3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = array ( 'nested' => array ( 'orig' => 1, 'numarr' => array( 1, 2, 3, 4, 5 ) ) ); // array2 $array2 = array ( 'nested' => Array ( 'numarr' => Array ( 6, 7 ) ) ); print_r(array_merge($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)
8.3.40.0070.00718.46
8.3.30.0120.00918.88
8.3.20.0040.00420.04
8.3.10.0080.00022.10
8.3.00.0080.00022.40
8.2.170.0100.01022.96
8.2.160.0100.00320.52
8.2.150.0000.00924.18
8.2.140.0040.00424.66
8.2.130.0090.00926.16
8.2.120.0080.00017.63
8.2.110.0060.00322.31
8.2.100.0040.00819.32
8.2.90.0080.00019.11
8.2.80.0080.00017.97
8.2.70.0040.00417.38
8.2.60.0070.00017.80
8.2.50.0040.00418.07
8.2.40.0000.00817.94
8.2.30.0060.00318.04
8.2.20.0040.00417.66
8.2.10.0040.00419.45
8.2.00.0100.00017.61
8.1.270.0050.00322.20
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00423.92
8.1.230.0000.01119.17
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0040.00417.18
8.1.180.0030.00618.10
8.1.170.0080.00018.53
8.1.160.0060.00321.88
8.1.150.0000.00818.56
8.1.140.0040.00417.38
8.1.130.0000.00717.81
8.1.120.0070.00017.30
8.1.110.0000.00717.43
8.1.100.0050.00217.28
8.1.90.0000.00717.32
8.1.80.0040.00417.41
8.1.70.0000.00717.27
8.1.60.0060.00317.50
8.1.50.0040.00417.32
8.1.40.0040.00417.43
8.1.30.0040.00417.57
8.1.20.0040.00417.42
8.1.10.0050.00317.43
8.1.00.0000.00717.32
8.0.300.0070.00018.77
8.0.290.0070.00017.05
8.0.280.0070.00018.37
8.0.270.0030.00317.19
8.0.260.0030.00316.69
8.0.250.0040.00416.88
8.0.240.0030.00616.79
8.0.230.0000.00716.94
8.0.220.0070.00016.78
8.0.210.0030.00316.84
8.0.200.0030.00316.76
8.0.190.0000.00716.84
8.0.180.0000.00716.82
8.0.170.0040.00416.84
8.0.160.0040.00416.78
8.0.150.0040.00416.74
8.0.140.0030.00516.80
8.0.130.0040.00413.34
8.0.120.0040.00416.84
8.0.110.0040.00416.73
8.0.100.0030.00516.85
8.0.90.0040.00416.77
8.0.80.0100.00616.75
8.0.70.0040.00416.64
8.0.60.0040.00416.62
8.0.50.0040.00416.65
8.0.30.0100.01016.95
8.0.20.0070.01217.40
8.0.10.0040.00416.85
8.0.00.0120.00716.60
7.4.330.0000.00515.07
7.4.320.0070.00016.43
7.4.300.0030.00316.57
7.4.290.0000.01016.48
7.4.280.0050.00216.40
7.4.270.0060.00016.54
7.4.260.0030.00616.41
7.4.250.0000.00716.46
7.4.240.0020.00616.46
7.4.230.0060.00016.50
7.4.220.0030.01316.32
7.4.210.0070.00816.49
7.4.200.0070.00016.50
7.4.190.0070.00016.32
7.4.160.0080.00816.13
7.4.150.0120.00617.40
7.4.140.0120.00917.86
7.4.130.0080.01216.39
7.4.120.0080.01116.39
7.4.110.0130.00616.41
7.4.100.0180.00016.40
7.4.90.0100.00716.67
7.4.80.0080.01319.39
7.4.70.0110.00816.36
7.4.60.0050.01116.36
7.4.50.0000.00416.33
7.4.40.0110.00722.77
7.4.30.0070.01016.44
7.4.00.0060.00914.64
7.3.330.0060.00013.00
7.3.320.0000.00513.02
7.3.310.0040.00216.18
7.3.300.0030.00315.97
7.3.290.0070.00716.16
7.3.280.0110.00916.20
7.3.270.0050.01117.40
7.3.260.0030.01416.27
7.3.250.0100.00716.37
7.3.240.0130.00316.38
7.3.230.0090.01216.39
7.3.210.0160.00016.42
7.3.200.0060.01019.39
7.3.190.0110.00916.27
7.3.180.0090.00616.34
7.3.170.0110.00616.27
7.3.160.0090.00616.28
7.3.120.0100.00714.58
7.3.10.0070.01016.46
7.3.00.0100.00316.59
7.2.330.0160.00316.34
7.2.320.0170.00716.29
7.2.310.0030.01316.54
7.2.300.0110.00716.32
7.2.290.0100.00716.13
7.2.130.0030.01016.38
7.2.120.0030.01416.82
7.2.110.0140.00016.81
7.2.100.0040.01116.66
7.2.90.0040.01216.81
7.2.80.0040.00716.29
7.2.70.0030.00916.90
7.2.60.0060.00316.86
7.2.50.0040.01416.73
7.2.40.0150.00016.89
7.2.30.0070.00716.81
7.2.20.0080.00816.80
7.2.10.0040.01216.61
7.2.00.0070.00317.93
7.1.250.0090.00315.71
7.1.100.0000.01218.21
7.1.70.0060.00616.77
7.1.60.0140.01019.82
7.1.50.0100.01016.73
