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)
8.3.60.0070.01018.23
8.3.50.0120.00722.10
8.3.40.0070.00718.84
8.3.30.0090.00919.01
8.3.20.0000.00720.25
8.3.10.0080.00023.48
8.3.00.0040.00419.18
8.2.180.0070.00716.38
8.2.170.0100.00322.96
8.2.160.0140.00020.58
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00420.93
8.2.110.0060.00322.29
8.2.100.0080.00420.39
8.2.90.0000.00819.25
8.2.80.0040.00417.97
8.2.70.0080.00017.63
8.2.60.0050.00317.93
8.2.50.0040.00418.07
8.2.40.0060.00319.95
8.2.30.0000.00718.39
8.2.20.0080.00017.73
8.2.10.0070.00017.96
8.2.00.0060.00317.54
8.1.280.0140.00325.92
8.1.270.0080.00023.83
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00323.83
8.1.230.0060.00619.00
8.1.220.0080.00017.79
8.1.210.0030.00718.77
8.1.200.0030.00717.50
8.1.190.0080.00017.13
8.1.180.0040.00418.10
8.1.170.0080.00018.65
8.1.160.0040.00422.01
8.1.150.0040.00418.70
8.1.140.0040.00417.43
8.1.130.0000.00717.81
8.1.120.0020.00517.31
8.1.110.0070.00017.48
8.1.100.0030.00317.44
8.1.90.0070.00317.46
8.1.80.0000.00717.30
8.1.70.0000.00617.45
8.1.60.0060.00317.62
8.1.50.0080.00017.42
8.1.40.0020.00517.44
8.1.30.0080.00017.51
8.1.20.0030.00617.56
8.1.10.0000.00717.50
8.1.00.0040.00417.53
8.0.300.0000.00818.77
8.0.290.0040.00416.63
8.0.280.0070.00018.50
8.0.270.0000.00717.23
8.0.260.0060.00017.25
8.0.250.0030.00316.99
8.0.240.0060.00016.94
8.0.230.0030.00316.90
8.0.220.0070.00016.89
8.0.210.0000.00716.81
8.0.200.0030.00317.01
8.0.190.0030.00616.93
8.0.180.0040.00416.89
8.0.170.0080.00016.79
8.0.160.0070.00016.89
8.0.150.0070.00016.83
8.0.140.0040.00416.73
8.0.130.0050.00013.27
8.0.120.0020.00516.90
8.0.110.0000.00716.84
8.0.100.0030.00316.73
8.0.90.0000.00716.71
8.0.80.0120.00316.86
8.0.70.0040.00416.91
8.0.60.0000.00716.77
8.0.50.0000.00716.93
8.0.30.0060.01216.94
8.0.20.0060.01717.40
8.0.10.0000.00716.89
8.0.00.0110.00716.62
7.4.330.0000.00615.00
7.4.320.0030.00316.50
7.4.300.0000.00716.59
7.4.290.0070.00016.52
7.4.280.0030.00516.60
7.4.270.0040.00416.50
7.4.260.0040.00416.54
7.4.250.0070.00016.38
7.4.240.0030.00316.46
7.4.230.0040.00416.49
7.4.220.0090.00616.45
7.4.210.0090.00616.53
7.4.200.0040.00416.18
7.4.160.0060.01016.59
7.4.150.0100.00717.40
7.4.140.0090.00917.86
7.4.130.0070.01116.45
7.4.120.0130.00716.44
7.4.110.0100.00716.58
7.4.100.0100.00716.45
7.4.90.0100.00716.30
7.4.80.0160.00319.39
7.4.70.0030.01716.37
7.4.60.0070.01016.57
7.4.50.0030.00316.60
7.4.40.0060.01016.38
7.4.30.0060.00916.65
7.4.00.0070.00714.56
7.3.330.0030.00413.05
7.3.320.0000.00513.25
7.3.310.0070.00016.23
7.3.300.0030.00316.17
7.3.290.0040.01516.37
7.3.280.0080.00916.30
7.3.270.0100.00717.40
7.3.260.0130.00416.21
7.3.250.0130.00816.41
7.3.240.0030.01416.30
7.3.230.0110.00516.39
7.3.210.0150.00916.49
7.3.200.0120.00619.39
7.3.190.0070.01016.64
7.3.180.0130.01016.22
7.3.170.0060.01016.68
7.3.160.0050.01116.39
7.3.120.0070.01014.57
7.2.330.0120.00616.73
7.2.320.0100.00716.69
7.2.310.0070.01016.80
7.2.300.0030.01316.37
7.2.290.0100.00916.72
7.1.200.0030.01015.83
7.1.70.0000.00817.18
7.1.60.0060.01619.70
7.1.50.0140.01017.10
7.1.00.0000.07722.57
7.0.200.0070.00316.82
7.0.140.0000.07022.10
7.0.60.0030.08020.02
7.0.50.0030.04317.84
7.0.40.0030.05720.07
7.0.30.0200.04320.04
7.0.20.0200.07020.09
7.0.10.0130.06020.16
7.0.00.0030.09319.99
5.6.280.0000.07320.86
5.6.210.0030.07020.68
