3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = []; $b = ["item_data"=>[a,b,c]]; $d = ["item_data"=>[d,e,f]]; $c = array_merge($a,$b,$c); var_dump($c);

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)
8.3.60.0100.01016.74
8.3.50.0120.00722.82
8.3.40.0120.00618.83
8.3.30.0030.01019.17
8.3.20.0040.00420.30
8.3.10.0000.00823.65
8.3.00.0070.00719.25
8.2.180.0170.00318.66
8.2.170.0040.01122.96
8.2.160.0070.00720.43
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0040.00420.86
8.2.110.0080.00022.13
8.2.100.0090.00318.22
8.2.90.0000.01019.23
8.2.80.0080.00017.97
8.2.70.0090.00017.63
8.2.60.0080.00017.68
8.2.50.0040.00418.07
8.2.40.0080.00019.95
8.2.30.0040.00418.04
8.2.20.0000.00817.64
8.2.10.0000.00717.98
8.2.00.0000.00717.67
8.1.280.0130.00725.92
8.1.270.0080.00023.80
8.1.260.0000.00726.35
8.1.250.0000.00828.09
8.1.240.0090.00018.82
8.1.230.0060.00619.04
8.1.220.0080.00017.76
8.1.210.0080.00018.77
8.1.200.0040.00417.23
8.1.190.0040.00417.34
8.1.180.0040.00418.10
8.1.170.0130.00018.59
8.1.160.0040.00422.00
8.1.150.0040.00418.84
8.1.140.0000.00817.39
8.1.130.0000.00617.75
8.1.120.0000.00717.50
8.1.110.0000.00817.34
8.1.100.0050.00217.40
8.1.90.0040.00417.31
8.1.80.0070.00017.43
8.1.70.0070.00017.39
8.1.60.0050.00317.46
8.1.50.0070.00417.46
8.1.40.0040.00417.39
8.1.30.0000.00817.55
8.1.20.0040.00417.64
8.1.10.0000.00717.49
8.1.00.0000.00717.35
8.0.300.0000.00718.77
8.0.290.0000.00816.75
8.0.280.0000.00718.43
8.0.270.0030.00517.18
8.0.260.0030.00317.28
8.0.250.0030.00317.10
8.0.240.0070.00017.05
8.0.230.0030.00316.85
8.0.220.0030.00316.89
8.0.210.0070.00016.85
8.0.200.0070.00016.89
8.0.190.0050.00317.02
8.0.180.0030.00517.00
8.0.170.0030.00616.98
8.0.160.0040.00416.93
8.0.150.0040.00316.95
8.0.140.0040.00416.86
8.0.130.0050.00013.33
8.0.120.0040.00416.81
8.0.110.0000.00716.85
8.0.100.0000.00716.93
8.0.90.0070.00016.99
8.0.80.0030.01316.84
8.0.70.0080.00017.03
8.0.60.0050.00316.92
8.0.50.0050.00316.91
8.0.30.0080.01117.11
8.0.20.0110.01117.40
8.0.10.0050.00317.02
8.0.00.0170.00316.68
7.4.330.0000.00515.07
7.4.320.0000.00716.48
7.4.300.0000.00616.63
7.4.290.0030.00316.48
7.4.280.0000.00816.50
7.4.270.0000.00716.39
7.4.260.0040.00416.43
7.4.250.0000.00816.45
7.4.240.0040.00416.53
7.4.230.0070.00016.43
7.4.220.0060.01216.50
7.4.210.0060.00916.59
7.4.200.0000.00716.49
7.4.160.0060.00916.50
7.4.150.0130.00417.40
7.4.140.0110.00717.86
7.4.130.0060.01116.56
7.4.120.0110.00616.53
7.4.110.0130.00816.72
7.4.100.0060.01216.48
7.4.90.0120.00616.47
