3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = array(array(77, 87), array(23, 45)); $array2 = array("w3resource", "com"); function merge_arrays_by_index($x, $y) { $temp = array(); $temp[] = $x; if(is_scalar($y)) { $temp[] = $y; } else { foreach($y as $k => $v) { $temp[] = $v; } } return $temp; } print_r($array1); print_r($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)
8.3.60.0040.01116.25
8.3.50.0240.01021.98
8.3.40.0070.00718.48
8.3.30.0070.00718.91
8.3.20.0080.00020.25
8.3.10.0040.00423.52
8.3.00.0060.00319.66
8.2.180.0110.00316.38
8.2.170.0100.01022.96
8.2.160.0070.00720.38
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00020.96
8.2.110.0070.00322.16
8.2.100.0070.00418.03
8.2.90.0040.00419.27
8.2.80.0080.00017.97
8.2.70.0000.00817.48
8.2.60.0000.00817.91
8.2.50.0060.00318.07
8.2.40.0080.00018.22
8.2.30.0040.00418.18
8.2.20.0000.00817.50
8.2.10.0000.00717.98
8.2.00.0000.00817.61
8.1.280.0070.00725.92
8.1.270.0000.00922.05
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0040.00423.84
8.1.230.0040.00719.08
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0060.00317.23
8.1.190.0040.00417.11
8.1.180.0000.00818.10
8.1.170.0000.00818.38
8.1.160.0030.00521.95
8.1.150.0040.00418.82
8.1.140.0070.00017.29
8.1.130.0030.00317.74
8.1.120.0030.00417.43
8.1.110.0000.00817.34
8.1.100.0030.00317.29
8.1.90.0000.00717.32
8.1.80.0030.00617.37
8.1.70.0000.00717.28
8.1.60.0020.00517.59
8.1.50.0000.00717.47
8.1.40.0000.00817.38
8.1.30.0000.00817.50
8.1.20.0080.00017.53
8.1.10.0020.00517.45
8.1.00.0030.00517.37
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0000.00818.38
8.0.270.0000.00717.08
8.0.260.0000.00617.11
8.0.250.0070.00016.80
8.0.240.0000.00816.92
8.0.230.0050.00316.83
8.0.220.0000.00716.79
8.0.210.0030.00516.70
8.0.200.0000.00716.84
8.0.190.0040.00416.78
8.0.180.0070.00016.77
8.0.170.0080.00016.75
8.0.160.0070.00016.77
8.0.150.0030.00316.84
8.0.140.0080.00016.79
8.0.130.0020.00513.28
8.0.120.0060.00316.65
8.0.110.0040.00416.75
8.0.100.0030.00516.70
8.0.90.0040.00416.70
8.0.80.0070.00716.87
8.0.70.0030.00316.95
8.0.60.0040.00416.95
8.0.50.0070.00016.86
8.0.30.0050.01417.10
8.0.20.0140.00517.40
8.0.10.0000.00816.80
8.0.00.0130.00616.67
7.4.330.0030.00315.00
7.4.320.0000.00616.56
7.4.300.0030.00316.60
7.4.290.0030.00316.54
7.4.280.0040.00416.54
7.4.270.0070.00016.54
7.4.260.0000.00716.36
7.4.250.0040.00416.37
7.4.240.0070.00016.56
7.4.230.0030.00316.58
7.4.220.0090.00616.66
7.4.210.0060.00916.42
7.4.200.0000.00716.29
7.4.160.0080.00816.44
7.4.150.0090.00917.40