5.6.200.0130.06018.09
5.6.190.0100.05320.45
5.6.180.4130.03720.35
5.6.170.0300.06720.51
5.6.160.0130.08020.52
5.6.150.0030.04018.22
5.6.140.0070.03718.21
5.6.130.0130.03018.11
5.6.120.0030.08021.03
5.6.110.0030.09021.01
5.6.100.0030.04020.95
5.6.90.0100.07021.09
5.6.80.0100.06720.40
5.6.70.4570.03720.39
5.5.350.0070.05020.40
5.5.340.0100.03317.95
5.5.330.0070.08720.15
5.5.320.2000.05320.34
5.5.310.0230.04320.26
5.5.300.0100.07718.02
5.5.290.0030.04317.95
5.5.280.0100.08020.88
5.5.270.0170.04720.96
5.5.260.0070.05320.66
5.5.250.0030.05720.78
5.5.240.0270.07320.34
5.4.450.3700.04719.39
5.4.440.3730.04019.48
5.4.430.4070.04319.36
5.4.420.4070.04019.19
5.4.410.4230.03319.08
5.4.400.3730.03319.17
5.4.390.3400.03019.16
5.4.380.4070.04018.97
5.4.370.1570.04319.05
5.4.360.4170.04319.16
5.4.350.4130.04319.07
5.4.340.4530.03718.88
5.4.320.4330.03318.89
5.4.310.3900.03318.87
5.4.300.0030.06019.09
5.4.290.0100.07719.15
5.4.280.4000.03718.96
5.4.270.3670.03019.16
5.4.260.3930.03319.15
5.4.250.3830.03318.91
5.4.240.4100.03719.16
5.4.230.4270.03319.15
5.4.220.3900.03019.07
5.4.210.3530.04019.06
5.4.200.4630.04718.99
5.4.190.3930.03319.15
5.4.180.3400.03319.15
5.4.170.4100.04018.96
5.4.160.4700.02719.02
5.4.150.4430.04319.02
5.4.140.4500.03016.42
5.4.130.4200.03316.39
5.4.120.3600.03316.32
5.4.110.3770.03716.23
5.4.100.3570.03016.16
5.4.90.3600.03016.35
5.4.80.3700.03716.37
5.4.70.3900.03316.32
5.4.60.3570.03716.30
5.4.50.4130.04016.30
5.4.40.3430.03316.23
5.4.30.3700.03316.20
5.4.20.3800.03716.32
5.4.10.3800.03316.12
5.4.00.4000.04015.58
5.3.290.4330.04014.64
5.3.280.4570.03714.55
5.3.270.3600.03014.58
5.3.260.4570.04014.61
5.3.250.4100.04014.58
5.3.240.3800.04014.54
5.3.230.3370.03714.52
5.3.220.3970.04014.54
5.3.210.4270.03714.50
5.3.200.4070.04314.36
5.3.190.3330.03314.52
5.3.180.4170.03714.48
5.3.170.3670.03714.48
5.3.160.3930.03314.49
5.3.150.3700.02714.44
5.3.140.3600.03714.43
5.3.130.3500.03714.47
5.3.120.3530.04314.47
5.3.110.3170.03714.47
5.3.100.4130.03713.91
5.3.90.3870.03013.95
5.3.80.3900.02713.86
5.3.70.4030.03313.83
5.3.60.3830.03713.95
5.3.50.4000.03713.90
5.3.40.3770.04013.87
5.3.30.3530.03713.83
5.3.20.3530.03313.53
5.3.10.3970.03313.60
5.3.00.4400.03713.45
5.2.170.3300.02711.08
5.2.160.3330.03011.22
5.2.150.3130.03711.23
5.2.140.3300.03011.09
5.2.130.3130.03011.04
5.2.120.3170.03010.92
5.2.110.3230.02311.03
5.2.100.4670.02711.09
5.2.90.3930.02310.98
5.2.80.3500.03011.08
5.2.70.3900.03311.10
5.2.60.3070.03310.89
5.2.50.3230.02710.96
5.2.40.2670.02710.92
5.2.30.2430.02310.95
5.2.20.2800.02710.89
5.2.10.2430.02710.91
5.2.00.2400.03010.74
5.1.60.3170.02710.13
5.1.50.2770.0309.89
5.1.40.2970.0279.96
5.1.30.3100.03010.34
5.1.20.3200.02710.38
5.1.10.3200.0279.97
5.1.00.3200.02710.08
5.0.50.1470.0178.51
5.0.40.1230.0208.46
5.0.30.1370.0338.17
5.0.20.1470.0208.35
5.0.10.1600.0208.07
5.0.00.1770.0308.06
4.4.90.1800.0175.90
4.4.80.1400.0175.90
4.4.70.1700.0175.90
4.4.60.1230.0175.90
4.4.50.1200.0175.90
4.4.40.1730.0275.90
4.4.30.1730.0175.90
4.4.20.1800.0135.90
4.4.10.1730.0175.90
4.4.00.1800.0275.90
4.3.110.1670.0135.90
4.3.100.1430.0175.90
4.3.90.1500.0135.90
4.3.80.1670.0205.90
4.3.70.1870.0135.90
4.3.60.1830.0135.90
4.3.50.1770.0135.90
4.3.40.1830.0275.90
4.3.30.1000.0205.90
4.3.20.0800.0175.90
4.3.10.0730.0175.90
4.3.00.0830.0205.90

preferences:
52.57 ms | 400 KiB | 5 Q