3v4l.org

run code in 300+ PHP versions simultaneously
<?php class User{ public $id; function __construct($id) { $this->id = $id; } } class UserStorage extends SPLObjectStorage{ public function getHash($obj){ return strval($obj->id); } } $us = new UserStorage(); $user1 = new User(1); $user2 = new User(2); $us->attach($user1); $us->attach($user2); $me = new User(2); // the following would normally fail since they are two separate objects // but it works now with our extended getHash() var_dump($us->contains($me));

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)
8.3.40.0100.00718.64
8.3.30.0150.00018.65
8.3.20.0090.00018.78
8.3.10.0060.00318.82
8.3.00.0050.00319.26
8.2.170.0110.00422.96
8.2.160.0070.00718.69
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0070.01126.16
8.2.120.0000.00818.89
8.2.110.0110.00020.96
8.2.100.0070.00417.78
8.2.90.0030.00619.64
8.2.80.0040.00419.34
8.2.70.0040.00417.25
8.2.60.0060.00317.80
8.2.50.0050.00318.07
8.2.40.0040.00418.19
8.2.30.0070.00017.96
8.2.20.0000.00919.25
8.2.10.0030.00617.54
8.2.00.0000.00817.66
8.1.270.0040.00423.99
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0040.00422.67
8.1.230.0040.00720.95
8.1.220.0000.00917.74
8.1.210.0030.00518.77
8.1.200.0040.00417.35
8.1.190.0000.00717.50
8.1.180.0080.00018.10
8.1.170.0050.00218.55
8.1.160.0050.00218.81
8.1.150.0040.00418.59
8.1.140.0000.00817.41
8.1.130.0050.00317.86
8.1.120.0040.00417.43
8.1.110.0000.00717.41
8.1.100.0050.00217.36
8.1.90.0040.00417.32
8.1.80.0040.00417.46
8.1.70.0000.00717.34
8.1.60.0030.00617.57
8.1.50.0040.00417.51
8.1.40.0030.00617.52
8.1.30.0000.00917.54
8.1.20.0050.00317.59
8.1.10.0070.00017.50
8.1.00.0030.00617.43
8.0.300.0070.00020.04
8.0.290.0040.00416.63
8.0.280.0070.00018.48
8.0.270.0030.00317.08
8.0.260.0030.00316.69
8.0.250.0000.00816.95
8.0.240.0000.00716.85
8.0.230.0040.00416.88
8.0.220.0040.00416.69
8.0.210.0040.00416.84
8.0.200.0000.00916.92
8.0.190.0040.00416.95
8.0.180.0000.00716.86
8.0.170.0000.00916.73
8.0.160.0000.00716.87
8.0.150.0040.00416.77
8.0.140.0030.00616.75
8.0.130.0000.00613.21
8.0.120.0050.00316.68
8.0.110.0030.00516.76
8.0.100.0060.00316.84
8.0.90.0000.00716.77
8.0.80.0060.01316.79
8.0.70.0000.00716.77
8.0.60.0050.00316.66
8.0.50.0040.00416.93
8.0.30.0150.00317.08
8.0.20.0060.01517.04
8.0.10.0040.00416.86
8.0.00.0150.00616.64
7.4.330.0000.00512.97
7.4.320.0000.00716.52
7.4.300.0000.00616.45
7.4.290.0000.00716.48
7.4.280.0000.00816.58
7.4.270.0000.00716.54
7.4.260.0000.00713.13
7.4.250.0000.00816.50
7.4.240.0000.00716.50
7.4.230.0050.00316.43
7.4.220.0100.00916.51
7.4.210.0130.01016.66
7.4.200.0040.00416.62
