3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tab1 = array(); $tab1[] = 1; $tab2 = array(); $tab2[] = 2; $tab1 += $tab2; print_r($tab1);

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)
8.3.60.0070.01416.63
8.3.50.0080.01122.89
8.3.40.0090.00618.71
8.3.30.0060.00918.96
8.3.20.0000.00820.30
8.3.10.0080.00023.66
8.3.00.0030.00519.26
8.2.180.0070.01116.50
8.2.170.0070.00722.96
8.2.160.0110.00420.35
8.2.150.0090.00624.18
8.2.140.0140.00024.66
8.2.130.0080.00026.16
8.2.120.0000.00719.95
8.2.110.0030.00719.37
8.2.100.0070.00417.58
8.2.90.0080.00019.26
8.2.80.0080.00017.97
8.2.70.0000.00917.48
8.2.60.0050.00318.03
8.2.50.0040.00718.07
8.2.40.0030.00518.22
8.2.30.0040.00417.95
8.2.20.0040.00417.56
8.2.10.0000.00718.03
8.2.00.0030.00517.48
8.1.280.0100.00725.92
8.1.270.0030.00521.91
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0070.00320.98
8.1.230.0120.00017.52
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0100.00017.23
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0030.00518.25
8.1.160.0030.00321.93
8.1.150.0000.00818.82
8.1.140.0000.00717.49
8.1.130.0000.00617.80
8.1.120.0030.00317.30
8.1.110.0040.00417.46
8.1.100.0000.00817.29
8.1.90.0030.00417.39
8.1.80.0000.00717.32
8.1.70.0030.00317.34
8.1.60.0040.00417.43
8.1.50.0060.00317.44
8.1.40.0040.00417.46
8.1.30.0040.00417.43
8.1.20.0040.00417.50
8.1.10.0080.00017.44
8.1.00.0040.00417.37
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00718.28
8.0.270.0000.00717.18
8.0.260.0030.00317.18
8.0.250.0030.00316.86
8.0.240.0000.00816.92
8.0.230.0070.00016.81
8.0.220.0070.00016.91
8.0.210.0030.00316.92
8.0.200.0000.00716.92
8.0.190.0030.00316.82
8.0.180.0000.00816.88
8.0.170.0000.00816.88
8.0.160.0000.00716.91
8.0.150.0030.00316.83
8.0.140.0040.00416.77
8.0.130.0000.00513.32
8.0.120.0050.00316.88
8.0.110.0030.00516.79
8.0.100.0030.00516.91
8.0.90.0030.00316.76
8.0.80.0100.00716.88
8.0.70.0000.00816.86
8.0.60.0040.00316.90
8.0.50.0070.00016.66
8.0.30.0090.01017.14
8.0.20.0060.01317.40
8.0.10.0050.00317.01
8.0.00.0090.00916.79
7.4.330.0030.00315.14
7.4.320.0030.00316.41
7.4.300.0060.00016.41
7.4.290.0040.00416.47
7.4.280.0080.00016.42
7.4.270.0000.00916.33
7.4.260.0040.00416.41
7.4.250.0040.00416.48
7.4.240.0050.00216.54
7.4.230.0030.00316.47
7.4.220.0030.01416.63
7.4.210.0090.01116.54
7.4.200.0040.00416.39
7.4.160.0060.00916.48
7.4.150.0060.01217.40
7.4.140.0070.01217.86
7.4.130.0070.01016.50
7.4.120.0090.00716.45
7.4.110.0060.01316.45
7.4.100.0030.01416.39
7.4.90.0030.01416.58
