3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('01'=>1, '02'=>73); $b = array('10'=>11, '11'=>23); var_dump(array_merge($a,$b));

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)
8.3.40.0150.00018.32
8.3.30.0100.01018.84
8.3.20.0040.00420.26
8.3.10.0040.00423.58
8.3.00.0040.00419.13
8.2.170.0000.01422.96
8.2.160.0070.00720.29
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0070.00722.30
8.2.110.0030.00622.25
8.2.100.0040.00817.63
8.2.90.0050.00318.81
8.2.80.0000.00817.97
8.2.70.0000.00817.60
8.2.60.0030.00718.03
8.2.50.0000.00918.07
8.2.40.0050.00319.88
8.2.30.0000.00717.86
8.2.20.0040.00417.56
8.2.10.0000.00718.04
8.2.00.0040.00417.50
8.1.270.0070.00322.23
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0000.00923.84
8.1.230.0080.00417.42
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0000.00917.11
8.1.190.0000.00817.13
8.1.180.0040.00418.10
8.1.170.0040.00418.50
8.1.160.0000.00721.95
8.1.150.0000.00718.69
8.1.140.0050.00217.38
8.1.130.0000.00617.73
8.1.120.0040.00417.38
8.1.110.0030.00517.40
8.1.100.0030.00517.25
8.1.90.0060.00517.37
8.1.80.0040.00417.35
8.1.70.0070.00017.33
8.1.60.0070.00417.49
8.1.50.0040.00417.40
8.1.40.0000.00817.45
8.1.30.0000.00817.51
8.1.20.0060.00317.40
8.1.10.0000.00917.32
8.1.00.0000.00717.25
8.0.300.0060.00318.77
8.0.290.0040.00416.75
8.0.280.0000.00818.35
8.0.270.0000.00716.66
8.0.260.0030.00317.08
8.0.250.0000.00716.77
8.0.240.0000.00716.81
8.0.230.0080.00016.88
8.0.220.0070.00016.80
8.0.210.0000.00716.80
8.0.200.0000.00816.84
8.0.190.0000.01216.87
8.0.180.0030.00316.84
8.0.170.0060.00316.71
8.0.160.0000.00716.74
8.0.150.0000.00716.78
8.0.140.0000.00716.83
8.0.130.0000.00513.27
8.0.120.0000.00816.79
8.0.110.0040.00416.77
8.0.100.0000.00716.70
8.0.90.0030.00516.76
8.0.80.0180.00416.74
8.0.70.0030.00516.70
8.0.60.0040.00416.75
8.0.50.0040.00416.83
8.0.30.0080.01116.96
8.0.20.0090.01017.40
8.0.10.0000.00717.00
8.0.00.0090.01016.65
7.4.330.0000.00415.02
7.4.320.0000.00616.43
7.4.300.0030.00316.42
7.4.290.0070.00016.47
7.4.280.0050.00316.49
7.4.270.0030.00316.50
7.4.260.0030.00316.38
7.4.250.0050.00316.40
7.4.240.0030.00416.54
7.4.230.0030.00316.52
7.4.220.0130.00316.35
7.4.210.0090.00616.36
7.4.200.0070.00016.42
7.4.160.0120.00316.34
7.4.150.0100.00717.40
7.4.140.0130.00517.86
7.4.130.0060.01216.52
7.4.120.0160.00516.27
7.4.110.0080.01616.18
7.4.100.0120.00616.56
7.4.90.0100.00716.43
7.4.80.0070.00919.39
7.4.70.0080.00816.50
7.4.60.0040.01216.30
7.4.50.0040.00416.16
7.4.40.0080.01216.44
7.4.30.0100.01016.36
7.4.00.0030.01414.91
7.3.330.0020.00213.01
7.3.320.0050.00213.07
7.3.310.0020.00516.17
7.3.300.0030.00315.99
7.3.290.0070.00716.14
7.3.280.0070.01116.15
7.3.270.0180.00017.40
7.3.260.0040.01216.24
7.3.250.0090.01216.05
7.3.240.0070.01516.53
7.3.230.0100.00716.39
7.3.210.0100.00716.23
7.3.200.0130.01019.39
7.3.190.0120.00616.12
7.3.180.0040.01216.18
7.3.170.0080.00816.33
7.3.160.0060.01016.11
7.2.330.0100.00716.28
7.2.320.0080.00816.12
7.2.310.0090.01316.47
7.2.300.0180.00016.49
7.2.290.0150.00416.19
7.1.70.0030.00617.07
7.1.60.0130.00919.11
7.1.50.0110.01416.88
7.1.00.0030.07722.30
7.0.200.0000.00816.75
7.0.140.0030.09322.17
7.0.60.0070.03719.86
7.0.50.0070.03717.79
7.0.40.0030.04719.96
7.0.30.0530.05320.30
7.0.20.0200.04320.30
7.0.10.0070.04020.33
7.0.00.0030.04320.00
5.6.280.0030.07321.06
