3v4l.org

run code in 300+ PHP versions simultaneously
<?php class container { protected $storage=array(); public function add(test1 $obj) { if(!isset($this->storage[spl_object_hash($obj)])) { $this->storage[spl_object_hash($obj)]=$obj; } } } class test1 { public function __construct($s) { } } $o=new container(); $o->add(new test1("lalala")); // will be added $o->add(new test1("lololo")); // not added - NOT as expected var_dump(spl_object_hash(new test1('1'))); var_dump(spl_object_hash(new test1('2'))); $t=new test1("lalala"); $o=new container(); $o->add($t); // will be added $o->add($t); // not added - as expected var_dump($o);

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)
8.3.60.0190.00018.55
8.3.50.0100.00821.98
8.3.40.0090.00918.93
8.3.30.0170.00018.52
8.3.20.0080.00018.91
8.3.10.0050.00321.04
8.3.00.0030.00721.73
8.2.180.0040.01116.50
8.2.170.0130.00722.96
8.2.160.0070.00720.35
8.2.150.0000.00824.18
8.2.140.0000.00724.66
8.2.130.0050.00326.16
8.2.120.0030.00621.11
8.2.110.0060.00319.21
8.2.100.0070.00418.22
8.2.90.0080.00019.22
8.2.80.0050.00317.97
8.2.70.0030.00517.50
8.2.60.0040.00417.80
8.2.50.0070.00418.07
8.2.40.0050.00318.22
8.2.30.0040.00421.20
8.2.20.0040.00417.61
8.2.10.0050.00217.63
8.2.00.0000.00717.70
8.1.280.0100.01025.92
8.1.270.0070.00023.99
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00323.86
8.1.230.0100.00020.44
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00717.38
8.1.190.0000.00717.53
8.1.180.0050.00318.10
8.1.170.0080.00018.59
8.1.160.0050.00318.82
8.1.150.0000.00818.75
8.1.140.0000.00717.52
8.1.130.0000.00717.73
8.1.120.0000.01017.40
8.1.110.0050.00217.46
8.1.100.0040.00417.48
8.1.90.0000.00717.48
8.1.80.0040.00417.48
8.1.70.0000.00717.47
8.1.60.0080.00017.57
8.1.50.0000.00817.52
8.1.40.0050.00317.45
8.1.30.0000.00717.59
8.1.20.0040.00417.52
8.1.10.0040.00417.58
8.1.00.0040.00417.41
8.0.300.0000.00818.77
8.0.290.0030.00617.18
8.0.280.0000.00818.52
8.0.270.0040.00416.88
8.0.260.0030.00316.94
8.0.250.0050.00316.91
8.0.240.0040.00616.93
8.0.230.0000.00716.96
8.0.220.0030.00516.88
8.0.210.0000.00716.90
8.0.200.0000.00616.98
8.0.190.0070.00017.07
8.0.180.0040.00417.02
8.0.170.0070.00016.96
8.0.160.0080.00016.88
8.0.150.0040.00416.93
8.0.140.0070.00016.91
8.0.130.0030.00313.39
8.0.120.0060.00316.84
8.0.110.0040.00416.97
8.0.100.0000.00717.00
8.0.90.0030.00516.76
8.0.80.0030.01216.96
8.0.70.0000.00916.89
8.0.60.0050.00216.86
8.0.50.0040.00416.86
8.0.30.0120.00717.11
8.0.20.0090.01417.40
8.0.10.0030.00516.97
8.0.00.0100.00916.67
7.4.330.0030.00314.66
7.4.320.0000.00616.50
7.4.300.0070.00016.61
7.4.290.0080.00016.53
7.4.280.0040.00316.51
7.4.270.0000.00716.61
7.4.260.0030.00313.30
7.4.250.0040.00416.55
7.4.240.0080.00016.50
7.4.230.0000.00716.46
7.4.220.0160.00316.59
7.4.210.0080.00916.60
7.4.200.0050.00216.62
7.4.190.0030.00316.52
7.4.160.0030.01216.39
7.4.150.0130.00417.40
7.4.140.0090.01017.86
