3v4l.org

run code in 300+ PHP versions simultaneously
<?php $os = new SplObjectStorage; $obj = new StdClass; $os->attach($obj); $os->attach($obj); var_dump($os->count()); var_dump($os->detach($obj), $os->count()); var_dump($os->detach($obj), $os->count());

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)
8.3.60.0070.01417.99
8.3.50.0130.00821.99
8.3.40.0110.00418.59
8.3.30.0090.00618.54
8.3.20.0040.00418.54
8.3.10.0040.00420.81
8.3.00.0050.00321.60
8.2.180.0000.01518.16
8.2.170.0140.00022.96
8.2.160.0130.00020.39
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0150.00026.16
8.2.120.0000.00821.11
8.2.110.0060.00320.39
8.2.100.0040.00817.78
8.2.90.0040.00419.23
8.2.80.0000.00817.97
8.2.70.0090.00017.50
8.2.60.0090.00017.93
8.2.50.0000.00818.07
8.2.40.0000.00818.16
8.2.30.0040.00421.23
8.2.20.0000.00817.66
8.2.10.0040.00417.63
8.2.00.0000.00717.57
8.1.280.0070.00725.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0060.00322.38
8.1.230.0030.00820.85
8.1.220.0040.00418.77
8.1.210.0030.00518.91
8.1.200.0060.00317.13
8.1.190.0000.00717.41
8.1.180.0040.00418.10
8.1.170.0030.00618.66
8.1.160.0050.00318.80
8.1.150.0000.00718.50
8.1.140.0000.00717.36
8.1.130.0040.00417.74
8.1.120.0040.00417.29
8.1.110.0040.00417.38
8.1.100.0040.00417.43
8.1.90.0040.00417.41
8.1.80.0000.00717.35
8.1.70.0000.00717.42
8.1.60.0030.00617.38
8.1.50.0030.00617.38
8.1.40.0040.00417.44
8.1.30.0060.00317.56
8.1.20.0000.00817.64
8.1.10.0000.00717.52
8.1.00.0080.00317.41
8.0.300.0070.00019.89
8.0.290.0040.00417.04
8.0.280.0050.00318.29
8.0.270.0070.00017.10
8.0.260.0080.00016.80
8.0.250.0030.00516.89
8.0.240.0020.00516.93
8.0.230.0000.00716.85
8.0.220.0000.00716.83
8.0.210.0040.00416.70
8.0.200.0030.00316.80
8.0.190.0060.00316.80
8.0.180.0040.00416.77
8.0.170.0030.00516.82
8.0.160.0070.00016.81
8.0.150.0030.00316.77
8.0.140.0030.00516.71
8.0.130.0000.00513.25
8.0.120.0000.00716.70
8.0.110.0000.00716.77
8.0.100.0040.00416.76
8.0.90.0080.00016.82
8.0.80.0060.00916.82
8.0.70.0090.00016.72
8.0.60.0050.00316.95
8.0.50.0040.00416.61
8.0.30.0100.00816.79
8.0.20.0130.00717.40
8.0.10.0080.00016.83
8.0.00.0100.00716.59
7.4.330.0030.00214.71
7.4.320.0000.00716.55
7.4.300.0060.00016.58
7.4.290.0030.00516.39
7.4.280.0030.00316.43
7.4.270.0040.00416.48
7.4.260.0050.00013.20
7.4.250.0030.00516.53
7.4.240.0000.00716.54
7.4.230.0000.00816.60
7.4.220.0070.01516.33
7.4.210.0110.00316.45
7.4.200.0000.00716.35
7.4.190.0030.00316.50
7.4.160.0050.01116.38
7.4.150.0070.01017.40
7.4.140.0100.01017.86
7.4.130.0120.00816.49
7.4.120.0080.01016.49
