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' => $index, 'arr2' => null ); } foreach ($arr2 as $index => $key) { if (!array_key_exists($key, $keysStats)) { $keysStats[$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 $merged; } var_dump(mergeArray( array( 'a', 'b', 'c', 'd', 'e', 'f', 'g' ), array( 'a', 'b', 'q', 'z' ) ));

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)
8.3.60.0110.01118.36
8.3.50.0090.00622.09
8.3.40.0110.00418.71
8.3.30.0110.00419.27
8.3.20.0060.00320.25
8.3.10.0020.00523.65
8.3.00.0080.00019.21
8.2.180.0120.00316.36
8.2.170.0090.00622.96
8.2.160.0070.00720.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0050.00320.72
8.2.110.0000.00922.11
8.2.100.0110.00020.58
8.2.90.0050.00319.17
8.2.80.0050.00317.97
8.2.70.0030.00617.63
8.2.60.0030.00617.93
8.2.50.0060.00318.07
8.2.40.0040.00421.14
8.2.30.0000.00718.39
8.2.20.0040.00417.76
8.2.10.0040.00418.15
8.2.00.0040.00417.76
8.1.280.0110.00325.92
8.1.270.0040.00423.97
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0060.00322.11
8.1.230.0040.00719.11
8.1.220.0000.00817.79
8.1.210.0040.00418.77
8.1.200.0100.00017.35
8.1.190.0000.00817.36
8.1.180.0040.00418.10
8.1.170.0040.00418.56
8.1.160.0000.00921.90
8.1.150.0040.00418.65
8.1.140.0060.00317.38
8.1.130.0000.00717.89
8.1.120.0000.00817.52
8.1.110.0000.00817.37
8.1.100.0070.00017.43
8.1.90.0000.01117.34
8.1.80.0040.00417.53
8.1.70.0000.00817.36
8.1.60.0030.01017.65
8.1.50.0040.00417.50
8.1.40.0000.00717.51
8.1.30.0040.00417.56
8.1.20.0030.00517.57
8.1.10.0050.00317.67
8.1.00.0040.00417.51
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0030.00318.45
8.0.270.0080.00017.38
8.0.260.0040.00417.18
8.0.250.0040.00416.97
8.0.240.0030.00316.95
8.0.230.0080.00016.80
8.0.220.0000.00816.91
8.0.210.0000.00816.96
8.0.200.0030.00316.94
8.0.190.0000.00716.93
8.0.180.0070.00016.91
8.0.170.0050.00316.83
8.0.160.0060.00316.87
8.0.150.0030.00316.82
8.0.140.0000.00716.90
8.0.130.0000.00613.35
8.0.120.0040.00416.86
8.0.110.0000.00716.80
8.0.100.0020.00516.68
8.0.90.0030.00316.78
8.0.80.0080.00916.79
8.0.70.0050.00216.70
8.0.60.0040.00416.70
8.0.50.0070.00016.89
8.0.30.0120.00817.01
8.0.20.0120.00617.40
8.0.10.0070.00016.88
8.0.00.0060.01116.80
7.4.330.0050.00015.00
7.4.320.0070.00016.56
7.4.300.0030.00316.51
7.4.290.0000.00716.61
7.4.280.0000.00816.53
7.4.270.0000.00716.48
7.4.260.0100.00016.63
7.4.250.0050.00216.58
7.4.240.0020.00516.46
7.4.230.0070.00016.50
7.4.220.0120.00616.69
7.4.210.0090.00516.56
7.4.200.0070.00016.51
7.4.190.0000.00716.39
7.4.160.0060.00916.36
7.4.150.0070.01317.40
7.4.140.0120.00717.86
7.4.130.0090.00816.47
7.4.120.0060.01116.52
7.4.110.0170.00716.73
7.4.100.0130.00416.53
7.4.90.0090.00916.50
7.4.80.0160.00319.39
7.4.70.0100.00716.57
7.4.60.0110.00616.29
7.4.50.0060.00316.34
7.4.40.0130.00316.63
7.4.30.0100.00716.63
7.4.00.0090.00914.89
7.3.330.0000.00713.36
7.3.320.0060.00013.37
7.3.310.0000.00916.39
7.3.300.0070.00016.32
7.3.290.0030.01016.34
7.3.280.0080.01116.40
7.3.270.0100.00717.40
7.3.260.0130.00316.61
7.3.250.0080.01316.64
7.3.240.0060.01216.65
7.3.230.0080.01116.56
7.3.210.0070.01616.38
7.3.200.0060.01619.39
7.3.190.0060.01016.52
