3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $val; public function __construct($val) { $this->val = $val; } } $storage = new SplObjectStorage; for($i = 1; $i <= 10; $i++) { $storage->attach(new A($i)); } $iterations = 0; $storage->rewind(); while ($storage->valid()) { $iterations++; $object = $storage->current(); //echo 'Iteration #' . $iterations . ' with object A(' . $object->val . ')'; $storage->next(); if($iterations === 2 || $iterations === 8) { $storage->detach($object); //echo ' - deleted Object A(' . $object->val . ') '; } // echo PHP_EOL; } echo 'Number of iterations: ' . $iterations . PHP_EOL;

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)
8.3.70.0090.00618.59
8.3.60.0140.00016.50
8.3.50.0150.00522.12
8.3.40.0100.00718.75
8.3.30.0110.00419.22
8.3.20.0000.00720.29
8.3.10.0040.00423.61
8.3.00.0050.00322.52
8.2.190.0120.00318.27
8.2.180.0120.00216.38
8.2.170.0040.01122.96
8.2.160.0110.00322.13
8.2.150.0030.00524.18
8.2.140.0050.00324.66
8.2.130.0030.00526.16
8.2.120.0040.00422.25
8.2.110.0090.00020.38
8.2.100.0070.00417.67
8.2.90.0000.00819.05
8.2.80.0090.00017.97
8.2.70.0030.00617.50
8.2.60.0000.00817.80
8.2.50.0060.00318.07
8.2.40.0080.00018.22
8.2.30.0040.00418.02
8.2.20.0030.00617.66
8.2.10.0080.00019.42
8.2.00.0050.00317.65
8.1.280.0130.00725.92
8.1.270.0060.00323.97
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00623.97
8.1.230.0080.00417.52
8.1.220.0060.00317.80
8.1.210.0000.00918.77
8.1.200.0030.00717.35
8.1.190.0050.00317.64
8.1.180.0040.00418.10
8.1.170.0000.00918.51
8.1.160.0030.00522.01
8.1.150.0040.00418.59
8.1.140.0040.00417.44
8.1.130.0000.00717.92
8.1.120.0000.00717.52
8.1.110.0000.00717.52
8.1.100.0030.00317.49
8.1.90.0070.00317.45
8.1.80.0070.00017.54
8.1.70.0070.00017.33
8.1.60.0030.00517.69
8.1.50.0000.00817.57
8.1.40.0000.00817.59
8.1.30.0030.00517.65
8.1.20.0040.00417.65
8.1.10.0060.00317.61
8.1.00.0000.00717.42
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0070.00018.41
8.0.270.0000.00817.31
8.0.260.0000.00716.84
8.0.250.0070.00016.96
8.0.240.0070.00016.96
8.0.230.0050.00316.98
8.0.220.0000.00716.83
8.0.210.0070.00016.82
8.0.200.0070.00016.89
8.0.190.0060.00316.96
8.0.180.0040.00416.84
8.0.170.0040.00416.99
8.0.160.0000.00716.98
8.0.150.0050.00316.95
8.0.140.0040.00416.79
8.0.130.0000.00513.34
8.0.120.0030.00517.00
8.0.110.0030.00516.84
8.0.100.0040.00416.79
8.0.90.0000.00816.78
8.0.80.0060.00916.95
8.0.70.0040.00416.75
8.0.60.0030.00516.83
8.0.50.0040.00416.95
8.0.30.0100.01116.96
8.0.20.0080.01217.40
8.0.10.0000.00717.09
8.0.00.0140.00816.88
7.4.330.0030.00315.14
7.4.320.0030.00316.66
7.4.300.0000.00616.53
7.4.290.0100.00016.53
7.4.280.0000.00716.53
7.4.270.0030.00616.57
7.4.260.0070.00016.61
7.4.250.0000.00816.64
7.4.240.0020.00516.64
7.4.230.0040.00416.73