7.4.110.0100.01316.42
7.4.100.0100.01016.43
7.4.90.0140.01116.27
7.4.80.0070.01019.39
7.4.70.0120.00616.41
7.4.60.0130.00316.28
7.4.50.0050.00316.52
7.4.40.0090.00622.52
7.4.30.0080.00916.54
7.4.00.0100.00714.77
7.3.330.0050.00013.05
7.3.320.0050.00013.07
7.3.310.0080.00016.14
7.3.300.0000.00715.98
7.3.290.0030.01016.05
7.3.280.0100.01016.10
7.3.270.0180.00017.40
7.3.260.0060.01118.24
7.3.250.0090.00816.27
7.3.240.0100.00716.28
7.3.230.0100.00716.39
7.3.210.0030.01316.24
7.3.200.0180.00619.39
7.3.190.0030.01316.50
7.3.180.0110.00516.21
7.3.170.0100.01016.27
7.3.160.0060.00916.21
7.3.120.0060.01014.70
7.2.330.0100.00716.24
7.2.320.0060.01216.17
7.2.310.0110.01716.48
7.2.300.0090.00616.41
7.2.290.0090.01216.63
7.1.70.0030.00516.86
7.1.60.0150.00919.40
7.1.50.0000.01816.89
7.1.00.0070.06722.36
7.0.200.0000.00716.40
7.0.140.0070.09322.07
7.0.70.0030.04321.80
7.0.60.0000.08721.77
7.0.50.0030.07022.10
7.0.40.0070.04320.18
7.0.30.0030.09020.08
7.0.20.0030.04720.07
7.0.10.0000.05020.03
7.0.00.0070.07720.04
5.6.280.0030.07321.11
5.6.220.0130.07720.64
5.6.210.0000.08020.75
5.6.200.0070.08721.06
5.6.190.0070.07321.07
5.6.180.0070.08721.14
5.6.170.0100.08321.04
5.6.160.0070.08321.17
5.6.150.0030.06021.02
5.6.140.0030.04321.02
5.6.130.0070.08321.00
5.6.120.0000.06321.06
5.6.110.0030.08321.09
5.6.100.0100.07721.05
5.6.90.0100.08021.04
5.6.80.0000.06020.41
5.6.70.0070.07320.40
5.6.60.0000.04720.48
5.6.50.0030.08020.34
5.6.40.0100.06020.25
5.6.30.0070.06020.52
5.6.20.0000.04020.46
5.6.10.0100.05320.27
5.6.00.0030.04020.43
5.5.360.0000.04720.37
5.5.350.0000.08320.34
5.5.340.0070.08020.64
5.5.330.0030.08320.85
5.5.320.0030.06720.90
5.5.310.0100.06020.91
5.5.300.0130.05320.71
5.5.290.0070.07720.80
5.5.280.0030.07720.72
5.5.270.0030.05020.83
5.5.260.0000.08720.63
5.5.250.0030.08720.61
5.5.240.0030.08020.25
5.5.230.0030.05320.21
5.5.220.0030.07320.18
5.5.210.0230.05720.16
5.5.200.0030.07320.23
5.5.190.0000.04720.25
5.5.180.0070.03320.23
5.5.160.0070.03720.14
5.5.150.0030.03720.24
5.5.140.0100.03320.13
5.5.130.0030.03720.17
5.5.120.0000.04020.23
5.5.110.0000.04020.15
5.5.100.0000.04020.14
5.5.90.0070.02720.05
5.5.80.0000.03720.11
5.5.70.0000.04320.16
5.5.60.0030.03020.15
5.5.50.0030.03720.15
5.5.40.0000.04020.12
5.5.30.0000.04720.14
5.5.20.0030.03720.13
5.5.10.0030.03720.07
5.5.00.0030.03719.94
5.4.450.0000.08019.29
5.4.440.0130.03719.43
5.4.430.0030.08019.35
5.4.420.0030.08319.34
5.4.410.0170.07719.24
5.4.400.0070.06019.07
5.4.390.0070.07719.04
5.4.380.0100.06719.14
5.4.370.0030.05019.05
5.4.360.0000.04719.03
5.4.350.0030.06319.07