7.4.130.0110.00616.57
7.4.120.0030.01516.50
7.4.110.0110.00716.43
7.4.100.0100.00816.48
7.4.90.0090.00916.56
7.4.80.0140.00319.39
7.4.70.0090.00916.65
7.4.60.0100.00716.50
7.4.50.0060.00316.42
7.4.40.0090.00322.52
7.4.30.0060.00916.52
7.4.00.0030.01015.18
7.3.330.0050.00013.24
7.3.320.0000.00513.26
7.3.310.0000.00716.36
7.3.300.0030.00316.23
7.3.290.0070.01116.36
7.3.280.0090.01016.33
7.3.270.0090.00917.40
7.3.260.0140.00718.24
7.3.250.0090.01016.43
7.3.240.0110.00616.54
7.3.230.0030.02016.39
7.3.210.0060.01216.41
7.3.200.0000.01819.39
7.3.190.0070.01016.45
7.3.180.0100.00716.45
7.3.170.0040.01116.51
7.3.160.0120.00316.42
7.3.120.0140.00314.83
7.3.10.0090.00316.28
7.3.00.0140.00616.47
7.2.330.0090.00916.55
7.2.320.0100.00716.36
7.2.310.0140.00716.79
7.2.300.0080.00916.85
7.2.290.0120.00616.54
7.2.130.0130.00616.62
7.2.120.0120.00316.42
7.2.110.0130.00716.49
7.2.100.0110.01116.36
7.2.90.0140.00716.20
7.2.80.0170.00816.01
7.2.70.0240.00016.44
7.2.60.0070.00916.65
7.2.50.0140.00716.04
7.2.40.0190.01016.02
7.2.30.0120.01215.84
7.2.20.0130.01015.78
7.2.10.0220.00416.46
7.2.00.0100.00818.06
7.1.250.0130.00915.27
7.1.200.0100.00315.70
7.1.100.0060.00618.24
7.1.70.0030.00717.30
7.1.60.0100.01319.40
7.1.50.0090.00917.02
7.1.00.0070.07022.46
7.0.200.0000.00716.80
7.0.140.0000.07722.00
7.0.110.0330.08319.92
7.0.100.0470.07019.96
7.0.90.0600.05719.93
7.0.80.0570.08319.96
7.0.70.0570.08719.89
7.0.60.0730.06019.90
7.0.50.0700.08020.30
7.0.40.0170.07019.96
7.0.30.0130.07320.17
7.0.20.0030.09020.28
7.0.10.0000.09020.03
7.0.00.0000.09020.05
5.6.280.0070.06721.11
5.6.260.0030.05320.67
5.6.250.0000.04720.65
5.6.240.0030.08320.53
5.6.230.0130.07320.65
5.6.220.0000.07020.57
5.6.210.0030.08320.48
5.6.200.0070.08321.20
5.6.190.0070.08721.23
5.6.180.0200.07721.00
5.6.170.0100.08721.09
5.6.160.0130.04721.10
5.6.150.0130.07721.03
5.6.140.0100.08321.05
5.6.130.0100.08721.27
5.6.120.0070.08720.96
5.6.110.0070.08721.28
5.6.100.0070.09021.02
5.6.90.0130.07721.20
5.6.80.0170.07020.37
5.6.70.0130.07020.46
5.6.60.0170.06720.40
5.6.50.0100.07020.53
5.6.40.0170.07020.41
5.6.30.0030.08720.50
5.6.20.0100.07020.50
5.6.10.0130.07320.38
5.6.00.0100.08020.63
5.5.380.0130.07720.50
5.5.370.0100.07020.50
5.5.360.0100.05020.52
5.5.350.0030.08720.36
5.5.340.0100.08020.82
5.5.330.0030.08320.82
5.5.320.0200.06321.05
5.5.310.0170.07320.80
5.5.300.0100.05320.77
5.5.290.0100.08020.82
5.5.280.0200.07320.88
5.5.270.0100.08320.98
5.5.260.0070.07720.70
5.5.250.0170.07320.52
5.5.240.0070.08320.38
5.5.230.0070.07020.29
5.5.220.0100.07020.25
5.5.210.0200.05020.29
5.5.200.0070.08020.11
5.5.190.0100.06320.16
5.5.180.0100.08020.32
5.5.160.0100.07320.26
5.5.150.0070.07720.21
5.5.140.0130.07720.34
5.5.130.0070.08020.15
5.5.120.0070.05020.22
5.5.110.0130.07020.25
5.5.100.0030.07720.24
5.5.90.0100.07719.97
5.5.80.0030.07320.25
5.5.70.0130.07320.25
5.5.60.0030.04020.18
5.5.50.0030.05720.24
