3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(array(1),2,3); $b = array(1,2,3); $f = array(2,3,4); $c = array_merge($a, $b, $f); $d = array_unique(array_merge(array(1,2,3),array(array("hola" =>1,"como" => 2, "andas" => 3), array("hola" => 2, "bien" => 3, "vos" => 4)))); var_dump($d);

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)
8.3.70.0070.00716.63
8.3.60.0090.01216.75
8.3.50.0140.00522.04
8.3.40.0150.00418.84
8.3.30.0030.01019.04
8.3.20.0040.00420.22
8.3.10.0040.00420.29
8.3.00.0060.00319.33
8.2.180.0110.00716.38
8.2.170.0070.00722.96
8.2.160.0140.00320.38
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0030.00526.16
8.2.120.0080.00021.04
8.2.110.0100.00021.12
8.2.100.0080.00417.78
8.2.90.0040.00419.09
8.2.80.0060.00317.97
8.2.70.0050.00317.50
8.2.60.0040.00417.80
8.2.50.0120.00018.07
8.2.40.0040.00418.22
8.2.30.0040.00419.37
8.2.20.0080.00017.48
8.2.10.0030.00519.82
8.2.00.0070.00017.63
8.1.280.0090.00925.92
8.1.270.0040.00423.96
8.1.260.0000.00726.35
8.1.250.0000.00828.09
8.1.240.0030.00622.45
8.1.230.0060.00620.81
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0070.00317.22
8.1.190.0050.00317.22
8.1.180.0060.00318.10
8.1.170.0050.00318.61
8.1.160.0000.00722.01
8.1.150.0000.00718.86
8.1.140.0050.00217.32
8.1.130.0000.00717.73
8.1.120.0070.00017.42
8.1.110.0080.00017.29
8.1.100.0040.00417.32
8.1.90.0040.00417.46
8.1.80.0000.00717.46
8.1.70.0030.00317.36
8.1.60.0070.00417.52
8.1.50.0040.00417.47
8.1.40.0050.00317.46
8.1.30.0030.00517.52
8.1.20.0040.00417.59
8.1.10.0000.00717.37
8.1.00.0050.00217.26
8.0.300.0030.00618.77
8.0.290.0040.00416.75
8.0.280.0000.00818.36
8.0.270.0030.00317.23
8.0.260.0000.00717.23
8.0.250.0070.00016.84
8.0.240.0030.00316.97
8.0.230.0070.00016.91
8.0.220.0000.00716.92
8.0.210.0040.00416.79
8.0.200.0030.00316.87
8.0.190.0040.00416.94
8.0.180.0070.00016.76
8.0.170.0070.00016.79
8.0.160.0080.00016.80
8.0.150.0030.00516.87
8.0.140.0030.00916.83
8.0.130.0030.00313.33
8.0.120.0040.00416.80
8.0.110.0000.00816.86
8.0.100.0000.00716.68
8.0.90.0090.00016.84
8.0.80.0150.00616.78
8.0.70.0050.00316.88
8.0.60.0030.00516.90
8.0.50.0040.00416.75
8.0.30.0120.00716.98
8.0.20.0120.01017.40
8.0.10.0000.00716.88
8.0.00.0080.00816.72
7.4.330.0030.00315.00
7.4.320.0030.00316.52
7.4.300.0000.00716.50
7.4.290.0070.00016.43
7.4.280.0060.00316.51
7.4.270.0070.00016.41
7.4.260.0080.00016.54
7.4.250.0070.00016.50
7.4.240.0030.00316.52
7.4.230.0040.00416.27
7.4.220.0140.00416.57
7.4.210.0060.00916.38
7.4.200.0070.00016.63
7.4.160.0060.00916.10
7.4.150.0180.00017.40
7.4.140.0150.00617.86
7.4.130.0110.01316.35
7.4.120.0080.01016.37
7.4.110.0080.00816.61
7.4.100.0150.00816.52
7.4.90.0100.00716.38
7.4.80.0130.00619.39
7.4.70.0160.01316.28
7.4.60.0130.00316.37
7.4.50.0060.00316.74
7.4.40.0070.01016.29
7.4.30.0060.01616.32
7.4.00.0130.00315.06
7.3.330.0030.00313.12
7.3.320.0000.00513.04
7.3.310.0070.00016.24
7.3.300.0000.00616.19
7.3.290.0120.00316.13
7.3.280.0120.00616.21
7.3.270.0140.00417.40
7.3.260.0070.01016.46
7.3.250.0110.00816.20
7.3.240.0110.00816.36
7.3.230.0060.01216.39
7.3.210.0140.00316.13
7.3.200.0040.01919.39
7.3.190.0090.00916.39
7.3.180.0060.01016.30
7.3.170.0100.00716.27
7.3.160.0060.00916.54
7.2.330.0130.00816.32
7.2.320.0080.00816.55
7.2.310.0130.00316.60
7.2.300.0090.01516.21
7.2.290.0070.01016.54
7.2.60.0060.00916.82
7.2.00.0040.00819.32
7.1.200.0100.00315.46
7.1.100.0040.01117.97
7.1.70.0100.00716.90
7.1.60.0070.01319.61
7.1.50.0060.01916.50
7.1.00.0070.08022.44
7.0.200.0040.00416.46
7.0.140.0100.06722.02