7.4.220.0120.00616.64
7.4.210.0070.00716.68
7.4.200.0000.00716.64
7.4.190.0030.00316.58
7.4.160.0060.00916.43
7.4.150.0090.01117.40
7.4.140.0100.01117.86
7.4.130.0120.00416.62
7.4.120.0100.00716.65
7.4.110.0030.01516.45
7.4.100.0170.00016.36
7.4.90.0100.00716.70
7.4.80.0180.00019.39
7.4.70.0070.01016.48
7.4.60.0060.00916.38
7.4.50.0040.00416.60
7.4.40.0030.01322.77
7.4.30.0090.00916.61
7.4.00.0040.01214.91
7.3.330.0040.00413.38
7.3.320.0030.00313.36
7.3.310.0070.00016.44
7.3.300.0030.00316.43
7.3.290.0030.01316.39
7.3.280.0060.01216.34
7.3.270.0090.01517.40
7.3.260.0120.00916.54
7.3.250.0110.00716.39
7.3.240.0060.01016.57
7.3.230.0070.01016.67
7.3.210.0100.00716.64
7.3.200.0110.01116.46
7.3.190.0120.00916.68
7.3.180.0100.00716.58
7.3.170.0100.00616.55
7.3.160.0080.00816.66
7.3.120.0060.00614.88
7.2.330.0070.01016.50
7.2.320.0170.01116.65
7.2.310.0120.00616.84
7.2.300.0120.00616.49
7.2.290.0100.01016.66
7.2.60.0000.01317.06
7.2.00.0040.01119.36
7.1.200.0040.00816.01
7.1.100.0040.00818.20
7.1.70.0040.00717.12
7.1.60.0090.00617.15
7.1.50.0230.01034.72
7.1.00.0000.08022.57
7.0.200.0080.00416.69
7.0.140.0000.07021.97
7.0.100.0070.04020.02
7.0.90.0030.04719.90
7.0.80.0100.04719.91
7.0.70.0100.03720.15
7.0.60.0070.04019.94
7.0.50.0030.04320.35
7.0.40.0070.04020.05
7.0.30.0030.05720.16
7.0.20.0070.03720.09
7.0.10.0070.03720.03
7.0.00.0070.05720.13
5.6.250.0000.04020.60
5.6.240.0070.04020.63
5.6.230.0070.05020.51
5.6.220.0000.04320.53
5.6.210.0030.04020.77
5.6.200.0030.04021.00
5.6.190.0030.04321.04
5.6.180.0030.06720.93
5.6.170.0070.08021.00
5.6.160.0070.04021.11
5.6.150.0130.03021.02
5.6.140.0070.03720.92
5.6.130.0030.04720.96
5.6.120.0170.07721.02
5.6.110.0170.08320.95
5.6.100.0070.09021.04
5.6.90.0170.08321.02
5.6.80.0100.07320.40
5.6.70.0100.07720.45
5.6.60.0030.05020.50
5.6.50.0030.04720.40
5.6.40.0100.04720.39
5.6.30.0100.04320.53
5.6.20.0130.07320.39
5.6.10.0130.04020.46
5.6.00.0030.08720.27
5.5.380.0130.05320.35
5.5.370.0070.06320.57
5.5.360.0030.07020.54
5.5.350.0030.04020.39
5.5.340.0030.04020.80
5.5.330.0030.03720.73
5.5.320.0130.03020.83
5.5.310.0030.04320.89
5.5.300.0030.04020.88
5.5.290.0070.04020.93
5.5.280.0030.06020.76
5.5.270.0070.05320.83
5.5.260.0100.08020.82
5.5.250.0030.08720.72
5.5.240.0070.08320.32
5.5.230.0030.05020.18
5.5.220.0100.07020.15
5.5.210.0100.04320.21
5.5.200.0200.06320.09
5.5.190.0100.07720.08
5.5.180.0030.08020.18
5.5.160.0070.07320.18
5.5.150.0030.05720.12
5.5.140.0070.07719.99
5.5.130.0130.07020.18
5.5.120.0100.07720.25
5.5.110.0070.07719.99
5.5.100.0200.07720.11
5.5.90.0030.05020.04
5.5.80.0170.06020.07
5.5.70.0030.05020.04
5.5.60.0130.07020.12
5.5.50.0070.08020.07
5.5.40.0030.04720.05
5.5.30.0070.07320.14
5.5.20.0030.05020.09
5.5.10.0100.07319.98
5.5.00.0000.04720.01
