3v4l.org

run code in 300+ PHP versions simultaneously
<?php $A = array(); $B = &$A[0]; $F = &$A[1]; $C = $A; $D = $A; unset($C[0]); $C = $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)
8.3.60.0140.00718.55
8.3.50.0090.01021.99
8.3.40.0120.00918.77
8.3.30.0110.00418.96
8.3.20.0000.00820.13
8.3.10.0050.00523.63
8.3.00.0040.00420.68
8.2.180.0070.01118.42
8.2.170.0040.01422.96
8.2.160.0000.01420.39
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00420.72
8.2.110.0090.00022.01
8.2.100.0110.00017.97
8.2.90.0040.00418.89
8.2.80.0080.00017.97
8.2.70.0040.00417.75
8.2.60.0000.00818.04
8.2.50.0040.00418.07
8.2.40.0070.00018.34
8.2.30.0100.00018.18
8.2.20.0030.00617.62
8.2.10.0040.00417.93
8.2.00.0050.00317.55
8.1.280.0110.01125.92
8.1.270.0040.00424.02
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0000.00924.01
8.1.230.0040.00819.21
8.1.220.0060.00317.79
8.1.210.0050.00318.77
8.1.200.0060.00317.47
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0040.00418.31
8.1.160.0050.00322.05
8.1.150.0050.00218.57
8.1.140.0000.00817.37
8.1.130.0030.00317.76
8.1.120.0000.00717.46
8.1.110.0000.00817.32
8.1.100.0030.00617.51
8.1.90.0080.00017.42
8.1.80.0000.00817.43
8.1.70.0030.00317.41
8.1.60.0070.00017.57
8.1.50.0050.00317.51
8.1.40.0050.00217.55
8.1.30.0060.00317.62
8.1.20.0040.00417.69
8.1.10.0000.00717.48
8.1.00.0030.00617.48
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0080.00018.45
8.0.270.0030.00317.12
8.0.260.0060.00017.13
8.0.250.0040.00416.95
8.0.240.0080.00016.96
8.0.230.0030.00516.99
8.0.220.0000.00716.79
8.0.210.0030.00316.88
8.0.200.0030.00316.93
8.0.190.0000.00716.98
8.0.180.0070.00016.91
8.0.170.0080.00016.82
8.0.160.0000.00716.92
8.0.150.0030.00316.72
8.0.140.0000.00716.83
8.0.130.0000.00513.32
8.0.120.0000.00716.79
8.0.110.0000.00716.89
8.0.100.0020.00516.95
8.0.90.0000.00716.93
8.0.80.0110.00416.89
8.0.70.0050.00316.95
8.0.60.0000.00716.72
8.0.50.0000.00716.78
8.0.30.0110.00716.94
8.0.20.0120.00917.40
8.0.10.0070.00016.90
8.0.00.0090.00916.60
7.4.330.0020.00215.00
7.4.320.0000.00616.42
7.4.300.0030.00316.40
7.4.290.0000.00716.45
7.4.280.0000.00716.60
7.4.270.0030.00316.60
7.4.260.0040.00416.57
7.4.250.0000.00716.44
7.4.240.0010.00616.61
7.4.230.0030.00316.50
7.4.220.0090.00716.59
7.4.210.0120.00416.54
7.4.200.0000.00716.62
7.4.160.0080.00816.49
7.4.150.0060.01217.40
7.4.140.0140.00517.86
7.4.130.0080.00816.33
7.4.120.0060.01116.54
7.4.110.0090.00916.42
7.4.100.0130.00416.46
7.4.90.0130.01016.33
7.4.80.0150.00319.39
7.4.70.0060.01216.41
7.4.60.0070.01016.49
7.4.50.0000.00816.53
7.4.40.0090.00716.45
7.4.30.0090.00616.39
7.4.00.0070.01114.81
7.3.330.0050.00313.08
7.3.320.0000.00713.04
7.3.310.0070.00016.14
7.3.300.0070.00016.37
7.3.290.0100.01016.29
7.3.280.0070.00916.35
7.3.270.0070.01717.40
7.3.260.0140.00316.64
7.3.250.0130.01216.55
7.3.240.0110.00816.62
7.3.230.0170.00016.39
7.3.210.0100.00716.38
7.3.200.0070.01019.39
7.3.190.0150.00316.58
7.3.180.0130.00716.31
7.3.170.0070.01016.63
7.3.160.0060.01116.50
7.3.120.0090.00615.03
7.2.330.0120.00916.29
7.2.320.0030.01316.67
7.2.310.0060.01016.70
7.2.300.0070.01016.29
7.2.290.0060.01116.73
7.2.80.0070.00616.74
7.2.00.0000.01619.22
7.1.200.0080.00815.79
7.1.100.0110.00018.19
7.1.70.0000.00817.22
7.1.60.0000.02419.70
7.1.50.0090.01616.89
7.1.00.0030.07722.42
7.0.200.0170.00716.55
7.0.140.0030.07022.00
7.0.60.0130.08019.96
7.0.50.0100.07717.82
7.0.40.0070.04320.02