5.4.340.0030.03719.07
5.4.320.0030.03719.04
5.4.310.0000.03719.23
5.4.300.0030.03718.89
5.4.290.0000.03719.03
5.4.280.0000.04319.07
5.4.270.0000.03719.23
5.4.260.0030.03319.09
5.4.250.0030.03318.97
5.4.240.0000.03319.20
5.4.230.0000.04719.07
5.4.220.0070.03319.04
5.4.210.0000.03719.00
5.4.200.0030.07019.11
5.4.190.0000.03319.13
5.4.180.0070.03318.77
5.4.170.0000.03719.11
5.4.160.0070.05018.96
5.4.150.0000.03319.04
5.4.140.0000.04316.29
5.4.130.0000.03016.26
5.4.120.0000.03316.38
5.4.110.0000.03016.44
5.4.100.0030.03316.25
5.4.90.0000.04016.36
5.4.80.0030.02716.19
5.4.70.0000.03016.43
5.4.60.0030.02716.41
5.4.50.0000.03016.40
5.4.40.0000.03316.33
5.4.30.0030.02716.39
5.4.20.0000.03316.35
5.4.10.0000.03716.23
5.4.00.0000.03315.72
5.3.290.0000.04714.64
5.3.280.0000.03314.58
5.3.270.0000.03714.59
5.3.260.0030.04014.56
5.3.250.0030.03014.60
5.3.240.0000.03714.46
5.3.230.0000.03714.50
5.3.220.0030.03314.53
5.3.210.0000.03714.53
5.3.200.0030.03014.40
5.3.190.0000.03714.56
5.3.180.0000.03714.39
5.3.170.0000.03714.50
5.3.160.0000.03014.39
5.3.150.0000.03014.51
5.3.140.0030.03014.43
5.3.130.0000.04014.54
5.3.120.0030.03014.50
5.3.110.0000.04314.51
5.3.100.0030.03013.99
5.3.90.0000.03713.87
5.3.80.0000.04013.88
5.3.70.0000.04313.87
5.3.60.0030.03313.98
5.3.50.0000.03313.85
5.3.40.0030.02713.91
5.3.30.0000.03713.88
5.3.20.0030.03013.64
5.3.10.0030.06313.62
5.3.00.0170.05713.59
5.2.170.0030.02712.18
5.2.160.0000.02712.18
5.2.150.0030.02312.18
5.2.140.0000.03312.18
5.2.130.0000.05312.18
5.2.120.0000.06012.18
5.2.110.0100.05012.18
5.2.100.0030.05712.18
5.2.90.0030.03712.18
5.2.80.0000.03712.18
5.2.70.0030.06012.18
5.2.60.0000.05712.18
5.2.50.0030.05012.18
5.2.40.0030.06012.18
5.2.30.0030.03312.18
5.2.20.0000.03312.18
5.2.10.0000.03012.18
5.2.00.0000.06312.18
5.1.60.0000.03012.18
5.1.50.0030.05312.18
5.1.40.0000.03712.18
5.1.30.0030.05712.18
5.1.20.0000.05312.18
5.1.10.0030.06012.18
5.1.00.0000.05312.18
5.0.50.0030.02712.18
5.0.40.0000.03712.18
5.0.30.0000.06012.18
5.0.20.0000.03712.18
5.0.10.0000.02012.18
5.0.00.0000.06012.18
4.4.90.0000.03712.18
4.4.80.0000.02312.18
4.4.70.0000.04012.18
4.4.60.0000.03312.18
4.4.50.0000.02312.18
4.4.40.0000.03712.18
4.4.30.0030.03312.18
4.4.20.0100.02712.18
4.4.10.0000.03012.18
4.4.00.0030.05312.18
4.3.110.0030.03012.18
4.3.100.0000.03012.18
4.3.90.0000.03312.18
4.3.80.0030.06712.18
4.3.70.0000.03312.18
4.3.60.0000.03712.18
4.3.50.0000.01712.18
4.3.40.0000.04312.18
4.3.30.0000.03712.18
4.3.20.0000.04012.18
4.3.10.0000.02712.18
4.3.00.0000.01712.18

preferences:
40.1 ms | 401 KiB | 5 Q