3v4l.org

run code in 300+ PHP versions simultaneously
<?php function awesome(...$arrays) { if (!is_array($arrays)) return false; $merged = array_shift($arrays); foreach($arrays as $array) { foreach($array as $k => $v) { $merged[] = $v; } } return $merged; } $array1 = array('A', 'B', 'C'); $array2 = array('B', 'C', 'D'); print_r($array1 + $array2); print_r(array_merge($array1, $array2)); print_r(awesome($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)
8.3.60.0120.00616.50
8.3.50.0100.00923.00
8.3.40.0070.01318.92
8.3.30.0030.01219.18
8.3.20.0040.00420.34
8.3.10.0050.00323.48
8.3.00.0080.00019.38
8.2.180.0170.00016.63
8.2.170.0140.00422.96
8.2.160.0120.00320.20
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0040.00421.10
8.2.110.0100.01022.31
8.2.100.0070.00418.16
8.2.90.0100.00019.20
8.2.80.0000.00817.97
8.2.70.0030.00617.50
8.2.60.0040.00418.05
8.2.50.0060.00318.07
8.2.40.0040.00419.86
8.2.30.0050.00218.14
8.2.20.0030.00517.71
8.2.10.0040.00418.02
8.2.00.0050.00417.69
8.1.280.0120.00325.92
8.1.270.0030.00622.18
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.92
8.1.230.0110.00019.19
8.1.220.0030.00617.79
8.1.210.0080.00018.77
8.1.200.0030.00717.35
8.1.190.0000.00817.00
8.1.180.0030.00618.10
8.1.170.0040.00418.55
8.1.160.0000.00721.98
8.1.150.0050.00218.93
8.1.140.0100.00017.46
8.1.130.0030.00317.71
8.1.120.0000.00717.51
8.1.110.0070.00017.45
8.1.100.0050.00317.35
8.1.90.0050.00217.44
8.1.80.0040.00417.47
8.1.70.0000.00717.37
8.1.60.0060.00317.51
8.1.50.0030.00517.56
8.1.40.0040.00417.47
8.1.30.0040.00417.60
8.1.20.0040.00417.73
8.1.10.0040.00417.65
8.1.00.0000.00717.45
8.0.300.0050.00318.77
8.0.290.0040.00416.63
8.0.280.0050.00518.34
8.0.270.0040.00317.33
8.0.260.0030.00317.38
8.0.250.0030.00316.93
8.0.240.0050.00317.11
8.0.230.0040.00416.97
8.0.220.0030.00316.97
8.0.210.0040.00417.00
8.0.200.0060.00016.91
8.0.190.0000.00816.91
8.0.180.0040.00316.91
8.0.170.0000.00817.00
8.0.160.0000.00716.85
8.0.150.0030.00316.90
8.0.140.0040.00316.77
8.0.130.0070.00013.45
8.0.120.0080.00016.93
8.0.110.0040.00417.02
8.0.100.0050.00316.92
8.0.90.0040.00416.80
8.0.80.0060.01316.89
8.0.70.0040.00416.86
8.0.60.0040.00416.93
8.0.50.0040.00416.86
8.0.30.0090.00917.04
8.0.20.0080.01017.40
8.0.10.0000.00717.04
8.0.00.0110.00817.00
7.4.330.0020.00215.07
7.4.320.0000.00716.61
7.4.300.0000.00616.53
7.4.290.0030.00316.60
7.4.280.0000.00716.55
7.4.270.0000.00716.45
7.4.260.0000.00716.61
7.4.250.0080.00016.46
7.4.240.0060.00116.60
7.4.230.0030.00516.48
7.4.220.0140.00416.49
7.4.210.0090.00616.64
7.4.200.0000.00716.70
7.4.160.0070.01016.45
7.4.150.0190.00417.40
7.4.140.0020.01617.86
7.4.130.0120.00516.65
7.4.120.0070.01116.71
7.4.110.0100.00716.58
