3v4l.org

run code in 300+ PHP versions simultaneously
<?php $wtf = array(); $a = parse_str("elements[55][e_id]=1", $tmp_save1); $wtf = array_merge_recursive_new($wtf, $tmp_save1); $b = parse_str("elements[55][wtf]=2", $tmp_save2); $wtf = array_merge_recursive_new($wtf, $tmp_save2); print_r($wtf); function array_merge_recursive_new() { $arrays = func_get_args(); $base = array_shift($arrays); foreach ($arrays as $array) { reset($base); //important while (list($key, $value) = @each($array)) { if (is_array($value) && @is_array($base[$key])) { $base[$key] = array_merge_recursive_new($base[$key], $value); } else { $base[$key] = $value; } } } return $base; }

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)
8.3.60.0070.00718.54
8.3.50.0130.00721.98
8.3.40.0040.01118.82
8.3.30.0060.01219.22
8.3.20.0040.00420.30
8.3.10.0030.00523.48
8.3.00.0030.00619.26
8.2.180.0100.00716.75
8.2.170.0150.00322.96
8.2.160.0100.00320.52
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0080.00022.22
8.2.110.0060.00322.27
8.2.100.0040.00817.63
8.2.90.0040.00419.08
8.2.80.0000.00817.97
8.2.70.0090.00017.75
8.2.60.0050.00317.80
8.2.50.0060.00318.07
8.2.40.0030.00519.94
8.2.30.0070.00018.21
8.2.20.0050.00317.77
8.2.10.0040.00418.10
8.2.00.0050.00317.89
8.1.280.0100.01025.92
8.1.270.0050.00324.01
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0070.00323.92
8.1.230.0040.00819.15
8.1.220.0040.00417.79
8.1.210.0050.00318.77
8.1.200.0060.00317.25
8.1.190.0030.00617.35
8.1.180.0080.00018.10
8.1.170.0030.00720.42
8.1.160.0050.00321.93
8.1.150.0040.00419.04
8.1.140.0070.00017.49
8.1.130.0000.00717.88
8.1.120.0000.00817.48
8.1.110.0000.00817.46
8.1.100.0040.00417.55
8.1.90.0030.00317.39
8.1.80.0040.00417.41
8.1.70.0030.00317.36
8.1.60.0030.00617.55
8.1.50.0000.00817.56
8.1.40.0040.00417.45
8.1.30.0080.00017.70
8.1.20.0030.00617.67
8.1.10.0020.00517.51
8.1.00.0040.00417.58
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0050.00318.52
8.0.270.0000.00717.34
8.0.260.0000.00818.36
8.0.250.0030.00316.91
8.0.240.0030.00317.08
8.0.230.0000.00717.09
8.0.220.0030.00316.94
8.0.210.0040.00417.00
8.0.200.0070.00016.98
8.0.190.0050.00316.96
8.0.180.0000.00816.93
8.0.170.0000.00817.01
8.0.160.0040.00417.05
8.0.150.0040.00417.04
8.0.140.0020.00516.93
8.0.130.0030.00313.41
8.0.120.0020.00516.83
8.0.110.0030.00417.01
8.0.100.0000.00817.05
8.0.90.0080.00016.93
8.0.80.0130.00316.93
8.0.70.0080.00017.06
8.0.60.0040.00416.98
8.0.50.0040.00416.97
8.0.30.0120.00917.05
8.0.20.0080.01317.40
8.0.10.0070.00016.91
8.0.00.0110.00616.89
7.4.330.0070.00015.02
7.4.320.0030.00316.46
7.4.300.0050.00216.63
7.4.290.0000.00716.53
7.4.280.0100.00016.59
7.4.270.0040.00416.65
7.4.260.0040.00416.54
7.4.250.0040.00416.63
7.4.240.0060.00216.59
7.4.230.0000.00716.62
7.4.220.0060.01316.57
7.4.210.0150.00616.58
7.4.200.0040.00416.30
7.4.160.0090.00916.44
7.4.150.0070.01717.40
7.4.140.0120.00917.86
7.4.130.0130.00616.59
7.4.120.0150.00516.56
7.4.110.0190.00716.47
7.4.100.0100.01016.68
7.4.90.0120.00516.61
7.4.80.0070.01019.39
7.4.70.0090.01516.56
7.4.60.0040.01116.59
7.4.50.0000.00416.68
7.4.40.0030.01216.51
7.4.30.0120.00316.75
7.4.00.0040.01115.09
7.3.330.0070.00013.39
7.3.320.0050.00013.25
7.3.310.0030.00316.48
7.3.300.0000.00716.41
7.3.290.0060.00916.46
7.3.280.0080.01216.42
7.3.270.0000.01817.40
7.3.260.0130.00316.49
7.3.250.0100.00716.45
7.3.240.0110.00516.51
7.3.230.0060.01316.63
7.3.210.0060.00916.58
7.3.200.0100.00719.39
7.3.190.0090.00916.53
7.3.180.0130.01316.55
7.3.170.0110.00716.30
7.3.160.0030.01316.52
7.2.330.0120.00916.75
7.2.320.0130.01016.84
7.2.310.0120.00616.66
7.2.300.0030.01316.77
7.2.290.0110.01216.66
7.2.00.0070.00719.29
