3v4l.org

run code in 300+ PHP versions simultaneously
<?php function create($foo) { $bar = new stdClass; $foo->bar = $bar; $bar->foo = $foo; } gc_collect_cycles(); create(new stdClass()); var_dump(gc_collect_cycles()); // expected '2', actual '2' create((new ArrayObject())->setFlags(ArrayObject::STD_PROP_LIST)); var_dump(gc_collect_cycles()); // expected '2', actual '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)
8.3.60.0140.00718.53
8.3.50.0130.00521.21
8.3.40.0180.00318.79
8.3.30.0100.00319.22
8.3.20.0070.01020.16
8.3.10.0100.00023.65
8.3.00.0130.00717.75
8.2.180.0140.00718.43
8.2.170.0160.00322.96
8.2.160.0070.00720.27
8.2.150.0110.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0000.00822.10
8.2.110.0060.00321.90
8.2.100.0040.00717.78
8.2.90.0050.00317.95
8.2.80.0070.00019.15
8.2.70.0030.00517.92
8.2.60.0000.00817.80
8.2.50.0000.01018.10
8.2.40.0000.00720.52
8.2.30.0000.00717.99
8.2.20.0050.00217.57
8.2.10.0080.00017.98
8.2.00.0040.00417.56
8.1.280.0140.00725.92
8.1.270.0060.00322.04
8.1.260.0030.00526.35
8.1.250.0080.00028.09
8.1.240.0030.00722.37
8.1.230.0040.00821.03
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0080.00017.22
8.1.180.0000.00818.10
8.1.170.0060.00318.59
8.1.160.0000.00722.02
8.1.150.0040.00418.89
8.1.140.0050.00217.38
8.1.130.0050.00217.84
8.1.120.0000.00717.40
8.1.110.0030.00517.30
8.1.100.0040.00417.39
8.1.90.0000.00717.37
8.1.80.0040.00417.39
8.1.70.0040.00417.36
8.1.60.0040.00417.54
8.1.50.0000.00817.42
8.1.40.0050.00217.53
8.1.30.0030.00617.66
8.1.20.0030.00517.49
8.1.10.0040.00417.55
8.1.00.0000.00817.53
8.0.300.0040.00420.02
8.0.290.0050.00316.75
8.0.280.0080.00018.46
8.0.270.0030.00317.22
8.0.260.0050.00318.39
8.0.250.0080.00016.86
8.0.240.0030.00316.95
8.0.230.0030.00316.88
8.0.220.0070.00016.97
8.0.210.0030.00516.81
8.0.200.0030.00317.01
8.0.190.0040.00417.00
8.0.180.0040.00416.82
8.0.170.0000.00816.96
8.0.160.0030.00316.95
8.0.150.0000.00816.86
8.0.140.0030.00516.86
8.0.130.0000.00513.41
8.0.120.0070.00016.77
8.0.110.0000.00716.91
8.0.100.0000.00716.91
8.0.90.0040.00416.89
8.0.80.0030.01316.84
8.0.70.0050.00316.79
8.0.60.0040.00416.74
8.0.50.0030.00516.80
8.0.30.0100.00917.15
8.0.20.0070.01217.40
8.0.10.0050.00217.01
8.0.00.0120.00517.10
7.4.330.0050.00015.09
7.4.320.0000.00716.49
7.4.300.0070.00016.51
7.4.290.0040.00416.45
7.4.280.0030.00716.50
7.4.270.0000.00716.53
7.4.260.0000.00716.63
7.4.250.0040.00416.55
7.4.240.0040.00316.56
7.4.230.0070.00016.50
7.4.220.0160.00916.55
7.4.210.0060.00716.46
7.4.200.0000.00716.33
7.4.160.0120.00816.36
7.4.150.0180.00017.40
7.4.140.0110.00617.86
7.4.130.0110.00916.50
7.4.120.0140.00316.54
7.4.110.0110.01116.44
7.4.100.0110.00616.35
7.4.90.0100.00716.54
7.4.80.0070.01019.39
7.4.70.0150.00016.60
7.4.60.0030.01216.36
7.4.50.0000.00816.50
7.4.40.0150.00716.52
7.4.30.0070.01016.68
7.4.00.0040.01114.95
7.3.330.0000.00513.23
7.3.320.0020.00313.36
7.3.310.0030.00316.42
7.3.300.0030.00316.31
7.3.290.0080.00616.36
7.3.280.0110.00516.37
7.3.270.0120.00617.40
7.3.260.0070.01416.28
7.3.250.0110.00516.39
7.3.240.0100.00716.37
7.3.230.0120.00916.39
7.3.210.0100.00716.43
7.3.200.0130.00719.39
7.3.190.0110.01116.40
7.3.180.0100.01016.43
7.3.170.0000.01616.45
7.3.160.0040.01216.37
7.2.330.0060.01016.50
7.2.320.0100.00716.46
7.2.310.0060.01116.53
7.2.300.0140.00316.63
7.2.290.0090.00916.65
7.2.00.0060.00919.20
7.1.100.0050.00518.13
7.1.70.0070.00017.16
7.1.60.0100.01619.32
7.1.50.0090.01516.98
7.1.00.0100.07022.30
7.0.200.1320.00316.64
7.0.140.0100.06721.99
