3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyParent { protected $x = "parent"; public function __construct() { $this->x = "parent - construct"; } } class MyChild extends MyParent { protected $x = "child"; public function __construct() { var_dump($this->x); $this->x = "child - construct"; var_dump($this->x); $closure = function () { var_dump($this->x); }; $closure = $closure->bindTo($this, parent::class); $closure(); } } new MyChild;

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)
8.3.70.0130.00318.31
8.3.60.0120.00916.50
8.3.50.0100.00716.53
8.3.40.0040.01118.85
8.3.30.0110.00418.59
8.3.20.0080.00020.33
8.3.10.0040.00421.92
8.3.00.0080.00023.51
8.2.190.0140.00716.63
8.2.180.0170.00316.63
8.2.170.0110.00422.96
8.2.160.0070.00719.22
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00019.21
8.2.120.0040.00426.35
8.2.110.0060.00322.02
8.2.100.0040.00817.85
8.2.90.0080.00018.28
8.2.80.0000.00917.97
8.2.70.0030.00617.63
8.2.60.0000.00817.79
8.2.50.0040.00418.10
8.2.40.0080.00020.50
8.2.30.0070.00019.32
8.2.20.0090.00018.07
8.2.10.0000.00717.95
8.2.00.0000.00717.96
8.1.280.0070.01125.92
8.1.270.0050.00322.18
8.1.260.0090.00026.35
8.1.250.0060.00328.09
8.1.240.0030.00622.19
8.1.230.0090.00320.84
8.1.220.0080.00017.74
8.1.210.0060.00318.79
8.1.200.0060.00317.35
8.1.190.0000.00817.22
8.1.180.0030.00518.10
8.1.170.0030.00618.50
8.1.160.0000.00718.91
8.1.150.0050.00220.12
8.1.140.0000.00719.60
8.1.130.0030.00318.95
8.1.120.0040.00417.49
8.1.110.0080.00017.41
8.1.100.0000.00917.44
8.1.90.0000.00817.36
8.1.80.0000.00717.51
8.1.70.0030.00317.39
8.1.60.0040.00417.50
8.1.50.0030.00517.43
8.1.40.0000.00917.56
8.1.30.0060.00317.50
8.1.20.0030.00617.60
8.1.10.0030.00617.46
8.1.00.0000.00817.49
8.0.300.0080.00020.08
8.0.290.0040.00416.58
8.0.280.0000.00718.38
8.0.270.0040.00417.24
8.0.260.0030.00318.70
8.0.250.0070.00016.78
8.0.240.0060.00416.94
8.0.230.0030.00316.77
8.0.220.0040.00416.85
8.0.210.0000.00716.87
8.0.200.0000.00716.98
8.0.190.0040.00416.88
8.0.180.0030.00616.79
8.0.170.0030.00316.88
8.0.160.0030.00516.95
8.0.150.0000.00916.79
8.0.140.0040.00416.87
8.0.130.0090.00013.28
8.0.120.0040.00416.81
8.0.110.0040.00416.87
8.0.100.0040.00416.88
8.0.90.0000.00716.75
8.0.80.0000.01616.86
8.0.70.0040.00416.76
8.0.60.0000.00816.74
8.0.50.0000.00716.85
8.0.30.0130.00717.01
8.0.20.0080.01217.40
8.0.10.0040.00416.88
8.0.00.0100.00716.67
7.4.330.0050.00015.55
7.4.320.0060.00016.56
7.4.300.0060.00016.59
7.4.290.0030.00616.63
7.4.280.0070.00016.60
7.4.270.0070.00016.50
7.4.260.0040.00416.52
7.4.250.0050.00216.36
7.4.240.0000.00716.61
7.4.230.0040.00316.39
7.4.220.0100.00716.54
7.4.210.0110.00316.57
7.4.200.0030.00316.30
7.4.160.0060.01016.50
7.4.150.0120.00617.40
7.4.140.0080.01217.86
7.4.130.0060.01216.55
7.4.120.0110.00816.51
7.4.110.0100.00716.67
7.4.100.0070.01716.45
7.4.90.0030.01316.48
7.4.80.0100.01019.39
7.4.70.0060.01316.29
7.4.60.0150.00016.46
7.4.50.0070.00716.54
7.4.40.0030.01616.39
7.4.30.0080.00816.49
7.4.00.0070.00714.96
7.3.330.0020.00213.17
7.3.320.0060.00013.16
7.3.310.0040.00416.12
7.3.300.0000.00716.32
7.3.290.0090.01116.28
7.3.280.0070.01116.30
7.3.270.0090.00917.40
7.3.260.0090.00816.38
7.3.250.0110.00716.43
7.3.240.0090.00916.34
7.3.230.0140.00216.41
7.3.210.0110.00716.36
7.3.200.0140.00316.62
7.3.190.0030.01316.32
7.3.180.0120.00816.21
7.3.170.0120.00416.52
7.3.160.0120.01216.43
7.2.330.0110.00716.65
7.2.320.0070.01116.73
7.2.310.0070.01016.77
7.2.300.0070.01116.68
7.2.290.0120.00316.64
7.2.60.0110.00416.59
7.1.200.0000.00815.77
7.1.90.0030.01018.09
7.1.80.0130.00017.84
7.1.70.0060.00917.09
7.1.60.0100.01435.18
7.1.50.0070.01734.59
7.1.40.0220.01134.36
7.1.30.0140.01434.45
7.1.20.0140.01034.55
7.1.10.0060.00616.58
7.1.00.0080.00416.63
7.0.230.0060.00617.66
7.0.220.0080.00917.67
7.0.210.0030.00916.50
7.0.200.0060.00616.77
7.0.190.0030.01016.67
7.0.180.0060.01016.06
7.0.170.0060.00616.20
7.0.160.0090.00316.22
7.0.150.0090.00316.43
7.0.140.0030.00916.27
7.0.130.0000.01216.60
7.0.120.0040.00816.68
7.0.110.0060.00616.18
7.0.100.0030.00916.36
7.0.90.0000.01216.19
7.0.80.0000.01316.06
7.0.70.0060.00616.31
7.0.60.0030.00916.21
7.0.50.0120.00416.21
7.0.40.0080.00516.43
7.0.30.0130.00016.59
7.0.20.0060.00616.42
7.0.10.0030.01016.23
7.0.00.0070.01016.18

preferences:
45.8 ms | 401 KiB | 5 Q