3v4l.org

run code in 300+ PHP versions simultaneously
<?php $A = array(); $B = &$A[0]; $F = &$A[1]; $C = $A; $D = $A; //$C[0] = $D[1]; $C[0] = 10; $D[1] = 20; echo $A[0] . ' ' . $A[1];

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)
8.3.60.0040.01418.54
8.3.50.0090.00922.04
8.3.40.0140.00018.83
8.3.30.0110.00819.22
8.3.20.0070.00020.34
8.3.10.0060.00323.66
8.3.00.0000.00719.15
8.2.180.0110.01116.38
8.2.170.0040.01122.96
8.2.160.0100.00320.52
8.2.150.0120.00624.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00420.93
8.2.110.0090.00021.04
8.2.100.0090.00317.84
8.2.90.0080.00018.03
8.2.80.0090.00017.97
8.2.70.0040.00417.63
8.2.60.0000.00817.79
8.2.50.0040.00418.07
8.2.40.0040.00420.07
8.2.30.0000.00818.29
8.2.20.0050.00217.68
8.2.10.0040.00418.17
8.2.00.0000.00917.66
8.1.280.0100.00725.92
8.1.270.0030.00523.82
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0040.00822.15
8.1.230.0030.00820.89
8.1.220.0080.00017.78
8.1.210.0040.00418.87
8.1.200.0060.00617.48
8.1.190.0000.00817.22
8.1.180.0040.00418.10
8.1.170.0080.00018.50
8.1.160.0080.00022.02
8.1.150.0000.00718.64
8.1.140.0000.00717.44
8.1.130.0070.00017.93
8.1.120.0000.00817.36
8.1.110.0050.00317.43
8.1.100.0070.00017.32
8.1.90.0030.00617.35
8.1.80.0040.00417.46
8.1.70.0080.00017.39
8.1.60.0000.00817.45
8.1.50.0060.00317.49
8.1.40.0040.00417.46
8.1.30.0040.00417.50
8.1.20.0000.00817.66
8.1.10.0070.00017.50
8.1.00.0040.00417.42
8.0.300.0040.00419.82
8.0.290.0040.00416.63
8.0.280.0000.00718.31
8.0.270.0040.00417.30
8.0.260.0060.00017.25
8.0.250.0000.00716.86
8.0.240.0000.00616.82
8.0.230.0030.00316.91
8.0.220.0030.00316.82
8.0.210.0030.00316.82
8.0.200.0060.00016.84
8.0.190.0040.00416.83
8.0.180.0030.00616.87
8.0.170.0030.00616.98
8.0.160.0030.00316.95
8.0.150.0030.00316.82
8.0.140.0000.00716.73
8.0.130.0060.00013.36
8.0.120.0050.00216.91
8.0.110.0000.00816.95
8.0.100.0050.00316.92
8.0.90.0000.00816.88
8.0.80.0030.01716.95
8.0.70.0000.00716.91
8.0.60.0000.00816.76
8.0.50.0050.00216.79
8.0.30.0160.00217.17
8.0.20.0030.01617.40
8.0.10.0050.00216.87
8.0.00.0080.01116.78
7.4.330.0020.00215.00
7.4.320.0000.00616.55
7.4.300.0060.00016.45
7.4.290.0000.00716.61
7.4.280.0060.00316.49
7.4.270.0050.00316.59
7.4.260.0000.00716.59
7.4.250.0050.00216.57
7.4.240.0040.00416.45
7.4.230.0030.00316.63
7.4.220.0120.00916.36
7.4.210.0130.00316.57
7.4.200.0030.00316.63
7.4.160.0120.00416.51
7.4.150.0030.01317.40
7.4.140.0140.00317.86
7.4.130.0080.00916.43
7.4.120.0140.00516.48