7.0.60.0170.07319.94
7.0.50.0070.04017.95
7.0.40.0000.05020.05
7.0.30.0200.04720.07
7.0.20.0230.07320.19
7.0.10.0130.08320.23
7.0.00.0070.05320.06
5.6.280.0030.07321.11
5.6.210.0030.08020.61
5.6.200.0170.07318.25
5.6.190.0030.06320.56
5.6.180.0400.08020.63
5.6.170.0300.08320.45
5.6.160.0070.03720.39
5.6.150.0130.07318.22
5.6.140.0070.05018.24
5.6.130.0070.08318.16
5.6.120.0100.05020.94
5.6.110.0000.04321.05
5.6.100.0230.06721.14
5.6.90.0030.04021.13
5.6.80.0070.06720.29
5.5.350.0170.08020.43
5.5.340.0130.07017.97
5.5.330.0000.06720.45
5.5.320.0430.06720.34
5.5.310.0270.07020.36
5.5.300.0030.04018.07
5.5.290.0030.08317.93
5.5.280.0030.08320.96
5.5.270.0000.04320.86
5.5.260.0100.07720.79
5.5.250.0030.04320.55
5.5.240.0170.04720.24
5.4.450.0200.03719.50
5.4.440.0200.04019.47
5.4.430.0300.04019.54
5.4.420.0630.00019.41
5.4.410.0800.00019.52
5.4.400.0630.00019.16
5.4.390.0600.00019.03
5.4.380.0630.00019.07
5.4.370.0630.00019.07
5.4.360.0600.00018.98
5.4.350.0930.00019.11
5.4.340.0070.03512.02
5.4.320.0050.04412.50
5.4.310.0050.04412.50
5.4.300.0080.04012.50
5.4.290.0060.03912.50
5.4.280.0060.03912.40
5.4.270.0070.04012.40
5.4.260.0040.04112.39
5.4.250.0070.03812.40
5.4.240.0090.03612.40
5.4.230.0110.03712.39
5.4.220.0040.04412.39
5.4.210.0070.04012.39
5.4.200.0130.04912.39
5.4.190.0090.03712.38
5.4.180.0060.03812.39
5.4.170.0070.04212.39
5.4.160.0060.05012.39
5.4.150.0110.04812.39
5.4.140.0100.03812.07
5.4.130.0100.03912.05
5.4.120.0100.06312.02
5.4.110.0050.04312.01
5.4.100.0100.03212.02
5.4.90.0060.05612.01
5.4.80.0070.04412.01
5.4.70.0160.04912.00
5.4.60.0120.05212.01
5.4.50.0090.04612.01
5.4.40.0070.04312.00
5.4.30.0070.05612.00
5.4.20.0060.05412.00
5.4.10.0190.06111.99
5.4.00.0100.05211.48
5.3.290.0100.05712.80
5.3.280.0050.04512.71
5.3.270.0230.06612.73
5.3.260.0090.05212.72
5.3.250.0070.04412.72
5.3.240.0190.06712.72
5.3.230.0060.05112.70
5.3.220.0090.04912.68
5.3.210.0080.04512.68
5.3.200.0110.04712.68
5.3.190.0090.04112.68
5.3.180.0060.04412.68
5.3.170.0060.03912.67
5.3.160.0110.03712.68
5.3.150.0120.05012.67
5.3.140.0110.05612.66
5.3.130.0080.05112.66
5.3.120.0050.06012.66
5.3.110.0060.04912.66
5.3.100.0060.04312.12
5.3.90.0100.04412.11
5.3.80.0160.05912.09
5.3.70.0090.03912.10
5.3.60.0070.04712.08
5.3.50.0070.03712.02
5.3.40.0040.04212.02
5.3.30.0040.03811.99
5.3.20.0070.04111.77
5.3.10.0100.05311.73
5.3.00.0110.04011.72
5.2.170.0060.0299.22
5.2.160.0060.0349.22
5.2.150.0030.0349.22
5.2.140.0080.0419.22
5.2.130.0100.0409.17
5.2.120.0100.0339.18
5.2.110.0040.0349.18
5.2.100.0070.0289.18
5.2.90.0080.0349.18
5.2.80.0050.0309.18
5.2.70.0030.0329.18
5.2.60.0070.0319.13
5.2.50.0070.0329.10
5.2.40.0040.0299.08
5.2.30.0030.0339.05
5.2.20.0080.0259.04
5.2.10.0080.0418.95
5.2.00.0080.0268.81
5.1.60.0050.0238.09
5.1.50.0070.0228.09
5.1.40.0040.0268.07
5.1.30.0060.0268.42
5.1.20.0030.0288.45
5.1.10.0050.0258.17
5.1.00.0050.0268.16
5.0.50.0070.0186.64
5.0.40.0020.0226.50
5.0.30.0040.0316.32
5.0.20.0030.0236.28
5.0.10.0030.0226.26
5.0.00.0030.0326.25
4.4.90.0030.0164.78
4.4.80.0050.0144.76
4.4.70.0030.0164.75
4.4.60.0060.0124.76
4.4.50.0010.0174.77
4.4.40.0040.0244.71
4.4.30.0050.0134.76
4.4.20.0030.0154.85
4.4.10.0020.0164.85
4.4.00.0020.0274.76
4.3.110.0020.0174.66
4.3.100.0020.0164.66
4.3.90.0050.0154.63
4.3.80.0050.0274.59
4.3.70.0030.0194.63
4.3.60.0040.0334.63
4.3.50.0020.0204.63
4.3.40.0040.0254.54
4.3.30.0010.0193.30
4.3.20.0030.0183.27
4.3.10.0060.0183.24
4.3.00.0030.01713.35

preferences:
44.75 ms | 401 KiB | 5 Q