3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = [ 'a' => 'a', 'submodule_id' => [1] ]; $array2 = [ 'a' => 'a', 'submodule_id' => [1] ]; var_dump(array_merge_recursive($array1, $array2));

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)
8.3.70.0120.00316.63
8.3.60.0100.01016.63
8.3.50.0120.00521.94
8.3.40.0140.00018.42
8.3.30.0140.00018.84
8.3.20.0040.00420.15
8.3.10.0110.00421.63
8.3.00.0050.00321.02
8.2.190.0120.00616.58
8.2.180.0150.00016.38
8.2.170.0090.01222.96
8.2.160.0070.01322.12
8.2.150.0090.00624.18
8.2.140.0060.01224.66
8.2.130.0050.00226.16
8.2.120.0110.00019.72
8.2.110.0120.00919.31
8.2.100.0040.00817.68
8.2.90.0030.00619.28
8.2.80.0000.00917.97
8.2.70.0030.00617.38
8.2.60.0050.00217.93
8.2.50.0090.00018.07
8.2.40.0040.00419.82
8.2.30.0080.00317.98
8.2.20.0070.00017.55
8.2.10.0080.00017.86
8.2.00.0080.00017.69
8.1.280.0130.00725.92
8.1.270.0000.01020.65
8.1.260.0000.00826.35
8.1.250.0120.00628.09
8.1.240.0060.00322.19
8.1.230.0070.00318.95
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0040.00417.35
8.1.190.0030.00517.23
8.1.180.0040.00818.10
8.1.170.0040.00418.41
8.1.160.0040.00421.98
8.1.150.0000.00718.80
8.1.140.0060.00319.11
8.1.130.0050.00317.86
8.1.120.0040.00417.30
8.1.110.0040.00417.35
8.1.100.0070.00017.38
8.1.90.0080.00017.33
8.1.80.0070.00017.29
8.1.70.0000.00717.30
8.1.60.0000.00817.49
8.1.50.0080.00017.34
8.1.40.0050.00317.45
8.1.30.0060.00317.58
8.1.20.0000.00817.55
8.1.10.0040.00417.28
8.1.00.0030.00717.37
8.0.300.0060.00318.77
8.0.290.0080.00016.75
8.0.280.0000.00718.46
8.0.270.0040.00417.18
8.0.260.0070.00017.19
8.0.250.0070.00016.80
8.0.240.0040.00516.92
8.0.230.0040.00416.76
8.0.220.0070.00016.78
8.0.210.0070.00016.80
8.0.200.0030.00316.74
8.0.190.0040.00416.76
8.0.180.0070.00016.73
8.0.170.0000.00816.89
8.0.160.0000.00716.73
8.0.150.0040.00416.66
8.0.140.0040.00416.78
8.0.130.0030.00313.21
8.0.120.0000.00816.76
8.0.110.0050.00216.87
8.0.100.0050.00316.70
8.0.90.0050.00316.79
8.0.80.0070.00716.77
8.0.70.0040.00416.87
8.0.60.0030.00516.70
8.0.50.0020.00516.64
8.0.30.0110.01616.95
8.0.20.0140.00517.40
8.0.10.0000.00716.87
8.0.00.0060.01416.72
7.4.330.0050.00015.12
7.4.320.0060.00016.57
7.4.300.0060.00016.43
7.4.290.0030.00316.53
7.4.280.0030.00316.43
7.4.270.0070.00016.52
7.4.260.0030.00316.48
7.4.250.0040.00416.48
7.4.240.0070.00016.40
7.4.230.0030.00316.61
7.4.220.0080.00916.60
7.4.210.0100.01116.50
7.4.200.0000.00716.42
7.4.160.0070.01116.36
7.4.150.0090.00917.40
7.4.140.0130.00617.86
7.4.130.0080.00916.49
7.4.120.0090.00816.38
7.4.110.0100.01316.46
7.4.100.0180.00016.48
7.4.90.0060.01616.43
7.4.80.0130.01016.45
7.4.70.0110.00816.29
7.4.60.0130.00916.43
7.4.50.0000.00416.36
7.4.40.0100.00716.40
7.4.30.0180.00416.40
7.4.00.0070.00814.64
7.3.330.0060.00012.93
7.3.320.0000.01312.94
7.3.310.0040.00416.09
7.3.300.0000.00716.01
7.3.290.0070.01316.20
7.3.280.0070.00916.07
7.3.270.0080.01117.40
7.3.260.0090.00916.09
7.3.250.0080.01016.20
7.3.240.0090.01216.09