7.4.110.0120.00616.27
7.4.100.0100.00916.59
7.4.90.0170.00016.64
7.4.80.0130.01019.39
7.4.70.0070.01016.60
7.4.60.0060.01016.57
7.4.50.0030.00316.57
7.4.40.0060.00916.48
7.4.30.0100.00616.44
7.4.00.0120.00314.79
7.3.330.0030.00313.14
7.3.320.0060.00013.13
7.3.310.0000.00716.26
7.3.300.0060.00016.26
7.3.290.0070.00716.22
7.3.280.0100.00716.25
7.3.270.0080.00817.40
7.3.260.0100.00716.21
7.3.250.0030.01416.51
7.3.240.0060.00916.38
7.3.230.0110.00616.55
7.3.210.0140.00416.65
7.3.200.0090.01219.39
7.3.190.0000.01516.47
7.3.180.0080.00816.51
7.3.170.0120.00316.53
7.3.160.0100.01016.18
7.3.120.0080.00814.80
7.3.110.0100.00715.05
7.3.100.0080.00414.76
7.3.90.0030.01214.88
7.3.80.0100.00314.88
7.3.70.0050.00514.92
7.3.60.0080.00814.75
7.3.50.0030.00714.61
7.3.40.0030.01114.81
7.3.30.0040.01114.68
7.3.20.0000.01016.73
7.3.10.0090.00616.62
7.3.00.0130.00316.65
7.2.330.0100.01316.70
7.2.320.0150.00416.36
7.2.310.0110.00716.64
7.2.300.0040.01116.50
7.2.290.0120.00616.69
7.2.250.0130.00714.92
7.2.240.0040.01115.11
7.2.230.0030.01014.99
7.2.220.0090.00615.25
7.2.210.0000.01415.16
7.2.200.0070.00714.88
7.2.190.0090.00314.81
7.2.180.0140.00415.04
7.2.170.0030.01315.02
7.1.330.0070.00716.05
7.1.320.0000.01415.56
7.1.310.0060.00315.78
7.1.300.0030.01015.79
7.1.290.0070.00715.61
7.1.280.0030.01015.88
7.1.270.0040.01115.78
7.1.260.0110.00415.61
7.1.70.0030.00516.76
7.1.60.0100.01619.70
7.1.50.0030.01717.14
7.1.00.0100.06722.36
7.0.200.0030.00516.52
7.0.140.0070.07022.00
7.0.60.0030.07020.03
7.0.50.0070.07317.77
7.0.40.0070.04320.09
7.0.30.0200.08020.01
7.0.20.0270.03720.16
7.0.10.0070.06320.04
7.0.00.0070.04020.20
5.6.280.0100.06721.12
5.6.210.0070.08320.61
5.6.200.0030.08718.18
5.6.190.0030.04720.35
5.6.180.0370.05020.77
5.6.170.0400.07020.51
5.6.160.0000.09320.40
5.6.150.0130.04318.12
5.6.140.0100.04718.21
5.6.130.0100.04718.10
5.6.120.0030.04720.87
5.6.110.0070.08321.12
5.6.100.0100.08720.98
5.6.90.0070.06021.12
5.6.80.0030.06720.41
5.5.350.0270.06320.45
5.5.340.0030.05017.92
5.5.330.0030.04320.43
5.5.320.0430.07020.29
5.5.310.0200.05020.34
5.5.300.0000.04717.88
5.5.290.0130.06317.90
5.5.280.0070.04320.84
5.5.270.0000.04720.63
5.5.260.0100.04020.71
5.5.250.0000.04720.77
5.5.240.0130.05020.26
5.4.450.0430.04726.16
5.4.440.0370.05326.13
5.4.430.0500.03726.13
5.4.420.0200.04326.12
5.4.410.0170.04326.12
5.4.400.0370.04026.11
5.4.390.0270.05026.09
5.4.380.0130.05718.79
5.4.370.0100.05718.61
5.4.360.0170.05018.70
5.4.350.0130.05018.62
5.4.340.0070.05718.72
