000.00615.00
7.4.320.0040.00416.66
7.4.300.0000.00616.43
7.4.290.0000.00716.52
7.4.280.0000.00816.66
7.4.270.0050.00316.61
7.4.260.0030.00616.53
7.4.250.0000.00716.54
7.4.240.0020.00516.59
7.4.230.0000.00716.71
7.4.220.0070.01016.46
7.4.210.0110.00416.71
7.4.200.0030.00316.56
7.4.190.0030.00316.72
7.4.160.0030.01316.52
7.4.150.0150.00317.40
7.4.140.0120.00517.86
7.4.130.0100.00716.54
7.4.120.0130.00816.52
7.4.110.0070.01016.52
7.4.100.0080.00816.34
7.4.90.0030.01516.74
7.4.80.0150.00319.39
7.4.70.0130.00316.69
7.4.60.0090.00916.50
7.4.50.0040.00416.54
7.4.40.0150.00616.29
7.4.30.0030.01316.60
7.4.00.0060.00814.89
7.3.330.0040.00213.26
7.3.320.0070.00013.51
7.3.310.0050.00316.46
7.3.300.0000.00716.45
7.3.290.0030.01216.43
7.3.280.0090.01016.40
7.3.270.0080.00817.40
7.3.260.0090.01316.40
7.3.250.0090.00816.42
7.3.240.0150.00316.68
7.3.230.0100.00716.63
7.3.210.0070.01016.49
7.3.200.0120.00419.39
7.3.190.0160.00616.36
7.3.180.0130.00316.65
7.3.170.0000.01516.51
7.3.160.0060.01016.46
7.3.120.0100.00714.89
7.3.10.0120.00016.87
7.3.00.0030.01216.45
7.2.330.0120.00616.55
7.2.320.0030.01416.76
7.2.310.0060.01616.57
7.2.300.0040.01316.73
7.2.290.0070.01016.40
7.2.130.0130.00017.18
7.2.120.0030.00616.95
7.2.110.0000.00917.00
7.2.100.0090.00317.05
7.2.90.0070.00716.72
7.2.80.0100.00316.82
7.2.70.0060.00616.83
7.2.60.0080.00616.96
7.2.50.0050.00516.82
7.2.40.0050.00516.99
7.2.30.0090.00616.98
7.2.20.0040.00717.02
7.2.10.0080.00416.61
7.2.00.0100.00316.83
7.1.250.0040.00415.85
7.1.200.0080.00615.79
7.1.70.0050.00517.08
7.1.60.0210.00319.70
7.1.50.0060.01817.07
7.1.00.0070.07322.57
7.0.200.0090.00616.82
7.0.140.0070.07022.00
7.0.60.0030.04019.85
7.0.50.0130.05317.89
7.0.40.0070.04320.26
7.0.30.0200.04320.12
7.0.20.0200.04720.22
7.0.10.0200.09020.08
7.0.00.0030.08720.25
5.6.280.0070.06721.13
5.6.210.0030.09020.48
5.6.200.0070.08718.14
5.6.190.0100.06720.61
5.6.180.0100.07320.52
5.6.170.0300.04320.48
5.6.160.0070.05720.53
5.6.150.0100.03318.23
5.6.140.0130.07718.24
5.6.130.0000.04718.18
5.6.120.0070.06021.05
5.6.110.0200.07721.02
5.6.100.0070.06720.99
5.6.90.0000.09321.11
5.6.80.0070.08320.41
5.6.70.4470.03720.52
5.5.350.0030.05720.45
5.5.340.0130.05317.96
5.5.330.0100.08020.21
5.5.320.0430.06320.26
5.5.310.0300.06720.27
5.5.300.0070.07718.03
5.5.290.0100.07018.04
5.5.280.0100.04320.88
5.5.270.0070.04720.88
5.5.260.0070.08020.89
5.5.250.0130.08020.70
5.5.240.0070.06020.27
5.4.450.0200.04319.41
5.4.440.0200.04019.54
5.4.430.0200.04719.52
5.4.420.0370.03319.39
5.4.410.0630.05019.44
5.4.400.0300.03352.46
5.4.390.0270.04749.60
5.4.380.0200.04718.84