7.4.80.0130.01019.39
7.4.70.0090.00916.67
7.4.60.0070.01016.65
7.4.50.0060.00316.61
7.4.40.0120.01316.37
7.4.30.0090.01216.55
7.4.10.0090.00914.90
7.4.00.0090.00815.13
7.3.330.0000.00513.14
7.3.320.0000.00513.16
7.3.310.0030.00316.19
7.3.300.0030.00316.03
7.3.290.0120.00316.26
7.3.280.0080.01016.27
7.3.270.0060.01217.40
7.3.260.0050.01416.63
7.3.250.0090.01016.31
7.3.240.0160.00616.23
7.3.230.0070.01016.39
7.3.210.0160.00616.56
7.3.200.0140.00719.39
7.3.190.0090.00916.21
7.3.180.0040.01216.45
7.3.170.0060.01016.43
7.3.160.0060.00916.28
7.3.130.0060.01014.84
7.3.120.0080.01114.86
7.3.110.0090.00914.66
7.3.100.0070.00714.76
7.3.90.0040.00814.71
7.3.80.0100.00314.85
7.3.70.0030.01014.80
7.3.60.0060.00914.88
7.3.50.0070.00714.80
7.3.40.0090.00014.89
7.3.30.0000.01514.70
7.3.20.0030.01016.67
7.3.10.0030.01016.41
7.3.00.0060.00616.70
7.2.330.0120.00616.74
7.2.320.0170.00016.71
7.2.310.0130.00416.52
7.2.300.0140.00316.63
7.2.290.0110.00616.54
7.2.260.0070.01114.74
7.2.250.0070.01115.08
7.2.240.0000.01314.96
7.2.230.0030.01015.23
7.2.220.0110.00415.04
7.2.210.0000.01415.25
7.2.200.0070.00315.25
7.2.190.0100.00714.90
7.2.180.0060.00915.06
7.2.170.0030.01314.91
7.2.160.0030.01315.10
7.2.150.0060.00916.92
7.2.140.0060.00916.96
7.2.130.0030.00616.88
7.2.120.0030.00716.90
7.2.110.0130.00716.58
7.2.100.0060.00916.68
7.2.90.0040.00817.02
7.2.80.0070.00716.86
7.2.70.0130.00316.58
7.2.60.0050.00816.86
7.2.50.0060.00916.68
7.2.40.0090.00616.98
7.2.30.0070.01016.93
7.2.20.0100.01017.00
7.2.10.0030.01616.88
7.2.00.0060.00818.15
7.1.330.0070.01015.70
7.1.320.0070.01015.67
7.1.310.0030.01015.72
7.1.300.0060.00615.61
7.1.290.0070.00415.73
7.1.280.0050.00515.51
7.1.270.0030.00915.68
7.1.260.0040.00815.65
7.1.250.0090.00615.75
7.1.240.0050.00515.71
7.1.230.0000.01315.79
7.1.220.0000.01615.63
7.1.210.0030.00915.88
7.1.200.0030.01315.71
7.1.190.0030.01315.50
7.1.180.0030.01015.54
7.1.170.0090.00615.86
7.1.160.0080.00515.72
7.1.150.0040.01115.77
7.1.140.0120.00315.82
7.1.130.0060.00915.83
7.1.120.0000.01315.54
7.1.110.0060.01015.78
7.1.100.0050.01116.64
7.1.90.0040.00715.59
7.1.80.0030.01015.92
7.1.70.0030.00716.16
7.1.60.0050.01117.60
7.1.50.0070.00916.17
7.1.40.0030.01315.79
7.1.30.0090.00315.67
7.1.20.0040.01215.50
7.1.10.0030.01315.61
7.1.00.0050.04119.09
7.0.330.0030.01015.23
7.0.320.0000.01415.58
7.0.310.0060.00615.39
7.0.300.0060.00915.36
7.0.290.0030.00615.01
7.0.280.0110.00415.42
7.0.270.0000.01415.27
7.0.260.0040.00815.17
7.0.250.0060.00915.38
7.0.240.0090.00615.57
7.0.230.0030.00615.34
