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' => 'Adam', 'B' => 'Bernie', 'C' => 'Chris'); $array2 = array('C' => 'Charlie', 'D' => 'David', 'E' => 'Earnslaw'); print_r($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)
8.3.60.0140.00316.50
8.3.50.0110.00722.84
8.3.40.0130.00618.92
8.3.30.0070.00719.27
8.3.20.0070.00020.07
8.3.10.0050.00323.37
8.3.00.0040.00419.50
8.2.180.0100.00618.56
8.2.170.0120.00322.96
8.2.160.0040.01120.53
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0030.00526.16
8.2.120.0070.00021.04
8.2.110.0060.00321.12
8.2.100.0060.00617.91
8.2.90.0000.00819.39
8.2.80.0060.00317.97
8.2.70.0040.00417.61
8.2.60.0000.01117.66
8.2.50.0000.00718.16
8.2.40.0040.00420.64
8.2.30.0050.00221.16
8.2.20.0000.00717.68
8.2.10.0050.00318.05
8.2.00.0060.00317.89
8.1.280.0100.01025.92
8.1.270.0060.00323.66
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.92
8.1.230.0070.00317.89
8.1.220.0090.00017.76
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0000.00817.22
8.1.180.0040.00418.10
8.1.170.0040.00418.65
8.1.160.0040.00418.88
8.1.150.0040.00418.88
8.1.140.0070.00317.45
8.1.130.0070.00017.81
8.1.120.0020.00517.41
8.1.110.0000.00717.46
8.1.100.0000.00717.46
8.1.90.0040.00417.44
8.1.80.0000.00717.35
8.1.70.0080.00017.38
8.1.60.0030.00517.57
8.1.50.0040.00417.48
8.1.40.0000.00717.49
8.1.30.0000.00817.63
8.1.20.0000.00717.66
8.1.10.0040.00417.54
8.1.00.0000.00817.49
8.0.300.0020.00518.93
8.0.290.0040.00416.75
8.0.280.0070.00018.44
8.0.270.0030.00317.17
8.0.260.0000.00617.21
8.0.250.0000.00716.92
8.0.240.0070.00016.99
8.0.230.0030.00317.03
8.0.220.0030.00316.94
8.0.210.0000.00716.89
8.0.200.0030.00317.00
8.0.190.0040.00416.88
8.0.180.0030.00316.96
8.0.170.0050.00316.97
8.0.160.0000.00816.84
8.0.150.0000.00716.85
8.0.140.0080.00016.81
8.0.130.0060.00013.35
8.0.120.0070.00016.91
8.0.110.0040.00416.98
8.0.100.0070.00017.06
8.0.90.0050.00317.00
8.0.80.0090.00916.94
8.0.70.0000.00716.78
8.0.60.0020.00516.93
8.0.50.0070.00017.02
8.0.30.0130.00917.21
8.0.20.0120.00717.40
8.0.10.0070.00016.96
8.0.00.0100.01116.84
7.4.330.0060.00015.11
7.4.320.0030.00316.53
7.4.300.0000.00616.55
7.4.290.0030.00316.45
7.4.280.0000.00716.49
7.4.270.0000.00616.61
7.4.260.0030.00316.48
7.4.250.0000.00716.42
7.4.240.0000.00816.59
7.4.230.0000.00616.49
7.4.220.0130.00716.66
7.4.210.0050.01316.57
7.4.200.0030.00316.39
7.4.160.0130.00316.55
7.4.150.0090.00917.40
7.4.140.0100.00817.86
7.4.130.0070.01116.53
7.4.120.0100.00716.58
7.4.110.0100.00716.46
7.4.100.0090.00916.55
7.4.90.0110.00616.43
7.4.80.0070.01019.39
7.4.70.0080.01316.54
7.4.60.0080.00816.52
7.4.50.0080.00016.51
7.4.40.0080.00816.53
7.4.30.0080.00816.56
7.4.00.0070.01014.69
7.3.330.0000.00513.11
7.3.320.0030.00313.17
7.3.310.0040.00416.22
7.3.300.0070.00016.17
7.3.290.0100.01016.32
7.3.280.0100.00516.32
7.3.270.0070.01117.40
7.3.260.0110.00716.35
7.3.250.0080.01016.37
7.3.240.0170.00016.55
7.3.230.0120.00916.64
7.3.210.0060.00916.57
7.3.200.0150.00319.39
7.3.190.0180.00316.31
7.3.180.0030.01716.38
7.3.170.0100.00616.50
7.3.160.0090.00616.37
7.3.10.0040.00816.91
7.3.00.0070.00716.50
7.2.330.0040.01416.45
7.2.320.0040.01216.84
7.2.310.0090.00816.63
7.2.300.0060.01516.61
7.2.290.0060.01016.84
7.2.130.0060.00317.09
7.2.120.0060.00916.81
7.2.110.0000.01116.96
7.2.100.0030.01017.05
7.2.90.0060.00916.99
7.2.80.0000.01416.61
7.2.70.0060.00916.99
7.2.60.0060.00917.02
7.2.50.0070.00716.67
7.2.40.0040.01117.11
7.2.30.0030.01416.79
7.2.20.0060.00916.69
7.2.10.0110.00316.93
7.2.00.0090.00318.04
7.1.250.0000.01115.98
7.1.100.0070.00317.81
7.1.70.0000.00817.13
7.1.60.0040.01419.46
