3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1=array("sss"=>"abc","sss1"=>"abc1"); $arr2=array("sss"=>"psqr","sss1"=>""); print_r(array_merge($arr2,$arr1));

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)
8.3.60.0110.00316.50
8.3.50.0090.01021.88
8.3.40.0110.00318.54
8.3.30.0040.01118.84
8.3.20.0070.00020.22
8.3.10.0090.00023.65
8.3.00.0000.00820.89
8.2.180.0090.00916.38
8.2.170.0000.01422.96
8.2.160.0040.01120.52
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0120.00619.77
8.2.110.0060.00322.29
8.2.100.0110.00018.89
8.2.90.0080.00017.50
8.2.80.0030.00617.97
8.2.70.0040.00417.80
8.2.60.0000.00817.90
8.2.50.0040.00418.10
8.2.40.0030.00522.36
8.2.30.0000.00718.29
8.2.20.0050.00217.52
8.2.10.0050.00217.86
8.2.00.0070.00017.70
8.1.280.0070.00725.92
8.1.270.0040.00423.96
8.1.260.0000.00826.35
8.1.250.0060.00328.09
8.1.240.0060.00323.93
8.1.230.0110.00019.14
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0030.00617.23
8.1.190.0050.00316.88
8.1.180.0030.00618.10
8.1.170.0060.00318.65
8.1.160.0040.00421.98
8.1.150.0040.00418.65
8.1.140.0000.00717.38
8.1.130.0030.00517.85
8.1.120.0000.00817.44
8.1.110.0030.00617.37
8.1.100.0000.00717.27
8.1.90.0040.00417.40
8.1.80.0030.00317.29
8.1.70.0070.00017.39
8.1.60.0040.00417.47
8.1.50.0040.00417.34
8.1.40.0050.00217.36
8.1.30.0040.00417.51
8.1.20.0080.00017.54
8.1.10.0020.00517.39
8.1.00.0030.00617.34
8.0.300.0040.00419.79
8.0.290.0070.00016.63
8.0.280.0070.00018.46
8.0.270.0030.00317.06
8.0.260.0040.00417.13
8.0.250.0000.00616.86
8.0.240.0030.00616.82
8.0.230.0000.00616.72
8.0.220.0030.00316.84
8.0.210.0000.00716.76
8.0.200.0030.00316.87
8.0.190.0050.00316.86
8.0.180.0070.00016.89
8.0.170.0000.00716.89
8.0.160.0000.00716.69
8.0.150.0030.00516.82
8.0.140.0030.00416.70
8.0.130.0030.00313.18
8.0.120.0000.00816.70
8.0.110.0050.00316.78
8.0.100.0070.00416.68
8.0.90.0080.00016.69
8.0.80.0060.00916.81
8.0.70.0040.00416.86
8.0.60.0040.00416.68
8.0.50.0000.00716.64
8.0.30.0100.00816.89
8.0.20.0090.00917.40
8.0.10.0050.00216.97
8.0.00.0090.00916.62
7.4.330.0050.00015.00
7.4.320.0000.00616.43
7.4.300.0000.00616.35
7.4.290.0030.00316.38
7.4.280.0000.00716.32
7.4.270.0000.00716.45
7.4.260.0050.00316.40
7.4.250.0070.00016.53
7.4.240.0020.00516.45
7.4.230.0000.00816.43
7.4.220.0130.01316.49
7.4.210.0090.00416.53
7.4.200.0000.00716.62
7.4.190.0000.00716.61
7.4.160.0120.00316.21
7.4.150.0090.00917.40
7.4.140.0070.01217.86
7.4.130.0100.00816.39
7.4.120.0090.00716.48
7.4.110.0110.00916.62
7.4.100.0070.01416.24
7.4.90.0060.01016.27
7.4.80.0140.00619.39
7.4.70.0000.01516.52
7.4.60.0070.01016.33