7.0.60.0130.08319.96
7.0.50.0170.07317.84
7.0.40.0030.08020.30
7.0.30.0200.03720.01
7.0.20.0330.07020.00
7.0.10.0200.07720.18
7.0.00.0130.08020.09
5.6.280.0030.07321.12
5.6.210.0070.08320.68
5.6.200.0130.07718.22
5.6.190.0070.05320.64
5.6.180.0400.05020.60
5.6.170.0430.06720.49
5.6.160.0170.07320.48
5.6.150.0130.03018.05
5.6.140.0000.04718.21
5.6.130.0000.07318.11
5.6.120.0030.04720.78
5.6.110.0070.07720.98
5.6.100.0070.08321.00
5.6.90.0000.07721.11
5.6.80.0030.07720.40
5.5.350.0100.08320.34
5.5.340.0170.07017.88
5.5.330.0130.05020.07
5.5.320.0100.06720.34
5.5.310.0230.04020.26
5.5.300.0130.07018.00
5.5.290.0070.08017.95
5.5.280.0030.06020.97
5.5.270.0000.05020.74
5.5.260.0100.07720.64
5.5.250.0030.04020.70
5.5.240.0200.06320.27
5.4.450.0170.06019.24
5.4.440.0200.04719.46
5.4.430.0230.07719.41
5.4.420.0270.05319.38
5.4.410.0270.03319.33
5.4.400.0330.03319.11
5.4.390.0300.07019.08
5.4.380.0230.04018.91
5.4.370.0330.06719.09
5.4.360.0400.04019.13
5.4.350.0330.06019.24
5.4.340.0370.06019.08
5.4.320.0330.06319.09
5.4.310.0230.07019.10
5.4.300.0300.05319.13
5.4.290.0200.07319.13
5.4.280.0370.06019.05
5.4.270.0200.03719.24
5.4.260.0130.05019.09
5.4.250.0230.04719.08
5.4.240.0170.04019.24
5.4.230.0200.03718.87
5.4.220.0370.06719.17
5.4.210.0330.05719.13
5.4.200.0370.06718.88
5.4.190.0370.06018.87
5.4.180.0270.04019.14
5.4.170.0330.07318.87
5.4.160.0400.06319.03
5.4.150.0370.06718.79
5.4.140.0270.03316.26
5.4.130.0230.03716.43
5.4.120.0400.05716.43
5.4.110.0270.07016.18
5.4.100.0230.06316.20
5.4.90.0370.03716.21
5.4.80.0330.06316.38
5.4.70.0370.06716.37
5.4.60.0230.05716.34
5.4.50.0270.03316.40
5.4.40.0230.05316.36
5.4.30.0270.04716.39
5.4.20.0370.06016.34
5.4.10.0270.06716.39
5.4.00.0270.06015.75
5.3.290.0270.07314.55
5.3.280.0330.06014.55
5.3.270.0370.06314.45
5.3.260.0230.05714.58
5.3.250.0270.05314.45
5.3.240.0270.04714.47
5.3.230.0230.05014.53
5.3.220.0230.06314.40
5.3.210.0300.03714.48
5.3.200.0330.06014.55
5.3.190.0300.04314.55
5.3.180.0270.04714.61
5.3.170.0200.03714.65
5.3.160.0270.04714.51
5.3.150.0230.05714.52
5.3.140.0230.04314.39
5.3.130.0300.07314.48
5.3.120.0270.06714.40
5.3.110.0330.06714.46
5.3.100.0270.06714.13
5.3.90.0200.07313.87
5.3.80.0230.05014.13
5.3.70.0230.03713.89
5.3.60.0200.04013.88
5.3.50.0300.06713.82
5.3.40.0470.03013.89
5.3.30.0400.05713.69
5.3.20.0300.04713.64
5.3.10.0370.05713.75
5.3.00.0370.06013.43
5.2.170.0330.05012.14
5.2.160.0270.05312.14
5.2.150.0170.03312.14
5.2.140.0270.06012.14
5.2.130.0270.05712.14
5.2.120.0230.05712.14
5.2.110.0200.03012.14
5.2.100.0330.04312.14
5.2.90.0230.03012.14
5.2.80.0300.04712.14
5.2.70.0230.05012.14
5.2.60.0300.05312.14
5.2.50.0270.04012.14
5.2.40.0200.04312.14
5.2.30.0200.03712.14
5.2.20.0170.03312.14
5.2.10.0200.04312.14
5.2.00.0170.05712.14
5.1.60.0230.04712.14
5.1.50.0200.04012.14
5.1.40.0230.04012.14
5.1.30.0200.04712.14
5.1.20.0230.04312.14
5.1.10.0170.04712.14
5.1.00.0230.05012.14
5.0.50.0100.05012.14
5.0.40.0170.03712.14
5.0.30.0130.06312.14
5.0.20.0100.02712.14
5.0.10.0100.02712.14
5.0.00.0070.03712.14
4.4.90.0100.03312.14
4.4.80.0130.02712.14
4.4.70.0100.02712.14
4.4.60.0130.02312.14
4.4.50.0130.03012.14
4.4.40.0130.05012.14
4.4.30.0130.03012.14
4.4.20.0100.02012.14
4.4.10.0170.03012.14
4.4.00.0100.05012.14
4.3.110.0130.02712.14
4.3.100.0170.01312.14
4.3.90.0070.02712.14
4.3.80.0070.03312.14
4.3.70.0070.02312.14
4.3.60.0130.03012.14
4.3.50.0100.02312.14
4.3.40.0100.05012.14
4.3.30.0030.04012.14
4.3.20.0030.03012.14
4.3.10.0030.04012.14
4.3.00.0030.03312.14

preferences:
46.08 ms | 401 KiB | 5 Q