5.6.210.0070.03720.60
5.6.200.0070.04018.18
5.6.190.0100.06720.56
5.6.180.0270.05020.56
5.6.170.1530.05020.41
5.6.160.0100.04020.54
5.6.150.0100.07718.16
5.6.140.0070.08718.11
5.6.130.0130.07318.19
5.6.120.0070.03720.79
5.6.110.0070.08320.97
5.6.100.0000.06021.10
5.6.90.0170.08020.99
5.6.80.0000.04320.39
5.5.350.0070.04320.41
5.5.340.0170.07317.97
5.5.330.0100.04720.16
5.5.320.0370.07320.28
5.5.310.0200.06720.28
5.5.300.0070.08317.91
5.5.290.0070.06717.99
5.5.280.0100.08020.84
5.5.270.0030.04720.82
5.5.260.0070.03720.88
5.5.250.0070.08020.60
5.5.240.0270.07320.36
5.4.450.0100.05719.50
5.4.440.0730.06319.58
5.4.430.0830.05019.60
5.4.420.0670.00019.32
5.4.410.0630.00019.15
5.4.400.0630.00019.16
5.4.390.0600.00018.96
5.4.380.0630.00019.26
5.4.370.0600.00018.96
5.4.360.0600.00018.95
5.4.350.0630.00018.98
5.4.340.0040.03711.97
5.4.320.0080.03512.45
5.4.310.0040.04012.45
5.4.300.0060.03612.45
5.4.290.0050.03912.45
5.4.280.0050.03612.35
5.4.270.0060.03612.35
5.4.260.0070.03712.34
5.4.250.0060.03712.34
5.4.240.0020.04812.35
5.4.230.0060.03612.34
5.4.220.0030.03812.34
5.4.210.0060.03512.34
5.4.200.0080.03512.34
5.4.190.0030.03812.34
5.4.180.0040.03712.33
5.4.170.0040.03712.35
5.4.160.0070.03412.34
5.4.150.0070.03512.34
5.4.140.0050.03712.02
5.4.130.0080.03112.01
5.4.120.0040.03611.96
5.4.110.0090.03211.96
5.4.100.0060.03411.96
5.4.90.0060.03611.96
5.4.80.0050.03711.96
5.4.70.0050.03411.96
5.4.60.0050.03711.96
5.4.50.0080.03211.96
5.4.40.0040.03611.95
5.4.30.0070.03411.95
5.4.20.0030.03711.94
5.4.10.0090.03211.95
5.4.00.0040.04011.43
5.3.290.0080.03712.80
5.3.280.0050.03812.71
5.3.270.0050.04012.72
5.3.260.0040.04012.72
5.3.250.0090.03412.72
5.3.240.0070.03712.72
5.3.230.0040.03912.71
5.3.220.0050.03812.68
5.3.210.0030.04112.68
5.3.200.0090.03212.68
5.3.190.0090.03512.68
5.3.180.0050.03712.67
5.3.170.0050.03712.66
5.3.160.0070.03512.67
5.3.150.0090.03412.67
5.3.140.0070.03612.66
5.3.130.0060.03912.66
5.3.120.0070.03712.66
5.3.110.0060.03912.66
5.3.100.0030.04412.11
5.3.90.0030.03812.09
5.3.80.0030.04012.07
5.3.70.0050.03812.07
5.3.60.0080.03512.06
5.3.50.0070.03912.00
5.3.40.0090.03612.00
5.3.30.0070.03511.94
5.3.20.0080.03611.72
5.3.10.0090.04211.69
5.3.00.0060.04111.68
5.2.170.0060.0319.18
5.2.160.0060.0319.18
5.2.150.0110.0329.18
5.2.140.0060.0309.17
5.2.130.0040.0299.14
5.2.120.0030.0309.13
5.2.110.0080.0329.14
5.2.100.0080.0319.14
5.2.90.0050.0299.14
5.2.80.0040.0319.13
5.2.70.0060.0309.14
5.2.60.0050.0309.09
5.2.50.0050.0309.05
5.2.40.0030.0319.04
5.2.30.0040.0329.01
5.2.20.0050.0299.00
5.2.10.0050.0278.92
5.2.00.0040.0338.78
5.1.60.0070.0218.06
5.1.50.0050.0238.05
5.1.40.0050.0238.04
5.1.30.0040.0268.39
5.1.20.0030.0288.41
5.1.10.0040.0268.14
5.1.00.0040.0258.14
5.0.50.0040.0206.62
5.0.40.0030.0206.47
5.0.30.0000.0356.29
5.0.20.0030.0206.26
5.0.10.0030.0206.23
5.0.00.0020.0386.22
4.4.90.0030.0154.78
4.4.80.0040.0184.75
4.4.70.0030.0164.75
4.4.60.0040.0134.76
4.4.50.0070.0244.77
4.4.40.0040.0274.70
4.4.30.0040.0144.76
4.4.20.0030.0154.84
4.4.10.0030.0154.85
4.4.00.0010.0264.76
4.3.110.0010.0174.67
4.3.100.0040.0134.67
4.3.90.0030.0214.63
4.3.80.0020.0274.58
4.3.70.0020.0154.63
4.3.60.0040.0144.63
4.3.50.0050.0144.63
4.3.40.0020.0254.53
4.3.30.0020.0153.29
4.3.20.0000.0173.26
4.3.10.0020.0163.22
4.3.00.0200.0177.55

preferences:
56.36 ms | 400 KiB | 5 Q