7.3.180.0000.01516.43
7.3.170.0100.00716.50
7.3.160.0060.01116.53
7.3.120.0130.00014.81
7.3.00.0100.01016.59
7.2.330.0140.01016.50
7.2.320.0160.00016.75
7.2.310.0030.01616.77
7.2.300.0100.00716.86
7.2.290.0060.01216.69
7.2.130.0060.01316.90
7.2.120.0100.00716.77
7.2.110.0060.01016.81
7.2.100.0100.00716.80
7.2.90.0060.00616.43
7.2.80.0070.00716.76
7.2.70.0100.00316.55
7.2.60.0110.00416.93
7.2.50.0030.01416.88
7.2.40.0100.00717.07
7.2.30.0140.00716.98
7.2.20.0070.01116.36
7.2.10.0070.00716.86
7.2.00.0100.00517.84
7.1.250.0170.00015.38
7.1.240.0060.01115.26
7.1.230.0080.00615.55
7.1.220.0070.00715.58
7.1.210.0090.00315.61
7.1.200.0070.00715.84
7.1.190.0000.01315.66
7.1.180.0100.00315.72
7.1.170.0070.00715.44
7.1.160.0060.00915.47
7.1.150.0090.00615.49
7.1.140.0030.01015.67
7.1.130.0110.00415.88
7.1.120.0130.00315.74
7.1.110.0120.00315.79
7.1.100.0090.00416.85
7.1.90.0150.00415.92
7.1.80.0160.00315.86
7.1.70.0080.00316.39
7.1.60.0080.01017.83
7.1.50.0080.01016.32
7.1.40.0060.01015.80
7.1.30.0110.00415.51
7.1.20.0100.00315.57
7.1.10.0160.00015.41
7.1.00.0060.04218.92
7.0.330.0120.00015.05
7.0.320.0070.00714.97
7.0.310.0110.00715.12
7.0.300.0110.00815.43
7.0.290.0120.01214.96
7.0.280.0060.01715.38
7.0.270.0160.01015.48
7.0.260.0180.00915.46
7.0.250.0200.00315.44
7.0.240.0170.00615.36
7.0.230.0130.00715.47
7.0.220.0140.00715.38
7.0.210.0080.01515.06
7.0.200.0100.00816.13
7.0.190.0090.01215.30
7.0.180.0040.01514.92
7.0.170.0220.00015.11
7.0.160.0180.00315.11
7.0.150.0110.01115.38
7.0.140.0070.04218.67
7.0.130.0110.01115.11
7.0.120.0170.00415.13
7.0.110.0120.00914.97
7.0.100.0160.00615.19
7.0.90.0040.01214.71
7.0.80.0120.00815.25
7.0.70.0110.00515.22
7.0.60.0140.03217.48
7.0.50.0060.02616.48
7.0.40.0080.03116.71
7.0.30.0140.02816.55
7.0.20.0110.02316.66
7.0.10.0030.05216.71
7.0.00.0050.02616.71
5.6.380.0060.00614.48
5.6.370.0190.00014.64
5.6.360.0180.00714.44
5.6.350.0160.00414.71
5.6.340.0140.00714.15
5.6.330.0140.00814.41
5.6.320.0180.00314.68
5.6.310.0230.00314.30
5.6.300.0120.00814.65
5.6.290.0150.00614.19
5.6.280.0080.04017.58
5.6.270.0150.00714.55
5.6.260.0150.00614.57
5.6.250.0160.00614.28
5.6.240.0140.00714.46
5.6.230.0130.00414.35
5.6.220.0110.01014.57
5.6.210.0090.04217.49
5.6.200.0080.02316.19
5.6.190.0110.02317.36
5.6.180.0170.02317.36
5.6.170.0160.04117.41
5.6.160.0050.04917.38
5.6.150.0040.02716.43
5.6.140.0060.02116.39
5.6.130.0090.04216.26
5.6.120.0080.03917.65
5.6.110.0050.04617.70
5.6.100.0110.03017.70
5.6.90.0000.03317.80
5.6.80.0100.04017.57
5.6.70.0040.00714.28
5.6.60.0030.00914.61
5.6.50.0040.00814.45
5.6.40.0060.00614.45
5.6.30.0040.00814.30
5.6.20.0000.01014.28
5.6.10.0060.00314.19
5.6.00.0040.00814.66
5.5.380.0110.00511.36
5.5.370.0070.00711.30
5.5.360.0140.00411.50
5.5.350.0140.03815.84
5.5.340.0060.04414.47
5.5.330.0080.04015.82
5.5.320.0190.04115.91
5.5.310.0120.03915.79
5.5.300.0080.02014.50
5.5.290.0050.03814.63
5.5.280.0080.04315.95
5.5.270.0110.03316.23
5.5.260.0080.03615.97
5.5.250.0050.02315.77
5.5.240.0020.04415.59
5.5.230.0000.00811.35
5.5.220.0000.00611.19
5.5.210.0030.00611.10
5.5.200.0040.00411.26
5.5.190.0060.00011.04
5.5.180.0000.00811.11
