3v4l.org

run code in 300+ PHP versions simultaneously
<?php $A = array(); $B = &$A[0]; $F = &$A[1]; $C = $A; $D = $A; $C = $D; $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)
8.3.60.0070.01418.35
8.3.50.0120.00522.03
8.3.40.0040.01118.79
8.3.30.0090.00919.04
8.3.20.0040.00420.20
8.3.10.0000.00823.50
8.3.00.0070.00720.95
8.2.180.0090.00616.75
8.2.170.0110.00422.96
8.2.160.0070.01020.44
8.2.150.0140.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00020.86
8.2.110.0000.00822.26
8.2.100.0060.00620.23
8.2.90.0080.00019.20
8.2.80.0000.00817.97
8.2.70.0030.00617.73
8.2.60.0030.00618.03
8.2.50.0000.00818.07
8.2.40.0080.00019.86
8.2.30.0050.00218.36
8.2.20.0080.00017.78
8.2.10.0040.00417.91
8.2.00.0030.00517.66
8.1.280.0140.00325.92
8.1.270.0060.00322.14
8.1.260.0080.00026.35
8.1.250.0030.00628.09
8.1.240.0030.00622.20
8.1.230.0110.00019.08
8.1.220.0030.00517.78
8.1.210.0000.00818.77
8.1.200.0100.00017.48
8.1.190.0040.00417.35
8.1.180.0030.00518.10
8.1.170.0040.00418.59
8.1.160.0040.00422.02
8.1.150.0040.00418.55
8.1.140.0000.00717.46
8.1.130.0040.00317.75
8.1.120.0040.00417.47
8.1.110.0030.00517.39
8.1.100.0100.00017.46
8.1.90.0000.00717.38
8.1.80.0040.00417.41
8.1.70.0020.00517.42
8.1.60.0040.00417.61
8.1.50.0000.00717.50
8.1.40.0040.00417.44
8.1.30.0000.00817.63
8.1.20.0050.00217.65
8.1.10.0060.00317.61
8.1.00.0040.00417.39
8.0.300.0020.00518.77
8.0.290.0060.00316.75
8.0.280.0070.00018.45
8.0.270.0040.00417.20
8.0.260.0060.00017.30
8.0.250.0000.00716.95
8.0.240.0000.00916.95
8.0.230.0060.00017.00
8.0.220.0030.00316.88
8.0.210.0000.00716.89
8.0.200.0090.00017.00
8.0.190.0050.00317.00
8.0.180.0000.00716.82
8.0.170.0050.00316.92
8.0.160.0030.00316.94
8.0.150.0080.00016.93
8.0.140.0040.00416.74
8.0.130.0050.00013.29
8.0.120.0000.00716.84
8.0.110.0040.00416.92
8.0.100.0040.00416.82
8.0.90.0000.00816.85
8.0.80.0150.00616.86
8.0.70.0040.00416.93
8.0.60.0000.00716.71
8.0.50.0000.00716.88
8.0.30.0120.00617.05
8.0.20.0090.00917.40
8.0.10.0070.00016.95
8.0.00.0130.00516.57
7.4.330.0040.00015.00
7.4.320.0000.00616.57
7.4.300.0030.00316.55
7.4.290.0000.00816.64
7.4.280.0040.00416.57
7.4.270.0000.00816.50
7.4.260.0070.00316.51
7.4.250.0070.00016.39
7.4.240.0030.00316.56
7.4.230.0060.00316.55
7.4.220.0090.00916.47
7.4.210.0060.00916.52
7.4.200.0000.00716.54
7.4.160.0100.00716.51
7.4.150.0140.00317.40
7.4.140.0090.00917.86
7.4.130.0080.00816.50
7.4.120.0080.01016.45
7.4.110.0100.00716.52
7.4.100.0030.01516.22
7.4.90.0100.00616.50
7.4.80.0130.00319.39
7.4.70.0080.01116.41
7.4.60.0130.00316.59
7.4.50.0040.00416.19
7.4.40.0030.01716.57
7.4.30.0110.00616.43
7.4.00.0040.01114.68
7.3.330.0060.00013.11
7.3.320.0030.00313.05
7.3.310.0080.00016.18
7.3.300.0000.00616.29
7.3.290.0130.00716.32
7.3.280.0070.01316.23
7.3.270.0090.00917.40
7.3.260.0130.00316.34
7.3.250.0080.00916.41
7.3.240.0100.00716.29
7.3.230.0080.01616.39
7.3.210.0130.00316.56
7.3.200.0120.00919.39
7.3.190.0080.00816.27
7.3.180.0040.01116.25
7.3.170.0180.00416.64
7.3.160.0060.01016.40
7.3.120.0100.00714.97
7.2.330.0120.00616.57
7.2.320.0060.01516.87
7.2.310.0060.01316.65
7.2.300.0080.00816.65
7.2.290.0150.00616.71
7.2.00.0030.00919.44
7.1.100.0090.00618.10
7.1.70.0040.00417.16
7.1.60.0100.01619.70
7.1.50.0100.01417.11
7.1.00.0070.07322.57
7.0.200.0230.00316.51
7.0.140.0100.06722.18
7.0.60.0100.03719.85
7.0.50.0100.04717.90
7.0.40.0100.04720.21
7.0.30.0170.05020.00
7.0.20.0230.07320.04
