3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { protected $a = 10; protected $c;} class b { protected $b; public function setA($a){$this->b = $a;return $this;}} $q = (new b)->setA(new a); var_dump(unserialize(serialize($q), [true]));

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)
8.3.60.0120.00916.75
8.3.50.0100.00922.12
8.3.40.0090.00918.71
8.3.30.0070.00718.35
8.3.20.0070.00020.33
8.3.10.0040.00423.51
8.3.00.0080.00019.70
8.2.180.0120.00616.32
8.2.170.0070.00722.96
8.2.160.0120.00620.27
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0030.00619.30
8.2.120.0040.00426.35
8.2.110.0060.00319.38
8.2.100.0060.00617.72
8.2.90.0000.00819.10
8.2.80.0080.00017.97
8.2.70.0000.00817.38
8.2.60.0000.00817.90
8.2.50.0030.00518.10
8.2.40.0040.00422.34
8.2.30.0000.00820.61
8.2.20.0000.00717.55
8.2.10.0000.00917.91
8.2.00.0030.00617.91
8.1.280.0110.00425.92
8.1.270.0000.00720.43
8.1.260.0040.00428.09
8.1.250.0000.00728.09
8.1.240.0040.00422.67
8.1.230.0000.01117.70
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0060.00317.35
8.1.190.0000.00817.22
8.1.180.0000.00818.10
8.1.170.0040.00418.59
8.1.160.0080.00020.61
8.1.150.0000.00718.82
8.1.140.0040.00419.51
8.1.130.0000.00717.67
8.1.120.0000.00817.28
8.1.110.0040.00417.46
8.1.100.0000.00817.36
8.1.90.0000.00817.30
8.1.80.0000.00917.29
8.1.70.0040.00417.25
8.1.60.0080.00017.57
8.1.50.0050.00317.54
8.1.40.0030.00517.39
8.1.30.0040.00417.64
8.1.20.0040.00417.65
8.1.10.0080.00017.41
8.1.00.0040.00417.46
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0070.00018.43
8.0.270.0070.00017.07
8.0.260.0000.00817.12
8.0.250.0000.00716.86
8.0.240.0000.00716.93
8.0.230.0030.00316.83
8.0.220.0000.00716.79
8.0.210.0030.00316.91
8.0.200.0000.00616.84
8.0.190.0050.00316.95
8.0.180.0000.00816.89
8.0.170.0090.00016.96
8.0.160.0030.00316.85
8.0.150.0030.00516.80
8.0.140.0040.00416.81
8.0.130.0060.00013.36
8.0.120.0020.00516.84
8.0.110.0030.00516.84
8.0.100.0000.00716.71
8.0.90.0000.00716.70
8.0.80.0030.01316.84
8.0.70.0080.00016.87
8.0.60.0040.00416.76
8.0.50.0030.00516.78
8.0.30.0070.01017.06
8.0.20.0110.00717.40
8.0.10.0000.00716.81
8.0.00.0100.00816.79
7.4.330.0020.00216.73
7.4.320.0030.00316.44
7.4.300.0000.00616.61
7.4.290.0070.00016.63
7.4.280.0000.00816.53
7.4.270.0030.00316.59
7.4.260.0040.00416.58
7.4.250.0040.00416.56
7.4.240.0030.00516.55
7.4.230.0050.00316.41
7.4.220.0150.00616.59
7.4.210.0140.00616.61
7.4.200.0030.00316.40
7.4.160.0100.00616.49
7.4.150.0070.01417.40
7.4.140.0100.01217.86
7.4.130.0090.00916.59
7.4.120.0130.01016.52
7.4.110.0040.01316.45
7.4.100.0090.00916.33
7.4.90.0070.01016.54
7.4.80.0130.00919.39
7.4.70.0080.00816.45
7.4.60.0060.01016.57
7.4.50.0080.00616.58
7.4.40.0130.00316.53
7.4.30.0090.01316.43
7.4.00.0120.00315.06
7.3.330.0000.00813.23
7.3.320.0000.00513.27
7.3.310.0000.00716.21
7.3.300.0070.00016.22
7.3.290.0080.00916.25
7.3.280.0060.01016.21
7.3.270.0060.01217.40
7.3.260.0090.01516.30
7.3.250.0120.00716.41
7.3.240.0050.01716.34
7.3.230.0150.00416.43
7.3.210.0030.01316.53
7.3.200.0090.00916.37
7.3.190.0160.00016.62
7.3.180.0040.01216.36
7.3.170.0130.01016.40
7.3.160.0060.00916.28
7.2.330.0070.01016.47
7.2.320.0030.02016.59
7.2.310.0130.00916.51
7.2.300.0190.00316.50
7.2.290.0100.00616.70
7.2.60.0100.00616.76
7.2.00.0070.01119.00
7.1.200.0000.01215.62
7.1.100.0030.00718.22
7.1.70.0050.00317.17
7.1.60.0110.01419.52
7.1.50.0200.01734.93
7.1.00.0130.06322.36
7.0.200.0340.01014.99
7.0.60.0070.08319.79
7.0.50.0030.05317.86
7.0.40.0170.06720.03
7.0.30.0370.06320.21
7.0.20.0300.08020.08
7.0.10.0070.04320.15
7.0.00.0170.04320.16
5.6.280.0000.03321.01
5.6.210.0070.04020.53
5.6.200.0000.08018.28
5.6.190.0000.08320.42
5.6.180.0370.08020.33
5.6.170.0300.06320.41
5.6.160.0100.03320.55
5.6.150.0030.09018.15
5.6.140.0070.08018.18
5.6.130.0100.03718.22
5.6.120.0130.08020.98
5.6.110.0100.07021.14
5.6.100.0070.08020.97
5.6.90.0070.08721.01
5.6.80.0070.03720.38
5.5.350.0130.03720.41
5.5.340.0070.07318.09
5.5.330.0170.07720.23
5.5.320.0600.06720.34
5.5.310.0270.07720.35
5.5.300.0100.07718.04
5.5.290.0000.08718.09
5.5.280.0130.08020.85
5.5.270.0070.05320.80
5.5.260.0030.06320.86
5.5.250.0130.06320.70
5.5.240.0230.06020.35

preferences:
56.58 ms | 401 KiB | 5 Q