7.4.80.0080.00819.39
7.4.70.0030.01316.48
7.4.60.0040.01316.41
7.4.50.0030.00316.32
7.4.40.0100.00716.46
7.4.30.0130.00316.40
7.4.00.0050.01214.91
7.3.330.0000.00613.13
7.3.320.0030.00313.05
7.3.310.0000.00716.26
7.3.300.0050.00216.26
7.3.290.0080.00816.22
7.3.280.0070.00916.30
7.3.270.0110.00717.40
7.3.260.0170.00316.21
7.3.250.0120.00516.43
7.3.240.0060.01116.26
7.3.230.0030.01416.39
7.3.210.0030.01316.32
7.3.200.0100.00619.39
7.3.190.0060.01216.37
7.3.180.0130.00616.26
7.3.170.0120.00316.66
7.3.160.0120.00316.24
7.3.120.0090.00914.51
7.3.110.0130.00014.73
7.3.100.0030.01014.80
7.3.90.0030.01114.91
7.3.80.0000.01314.43
7.3.70.0040.00714.61
7.3.60.0040.00414.66
7.3.50.0070.00614.64
7.3.40.0030.00914.88
7.3.30.0030.01014.65
7.3.20.0060.00316.46
7.3.10.0070.00716.73
7.3.00.0070.00716.70
7.2.330.0140.00316.63
7.2.320.0070.01016.38
7.2.310.0030.01716.42
7.2.300.0110.00716.49
7.2.290.0080.01416.52
7.2.250.0040.01515.13
7.2.240.0100.01015.07
7.2.230.0080.00615.13
7.2.220.0120.00314.95
7.2.210.0000.00914.89
7.2.200.0030.01015.03
7.2.190.0040.01114.90
7.2.180.0080.00415.05
7.2.170.0070.01014.65
7.2.110.0080.00516.41
7.2.00.0000.01319.41
7.1.330.0090.00615.61
7.1.320.0030.00615.91
7.1.310.0090.00615.88
7.1.300.0000.01515.80
7.1.290.0060.00915.78
7.1.280.0060.00816.04
7.1.270.0040.01115.75
7.1.260.0000.01615.69
7.1.100.0060.00618.24
7.1.70.0030.00717.10
7.1.60.0140.01019.46
7.1.50.0110.00417.01
7.1.00.0030.07722.44
7.0.200.0040.00416.70
7.0.140.0030.07322.07
7.0.60.0070.07020.02
7.0.50.0030.05017.91
7.0.40.0130.06020.28
7.0.30.0570.06720.06
7.0.20.0170.04320.33
7.0.10.0200.06720.08
7.0.00.0130.08020.07
5.6.280.0070.06721.13
5.6.210.0070.05720.71
5.6.200.0030.07318.17
5.6.190.0100.08020.47
5.6.180.0200.05720.60
5.6.170.0130.05320.47
5.6.160.0130.07320.50
5.6.150.0070.03718.28
5.6.140.0030.04318.27
5.6.130.0030.08318.23
5.6.120.0100.03720.98
5.6.110.0030.05720.98
5.6.100.0000.04321.10
5.6.90.0100.06721.12
5.6.80.0070.05020.43
5.6.70.4030.04020.49
5.5.350.0200.06720.41
5.5.340.0100.08018.03
5.5.330.0200.07720.56
5.5.320.0330.07020.30
5.5.310.0270.06320.50
5.5.300.0100.07317.98
5.5.290.0030.04017.99
5.5.280.0030.08320.89
5.5.270.0030.04020.91
5.5.260.0130.06320.85
5.5.250.0070.08020.70
5.5.240.0070.07320.31
5.4.450.0300.04019.16
5.4.440.0530.04319.56
5.4.430.0200.05019.30
5.4.420.0300.04019.38
5.4.410.0230.03719.33
5.4.400.0130.04318.88
5.4.390.0130.04319.22
5.4.380.0400.04718.50
5.4.370.0200.06018.70
5.4.360.0230.07018.83
5.4.350.0270.05318.70