5.4.450.0030.08319.50
5.4.440.0070.05719.37
5.4.430.0030.06019.50
5.4.420.0000.05319.35
5.4.410.0070.08019.29
5.4.400.0070.06719.04
5.4.390.0100.07319.16
5.4.380.0030.08019.20
5.4.370.0000.05019.18
5.4.360.0130.07719.13
5.4.350.0070.07318.85
5.4.340.0030.08719.03
5.4.320.0100.05018.91
5.4.310.0070.08019.10
5.4.300.0070.06019.08
5.4.290.0100.05719.13
5.4.280.0070.08018.89
5.4.270.0030.06019.09
5.4.260.0100.04319.03
5.4.250.0130.07019.17
5.4.240.0130.07019.13
5.4.230.0100.05719.11
5.4.220.0070.07019.17
5.4.210.0030.06319.12
5.4.200.0100.06319.20
5.4.190.0100.07718.89
5.4.180.0100.06718.99
5.4.170.0030.06319.15
5.4.160.0200.06319.20
5.4.150.0170.06319.11
5.4.140.0070.05316.32
5.4.130.0070.07716.44
5.4.120.0070.07716.39
5.4.110.0070.05716.29
5.4.100.0100.06016.39
5.4.90.0070.07316.42
5.4.80.0000.06716.45
5.4.70.0130.07016.35
5.4.60.0070.07316.36
5.4.50.0030.07716.50
5.4.40.0070.07316.41
5.4.30.0030.04316.29
5.4.20.0100.05316.34
5.4.10.0100.07716.41
5.4.00.0100.06715.91
5.3.290.0070.06714.79
5.3.280.0100.04014.59
5.3.270.0100.04714.56
5.3.260.0170.06714.75
5.3.250.0200.03014.75
5.3.240.0030.07714.54
5.3.230.0100.06014.59
5.3.220.0070.04314.71
5.3.210.0070.06314.60
5.3.200.0100.06714.49
5.3.190.0070.07014.56
5.3.180.0100.08314.50
5.3.170.0070.07714.66
5.3.160.0030.07014.55
5.3.150.0000.08314.52
5.3.140.0100.07314.56
5.3.130.0170.06714.62
5.3.120.0070.07314.50
5.3.110.0130.06714.69
5.3.100.0070.07014.13
5.3.90.0030.07713.98
5.3.80.0070.07714.04
5.3.70.0070.07314.08
5.3.60.0030.07314.03
5.3.50.0000.08013.87
5.3.40.0030.07713.95
5.3.30.0000.07014.00
5.3.20.0030.07713.59
5.3.10.0130.06313.71
5.3.00.0200.05713.70
5.2.170.0070.06011.15
5.2.160.0100.05711.20
5.2.150.0070.05311.00
5.2.140.0170.05311.20
5.2.130.0000.05711.04
5.2.120.0030.03011.16
5.2.110.0030.06010.99
5.2.100.0030.06011.20
5.2.90.0100.03711.20
5.2.80.0070.06311.11
5.2.70.0030.06311.11
5.2.60.0030.05710.98
5.2.50.0030.06310.84
5.2.40.0070.06011.00
5.2.30.0100.04710.98
5.2.20.0100.05711.05
5.2.10.0030.03710.77
5.2.00.0000.03010.70
5.1.60.0030.05310.08
5.1.50.0070.0509.96
5.1.40.0070.0409.82
5.1.30.0070.03010.47
5.1.20.0070.03710.27
5.1.10.0070.0539.91
5.1.00.0100.05010.16
5.0.50.0030.0438.59
5.0.40.0070.0378.50
5.0.30.0000.0608.39
5.0.20.0130.0278.39
5.0.10.0030.0438.39
5.0.00.0100.0538.39
4.4.90.0000.0378.39
4.4.80.0030.0308.39
4.4.70.0070.0208.39
4.4.60.0000.0338.39
4.4.50.0030.0378.39
4.4.40.0030.0278.39
4.4.30.0130.0138.39
4.4.20.0000.0378.39
4.4.10.0030.0378.39
4.4.00.0030.0438.39
4.3.110.0030.0378.39
4.3.100.0000.0378.39
4.3.90.0000.0338.39
4.3.80.0070.0478.39
4.3.70.0000.0378.39
4.3.60.0030.0378.39
4.3.50.0030.0338.39
4.3.40.0030.0238.39
4.3.30.0070.0238.39
4.3.20.0000.0378.39
4.3.10.0000.0338.39
4.3.00.0000.0208.39

preferences:
46.89 ms | 401 KiB | 5 Q