7.1.50.0030.01916.96
7.1.00.0100.07022.31
7.0.200.0030.01016.82
7.0.140.0030.07321.95
7.0.60.0100.06019.98
7.0.50.0000.04317.86
7.0.40.0070.09320.09
7.0.30.0330.05720.23
7.0.20.0200.05020.12
7.0.10.0270.09020.23
7.0.00.0130.07320.01
5.6.280.0070.07020.82
5.6.210.0070.08020.54
5.6.200.0000.07718.24
5.6.190.0000.05320.55
5.6.180.0200.05320.63
5.6.170.0400.05320.55
5.6.160.0100.08320.55
5.6.150.0030.06318.19
5.6.140.0000.09018.14
5.6.130.0100.06018.23
5.6.120.0030.09021.00
5.6.110.0200.07021.14
5.6.100.0030.04021.12
5.6.90.0230.05720.98
5.6.80.0130.07720.41
5.6.70.0030.03720.43
5.5.350.0100.08320.32
5.5.340.0070.07318.09
5.5.330.0100.08020.15
5.5.320.0230.04020.27
5.5.310.0170.05020.30
5.5.300.0070.07017.95
5.5.290.0130.05718.07
5.5.280.0030.07720.79
5.5.270.0270.06720.88
5.5.260.0000.07720.72
5.5.250.0100.06720.57
5.5.240.0130.03320.27
5.4.450.0100.05319.39
5.4.440.0100.05019.20
5.4.430.0370.04019.16
5.4.420.0270.03719.54
5.4.410.0470.03319.20
5.4.400.0400.03719.22
5.4.390.0370.05018.84
5.4.380.0300.05018.82
5.4.370.0370.05018.78
5.4.360.0330.05318.53
5.4.350.0530.06318.61
5.4.340.0330.06318.47
5.4.320.0070.03512.52
5.4.310.0060.04612.51
5.4.300.0080.03512.52
5.4.290.0070.04112.51
5.4.280.0030.03812.40
5.4.270.0080.04112.41
5.4.260.0050.03812.41
5.4.250.0060.03712.41
5.4.240.0070.03412.41
5.4.230.0070.03712.39
5.4.220.0040.03912.40
5.4.210.0100.03212.40
5.4.200.0040.03912.40
5.4.190.0060.03812.39
5.4.180.0050.04112.39
5.4.170.0070.04112.40
5.4.160.0090.03212.39
5.4.150.0080.03612.39
5.4.140.0050.04712.08
5.4.130.0060.03412.06
5.4.120.0050.03812.03
5.4.110.0060.03812.03
5.4.100.0060.03912.03
5.4.90.0060.04212.03
5.4.80.0090.04012.03
5.4.70.0060.03612.02
5.4.60.0080.03412.02
5.4.50.0060.03612.02
5.4.40.0060.03912.01
5.4.30.0100.03712.01
5.4.20.0040.03812.00
5.4.10.0030.04212.01
5.4.00.0020.04011.50
5.3.290.0050.04012.80
5.3.280.0100.03312.71
5.3.270.0050.04012.72
5.3.260.0100.03912.72
5.3.250.0040.04012.72
5.3.240.0070.03912.72
5.3.230.0060.03812.71
5.3.220.0060.03712.68
5.3.210.0070.03812.68
5.3.200.0090.03412.68
5.3.190.0060.03812.67
5.3.180.0060.03612.67
5.3.170.0060.03612.67
5.3.160.0050.03912.67
5.3.150.0090.03712.67
5.3.140.0100.03612.66
5.3.130.0080.03812.66
5.3.120.0080.04412.66
5.3.110.0060.03912.66
5.3.100.0070.03612.13
5.3.90.0050.03812.11
5.3.80.0080.03412.09
5.3.70.0040.04112.09
5.3.60.0060.03712.08
5.3.50.0040.04012.02
5.3.40.0070.03912.02
5.3.30.0060.03511.98
5.3.20.0090.03211.78
5.3.10.0060.03511.73
5.3.00.0060.04011.71
5.2.170.0060.0299.22
5.2.160.0010.0329.22
5.2.150.0020.0339.22
5.2.140.0060.0319.21
5.2.130.0060.0349.17
5.2.120.0040.0299.18
5.2.110.0070.0289.18
5.2.100.0020.0319.18
5.2.90.0050.0299.18
5.2.80.0070.0279.18
5.2.70.0060.0319.17
5.2.60.0060.0299.12
5.2.50.0020.0319.09
5.2.40.0060.0339.07
5.2.30.0030.0339.05
5.2.20.0050.0319.04
5.2.10.0070.0298.95
5.2.00.0050.0318.81
5.1.60.0050.0248.08
5.1.50.0030.0268.09
5.1.40.0070.0218.07
5.1.30.0040.0268.42
5.1.20.0060.0248.44
5.1.10.0090.0268.16
5.1.00.0070.0238.16
5.0.50.0040.0226.64
5.0.40.0030.0226.49
5.0.30.0030.0346.31
5.0.20.0060.0256.28
5.0.10.0010.0236.25
5.0.00.0020.0366.25
4.4.90.0040.0164.78
4.4.80.0010.0174.75
4.4.70.0030.0154.76
4.4.60.0040.0164.75
4.4.50.0030.0154.77
4.4.40.0020.0294.70
4.4.30.0020.0164.76
4.4.20.0010.0184.85
4.4.10.0030.0144.85
4.4.00.0070.0254.76
4.3.110.0030.0194.67
4.3.100.0040.0164.67
4.3.90.0040.0174.63
4.3.80.0020.0254.59
4.3.70.0040.0184.63
4.3.60.0030.0154.63
4.3.50.0020.0164.63
4.3.40.0020.0254.53
4.3.30.0010.0193.30
4.3.20.0010.0193.29
4.3.10.0020.0183.24
4.3.00.0070.02015.68

preferences:
48.95 ms | 401 KiB | 5 Q