7.4.100.0140.00716.54
7.4.90.0030.01416.60
7.4.80.0140.00319.39
7.4.70.0070.01016.49
7.4.60.0060.01016.55
7.4.50.0040.00016.37
7.4.40.0100.01016.47
7.4.30.0100.00616.43
7.4.00.0070.01015.07
7.3.330.0000.00613.34
7.3.320.0000.00513.34
7.3.310.0040.00416.34
7.3.300.0000.00716.32
7.3.290.0070.01016.39
7.3.280.0080.00916.31
7.3.270.0110.00617.40
7.3.260.0150.00616.51
7.3.250.0130.00416.47
7.3.240.0150.00616.59
7.3.230.0120.00616.43
7.3.210.0140.00316.26
7.3.200.0070.01119.39
7.3.190.0120.00916.66
7.3.180.0120.00316.29
7.3.170.0070.01016.43
7.3.160.0000.01616.68
7.3.120.0100.00714.71
7.3.110.0110.00415.04
7.3.100.0070.00714.63
7.3.90.0100.00714.82
7.3.80.0000.01415.04
7.3.70.0030.01014.93
7.3.60.0030.01015.05
7.3.50.0030.00614.77
7.3.40.0060.01014.55
7.3.30.0040.01114.88
7.3.20.0030.01416.75
7.3.10.0100.00616.76
7.3.00.0090.00616.75
7.2.330.0130.01016.81
7.2.320.0110.00616.61
7.2.310.0070.01016.86
7.2.300.0140.00316.75
7.2.290.0170.00016.50
7.2.240.0040.01115.11
7.2.230.0130.00314.91
7.2.220.0110.00714.98
7.2.210.0060.00915.09
7.2.200.0090.00615.05
7.2.190.0040.01414.90
7.2.180.0110.00415.00
7.2.170.0090.00414.95
7.2.160.0000.01615.05
7.2.150.0160.00016.71
7.2.140.0100.00616.98
7.2.130.0030.01316.91
7.2.120.0000.01416.91
7.2.110.0000.01517.15
7.2.100.0060.00617.05
7.2.90.0040.01417.02
7.2.80.0030.01416.48
7.2.70.0090.00616.86
7.2.60.0100.00716.93
7.2.50.0040.00716.74
7.2.40.0040.01116.81
7.2.30.0060.01017.12
7.2.20.0030.00716.76
7.2.10.0080.00816.66
7.2.00.0080.00818.16
7.1.330.0110.00415.94
7.1.320.0000.01115.63
7.1.310.0030.01015.81
7.1.300.0040.01115.63
7.1.290.0060.00915.79
7.1.280.0030.01315.86
7.1.270.0080.00815.83
7.1.260.0090.00615.76
7.1.250.0040.01115.76
7.1.100.0000.01118.16
7.1.70.0030.00617.13
7.1.60.0100.00619.46
7.1.50.0030.01316.96
7.1.00.0030.08022.50
7.0.200.0080.00016.88
7.0.140.0070.07322.18
7.0.60.0100.06319.98
7.0.50.0030.08317.89
7.0.40.0070.08720.37
7.0.30.0400.04320.18
7.0.20.0100.04720.15
7.0.10.0070.05720.24
7.0.00.0030.07320.20
5.6.280.0000.07721.07
5.6.210.0030.08720.50
5.6.200.0030.05718.13
5.6.190.0130.03720.46
5.6.180.0430.06320.61
5.6.170.0200.04320.71
5.6.160.0130.08020.55
5.6.150.0070.07018.16
5.6.140.0070.07018.18
5.6.130.0070.03718.16
5.6.120.0130.07320.89
5.6.110.0230.05321.09
5.6.100.0100.07020.96
5.6.90.0100.07321.11
5.6.80.0200.07720.45
5.6.70.4170.04020.50
5.5.350.0070.08720.41
5.5.340.0070.08018.10
5.5.330.0030.05020.47
5.5.320.0300.04720.38
5.5.310.0230.06020.30
5.5.300.0100.08017.94
5.5.290.0070.03718.00
5.5.280.0030.08020.87
5.5.270.0000.05020.64
5.5.260.0100.06720.76
5.5.250.0070.05720.69
5.5.240.0270.07020.29
5.4.450.0270.05319.46
5.4.440.0300.04719.62
5.4.430.0270.04019.63