7.4.140.0170.00517.86
7.4.130.0070.00916.33
7.4.120.0110.00716.46
7.4.110.0130.00316.40
7.4.100.0070.01116.26
7.4.90.0040.01316.48
7.4.80.0130.00619.39
7.4.70.0130.00316.34
7.4.60.0100.00716.44
7.4.50.0040.00016.38
7.4.40.0080.00816.25
7.4.30.0120.01216.45
7.4.00.0030.01414.90
7.3.330.0050.00013.06
7.3.320.0000.00613.19
7.3.310.0000.00616.21
7.3.300.0000.00716.18
7.3.290.0090.00616.11
7.3.280.0110.00616.18
7.3.270.0070.01117.40
7.3.260.0060.01216.47
7.3.250.0070.01316.26
7.3.240.0070.00816.52
7.3.230.0100.01016.39
7.3.210.0030.01416.52
7.3.200.0100.00619.39
7.3.190.0060.01216.59
7.3.180.0120.00616.48
7.3.170.0060.01416.30
7.3.160.0060.00916.08
7.3.120.0100.00714.81
7.3.110.0040.01014.95
7.3.100.0080.00814.42
7.3.90.0000.01714.77
7.3.80.0000.01514.45
7.3.70.0070.00714.70
7.3.60.0070.00414.93
7.3.50.0030.01414.69
7.3.40.0030.00614.43
7.3.30.0040.00714.75
7.3.20.0090.00616.14
7.3.10.0090.00016.48
7.3.00.0120.00416.66
7.2.330.0070.01016.38
7.2.320.0120.00416.62
7.2.310.0110.01116.63
7.2.300.0070.01016.59
7.2.290.0030.01416.36
7.2.250.0100.01014.83
7.2.240.0130.00314.95
7.2.230.0030.00914.86
7.2.220.0030.01314.59
7.2.210.0070.01114.82
7.2.200.0070.00714.88
7.2.190.0140.00314.91
7.2.180.0040.00714.85
7.2.170.0030.01314.86
7.2.00.0060.00619.29
7.1.330.0100.00315.54
7.1.320.0080.00615.36
7.1.310.0040.01115.79
7.1.300.0000.01415.76
7.1.290.0030.01415.65
7.1.280.0070.00715.78
7.1.270.0000.01215.52
7.1.260.0000.01415.71
7.1.100.0910.00716.43
7.1.70.0000.01017.20
7.1.60.0110.01419.70
7.1.50.0140.01116.87
7.1.00.0000.08322.44
7.0.200.0000.00716.52
7.0.140.0030.07022.07
7.0.60.0130.07720.02
7.0.50.0170.06317.83
7.0.40.0070.05720.26
7.0.30.0370.06720.10
7.0.20.0330.07720.24
7.0.10.0030.04720.09
7.0.00.0070.08320.06
5.6.280.0030.07320.92
5.6.210.0070.07020.63
5.6.200.0030.08718.20
5.6.190.0100.08720.33
5.6.180.3200.05020.48
5.6.170.0230.04720.56
5.6.160.0000.06320.58
5.6.150.0070.03718.15
5.6.140.0070.08318.19
5.6.130.0000.05018.16
5.6.120.0030.04321.01
5.6.110.0130.07021.01
5.6.100.0000.08721.04
5.6.90.0130.07321.00
5.6.80.0030.07020.38
5.6.70.4570.04020.28
5.5.350.0070.07720.46
5.5.340.0070.04317.97
5.5.330.0100.05020.57
5.5.320.0230.08020.51
5.5.310.0270.03320.32
5.5.300.0000.04018.06
5.5.290.0070.08018.08
5.5.280.0070.08320.68
5.5.270.0130.08320.77
5.5.260.0170.06020.87
5.5.250.0000.06320.59
5.5.240.0030.05720.23
5.4.450.0630.05019.55
5.4.440.0200.05319.70
5.4.430.0300.05319.30
5.4.420.0300.04719.70
5.4.410.0170.04718.70
5.4.400.0270.05018.77
5.4.390.0570.06018.76
5.4.380.0200.05018.77
5.4.370.0000.04318.56