7.0.220.0030.01015.27
7.0.210.0040.01115.38
7.0.200.0040.00616.06
7.0.190.0000.01315.16
7.0.180.0060.00615.47
7.0.170.0130.00015.16
7.0.160.0070.01015.25
7.0.150.0070.00715.30
7.0.140.0030.04118.69
7.0.130.0100.00315.22
7.0.120.0040.00715.36
7.0.110.0030.01015.46
7.0.100.0070.01015.39
7.0.90.0040.00415.43
7.0.80.0070.00314.98
7.0.70.0060.00615.20
7.0.60.0060.03217.71
7.0.50.0040.04416.60
7.0.40.0130.02316.88
7.0.30.0150.03716.87
7.0.20.0170.03116.84
7.0.10.0020.03816.78
7.0.00.0090.04116.90
5.6.400.0120.00313.94
5.6.390.0040.00714.31
5.6.380.0070.01014.11
5.6.370.0070.00714.20
5.6.360.0030.01114.47
5.6.350.0040.01114.60
5.6.340.0060.00914.61
5.6.330.0030.00614.50
5.6.320.0090.00913.91
5.6.310.0040.01114.52
5.6.300.0030.01414.55
5.6.290.0080.00814.07
5.6.280.0090.03517.69
5.6.270.0030.01014.55
5.6.260.0090.00614.04
5.6.250.0060.00714.18
5.6.240.0090.00314.35
5.6.230.0110.00314.25
5.6.220.0090.00314.18
5.6.210.0060.04217.54
5.6.200.0050.04416.11
5.6.190.0090.02217.40
5.6.180.2180.02217.53
5.6.170.0230.04017.27
5.6.160.0120.03817.35
5.6.150.0070.02516.14
5.6.140.0130.04016.17
5.6.130.0080.03016.28
5.6.120.0080.04117.75
5.6.110.0040.04517.56
5.6.100.0060.02517.60
5.6.90.0050.04317.59
5.6.80.0120.03017.26
5.6.70.2300.01917.22
5.6.60.0050.00513.94
5.6.50.0060.00914.00
5.6.40.0110.00314.04
5.6.30.0040.01114.47
5.6.20.0040.01114.07
5.6.10.0000.01614.36
5.6.00.0080.00614.06
5.5.380.0100.00313.90
5.5.370.0090.00614.36
5.5.360.0030.01413.84
5.5.350.0130.04317.38
5.5.340.0090.04015.94
5.5.330.0070.03517.22
5.5.320.0250.04317.29
5.5.310.0160.04117.33
5.5.300.0090.04415.96
5.5.290.0070.03716.05
5.5.280.0100.02317.52
5.5.270.0050.04517.67
5.5.260.0090.04417.40
5.5.250.0080.04517.38
5.5.240.0080.02417.09
5.5.230.0030.01014.26
5.5.220.0060.00613.96
5.5.210.0040.00714.21
5.5.200.0030.01314.08
5.5.190.0090.00614.13
5.5.180.0060.00314.02
5.5.170.0100.00713.96
5.5.160.0040.00714.12
5.5.150.0030.00714.01
5.5.140.0030.01013.79
5.5.130.0120.00314.03
5.5.120.0030.00914.20
5.5.110.0040.00813.84
5.5.100.0070.00413.94
5.5.90.0000.01513.96
5.5.80.0060.00614.23
5.5.70.0080.00014.04
5.5.60.0080.00414.10
5.5.50.0030.01013.94
5.5.40.0140.00014.19
5.5.30.0100.00713.76
5.5.20.0150.00014.09
5.5.10.0090.00613.59
5.5.00.0090.00014.27
5.4.450.0510.02315.22
5.4.440.0200.01615.05
5.4.430.0160.02814.98
5.4.420.0480.01815.10
5.4.410.0170.02315.09
5.4.400.0200.02514.63
5.4.390.0150.02714.87
5.4.380.0270.02814.85
5.4.370.0150.02814.68
5.4.360.0180.02714.74
5.4.350.0250.02814.76
5.4.340.0160.03414.69