7.1.100.0030.00617.78
7.1.70.0040.00717.24
7.1.60.0030.01319.32
7.1.50.0170.01734.57
7.1.00.0100.06722.27
7.0.200.0030.00316.62
7.0.140.0030.07022.00
7.0.60.0170.07319.84
7.0.50.0100.04717.89
7.0.40.0130.05320.30
7.0.30.0330.06020.41
7.0.20.0370.05720.30
7.0.10.0070.06020.32
7.0.00.0070.04720.23
5.6.280.0100.06721.11
5.6.210.0070.04020.48
5.6.200.0030.06718.15
5.6.190.0030.05320.61
5.6.180.0200.05320.75
5.6.170.0230.08320.44
5.6.160.0130.04720.44
5.6.150.0100.07718.18
5.6.140.0030.07318.18
5.6.130.0030.04318.27
5.6.120.0070.05321.02
5.6.110.0130.07720.97
5.6.100.0270.06321.13
5.6.90.0130.07021.02
5.6.80.0030.04320.38
5.5.350.3330.04020.32
5.5.340.0070.06717.99
5.5.330.0070.08320.45
5.5.320.0270.04720.29
5.5.310.0270.04020.26
5.5.300.0070.05317.93
5.5.290.0000.06018.01
5.5.280.0000.05020.77
5.5.270.0070.05720.76
5.5.260.0100.03320.79
5.5.250.0130.07720.59
5.5.240.0070.03320.12
5.4.450.0670.06019.61
5.4.440.0730.06319.47
5.4.430.0870.04719.62
5.4.420.0400.06319.64
5.4.410.0770.06019.04
5.4.400.0830.05719.29
5.4.390.0130.05319.14
5.4.380.0800.05319.25
5.4.370.0700.06019.26
5.4.360.0870.07019.26
5.4.350.0900.07319.26
5.4.340.0020.03812.02
5.4.320.0060.03612.51
5.4.310.0050.03812.51
5.4.300.0100.03312.51
5.4.290.0040.04012.50
5.4.280.0040.03712.40
5.4.270.0070.03612.40
5.4.260.0040.03912.40
5.4.250.0060.03712.40
5.4.240.0070.03512.40
5.4.230.0010.04212.40
5.4.220.0070.03612.39
5.4.210.0080.03312.40
5.4.200.0040.04212.39
5.4.190.0030.03812.39
5.4.180.0050.04112.39
5.4.170.0060.03512.40
5.4.160.0070.03412.39
5.4.150.0060.03812.39
5.4.140.0050.03712.07
5.4.130.0070.03412.06
5.4.120.0040.03612.02
5.4.110.0030.03712.02
5.4.100.0050.03612.01
5.4.90.0060.03612.02
5.4.80.0060.03712.02
5.4.70.0060.03512.01
5.4.60.0060.03512.02
5.4.50.0090.03212.01
5.4.40.0040.03612.00
5.4.30.0050.03612.00
5.4.20.0050.03612.00
5.4.10.0080.03412.00
5.4.00.0090.04311.49
5.3.290.0070.03912.80
5.3.280.0080.03612.71
5.3.270.0050.04012.72
5.3.260.0040.04212.72
5.3.250.0050.03712.72
5.3.240.0040.03912.72
5.3.230.0090.03412.71
5.3.220.0060.03612.68
5.3.210.0060.03912.68
5.3.200.0090.03412.68
5.3.190.0050.03912.68
5.3.180.0050.03812.67
5.3.170.0070.03612.67
5.3.160.0040.04212.67
5.3.150.0080.03512.67
5.3.140.0040.04012.66
5.3.130.0110.03412.66
5.3.120.0060.04012.66
5.3.110.0030.04112.66
5.3.100.0050.03712.12
5.3.90.0060.03612.11
5.3.80.0030.03812.10
5.3.70.0050.03712.09
5.3.60.0120.03012.08
5.3.50.0090.03312.02
5.3.40.0050.03812.02
5.3.30.0080.03311.99
5.3.20.0040.03611.77
5.3.10.0070.03311.73
5.3.00.0040.03811.72
5.2.170.0030.0329.22
5.2.160.0060.0289.22
5.2.150.0060.0299.22
5.2.140.0050.0309.21
5.2.130.0070.0299.18
5.2.120.0050.0319.18
5.2.110.0060.0299.18
5.2.100.0070.0269.18
5.2.90.0050.0299.18
5.2.80.0020.0339.18
5.2.70.0070.0299.18
5.2.60.0040.0309.13
5.2.50.0070.0309.10
5.2.40.0080.0259.08
5.2.30.0030.0329.05
5.2.20.0070.0269.04
5.2.10.0050.0288.95
5.2.00.0050.0288.81
5.1.60.0040.0298.09
5.1.50.0050.0248.09
5.1.40.0060.0248.07
5.1.30.0030.0268.43
5.1.20.0030.0278.45
5.1.10.0050.0258.17
5.1.00.0070.0238.17
5.0.50.0030.0216.66
5.0.40.0030.0246.52
5.0.30.0040.0316.33
5.0.20.0050.0186.29
5.0.10.0070.0186.27
5.0.00.0040.0316.27
4.4.90.0030.0164.77
4.4.80.0050.0144.75
4.4.70.0020.0164.75
4.4.60.0050.0134.76
4.4.50.0010.0174.77
4.4.40.0030.0254.71
4.4.30.0010.0174.75
4.4.20.0040.0144.85
4.4.10.0020.0164.85
4.4.00.0030.0254.75
4.3.110.0050.0134.67
4.3.100.0050.0134.66
4.3.90.0030.0144.63
4.3.80.0030.0244.58
4.3.70.0000.0174.63
4.3.60.0020.0154.63
4.3.50.0030.0154.63
4.3.40.0020.0254.54
4.3.30.0030.0163.32
4.3.20.0030.0153.31
4.3.10.0040.0143.25
4.3.00.0130.0237.00

preferences:
91.09 ms | 401 KiB | 5 Q