5.4.320.0080.03912.45
5.4.310.0060.03912.45
5.4.300.0110.04512.45
5.4.290.0070.05312.45
5.4.280.0120.05112.35
5.4.270.0110.04512.34
5.4.260.0070.03912.35
5.4.250.0070.04612.34
5.4.240.0100.04212.35
5.4.230.0070.04812.34
5.4.220.0030.04912.34
5.4.210.0040.04312.34
5.4.200.0110.03612.34
5.4.190.0080.03712.33
5.4.180.0080.03912.34
5.4.170.0050.03912.35
5.4.160.0090.04212.34
5.4.150.0110.04612.34
5.4.140.0160.03812.02
5.4.130.0080.04612.01
5.4.120.0110.04711.96
5.4.110.0080.04911.96
5.4.100.0110.04411.96
5.4.90.0090.05011.96
5.4.80.0070.05111.96
5.4.70.0050.04811.96
5.4.60.0060.04811.96
5.4.50.0110.04511.96
5.4.40.0090.04611.95
5.4.30.0090.04511.95
5.4.20.0040.05111.95
5.4.10.0050.05011.95
5.4.00.0100.04611.43
5.3.290.0070.03912.80
5.3.280.0100.04812.71
5.3.270.0100.05012.73
5.3.260.0060.05512.72
5.3.250.0080.05012.72
5.3.240.0080.05212.72
5.3.230.0070.05112.71
5.3.220.0090.04912.68
5.3.210.0080.05212.68
5.3.200.0090.05212.68
5.3.190.0060.05012.68
5.3.180.0090.05112.67
5.3.170.0120.04712.67
5.3.160.0100.04912.68
5.3.150.0120.04612.67
5.3.140.0110.04612.66
5.3.130.0050.05412.66
5.3.120.0090.05112.66
5.3.110.0110.05012.66
5.3.100.0060.04912.12
5.3.90.0070.05012.08
5.3.80.0080.04712.07
5.3.70.0090.04512.07
5.3.60.0090.04712.06
5.3.50.0070.04712.00
5.3.40.0040.05112.00
5.3.30.0070.04811.95
5.3.20.0070.04911.72
5.3.10.0080.05111.69
5.3.00.0070.05211.67
5.2.170.0060.0479.18
5.2.160.0090.0429.18
5.2.150.0070.0479.18
5.2.140.0090.0429.18
5.2.130.0100.0399.14
5.2.120.0040.0449.13
5.2.110.0100.0379.14
5.2.100.0110.0379.14
5.2.90.0060.0429.14
5.2.80.0050.0439.14
5.2.70.0060.0419.14
5.2.60.0120.0369.09
5.2.50.0070.0419.06
5.2.40.0040.0409.03
5.2.30.0030.0469.01
5.2.20.0050.0419.00
5.2.10.0040.0418.93
5.2.00.0060.0428.79
5.1.60.0050.0348.07
5.1.50.0080.0318.07
5.1.40.0060.0348.06
5.1.30.0040.0378.41
5.1.20.0070.0358.43
5.1.10.0010.0388.15
5.1.00.0060.0358.15
5.0.50.0030.0296.63
5.0.40.0020.0286.49
5.0.30.0030.0336.30
5.0.20.0020.0236.27
5.0.10.0050.0256.25
5.0.00.0070.0326.24
4.4.90.0020.0184.78
4.4.80.0030.0174.75
4.4.70.0050.0154.75
4.4.60.0050.0244.75
4.4.50.0050.0224.77
4.4.40.0020.0364.71
4.4.30.0040.0194.76
4.4.20.0070.0334.84
4.4.10.0020.0274.84
4.4.00.0050.0324.76
4.3.110.0020.0244.67
4.3.100.0010.0184.66
4.3.90.0020.0224.63
4.3.80.0030.0324.58
4.3.70.0030.0184.63
4.3.60.0010.0164.63
4.3.50.0020.0164.63
4.3.40.0020.0254.53
4.3.30.0020.0163.29
4.3.20.0000.0173.27
4.3.10.0010.0163.23
4.3.00.0030.01726.09

preferences:
47.66 ms | 401 KiB | 5 Q