7.4.190.0070.00016.46
7.4.160.0110.00616.43
7.4.150.0140.00316.60
7.4.140.0160.01016.55
7.4.130.0130.01016.46
7.4.120.0130.00316.35
7.4.110.0100.00716.36
7.4.100.0160.00316.48
7.4.90.0160.00316.46
7.4.80.0070.01119.39
7.4.70.0060.01016.45
7.4.60.0030.01216.52
7.4.50.0000.00516.18
7.4.40.0080.00316.32
7.4.30.0130.00316.52
7.4.00.0000.01414.87
7.3.330.0070.00013.38
7.3.320.0000.00613.14
7.3.310.0070.00016.20
7.3.300.0000.00716.35
7.3.290.0060.00816.33
7.3.280.0080.00816.25
7.3.270.0150.00716.58
7.3.260.0140.00316.30
7.3.250.0080.01416.32
7.3.240.0030.01316.34
7.3.230.0060.00916.42
7.3.210.0190.00316.36
7.3.200.0110.01116.61
7.3.190.0100.01216.54
7.3.180.0070.01016.29
7.3.170.0090.00616.37
7.3.160.0120.00416.34
7.3.120.0080.00814.39
7.2.330.0000.01816.46
7.2.320.0160.00616.54
7.2.310.0100.01016.92
7.2.300.0150.00416.73
7.2.290.0090.01516.79
7.2.00.0070.01019.48
7.1.100.0000.00818.09
7.1.70.0030.00917.22
7.1.60.0070.01819.17
7.1.50.0100.01016.77
7.1.00.0070.05722.28
7.0.200.0030.00716.34
7.0.140.0030.07322.07
7.0.120.0070.07022.16
7.0.60.0030.08319.93
7.0.50.0170.07017.86
7.0.40.0100.04317.73
7.0.30.0030.04317.69
7.0.20.0030.04717.85
7.0.10.0070.04017.81
7.0.00.0000.04317.73
5.6.280.0070.07020.91
5.6.210.0030.08320.71
5.6.200.0000.09018.29
5.6.190.0130.06318.23
5.6.180.0000.05718.14
5.6.170.0070.04018.17
5.6.160.0100.03318.27
5.6.150.0030.04318.28
5.6.140.0070.03718.12
5.6.130.0030.04018.19
5.6.120.0030.04018.21
5.6.110.0070.03718.18
5.6.100.0070.03718.27
5.6.90.0070.03718.26
5.6.80.0000.04017.60
5.6.70.0000.04317.54
5.6.60.0070.03717.56
5.6.50.0030.03717.57
5.6.40.0070.03717.50
5.6.30.0030.03717.54
5.6.20.0030.03717.54
5.6.10.0070.05717.54
5.6.00.0030.03717.50
5.5.350.0430.06720.31
5.5.340.0030.06317.98
5.5.330.0070.04318.07
5.5.320.0000.05317.95
5.5.310.0030.04317.93
5.5.300.0000.04317.97
5.5.290.0030.05017.95
5.5.280.0030.04018.08
5.5.270.0070.03717.93
5.5.260.0030.04017.93
5.5.250.0000.04317.80
5.5.240.0070.03317.47
5.5.230.0000.04017.40
5.5.220.0070.04317.36
5.5.210.0030.03717.46
5.5.200.0030.03717.29
5.5.190.0000.04017.30
5.5.180.0030.03717.29
5.5.160.0070.03317.30
5.5.150.0000.04317.28
5.5.140.0070.04017.40
5.5.130.0200.06017.42
5.5.120.0170.05317.39
5.5.110.0100.08017.36
5.5.100.0130.07317.18
5.5.90.0030.05317.29
5.5.80.0170.06017.17
5.5.70.0070.03717.17
5.5.60.0070.07317.20
5.5.50.0200.06017.29
5.5.40.0070.06317.27
5.5.30.0030.04017.22
5.5.20.0030.05317.17
5.5.10.0130.07017.23
5.5.00.0030.08317.32
5.4.450.0000.04019.43
5.4.440.0030.03719.40
5.4.430.0100.03019.41
5.4.420.0030.04019.21
5.4.410.0070.03319.24
5.4.400.0130.02719.09
5.4.390.0070.03719.05
