3v4l.org

run code in 300+ PHP versions simultaneously
<?php $A = array(); $A[0] = 5; $b = &$A[0]; //unset($b); $C = $A; $C[0] = 10; echo $A[0];

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)
8.3.60.0110.00418.56
8.3.50.0070.00921.90
8.3.40.0070.00718.74
8.3.30.0160.00018.96
8.3.20.0000.00720.26
8.3.10.0060.00323.51
8.3.00.0040.00418.96
8.2.180.0000.01516.50
8.2.170.0110.00422.96
8.2.160.0070.00720.39
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0000.00820.94
8.2.110.0060.00322.25
8.2.100.0070.00418.03
8.2.90.0040.00419.40
8.2.80.0000.00817.97
8.2.70.0050.00317.72
8.2.60.0070.00017.79
8.2.50.0040.00418.07
8.2.40.0040.00420.07
8.2.30.0040.00418.30
8.2.20.0040.00417.61
8.2.10.0030.00618.03
8.2.00.0070.00017.67
8.1.280.0060.01225.92
8.1.270.0080.00022.14
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0040.00422.24
8.1.230.0070.00418.98
8.1.220.0080.00017.76
8.1.210.0000.00818.77
8.1.200.0080.00317.23
8.1.190.0030.00617.22
8.1.180.0040.00418.10
8.1.170.0050.00318.29
8.1.160.0050.00221.93
8.1.150.0070.00018.61
8.1.140.0000.00717.30
8.1.130.0000.00617.67
8.1.120.0000.00717.42
8.1.110.0000.00817.38
8.1.100.0040.00417.27
8.1.90.0040.00417.22
8.1.80.0040.00417.27
8.1.70.0070.00017.33
8.1.60.0100.00017.51
8.1.50.0080.00017.33
8.1.40.0040.00417.45
8.1.30.0040.00417.53
8.1.20.0000.00817.50
8.1.10.0000.00717.51
8.1.00.0030.00617.43
8.0.300.0000.00718.77
8.0.290.0040.00417.15
8.0.280.0030.00318.42
8.0.270.0070.00017.17
8.0.260.0060.00017.25
8.0.250.0000.00717.01
8.0.240.0030.00316.88
8.0.230.0050.00516.73
8.0.220.0000.00616.79
8.0.210.0070.00016.80
8.0.200.0000.00616.88
8.0.190.0000.00716.85
8.0.180.0040.00416.81
8.0.170.0040.00416.82
8.0.160.0040.00416.89
8.0.150.0000.00716.71
8.0.140.0030.00416.72
8.0.130.0030.00313.24
8.0.120.0050.00316.82
8.0.110.0000.00716.80
8.0.100.0000.00716.80
8.0.90.0030.00516.77
8.0.80.0130.00316.84
8.0.70.0070.00016.64
8.0.60.0070.00016.86
8.0.50.0050.00316.84
8.0.30.0160.00817.01
8.0.20.0090.01317.40
8.0.10.0040.00416.73
8.0.00.0130.00516.92
7.4.330.0050.00015.00
7.4.320.0060.00016.33
7.4.300.0050.00316.44
7.4.290.0040.00416.38
7.4.280.0040.00416.52
7.4.270.0030.00316.34
7.4.260.0050.00516.37
7.4.250.0000.00716.41
7.4.240.0040.00316.49
7.4.230.0000.00716.28
7.4.220.0030.01316.42
7.4.210.0100.01016.40
7.4.200.0070.00016.50
7.4.160.0120.00416.46
7.4.150.0110.00717.40
7.4.140.0100.00717.86
7.4.130.0110.00516.48
7.4.120.0130.00716.53
7.4.110.0160.00316.64
7.4.100.0150.00316.50
7.4.90.0030.01316.60
7.4.80.0070.01019.39
7.4.70.0140.00616.51
7.4.60.0140.00316.52
7.4.50.0030.00316.52
7.4.40.0040.01216.46
7.4.30.0090.00916.33
7.4.00.0030.01014.87
7.3.330.0000.00513.04
7.3.320.0000.00613.12
7.3.310.0050.00216.21
7.3.300.0060.00016.18
7.3.290.0090.00716.22
7.3.280.0110.00616.21
7.3.270.0090.01217.40
7.3.260.0090.00916.30
7.3.250.0120.01016.40
7.3.240.0040.01216.29
7.3.230.0080.01416.39
7.3.210.0070.01016.44
7.3.200.0100.01319.39
7.3.190.0090.00616.59
7.3.180.0000.01616.20
7.3.170.0080.00816.27
7.3.160.0030.01716.23
7.3.120.0070.00714.73
7.3.10.0130.00016.41
7.3.00.0090.00016.65
7.2.330.0030.01416.79
7.2.320.0080.00816.74
7.2.310.0100.00616.73
7.2.300.0110.00616.40
7.2.290.0050.01316.68
7.2.130.0120.00016.74
7.2.120.0070.00316.97
7.2.110.0070.00716.93
7.2.100.0000.01116.95
7.2.90.0030.00816.81
7.2.80.0030.00917.14
7.2.70.0080.00316.86
7.2.60.0060.00317.06
7.2.50.0060.00616.66
7.2.40.0080.00417.03
7.2.30.0060.00616.66
7.2.20.0000.01116.96
7.2.10.0060.00616.91
7.2.00.0050.00818.14
7.1.250.0050.00515.47
7.1.200.0030.01015.68
7.1.100.0040.00718.08
7.1.70.0080.00417.12
7.1.60.0070.01519.70