7.0.30.0170.08320.04
7.0.20.0370.06320.04
7.0.10.0070.04020.09
7.0.00.0070.04320.13
5.6.280.0030.07020.88
5.6.210.0130.07320.51
5.6.200.0030.06018.15
5.6.190.0030.04320.77
5.6.180.0170.06720.49
5.6.170.0400.07320.53
5.6.160.0170.03320.47
5.6.150.0030.05718.15
5.6.140.0100.07718.11
5.6.130.0070.03718.20
5.6.120.0000.04320.73
5.6.110.0030.09021.13
5.6.100.0100.08020.98
5.6.90.0100.08020.98
5.6.80.0070.03720.52
5.5.350.0200.07020.43
5.5.340.0030.04017.89
5.5.330.0130.07720.41
5.5.320.0370.05720.30
5.5.310.0230.06320.41
5.5.300.0170.07018.02
5.5.290.0000.09017.86
5.5.280.0100.05020.76
5.5.270.0070.04020.77
5.5.260.0100.08020.88
5.5.250.0100.08020.78
5.5.240.0270.06720.15
5.4.450.0330.03727.24
5.4.440.0270.05726.15
5.4.430.0170.05026.13
5.4.420.1070.04319.40
5.4.410.0270.04026.13
5.4.400.0130.04726.12
5.4.390.0230.05026.11
5.4.380.0100.06318.66
5.4.370.0230.04318.44
5.4.360.0170.05018.49
5.4.350.0100.06018.77
5.4.340.0200.04718.70
5.4.320.0090.03612.45
5.4.310.0070.04812.45
5.4.300.0110.06712.45
5.4.290.0040.07912.45
5.4.280.0140.04912.34
5.4.270.0100.04912.34
5.4.260.0060.07512.34
5.4.250.0160.05212.35
5.4.240.0130.05112.35
5.4.230.0180.04212.34
5.4.220.0180.04212.34
5.4.210.0100.04012.34
5.4.200.0100.04312.34
5.4.190.0110.03812.34
5.4.180.0100.05212.33
5.4.170.0120.05612.34
5.4.160.0080.05912.34
5.4.150.0070.03912.34
5.4.140.0090.05012.02
5.4.130.0080.05012.01
5.4.120.0060.04211.97
5.4.110.0090.05511.97
5.4.100.0110.05411.96
5.4.90.0070.06411.96
5.4.80.0090.05111.96
5.4.70.0080.04311.96
5.4.60.0080.05211.96
5.4.50.0070.05011.96
5.4.40.0070.05911.95
5.4.30.0110.05411.95
5.4.20.0100.03911.94
5.4.10.0070.04611.95
5.4.00.0100.05311.44
5.3.290.0050.04112.80
5.3.280.0110.04912.71
5.3.270.0100.05212.72
5.3.260.0070.05112.72
5.3.250.0120.04412.72
5.3.240.0160.04412.71
5.3.230.0050.05312.71
5.3.220.0140.04512.68
5.3.210.0170.06112.68
5.3.200.0130.05112.68
5.3.190.0100.04012.68
5.3.180.0080.04312.67
5.3.170.0230.10412.67
5.3.160.0110.04812.67
5.3.150.0080.05012.67
5.3.140.0130.04812.66
5.3.130.0070.05812.66
5.3.120.0140.05112.66
5.3.110.0060.07312.66
5.3.100.0060.04712.12
5.3.90.0160.06212.08
5.3.80.0100.05112.07
5.3.70.0090.05212.07
5.3.60.0080.05612.07
5.3.50.0070.05012.00
5.3.40.0110.06612.00
5.3.30.0100.05211.94
5.3.20.0060.04811.72
5.3.10.0070.04211.69
5.3.00.0120.05011.68
5.2.170.0070.0429.18
5.2.160.0070.0349.18
5.2.150.0100.0369.18
5.2.140.0040.0349.17
5.2.130.0050.0329.13
5.2.120.0040.0349.13
5.2.110.0070.0289.14
5.2.100.0030.0329.14
5.2.90.0070.0339.14
5.2.80.0020.0359.13
5.2.70.0080.0349.13
5.2.60.0060.0499.09
5.2.50.0080.0429.06
5.2.40.0090.0379.04
5.2.30.0060.0429.01
5.2.20.0090.0729.00
5.2.10.0060.0418.94
5.2.00.0060.0418.79
5.1.60.0090.0328.07
5.1.50.0040.0348.07
5.1.40.0050.0338.06
5.1.30.0040.0288.41
5.1.20.0060.0268.43
5.1.10.0030.0298.15
5.1.00.0070.0268.15
5.0.50.0040.0256.63
5.0.40.0060.0206.49
5.0.30.0030.0356.30
5.0.20.0050.0206.27
5.0.10.0090.0366.25
5.0.00.0060.0296.24
4.4.90.0040.0164.78
4.4.80.0030.0164.75
4.4.70.0040.0184.76
4.4.60.0040.0214.76
4.4.50.0040.0144.77
4.4.40.0020.0274.71
4.4.30.0060.0204.75
4.4.20.0050.0234.85
4.4.10.0020.0184.85
4.4.00.0030.0284.76
4.3.110.0040.0154.67
4.3.100.0040.0214.67
4.3.90.0010.0174.63
4.3.80.0020.0274.58
4.3.70.0040.0134.63
4.3.60.0030.0164.63
4.3.50.0030.0164.63
4.3.40.0030.0244.54
4.3.30.0020.0173.29
4.3.20.0050.0133.27
4.3.10.0020.0163.23
4.3.00.0030.02026.11

preferences:
41.39 ms | 401 KiB | 5 Q