7.3.230.0060.01016.39
7.3.210.0110.00816.20
7.3.200.0120.00919.39
7.3.190.0060.01016.23
7.3.180.0120.00316.11
7.3.170.0090.00916.27
7.3.160.0130.00316.57
7.3.120.0050.01314.79
7.3.110.0060.00914.82
7.3.100.0070.00514.61
7.3.90.0080.00514.64
7.3.80.0050.00614.53
7.3.70.0040.00814.70
7.3.60.0050.01014.61
7.3.50.0060.00614.72
7.3.40.0070.00514.71
7.3.30.0050.00714.76
7.3.20.0080.00516.40
7.3.10.0080.00516.48
7.3.00.0040.01116.54
7.2.330.0100.00716.11
7.2.320.0120.00616.49
7.2.310.0040.01416.55
7.2.300.0170.00016.38
7.2.290.0080.00816.44
7.2.250.0130.00314.65
7.2.240.0020.01414.91
7.2.230.0050.01114.79
7.2.220.0080.00614.74
7.2.210.0090.00614.66
7.2.200.0020.00814.78
7.2.190.0090.00314.71
7.2.180.0060.01114.57
7.2.170.0060.01114.81
7.2.160.0030.00914.82
7.2.150.0070.00716.88
7.2.140.0030.01216.68
7.2.130.0070.00716.74
7.2.120.0060.00616.55
7.2.110.0100.00716.44
7.2.100.0030.01416.52
7.2.90.0110.00416.48
7.2.80.0100.00716.60
7.2.70.0110.00416.38
7.2.60.0050.00716.78
7.2.50.0120.00616.55
7.2.40.0070.00716.52
7.2.30.0000.01616.85
7.2.20.0130.00316.70
7.2.10.0080.00816.64
7.2.00.0040.00818.09
7.1.330.0020.01215.69
7.1.320.0070.00615.73
7.1.310.0040.00715.75
7.1.300.0040.01315.59
7.1.290.0010.01215.64
7.1.280.0090.00315.74
7.1.270.0050.01015.49
7.1.260.0070.00515.78
7.1.250.0040.01115.57
7.1.200.0030.00815.83
7.1.100.0030.00817.85
7.1.70.0070.01016.80
7.1.60.0130.01319.46
7.1.50.0100.01016.76
7.1.00.0070.07322.45
7.0.200.0100.00314.99
7.0.140.0000.03322.05
7.0.100.0070.04719.93
7.0.90.0070.05020.00
7.0.80.0030.08019.91
7.0.70.0170.07319.87
7.0.60.0070.06719.96
7.0.50.0170.06020.30
7.0.40.0030.06320.15
7.0.30.0070.04020.06
7.0.20.0100.07320.13
7.0.10.0100.08020.17
7.0.00.0070.07020.17
5.6.280.0030.07321.06
5.6.250.0070.04720.47
5.6.240.0100.06720.50
5.6.230.0170.03720.71
5.6.220.0130.04720.58
5.6.210.0130.07020.47
5.6.200.0100.07321.08
5.6.190.0030.08321.01
5.6.180.0170.04321.04
5.6.170.0100.06021.07
5.6.160.0170.06321.05
5.6.150.0030.05321.07
5.6.140.0100.03720.95
5.6.130.0130.04321.02
5.6.120.0170.07321.02
5.6.110.0070.05020.99
5.6.100.0130.03021.08
5.6.90.0030.09020.91
5.6.80.0030.07020.55
5.6.70.0030.08320.31
5.6.60.0130.07020.36
5.6.50.0000.04020.46
5.6.40.0030.08720.39
5.6.30.0000.07020.43
5.6.20.0100.07320.23
5.6.10.0100.03320.43
5.6.00.0030.06320.51
5.5.380.0100.08020.49
5.5.370.0070.05020.34
5.5.360.0000.05720.40
5.5.350.0130.06320.34
5.5.340.0070.05020.86
5.5.330.0130.07720.77
5.5.320.0100.03720.75
5.5.310.0100.06320.79
5.5.300.0070.05020.92
5.5.290.0170.08320.74
5.5.280.0130.09020.88
5.5.270.0030.08020.85
5.5.260.0030.04720.87
5.5.250.0130.03020.57
5.5.240.0170.05720.02
5.5.230.0070.08020.14
5.5.220.0030.04020.17
5.5.210.0030.04020.26
5.5.200.0130.07020.27
5.5.190.0000.05720.27
5.5.180.0070.05720.27
5.5.160.0070.04320.17
5.5.150.0130.06719.98
5.5.140.0070.08719.98
5.5.130.0070.05720.25
5.5.120.0030.07720.25
5.5.110.0070.06020.07
5.5.100.0070.05320.17
5.5.90.0130.05020.16
5.5.80.0000.07720.09