7.4.50.0030.00516.40
7.4.40.0110.00616.27
7.4.30.0120.00416.47
7.4.00.0070.01014.76
7.3.330.0050.00013.00
7.3.320.0050.00013.11
7.3.310.0020.00516.06
7.3.300.0000.00716.00
7.3.290.0070.00716.08
7.3.280.0130.00716.10
7.3.270.0100.00717.40
7.3.260.0150.00416.14
7.3.250.0090.00916.20
7.3.240.0120.00616.13
7.3.230.0030.01316.41
7.3.210.0100.00716.14
7.3.200.0120.00919.39
7.3.190.0070.01016.21
7.3.180.0060.01216.11
7.3.170.0100.00716.42
7.3.160.0160.00016.25
7.3.120.0030.01214.68
7.3.110.0140.00414.49
7.3.100.0030.01414.73
7.3.90.0070.01014.64
7.3.80.0050.00514.64
7.3.70.0090.00614.41
7.3.60.0000.01514.87
7.3.50.0120.00414.57
7.3.40.0030.01014.59
7.3.30.0060.00614.58
7.3.20.0100.00716.66
7.3.10.0100.00516.65
7.3.00.0070.00816.61
7.2.330.0060.01216.44
7.2.320.0070.01516.35
7.2.310.0160.00616.47
7.2.300.0140.00316.26
7.2.290.0060.01316.11
7.2.250.0030.01714.91
7.2.240.0030.01614.80
7.2.230.0070.01114.71
7.2.220.0040.00715.04
7.2.210.0030.01014.64
7.2.200.0000.00814.53
7.2.190.0030.00614.57
7.2.180.0070.01014.80
7.2.170.0030.00614.84
7.2.130.0120.00016.45
7.2.120.0030.01016.77
7.2.110.0030.00616.74
7.2.100.0090.00016.57
7.2.90.0040.01216.74
7.2.80.0070.00316.76
7.2.70.0060.00316.71
7.2.60.0050.01216.65
7.2.50.0100.00016.60
7.2.40.0000.01316.64
7.2.30.0140.00016.63
7.2.20.0110.00416.76
7.2.10.0030.00916.90
7.2.00.0160.01117.65
7.1.330.0000.01415.68
7.1.320.0040.00815.47
7.1.310.0090.00615.56
7.1.300.0060.00615.91
7.1.290.0100.00715.74
7.1.280.0070.00715.72
7.1.270.0070.01015.52
7.1.260.0030.00915.54
7.1.250.0080.00415.78
7.1.200.0040.01115.89
7.1.100.0120.00017.81
7.1.70.0000.00717.17
7.1.60.0060.01619.46
7.1.50.0240.01416.93
7.1.00.0070.07322.33
7.0.200.0000.00716.69
7.0.140.0000.07321.92
7.0.60.0030.07319.93
7.0.50.0130.08017.78
7.0.40.0130.07320.07
7.0.30.0370.07320.18
7.0.20.0130.04320.13
7.0.10.0000.09320.18
7.0.00.0170.06320.13
5.6.280.0070.07020.81
5.6.210.0100.08020.69
5.6.200.0130.07318.11
5.6.190.0030.04720.66
5.6.180.0300.07020.48
5.6.170.0330.07020.48
5.6.160.0070.06320.49
5.6.150.0030.06718.16
5.6.140.0070.08318.09
5.6.130.0330.06018.14
5.6.120.0070.07720.87
5.6.110.0070.04020.88
5.6.100.0230.06721.12
5.6.90.0070.08320.87
5.6.80.0000.08720.37
5.5.350.0270.07020.43
5.5.340.0070.08017.97
5.5.330.0100.03320.46
5.5.320.0330.08020.34
5.5.310.0200.04320.27
5.5.300.0100.05718.05
5.5.290.0100.08318.00
5.5.280.0130.08320.78
5.5.270.0070.07720.84
5.5.260.0070.08020.82
5.5.250.0070.04320.60
5.5.240.0300.06720.27
5.4.450.0500.04319.43
5.4.440.1300.04319.12
5.4.430.1300.03319.40
5.4.420.0630.04319.40
5.4.410.0970.04019.33
5.4.400.0400.04019.08
5.4.390.1130.05319.10