5.4.340.0200.06018.77
5.4.320.0060.03612.48
5.4.310.0020.04112.47
5.4.300.0040.03712.48
5.4.290.0040.03912.48
5.4.280.0060.03412.37
5.4.270.0070.03512.37
5.4.260.0050.03712.38
5.4.250.0080.03712.37
5.4.240.0090.03212.37
5.4.230.0060.03612.36
5.4.220.0050.03612.36
5.4.210.0050.03512.37
5.4.200.0070.03612.37
5.4.190.0070.03512.36
5.4.180.0070.04112.36
5.4.170.0050.04012.38
5.4.160.0030.04312.37
5.4.150.0060.03512.37
5.4.140.0070.03412.05
5.4.130.0060.04512.04
5.4.120.0080.03412.00
5.4.110.0050.03711.99
5.4.100.0070.03611.99
5.4.90.0080.04311.99
5.4.80.0090.04311.99
5.4.70.0050.03511.99
5.4.60.0040.03611.98
5.4.50.0090.03311.98
5.4.40.0030.03611.98
5.4.30.0050.03511.98
5.4.20.0030.03811.98
5.4.10.0070.03411.97
5.4.00.0060.03511.46
5.3.290.0070.03812.80
5.3.280.0090.03612.71
5.3.270.0090.03612.73
5.3.260.0060.03812.72
5.3.250.0060.04312.72
5.3.240.0050.03712.72
5.3.230.0050.03712.71
5.3.220.0090.03412.68
5.3.210.0050.03912.68
5.3.200.0070.03412.68
5.3.190.0080.03412.68
5.3.180.0050.03812.67
5.3.170.0060.03612.67
5.3.160.0050.03812.67
5.3.150.0050.03912.67
5.3.140.0060.03512.66
5.3.130.0070.03612.65
5.3.120.0050.04212.66
5.3.110.0040.04512.66
5.3.100.0070.03512.11
5.3.90.0040.03812.09
5.3.80.0090.03612.08
5.3.70.0030.03812.07
5.3.60.0100.03612.07
5.3.50.0040.04112.01
5.3.40.0060.03512.01
5.3.30.0050.03511.96
5.3.20.0070.03311.75
5.3.10.0050.03611.72
5.3.00.0050.03811.70
5.2.170.0060.0289.20
5.2.160.0040.0309.21
5.2.150.0040.0319.21
5.2.140.0030.0339.20
5.2.130.0020.0309.16
5.2.120.0050.0269.16
5.2.110.0080.0249.17
5.2.100.0070.0269.16
5.2.90.0030.0319.17
5.2.80.0080.0309.16
5.2.70.0050.0379.16
5.2.60.0030.0319.12
5.2.50.0050.0299.09
5.2.40.0030.0309.06
5.2.30.0020.0329.04
5.2.20.0040.0299.02
5.2.10.0040.0288.93
5.2.00.0050.0288.79
5.1.60.0020.0268.07
5.1.50.0020.0278.07
5.1.40.0070.0228.05
5.1.30.0030.0288.40
5.1.20.0050.0328.43
5.1.10.0040.0298.15
5.1.00.0050.0248.15
5.0.50.0030.0216.63
5.0.40.0060.0206.48
5.0.30.0030.0346.30
5.0.20.0040.0266.27
5.0.10.0050.0226.24
5.0.00.0030.0346.23
4.4.90.0030.0154.78
4.4.80.0030.0154.75
4.4.70.0050.0154.76
4.4.60.0040.0154.75
4.4.50.0030.0154.77
4.4.40.0020.0264.70
4.4.30.0040.0194.75
4.4.20.0040.0194.84
4.4.10.0020.0174.85
4.4.00.0030.0284.76
4.3.110.0030.0194.67
4.3.100.0050.0154.66
4.3.90.0030.0174.64
4.3.80.0010.0334.58
4.3.70.0030.0164.63
4.3.60.0010.0214.63
4.3.50.0040.0164.63
4.3.40.0040.0294.54
4.3.30.0040.0193.29
4.3.20.0030.0243.27
4.3.10.0020.0203.22
4.3.00.0000.02015.71

preferences:
41.21 ms | 401 KiB | 5 Q