7.1.00.0000.07722.45
7.0.200.0000.00716.34
7.0.140.0030.07022.00
7.0.60.0000.04320.02
7.0.50.0070.06317.88
7.0.40.0070.07020.09
7.0.30.0300.06720.09
7.0.20.0230.04320.21
7.0.10.0300.07720.10
7.0.00.0070.04320.05
5.6.280.0100.06721.11
5.6.210.0130.05320.76
5.6.200.0030.05018.18
5.6.190.0070.04020.39
5.6.180.3330.03720.77
5.6.170.0430.07320.45
5.6.160.0100.04720.39
5.6.150.0070.06318.17
5.6.140.0070.08018.17
5.6.130.0100.07718.11
5.6.120.0100.08721.11
5.6.110.0170.08020.96
5.6.100.0130.05321.00
5.6.90.0130.06320.96
5.6.80.0070.08320.51
5.6.70.0330.06320.36
5.5.350.0000.08320.48
5.5.340.0100.03718.05
5.5.330.0070.07320.43
5.5.320.0330.07320.23
5.5.310.0230.08320.30
5.5.300.0030.06018.02
5.5.290.0100.05717.95
5.5.280.0070.05720.68
5.5.270.0030.04320.94
5.5.260.0000.04320.64
5.5.250.0030.08320.76
5.5.240.0200.06020.11
5.4.450.0800.06019.40
5.4.440.0670.04019.40
5.4.430.0030.06319.37
5.4.420.0130.07319.56
5.4.410.0070.06019.41
5.4.400.0770.00018.50
5.4.390.0800.00018.81
5.4.380.0270.05018.80
5.4.370.0200.05318.61
5.4.360.0270.04318.53
5.4.350.0200.05318.59
5.4.340.0200.05018.73
5.4.320.0060.03612.48
5.4.310.0090.04012.48
5.4.300.0070.04312.48
5.4.290.0070.04212.48
5.4.280.0080.03512.38
5.4.270.0100.07718.79
5.4.260.0100.06318.77
5.4.250.0100.05318.96
5.4.240.0100.07318.89
5.4.230.0170.06019.09
5.4.220.0200.06718.76
5.4.210.0030.08718.94
5.4.200.0070.06718.90
5.4.190.0230.06718.98
5.4.180.0170.05018.83
5.4.170.0170.06319.02
5.4.160.0200.06718.64
5.4.150.0170.05718.75
5.4.140.0070.05716.59
5.4.130.0170.04316.41
5.4.120.0030.05716.38
5.4.110.0100.05716.41
5.4.100.0100.05316.48
5.4.90.0230.05316.48
5.4.80.0070.05016.37
5.4.70.0170.06016.50
5.4.60.0130.04316.33
5.4.50.0200.05716.46
5.4.40.0100.05016.59
5.4.30.0030.05316.38
5.4.20.0030.06316.48
5.4.10.0070.06016.39
5.4.00.0070.04715.98
5.3.290.0050.04712.80
5.3.280.0100.05014.42
5.3.270.0100.05714.73
5.3.260.0100.05714.73
5.3.250.0130.05014.68
5.3.240.0100.07314.62
5.3.230.0070.07314.75
5.3.220.0130.05714.78
5.3.210.0070.05714.57
5.3.200.0100.04714.74
5.3.190.0000.06314.63
5.3.180.0130.06714.54
5.3.170.0070.05314.77
5.3.160.0130.05314.64
5.3.150.0200.04314.69
5.3.140.0100.07714.65
5.3.130.0130.05714.60
5.3.120.0100.05014.56
5.3.110.0100.05014.37
5.3.100.0100.05714.05
5.3.90.0170.05013.99
5.3.80.0130.04314.10
5.3.70.0130.06014.09
5.3.60.0130.05014.15
5.3.50.0100.04714.16
5.3.40.0100.07013.91
5.3.30.0070.07013.97
5.3.20.0070.05013.77
5.3.10.0130.06713.71
5.3.00.0170.05713.62
5.2.170.0130.03311.20
5.2.160.0130.05311.21
5.2.150.0030.05311.09
5.2.140.0070.04711.35
5.2.130.0130.04011.16
5.2.120.0130.03311.08
5.2.110.0030.04011.00
5.2.100.0070.04011.27
5.2.90.0030.04311.16
5.2.80.0030.04011.09
5.2.70.0170.05311.30
5.2.60.0100.03710.88
5.2.50.0030.04711.09
5.2.40.0100.03710.99
5.2.30.0070.04010.96
5.2.20.0000.04311.04
5.2.10.0070.05311.02
5.2.00.0030.05310.71
5.1.60.0030.0379.95
5.1.50.0170.02310.05
5.1.40.0070.0439.94
5.1.30.0070.03710.29
5.1.20.0130.02710.43
5.1.10.0100.04310.12
5.1.00.0100.0439.89
5.0.50.0070.0408.51
5.0.40.0030.0278.35
5.0.30.0070.0578.05
5.0.20.0170.0238.17
5.0.10.0030.0378.11
5.0.00.0100.0508.21
4.4.90.0100.0175.84
4.4.80.0030.0235.75
4.4.70.0100.0235.83
4.4.60.0030.0305.80
4.4.50.0070.0205.78
4.4.40.0000.0475.82
4.4.30.0070.0275.80
4.4.20.0070.0235.87
4.4.10.0030.0205.96
4.4.00.0000.0475.81
4.3.110.0030.0205.79
4.3.100.0070.0275.73
4.3.90.0030.0205.75
4.3.80.0000.0335.72
4.3.70.0030.0305.81
4.3.60.0030.0335.75
4.3.50.0030.0205.80
4.3.40.0030.0305.73
4.3.30.0030.0204.97
4.3.20.0100.0234.97
4.3.10.0000.0304.97
4.3.00.0030.0276.09

preferences:
37.37 ms | 400 KiB | 5 Q