7.1.50.0040.01416.99
7.1.00.0000.08022.25
7.0.200.0030.00716.77
7.0.140.0030.07322.09
7.0.60.0070.08319.94
7.0.50.0100.08317.89
7.0.40.0170.07720.52
7.0.30.0530.07020.17
7.0.20.0300.05020.10
7.0.10.0070.08720.13
7.0.00.0100.08019.99
5.6.280.0070.06721.12
5.6.210.0100.05020.72
5.6.200.0030.07318.06
5.6.190.0130.04320.57
5.6.180.0330.04020.43
5.6.170.0270.04320.71
5.6.160.0070.08320.47
5.6.150.0130.07718.14
5.6.140.0070.08018.17
5.6.130.0100.08018.20
5.6.120.0030.08721.00
5.6.110.0130.08021.11
5.6.100.0000.04320.97
5.6.90.0030.08721.02
5.6.80.0030.06320.50
5.5.350.0170.08020.37
5.5.340.0130.07017.95
5.5.330.0000.06320.21
5.5.320.0070.04020.13
5.5.310.0230.05320.29
5.5.300.0100.06017.88
5.5.290.0030.08317.93
5.5.280.0100.08020.89
5.5.270.0000.09020.88
5.5.260.0170.08720.61
5.5.250.0030.04720.65
5.5.240.0230.03020.03
5.4.450.0330.04326.13
5.4.440.0270.04026.12
5.4.430.0170.04726.09
5.4.420.0370.04026.09
5.4.410.0200.05026.08
5.4.400.0470.03725.89
5.4.390.0330.04025.72
5.4.380.0170.05718.42
5.4.370.0070.06318.68
5.4.360.0200.04718.69
5.4.350.0130.05318.48
5.4.340.0100.06318.57
5.4.320.0110.03212.45
5.4.310.0060.03812.45
5.4.300.0080.04912.45
5.4.290.0100.05512.45
5.4.280.0100.04912.35
5.4.270.0050.04412.34
5.4.260.0060.04312.35
5.4.250.0090.04512.34
5.4.240.0080.04812.35
5.4.230.0110.06412.34
5.4.220.0090.05212.34
5.4.210.0090.04212.34
5.4.200.0060.05112.34
5.4.190.0080.05212.34
5.4.180.0130.05712.33
5.4.170.0080.05512.35
5.4.160.0110.04212.34
5.4.150.0060.04512.34
5.4.140.0120.05712.02
5.4.130.0100.03912.01
5.4.120.0090.05311.97
5.4.110.0110.03611.96
5.4.100.0070.03811.96
5.4.90.0090.04211.97
5.4.80.0090.04511.96
5.4.70.0130.03411.96
5.4.60.0080.03911.96
5.4.50.0060.04111.96
5.4.40.0060.03911.95
5.4.30.0100.04011.95
5.4.20.0100.03711.95
5.4.10.0050.03911.95
5.4.00.0100.03911.44
5.3.290.0070.03812.80
5.3.280.0040.05112.71
5.3.270.0060.04812.73
5.3.260.0080.04812.72
5.3.250.0130.05012.72
5.3.240.0080.04912.72
5.3.230.0090.04012.71
5.3.220.0100.04112.68
5.3.210.0090.04112.68
5.3.200.0040.04612.68
5.3.190.0070.04012.68
5.3.180.0040.04612.67
5.3.170.0080.04012.67
5.3.160.0100.03412.68
5.3.150.0070.03812.68
5.3.140.0080.04712.66
5.3.130.0080.05212.66
5.3.120.0130.04812.65
5.3.110.0100.05012.66
5.3.100.0080.04812.12
5.3.90.0080.04912.08
5.3.80.0110.04412.07
5.3.70.0100.04612.08
5.3.60.0130.04312.06
5.3.50.0110.04412.00
5.3.40.0100.04612.00
5.3.30.0100.04711.94
5.3.20.0130.04611.73
5.3.10.0120.04811.69
5.3.00.0100.04911.67
5.2.170.0080.0419.18
5.2.160.0090.0389.18
5.2.150.0100.0399.18
5.2.140.0050.0399.17
5.2.130.0100.0299.14
5.2.120.0050.0419.13
5.2.110.0090.0349.14
5.2.100.0090.0359.14
5.2.90.0060.0399.14
5.2.80.0080.0389.13
5.2.70.0080.0399.13
5.2.60.0060.0409.09
5.2.50.0070.0469.06
5.2.40.0110.0339.03
5.2.30.0040.0359.01
5.2.20.0060.0379.00
5.2.10.0110.0328.93
5.2.00.0040.0418.79
5.1.60.0060.0328.08
5.1.50.0100.0388.07
5.1.40.0050.0308.05
5.1.30.0070.0288.40
5.1.20.0060.0298.43
5.1.10.0080.0278.15
5.1.00.0100.0408.15
5.0.50.0040.0376.63
5.0.40.0090.0286.49
5.0.30.0060.0466.30
5.0.20.0060.0246.27
5.0.10.0060.0216.25
5.0.00.0040.0406.24
4.4.90.0070.0244.78
4.4.80.0050.0304.75
4.4.70.0080.0244.75
4.4.60.0050.0274.75
4.4.50.0050.0244.77
4.4.40.0110.0394.70
4.4.30.0020.0224.76
4.4.20.0050.0214.85
4.4.10.0040.0244.85
4.4.00.0040.0384.76
4.3.110.0060.0244.67
4.3.100.0060.0234.67
4.3.90.0040.0224.64
4.3.80.0090.0394.58
4.3.70.0050.0264.63
4.3.60.0040.0254.62
4.3.50.0070.0264.63
4.3.40.0030.0394.54
4.3.30.0050.0253.29
4.3.20.0040.0233.27
4.3.10.0030.0223.22
4.3.00.0000.02025.72

preferences:
47.81 ms | 400 KiB | 5 Q