5.4.360.0130.03318.56
5.4.350.0070.03712.02
5.4.340.0070.03712.02
5.4.320.0080.03712.51
5.4.310.0100.04312.50
5.4.300.0080.03412.50
5.4.290.0090.04012.50
5.4.280.0090.04212.40
5.4.270.0090.03912.39
5.4.260.0060.04112.39
5.4.250.0050.04512.40
5.4.240.0040.04212.40
5.4.230.0070.03912.39
5.4.220.0090.03412.39
5.4.210.0060.04012.39
5.4.200.0080.03712.39
5.4.190.0030.03912.38
5.4.180.0070.03712.39
5.4.170.0090.03512.39
5.4.160.0050.04312.39
5.4.150.0090.03812.39
5.4.140.0080.03412.07
5.4.130.0090.03812.06
5.4.120.0070.03612.01
5.4.110.0120.03312.01
5.4.100.0090.03712.01
5.4.90.0080.03812.02
5.4.80.0060.04112.01
5.4.70.0080.03512.01
5.4.60.0050.03512.01
5.4.50.0060.04112.01
5.4.40.0060.03312.00
5.4.30.0070.03511.99
5.4.20.0060.03812.00
5.4.10.0070.03712.00
5.4.00.0050.04111.48
5.3.290.0040.04112.80
5.3.280.0060.03812.71
5.3.270.0050.03912.73
5.3.260.0080.04312.72
5.3.250.0060.03612.72
5.3.240.0090.04012.72
5.3.230.0090.04112.71
5.3.220.0090.03612.68
5.3.210.0070.03812.68
5.3.200.0100.03212.68
5.3.190.0060.03712.68
5.3.180.0040.03812.67
5.3.170.0050.03612.66
5.3.160.0110.03512.67
5.3.150.0070.03612.68
5.3.140.0120.03912.66
5.3.130.0080.04212.66
5.3.120.0050.04012.66
5.3.110.0080.03712.65
5.3.100.0070.03712.12
5.3.90.0070.03812.10
5.3.80.0030.03912.09
5.3.70.0060.04112.09
5.3.60.0100.03212.07
5.3.50.0040.04312.03
5.3.40.0060.03612.02
5.3.30.0070.03411.98
5.3.20.0090.03211.77
5.3.10.0070.03411.73
5.3.00.0070.04211.72
5.2.170.0030.0329.22
5.2.160.0040.0309.21
5.2.150.0030.0339.22
5.2.140.0010.0349.22
5.2.130.0030.0319.18
5.2.120.0070.0279.18
5.2.110.0070.0279.18
5.2.100.0050.0299.18
5.2.90.0040.0349.17
5.2.80.0030.0319.18
5.2.70.0080.0289.18
5.2.60.0060.0349.13
5.2.50.0080.0279.10
5.2.40.0090.0319.07
5.2.30.0050.0299.05
5.2.20.0050.0289.03
5.2.10.0040.0328.94
5.2.00.0040.0338.80
5.1.60.0040.0248.09
5.1.50.0050.0318.09
5.1.40.0060.0248.06
5.1.30.0090.0378.41
5.1.20.0030.0278.44
5.1.10.0060.0318.16
5.1.00.0070.0268.16
5.0.50.0040.0206.64
5.0.40.0060.0176.50
5.0.30.0040.0306.32
5.0.20.0030.0206.28
5.0.10.0060.0176.25
5.0.00.0020.0326.25
4.4.90.0030.0154.78
4.4.80.0020.0164.75
4.4.70.0020.0164.75
4.4.60.0030.0154.75
4.4.50.0040.0144.77
4.4.40.0030.0254.71
4.4.30.0050.0134.76
4.4.20.0020.0164.85
4.4.10.0030.0154.85
4.4.00.0030.0254.76
4.3.110.0020.0164.67
4.3.100.0050.0134.66
4.3.90.0030.0144.63
4.3.80.0030.0244.59
4.3.70.0030.0144.63
4.3.60.0040.0134.63
4.3.50.0020.0164.63
4.3.40.0030.0254.54
4.3.30.0030.0163.30
4.3.20.0030.0163.28
4.3.10.0030.0153.24
4.3.00.0130.0237.13

preferences:
42.49 ms | 401 KiB | 5 Q