5.4.380.0530.05718.73
5.4.370.0200.06318.46
5.4.360.0570.05018.46
5.4.350.0200.06718.62
5.4.340.0300.04718.62
5.4.320.0060.03712.45
5.4.310.0080.04412.45
5.4.300.0040.03712.45
5.4.290.0150.03812.45
5.4.280.0090.04712.34
5.4.270.0070.03912.34
5.4.260.0080.04112.35
5.4.250.0040.04012.35
5.4.240.0030.04112.34
5.4.230.0060.04012.34
5.4.220.0060.03912.34
5.4.210.0090.06512.34
5.4.200.0110.05412.34
5.4.190.0080.04112.33
5.4.180.0100.04812.33
5.4.170.0120.04612.34
5.4.160.0130.04712.34
5.4.150.0090.04712.34
5.4.140.0070.03712.02
5.4.130.0050.03912.01
5.4.120.0060.03611.97
5.4.110.0060.04411.96
5.4.100.0100.04511.96
5.4.90.0080.04611.96
5.4.80.0130.06111.96
5.4.70.0080.03711.96
5.4.60.0080.03611.96
5.4.50.0040.04311.96
5.4.40.0030.03911.95
5.4.30.0070.03611.95
5.4.20.0030.04811.94
5.4.10.0080.06611.95
5.4.00.0050.04911.44
5.3.290.0020.04112.80
5.3.280.0110.04812.71
5.3.270.0110.03812.73
5.3.260.0090.04212.72
5.3.250.0120.04112.72
5.3.240.0120.03512.71
5.3.230.0160.05212.71
5.3.220.0060.05012.68
5.3.210.0080.04012.68
5.3.200.0070.03812.68
5.3.190.0080.03812.68
5.3.180.0050.04012.67
5.3.170.0070.04212.67
5.3.160.0050.04912.67
5.3.150.0070.04912.67
5.3.140.0050.03812.66
5.3.130.0100.03912.66
5.3.120.0050.04412.66
5.3.110.0080.04612.65
5.3.100.0120.04412.12
5.3.90.0040.03912.08
5.3.80.0100.04812.08
5.3.70.0120.04712.08
5.3.60.0100.04712.07
5.3.50.0090.04312.00
5.3.40.0070.04212.00
5.3.30.0070.03911.94
5.3.20.0080.05011.72
5.3.10.0080.04411.69
5.3.00.0060.05111.68
5.2.170.0060.0509.18
5.2.160.0050.0329.18
5.2.150.0040.0329.17
5.2.140.0040.0319.18
5.2.130.0060.0429.14
5.2.120.0060.0419.14
5.2.110.0040.0319.14
5.2.100.0040.0309.14
5.2.90.0040.0389.14
5.2.80.0080.0299.14
5.2.70.0070.0299.13
5.2.60.0050.0309.09
5.2.50.0020.0339.05
5.2.40.0060.0289.04
5.2.30.0040.0309.01
5.2.20.0050.0289.00
5.2.10.0040.0318.92
5.2.00.0040.0348.78
5.1.60.0080.0328.06
5.1.50.0030.0288.06
5.1.40.0050.0258.04
5.1.30.0050.0268.39
5.1.20.0050.0278.41
5.1.10.0040.0278.13
5.1.00.0070.0248.14
5.0.50.0020.0236.61
5.0.40.0060.0206.48
5.0.30.0060.0316.29
5.0.20.0050.0226.26
5.0.10.0050.0286.23
5.0.00.0060.0396.23
4.4.90.0060.0254.77
4.4.80.0120.0224.76
4.4.70.0030.0174.76
4.4.60.0030.0164.75
4.4.50.0060.0204.77
4.4.40.0050.0324.71
4.4.30.0060.0234.76
4.4.20.0040.0254.84
4.4.10.0060.0314.85
4.4.00.0050.0324.76
4.3.110.0030.0234.67
4.3.100.0080.0244.66
4.3.90.0070.0214.63
4.3.80.0030.0274.59
4.3.70.0030.0164.63
4.3.60.0050.0134.63
4.3.50.0040.0174.63
4.3.40.0060.0234.53
4.3.30.0030.0163.28
4.3.20.0020.0163.26
4.3.10.0030.0183.22
4.3.00.0170.02016.15

preferences:
41.52 ms | 401 KiB | 5 Q