7.0.10.0170.04720.09
7.0.00.0030.08720.29
5.6.280.0030.07020.89
5.6.210.0130.07320.55
5.6.200.0100.04718.08
5.6.190.0000.04720.61
5.6.180.0400.08020.64
5.6.170.0170.04320.36
5.6.160.0100.05320.44
5.6.150.0100.08018.08
5.6.140.0070.05018.16
5.6.130.0030.08318.07
5.6.120.0030.04721.03
5.6.110.0100.07320.98
5.6.100.0100.05021.01
5.6.90.0030.04020.96
5.6.80.0070.08320.40
5.6.70.4370.03720.36
5.5.350.0000.08320.39
5.5.340.0030.04717.91
5.5.330.0070.04020.15
5.5.320.0330.06020.24
5.5.310.0230.08720.51
5.5.300.0200.07317.90
5.5.290.0100.03718.02
5.5.280.0030.06720.79
5.5.270.0030.08720.87
5.5.260.0070.04320.67
5.5.250.0130.07320.69
5.5.240.0130.05720.14
5.4.450.0400.05328.29
5.4.440.0430.04328.29
5.4.430.0370.04728.28
5.4.420.0600.03328.28
5.4.410.0230.04028.28
5.4.400.0370.04028.28
5.4.390.0300.04328.25
5.4.380.0200.04718.58
5.4.370.0130.05318.71
5.4.360.0230.04318.45
5.4.350.0070.06018.69
5.4.340.0270.06318.56
5.4.320.0040.03812.45
5.4.310.0080.03712.45
5.4.300.0130.04512.45
5.4.290.0110.05012.45
5.4.280.0080.05712.34
5.4.270.0170.04712.34
5.4.260.0100.05912.35
5.4.250.0110.05612.35
5.4.240.0100.06712.34
5.4.230.0160.04912.34
5.4.220.0150.04812.34
5.4.210.0220.04512.34
5.4.200.0130.06412.34
5.4.190.0070.05512.33
5.4.180.0120.04212.33
5.4.170.0120.04512.35
5.4.160.0070.04612.34
5.4.150.0080.04712.34
5.4.140.0080.05512.02
5.4.130.0180.04712.01
5.4.120.0060.04711.97
5.4.110.0110.05211.96
5.4.100.0060.04811.96
5.4.90.0090.04711.96
5.4.80.0240.03911.96
5.4.70.0080.06311.96
5.4.60.0330.06911.96
5.4.50.0150.04711.96
5.4.40.0080.05111.95
5.4.30.0160.06011.95
5.4.20.0070.05811.95
5.4.10.0090.05511.95
5.4.00.0160.07511.43
5.3.290.0060.04012.80
5.3.280.0150.11412.71
5.3.270.0310.09312.72
5.3.260.0140.05712.72
5.3.250.0100.05912.72
5.3.240.0100.06112.72
5.3.230.0090.05712.70
5.3.220.0110.05512.68
5.3.210.0090.07012.68
5.3.200.0350.13212.68
5.3.190.0080.05812.67
5.3.180.0110.05812.67
5.3.170.0150.06412.67
5.3.160.0120.05612.68
5.3.150.0220.10712.67
5.3.140.0240.12412.66
5.3.130.0220.11212.66
5.3.120.0270.09112.66
5.3.110.0230.08912.66
5.3.100.0090.07412.12
5.3.90.0180.06512.09
5.3.80.0210.09712.07
5.3.70.0130.11212.07
5.3.60.0080.12612.07
5.3.50.0170.09112.00
5.3.40.0250.08212.00
5.3.30.0110.05611.94
5.3.20.0090.04911.72
5.3.10.0100.06511.69
5.3.00.0120.05611.68
5.2.170.0080.0509.18
5.2.160.0080.0529.18
5.2.150.0190.0979.18
5.2.140.0140.0659.17
5.2.130.0130.0589.13
5.2.120.0120.0609.14
5.2.110.0160.0529.14
5.2.100.0140.0489.14
5.2.90.0140.0449.14
5.2.80.0110.0529.14
5.2.70.0090.0829.13
5.2.60.0070.0559.09
5.2.50.0040.0469.06
5.2.40.0080.0399.03
5.2.30.0040.0469.01
5.2.20.0120.0479.00
5.2.10.0060.0438.93
5.2.00.0080.0428.79
5.1.60.0080.0358.08
5.1.50.0080.0358.07
5.1.40.0060.0378.05
5.1.30.0050.0398.41
5.1.20.0120.0428.43
5.1.10.0070.0428.15
5.1.00.0150.0628.15
5.0.50.0070.0626.63
5.0.40.0110.0426.49
5.0.30.0050.0426.30
5.0.20.0030.0296.27
5.0.10.0110.0566.25
5.0.00.0070.0886.24
4.4.90.0070.0414.78
4.4.80.0090.0204.75
4.4.70.0060.0264.76
4.4.60.0050.0214.76
4.4.50.0100.0374.77
4.4.40.0110.0704.71
4.4.30.0060.0454.76
4.4.20.0040.0254.84
4.4.10.0090.0184.85
4.4.00.0050.0354.76
4.3.110.0040.0234.67
4.3.100.0050.0224.66
4.3.90.0030.0224.63
4.3.80.0040.0324.58
4.3.70.0050.0234.63
4.3.60.0030.0254.63
4.3.50.0060.0224.63
4.3.40.0040.0384.54
4.3.30.0020.0243.29
4.3.20.0020.0273.27
4.3.10.0040.0223.23
4.3.00.0030.01727.85

preferences:
44.75 ms | 401 KiB | 5 Q