5.5.40.0100.07720.26
5.5.30.0130.07720.12
5.5.20.0170.06020.21
5.5.10.0100.04320.18
5.5.00.0230.07020.21
5.4.450.0100.07319.47
5.4.440.0130.06719.52
5.4.430.0070.07719.63
5.4.420.0070.05019.31
5.4.410.0130.07319.51
5.4.400.0100.07019.02
5.4.390.0030.07318.99
5.4.380.0030.07319.02
5.4.370.0030.08318.99
5.4.360.0200.05719.18
5.4.350.0070.06718.95
5.4.340.0070.07319.31
5.4.320.0100.08019.34
5.4.310.0130.06319.25
5.4.300.0070.07019.30
5.4.290.0100.07019.09
5.4.280.0000.08318.98
5.4.270.0070.04319.18
5.4.260.0100.07319.18
5.4.250.0070.07719.16
5.4.240.0100.05318.98
5.4.230.0030.07719.18
5.4.220.0070.07719.08
5.4.210.0130.06719.09
5.4.200.0070.07319.22
5.4.190.0100.07319.02
5.4.180.0130.07319.15
5.4.170.0000.05319.32
5.4.160.0070.07318.98
5.4.150.0100.07718.98
5.4.140.0070.07316.52
5.4.130.0070.07016.64
5.4.120.0070.06316.58
5.4.110.0100.03716.41
5.4.100.0030.06016.42
5.4.90.0100.07016.48
5.4.80.0200.05016.30
5.4.70.0030.07716.51
5.4.60.0130.04716.33
5.4.50.0200.06016.60
5.4.40.0230.05716.46
5.4.30.0130.06016.39
5.4.20.0070.07316.55
5.4.10.0030.06316.43
5.4.00.0100.06715.82
5.3.290.0000.08314.90
5.3.280.0030.04714.65
5.3.270.0030.08014.75
5.3.260.0100.07314.64
5.3.250.0000.08014.64
5.3.240.0030.07314.61
5.3.230.0070.06014.59
5.3.220.0170.06714.70
5.3.210.0100.07714.58
5.3.200.0070.07314.61
5.3.190.0130.06714.57
5.3.180.0070.07714.43
5.3.170.0100.06714.71
5.3.160.0130.07014.54
5.3.150.0070.07314.58
5.3.140.0100.06714.56
5.3.130.0030.08014.56
5.3.120.0070.08014.68
5.3.110.0070.08014.56
5.3.100.0130.07014.17
5.3.90.0030.07314.15
5.3.80.0000.08014.04
5.3.70.0130.07013.99
5.3.60.0100.04314.14
5.3.50.0070.07313.98
5.3.40.0030.06314.04
5.3.30.0070.07014.14
5.3.20.0070.06313.84
5.3.10.0070.05713.61
5.3.00.0070.07713.65
5.2.170.0030.06711.70
5.2.160.0070.06311.70
5.2.150.0130.05711.70
5.2.140.0030.06711.70
5.2.130.0030.06311.70
5.2.120.0070.05711.70
5.2.110.0100.05711.70
5.2.100.0070.06011.70
5.2.90.0030.06311.70
5.2.80.0070.06011.70
5.2.70.0070.06311.70
5.2.60.0070.06011.70
5.2.50.0000.06011.70
5.2.40.0070.05711.70
5.2.30.0030.06011.70
5.2.20.0000.06311.70
5.2.10.0000.05011.70
5.2.00.0030.06711.70
5.1.60.0070.04711.70
5.1.50.0000.04011.70
5.1.40.0000.03711.70
5.1.30.0100.05311.70
5.1.20.0100.05311.70
5.1.10.0000.06011.70
5.1.00.0100.04711.70
5.0.50.0000.05311.70
5.0.40.0030.04711.70
5.0.30.0030.06311.70
5.0.20.0070.03311.70
5.0.10.0030.03311.70
5.0.00.0000.05711.70
4.4.90.0030.02711.70
4.4.80.0000.03011.70
4.4.70.0070.03311.70
4.4.60.0000.03711.70
4.4.50.0000.03711.70
4.4.40.0000.05011.70
4.4.30.0030.03311.70
4.4.20.0000.03711.70
4.4.10.0000.03711.70
4.4.00.0070.05011.70
4.3.110.0030.03711.70
4.3.100.0070.02711.70
4.3.90.0030.03011.70
4.3.80.0030.02311.70
4.3.70.0070.03011.70
4.3.60.0100.01311.70
4.3.50.0000.03711.70
4.3.40.0070.04711.70
4.3.30.0000.03011.70
4.3.20.0070.03011.70
4.3.10.0100.02711.70
4.3.00.0000.03311.70

preferences:
54.14 ms | 401 KiB | 5 Q