5.5.170.0030.00311.42
5.5.160.0030.00911.15
5.5.150.0030.01011.46
5.5.140.0040.00411.48
5.5.130.0040.00411.29
5.5.120.0040.00411.28
5.5.110.0000.00710.91
5.5.100.0040.00411.17
5.5.90.0050.00311.05
5.5.80.0000.00811.40
5.5.70.0030.00611.43
5.5.60.0090.00011.25
5.5.50.0030.00311.30
5.5.40.0040.00811.27
5.5.30.0040.00810.77
5.5.20.0030.01011.32
5.5.10.0000.00911.35
5.5.00.0060.00610.96
5.4.450.0100.02715.52
5.4.440.0090.02315.30
5.4.430.0100.02015.28
5.4.420.0220.02415.25
5.4.410.0120.02015.26
5.4.400.0100.02431.58
5.4.390.0270.02430.39
5.4.380.0120.03414.87
5.4.370.0100.02714.81
5.4.360.0090.02814.99
5.4.350.0110.02814.95
5.4.340.0100.02814.94
5.4.330.0000.00811.22
5.4.320.0020.02511.96
5.4.310.0050.02311.97
5.4.300.0070.02611.77
5.4.290.0110.03211.75
5.4.280.0110.02111.84
5.4.270.0080.02211.71
5.4.260.0030.03211.62
5.4.250.0080.02611.71
5.4.240.0060.02911.72
5.4.230.0050.03611.94
5.4.220.0070.03011.62
5.4.210.0080.03311.88
5.4.200.0110.03811.85
5.4.190.0050.02911.65
5.4.180.0070.02711.68
5.4.170.0080.02711.78
5.4.160.0110.03211.76
5.4.150.0110.03711.86
5.4.140.0110.03411.56
5.4.130.0050.02911.68
5.4.120.0090.02911.45
5.4.110.0090.02511.57
5.4.100.0040.02911.68
5.4.90.0070.03111.45
5.4.80.0110.02511.71
5.4.70.0120.03811.62
5.4.60.0070.02911.52
5.4.50.0070.02911.60
5.4.40.0050.03911.54
5.4.30.0160.02711.52
5.4.20.0070.03011.63
5.4.10.0050.02611.53
5.4.00.0060.03011.18
5.3.290.0060.02111.79
5.3.280.0030.03111.54
5.3.270.0050.03411.60
5.3.260.0070.02911.63
5.3.250.0070.02711.58
5.3.240.0060.03011.65
5.3.230.0080.02811.66
5.3.220.0040.03011.68
5.3.210.0100.02111.63
5.3.200.0080.02711.63
5.3.190.0080.02711.53
5.3.180.0080.02611.59
5.3.170.0070.02711.71
5.3.160.0030.02411.70
5.3.150.0060.02611.68
5.3.140.0040.02711.61
5.3.130.0090.03111.66
5.3.120.0080.02511.67
5.3.110.0090.02811.66
5.3.100.0050.02711.38
5.3.90.0040.02411.23
5.3.80.0060.02111.20
5.3.70.0060.01911.23
5.3.60.0070.01911.35
5.3.50.0090.01911.22
5.3.40.0060.02011.17
5.3.30.0050.02111.30
5.3.20.0040.02311.16
5.3.10.0060.02111.07
5.3.00.0060.02310.99
5.2.170.0060.0249.74
5.2.160.0080.0209.74
5.2.150.0090.0279.74
5.2.140.0170.0309.74
5.2.130.0070.0279.72
5.2.120.0120.0299.72
5.2.110.0090.0279.72
5.2.100.0140.0199.72
5.2.90.0070.0269.72
5.2.80.0070.0459.72
5.2.70.0090.0389.72
5.2.60.0120.0379.69
5.2.50.0100.0369.68
5.2.40.0090.0359.67
5.2.30.0080.0259.65
5.2.20.0110.0389.65
5.2.10.0080.0229.60
5.2.00.0090.0219.54
5.1.60.0040.0229.18
5.1.50.0070.0279.17
5.1.40.0110.0209.17
5.1.30.0080.0249.34
5.1.20.0070.0259.35
5.1.10.0080.0179.22
5.1.00.0070.0179.22
5.0.50.0050.0198.45
5.0.40.0040.0238.38
5.0.30.0070.0258.28
5.0.20.0040.0178.27
5.0.10.0030.0178.26
5.0.00.0050.0218.25
4.4.90.0060.0107.52
4.4.80.0030.0137.50
4.4.70.0040.0137.50
4.4.60.0030.0137.50
4.4.50.0030.0137.51
4.4.40.0080.0227.48
4.4.30.0050.0127.51
4.4.20.0070.0117.55
4.4.10.0040.0157.55
4.4.00.0020.0217.51
4.3.110.0040.0137.46
4.3.100.0020.0167.46
4.3.90.0080.0217.44
4.3.80.0030.0267.42
4.3.70.0020.0137.44
4.3.60.0040.0127.44
4.3.50.0030.0137.44
4.3.40.0050.0187.39
4.3.30.0020.0146.78
4.3.20.0020.0146.77
4.3.10.0040.0126.75
4.3.00.0060.00728.50

preferences:
49.48 ms | 401 KiB | 5 Q