5.4.420.0230.03319.27
5.4.410.0470.03719.19
5.4.400.0130.04719.09
5.4.390.0270.04318.97
5.4.380.0300.05318.76
5.4.370.0270.05718.61
5.4.360.0300.05318.50
5.4.350.0300.05018.62
5.4.340.0330.05318.76
5.4.320.0050.03712.52
5.4.310.0100.03612.51
5.4.300.0070.03612.52
5.4.290.0050.04112.51
5.4.280.0090.04912.41
5.4.270.0060.03512.41
5.4.260.0060.04012.40
5.4.250.0030.04012.41
5.4.240.0070.03412.41
5.4.230.0050.03712.40
5.4.220.0030.03712.40
5.4.210.0010.03912.39
5.4.200.0040.03812.40
5.4.190.0040.03712.39
5.4.180.0060.03512.39
5.4.170.0100.03212.40
5.4.160.0030.03812.39
5.4.150.0050.03612.39
5.4.140.0060.03612.09
5.4.130.0060.03512.07
5.4.120.0050.03512.03
5.4.110.0080.03212.03
5.4.100.0060.03412.03
5.4.90.0070.03612.03
5.4.80.0050.04012.03
5.4.70.0040.03612.02
5.4.60.0060.03412.02
5.4.50.0050.03512.02
5.4.40.0020.03812.01
5.4.30.0060.03512.01
5.4.20.0080.03312.00
5.4.10.0030.03712.01
5.4.00.0060.03511.50
5.3.290.0060.03912.80
5.3.280.0070.03712.71
5.3.270.0060.04012.73
5.3.260.0040.03912.72
5.3.250.0060.03512.72
5.3.240.0090.03312.72
5.3.230.0090.03512.71
5.3.220.0110.03312.68
5.3.210.0100.03812.68
5.3.200.0090.03912.68
5.3.190.0050.03912.67
5.3.180.0070.03412.68
5.3.170.0040.03712.67
5.3.160.0090.03312.67
5.3.150.0060.03812.68
5.3.140.0050.03712.66
5.3.130.0040.03912.66
5.3.120.0040.04112.66
5.3.110.0120.04112.66
5.3.100.0070.03512.13
5.3.90.0070.03712.11
5.3.80.0050.03812.09
5.3.70.0050.03712.09
5.3.60.0060.03812.08
5.3.50.0080.03312.02
5.3.40.0090.03412.02
5.3.30.0080.03311.98
5.3.20.0030.03811.76
5.3.10.0020.03811.75
5.3.00.0060.03611.71
5.2.170.0030.0349.22
5.2.160.0090.0259.22
5.2.150.0080.0319.21
5.2.140.0060.0299.21
5.2.130.0060.0409.18
5.2.120.0030.0299.17
5.2.110.0060.0279.18
5.2.100.0050.0269.18
5.2.90.0080.0319.18
5.2.80.0030.0329.17
5.2.70.0040.0309.17
5.2.60.0030.0319.12
5.2.50.0030.0319.09
5.2.40.0010.0329.07
5.2.30.0040.0309.05
5.2.20.0030.0309.04
5.2.10.0090.0238.95
5.2.00.0050.0298.81
5.1.60.0020.0268.08
5.1.50.0030.0268.08
5.1.40.0030.0278.07
5.1.30.0030.0278.42
5.1.20.0040.0278.44
5.1.10.0070.0258.16
5.1.00.0050.0258.16
5.0.50.0020.0216.64
5.0.40.0040.0186.50
5.0.30.0030.0316.32
5.0.20.0030.0196.29
5.0.10.0010.0226.25
5.0.00.0030.0336.25
4.4.90.0030.0154.78
4.4.80.0020.0164.75
4.4.70.0020.0164.76
4.4.60.0030.0154.76
4.4.50.0010.0174.77
4.4.40.0030.0244.71
4.4.30.0030.0144.76
4.4.20.0040.0144.84
4.4.10.0060.0124.85
4.4.00.0050.0224.76
4.3.110.0010.0174.67
4.3.100.0030.0154.67
4.3.90.0030.0144.63
4.3.80.0040.0234.59
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0010.0174.63
4.3.40.0040.0234.54
4.3.30.0030.0153.30
4.3.20.0010.0173.29
4.3.10.0010.0163.24
4.3.00.0130.01315.68

preferences:
45.82 ms | 401 KiB | 5 Q