5.5.70.0100.04320.09
5.5.60.0100.06720.08
5.5.50.0100.03020.14
5.5.40.0000.08320.00
5.5.30.0030.08320.14
5.5.20.0030.05720.05
5.5.10.0030.07320.13
5.5.00.0070.07719.95
5.4.450.0070.07719.12
5.4.440.0100.06719.14
5.4.430.0000.08019.40
5.4.420.0100.03319.30
5.4.410.0170.06719.33
5.4.400.0070.08019.08
5.4.390.0100.06019.13
5.4.380.0070.03319.23
5.4.370.0130.06719.03
5.4.360.0100.07318.79
5.4.350.0000.04018.90
5.4.340.0070.08018.98
5.4.320.0070.05719.06
5.4.310.0030.03718.95
5.4.300.0070.07719.12
5.4.290.0070.04318.90
5.4.280.0100.04719.07
5.4.270.0030.08019.12
5.4.260.0000.03719.05
5.4.250.0000.07018.81
5.4.240.0070.06318.78
5.4.230.0100.06319.05
5.4.220.0070.07719.03
5.4.210.0100.07019.22
5.4.200.0070.07018.89
5.4.190.0070.06319.04
5.4.180.0070.07718.95
5.4.170.0130.04318.75
5.4.160.0130.07018.79
5.4.150.0070.06018.96
5.4.140.0070.04016.37
5.4.130.0100.06716.33
5.4.120.0070.08016.32
5.4.110.0070.07316.41
5.4.100.0070.04716.21
5.4.90.0070.03316.39
5.4.80.0070.03316.18
5.4.70.0030.03716.14
5.4.60.0130.03316.43
5.4.50.0000.04316.30
5.4.40.0030.03316.36
5.4.30.0000.03316.41
5.4.20.0070.03016.23
5.4.10.0000.03316.38
5.4.00.0070.03715.72
5.3.290.0070.03314.63
5.3.280.0070.04714.59
5.3.270.0000.07714.43
5.3.260.0070.07314.46
5.3.250.0070.06014.59
5.3.240.0030.05014.47
5.3.230.0070.07714.59
5.3.220.0070.03714.43
5.3.210.0030.08014.55
5.3.200.0070.07314.52
5.3.190.0030.05314.43
5.3.180.0030.05014.42
5.3.170.0070.03714.57
5.3.160.0070.03314.53
5.3.150.0030.03714.42
5.3.140.0000.04014.55
5.3.130.0000.04014.37
5.3.120.0030.03714.41
5.3.110.0030.04314.41
5.3.100.0070.05313.87
5.3.90.0000.04314.03
5.3.80.0070.02713.98
5.3.70.0100.02714.01
5.3.60.0030.03313.96
5.3.50.0000.03713.81
5.3.40.0000.04013.91
5.3.30.0070.06713.90
5.3.20.0030.06313.66
5.3.10.0030.03713.61
5.3.00.0070.03313.39
5.2.170.0030.03011.93
5.2.160.0000.03011.93
5.2.150.0070.03311.93
5.2.140.0030.06311.93
5.2.130.0000.03311.93
5.2.120.0070.04311.93
5.2.110.0030.04311.93
5.2.100.0030.04311.93
5.2.90.0030.03011.93
5.2.80.0130.02311.93
5.2.70.0030.06011.93
5.2.60.0030.02711.93
5.2.50.0100.02711.93
5.2.40.0000.03011.93
5.2.30.0000.03011.93
5.2.20.0000.03011.93
5.2.10.0070.02311.93
5.2.00.0070.02311.93
5.1.60.0030.02311.93
5.1.50.0070.02311.93
5.1.40.0000.02711.93
5.1.30.0070.02311.93
5.1.20.0030.02711.93
5.1.10.0000.02711.93
5.1.00.0000.03011.93
5.0.50.0030.02011.93
5.0.40.0000.02011.93
5.0.30.0000.03311.93
5.0.20.0030.01711.93
5.0.10.0030.01711.93
5.0.00.0000.03311.93
4.4.90.0000.01711.93
4.4.80.0030.01311.93
4.4.70.0000.01711.93
4.4.60.0000.01711.93
4.4.50.0030.01311.93
4.4.40.0000.02711.93
4.4.30.0000.01711.93
4.4.20.0000.01711.93
4.4.10.0030.01311.93
4.4.00.0030.02311.93
4.3.110.0030.01311.93
4.3.100.0030.01311.93
4.3.90.0030.01311.93
4.3.80.0000.02311.93
4.3.70.0030.01311.93
4.3.60.0000.01711.93
4.3.50.0000.01711.93
4.3.40.0000.02311.93
4.3.30.0030.01311.93
4.3.20.0030.01311.93
4.3.10.0000.01711.93
4.3.00.0000.01711.93

preferences:
67.9 ms | 401 KiB | 5 Q