5.4.330.0090.00010.73
5.4.320.0050.02111.71
5.4.310.0050.02011.65
5.4.300.0050.02111.66
5.4.290.0040.02011.61
5.4.280.0050.02211.49
5.4.270.0030.02411.48
5.4.260.0020.02211.60
5.4.250.0060.02711.43
5.4.240.0090.02111.52
5.4.230.0050.02211.57
5.4.220.0050.02011.55
5.4.210.0060.01911.58
5.4.200.0040.02611.56
5.4.190.0040.02311.56
5.4.180.0070.02111.48
5.4.170.0060.01911.51
5.4.160.0100.02111.55
5.4.150.0030.02211.53
5.4.140.0070.01911.23
5.4.130.0050.02011.38
5.4.120.0050.02611.32
5.4.110.0040.02111.37
5.4.100.0100.01611.53
5.4.90.0050.02111.33
5.4.80.0110.01711.42
5.4.70.0060.02111.34
5.4.60.0050.02311.22
5.4.50.0080.02211.37
5.4.40.0070.01911.23
5.4.30.0070.01811.35
5.4.20.0060.01911.39
5.4.10.0040.02111.41
5.4.00.0040.02111.01
5.3.290.0050.03912.80
5.3.280.0070.03612.71
5.3.270.0020.04312.72
5.3.260.0070.03712.72
5.3.250.0070.03512.72
5.3.240.0060.03612.72
5.3.230.0050.03812.71
5.3.220.0030.03912.68
5.3.210.0070.03812.68
5.3.200.0060.03712.68
5.3.190.0050.03912.68
5.3.180.0100.03312.68
5.3.170.0050.03712.67
5.3.160.0040.03812.68
5.3.150.0110.03112.68
5.3.140.0040.03812.66
5.3.130.0080.03712.66
5.3.120.0070.03712.66
5.3.110.0080.03912.66
5.3.100.0090.03612.12
5.3.90.0070.03412.08
5.3.80.0050.03612.08
5.3.70.0070.03512.07
5.3.60.0070.03412.07
5.3.50.0090.03212.00
5.3.40.0060.03512.00
5.3.30.0080.04011.95
5.3.20.0050.03511.73
5.3.10.0080.03211.70
5.3.00.0040.03811.68
5.2.170.0060.0309.18
5.2.160.0050.0329.18
5.2.150.0060.0329.18
5.2.140.0100.0329.18
5.2.130.0050.0299.14
5.2.120.0060.0299.14
5.2.110.0070.0299.15
5.2.100.0030.0309.14
5.2.90.0060.0359.14
5.2.80.0010.0339.14
5.2.70.0050.0309.14
5.2.60.0030.0349.09
5.2.50.0040.0309.05
5.2.40.0030.0309.04
5.2.30.0060.0289.01
5.2.20.0030.0309.00
5.2.10.0030.0298.93
5.2.00.0080.0258.78
5.1.60.0030.0278.06
5.1.50.0040.0268.06
5.1.40.0040.0248.05
5.1.30.0040.0308.40
5.1.20.0010.0298.42
5.1.10.0000.0318.14
5.1.00.0050.0268.14
5.0.50.0030.0206.62
5.0.40.0040.0196.48
5.0.30.0030.0316.29
5.0.20.0050.0206.27
5.0.10.0050.0176.24
5.0.00.0040.0356.23
4.4.90.0020.0164.78
4.4.80.0010.0164.76
4.4.70.0030.0224.75
4.4.60.0020.0164.75
4.4.50.0030.0164.77
4.4.40.0020.0254.71
4.4.30.0010.0174.75
4.4.20.0030.0154.84
4.4.10.0050.0134.85
4.4.00.0030.0244.76
4.3.110.0040.0144.67
4.3.100.0020.0184.66
4.3.90.0030.0144.63
4.3.80.0050.0254.59
4.3.70.0060.0204.63
4.3.60.0030.0134.63
4.3.50.0040.0144.63
4.3.40.0030.0234.54
4.3.30.0010.0223.29
4.3.20.0030.0153.26
4.3.10.0000.0173.22
4.3.00.0070.02015.63

preferences:
42.32 ms | 401 KiB | 5 Q