5.4.380.0030.03719.09
5.4.370.0000.04018.95
5.4.360.0030.03719.09
5.4.350.0030.03719.02
5.4.340.0000.04319.27
5.4.320.0000.04018.95
5.4.310.0000.04019.01
5.4.300.0100.05019.01
5.4.290.0070.06018.89
5.4.280.0130.07019.02
5.4.270.0070.07319.05
5.4.260.0070.08719.09
5.4.250.0070.08018.98
5.4.240.0100.07719.00
5.4.230.0000.04719.27
5.4.220.0000.08719.00
5.4.210.0100.06319.27
5.4.200.0030.06718.88
5.4.190.0070.07319.05
5.4.180.0030.04019.04
5.4.170.0100.03319.04
5.4.160.0130.05019.01
5.4.150.0030.08019.25
5.4.140.0030.07716.42
5.4.130.0070.05716.40
5.4.120.0070.07016.59
5.4.110.0100.03016.46
5.4.100.0070.03316.46
5.4.90.0030.05016.26
5.4.80.0030.04316.40
5.4.70.0070.05016.38
5.4.60.0000.05316.30
5.4.50.0070.06716.53
5.4.40.0070.07716.45
5.4.30.0130.05316.55
5.4.20.0000.04016.37
5.4.10.0070.05716.27
5.4.00.0070.07015.84
5.3.290.0100.03314.73
5.3.280.0000.04314.64
5.3.270.0070.04014.83
5.3.260.0030.05714.57
5.3.250.0070.05714.71
5.3.240.0030.08014.83
5.3.230.0000.08314.69
5.3.220.0070.04014.59
5.3.210.0070.03314.63
5.3.200.0000.04014.44
5.3.190.0000.04014.63
5.3.180.0070.07714.54
5.3.170.0030.03714.60
5.3.160.0100.04014.42
5.3.150.0070.04714.59
5.3.140.0130.07014.61
5.3.130.0130.06014.60
5.3.120.0070.04014.41
5.3.110.0030.08314.62
5.3.100.0070.07314.00
5.3.90.0230.03314.06
5.3.80.0030.05313.92
5.3.70.0070.04714.04
5.3.60.0070.04714.06
5.3.50.0070.03714.02
5.3.40.0070.03714.17
5.3.30.0030.05013.98
5.3.20.0070.04313.70
5.3.10.0070.06713.70
5.3.00.0070.04713.70
5.2.170.0000.03311.20
5.2.160.0000.05011.36
5.2.150.0030.06311.15
5.2.140.0070.05011.36
5.2.130.0070.05311.17
5.2.120.0170.05311.15
5.2.110.0100.04311.18
5.2.100.0070.06311.13
5.2.90.0130.04311.15
5.2.80.0000.06711.11
5.2.70.0100.06010.95
5.2.60.0130.05710.95
5.2.50.0030.03711.05
5.2.40.0030.03011.10
5.2.30.0030.05011.01
5.2.20.0030.05710.95
5.2.10.0070.04710.83
5.2.00.0070.04310.69
5.1.60.0030.05310.07
5.1.50.0000.0509.99
5.1.40.0030.0339.92
5.1.30.0030.03710.40
5.1.20.0070.06010.41
5.1.10.0030.06010.15
5.1.00.0100.03310.28
5.0.50.0030.0478.38
5.0.40.0070.0408.39
5.0.30.0070.0608.27
5.0.20.0070.0438.19
5.0.10.0070.0438.16
5.0.00.0100.0608.00
4.4.90.0000.0277.84
4.4.80.0030.0337.84
4.4.70.0070.0307.84
4.4.60.0070.0237.84
4.4.50.0030.0307.84
4.4.40.0000.0277.84
4.4.30.0030.0337.84
4.4.20.0030.0377.84
4.4.10.0030.0207.84
4.4.00.0000.0607.84
4.3.110.0070.0337.84
4.3.100.0070.0337.84
4.3.90.0070.0307.84
4.3.80.0000.0437.84
4.3.70.0070.0337.84
4.3.60.0070.0277.84
4.3.50.0000.0307.84
4.3.40.0100.0437.84
4.3.30.0030.0207.84
4.3.20.0030.0307.84
4.3.10.0030.0277.84
4.3.00.0070.0307.84

preferences:
37.59 ms | 400 KiB | 5 Q