5.4.370.0130.05318.84
5.4.360.0300.04018.70
5.4.350.0270.04318.84
5.4.340.0170.05318.52
5.4.320.0050.03912.50
5.4.310.0080.04512.50
5.4.300.0060.05812.51
5.4.290.0060.06012.50
5.4.280.0130.04812.40
5.4.270.0090.05212.39
5.4.260.0080.05312.40
5.4.250.0150.07512.40
5.4.240.0150.05912.40
5.4.230.0090.06612.39
5.4.220.0120.06812.39
5.4.210.0110.08012.39
5.4.200.0150.06212.39
5.4.190.0070.05712.39
5.4.180.0130.05312.39
5.4.170.0060.06312.40
5.4.160.0110.06812.39
5.4.150.0090.07112.39
5.4.140.0160.06912.07
5.4.130.0060.06012.06
5.4.120.0120.05912.02
5.4.110.0130.04612.01
5.4.100.0080.05412.01
5.4.90.0100.05812.01
5.4.80.0140.06212.02
5.4.70.0100.05312.01
5.4.60.0050.05312.01
5.4.50.0070.05512.01
5.4.40.0080.04912.00
5.4.30.0070.04812.00
5.4.20.0090.05412.00
5.4.10.0080.04811.99
5.4.00.0080.05411.48
5.3.290.0080.04212.80
5.3.280.0120.05112.71
5.3.270.0080.06612.73
5.3.260.0110.05212.72
5.3.250.0060.05612.72
5.3.240.0040.04512.72
5.3.230.0080.05112.71
5.3.220.0060.05312.68
5.3.210.0060.05812.68
5.3.200.0130.05012.68
5.3.190.0100.04912.68
5.3.180.0110.06212.68
5.3.170.0080.07112.67
5.3.160.0110.05812.68
5.3.150.0160.06612.67
5.3.140.0090.06012.66
5.3.130.0120.05712.66
5.3.120.0120.05312.66
5.3.110.0120.09312.66
5.3.100.0070.05312.13
5.3.90.0080.03912.11
5.3.80.0090.05512.09
5.3.70.0070.04812.09
5.3.60.0220.09112.08
5.3.50.0060.05212.03
5.3.40.0100.03812.03
5.3.30.0050.04211.98
5.3.20.0080.03811.77
5.3.10.0100.03611.75
5.3.00.0100.03711.72
5.2.170.0050.0349.22
5.2.160.0070.0309.22
5.2.150.0070.0309.22
5.2.140.0050.0369.23
5.2.130.0070.0349.18
5.2.120.0070.0399.18
5.2.110.0070.0389.18
5.2.100.0060.0459.18
5.2.90.0060.0479.18
5.2.80.0080.0429.18
5.2.70.0040.0469.18
5.2.60.0040.0499.13
5.2.50.0070.0489.10
5.2.40.0040.0319.07
5.2.30.0030.0329.06
5.2.20.0070.0389.04
5.2.10.0100.0358.95
5.2.00.0050.0428.81
5.1.60.0050.0268.10
5.1.50.0060.0268.09
5.1.40.0070.0338.07
5.1.30.0080.0388.42
5.1.20.0060.0408.45
5.1.10.0070.0368.17
5.1.00.0070.0408.17
5.0.50.0040.0296.64
5.0.40.0070.0266.50
5.0.30.0070.0416.31
5.0.20.0070.0256.29
5.0.10.0060.0266.26
5.0.00.0070.0376.25
4.4.90.0060.0244.77
4.4.80.0020.0244.75
4.4.70.0020.0234.75
4.4.60.0080.0174.75
4.4.50.0040.0354.77
4.4.40.0040.0394.71
4.4.30.0060.0194.76
4.4.20.0100.0364.84
4.4.10.0060.0474.85
4.4.00.0050.0314.76
4.3.110.0070.0284.67
4.3.100.0030.0254.66
4.3.90.0070.0224.64
4.3.80.0060.0334.58
4.3.70.0050.0194.63
4.3.60.0040.0214.63
4.3.50.0030.0234.63
4.3.40.0060.0274.54
4.3.30.0010.0183.30
4.3.20.0000.0193.29
4.3.10.0010.0183.23
4.3.00.0130.01746.75

preferences:
45.01 ms | 401 KiB | 5 Q