3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public int $a; public function __construct(int $a = 1) { $this->a = $a; } } class B extends A { public string $b; public function __construct(string $b = 'hello') { $this->b = $b; } } $b = new B(); $b->a=1; var_dump($b->a, $b->b);

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)
8.3.60.0000.01418.31
8.3.50.0060.01216.29
8.3.40.0110.00718.84
8.3.30.0120.00618.57
8.3.20.0080.00024.18
8.3.10.0080.00024.66
8.3.00.0040.00426.16
8.2.180.0140.00725.92
8.2.170.0070.00718.95
8.2.160.0030.01022.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00226.35
8.2.110.0070.00322.16
8.2.100.0140.00018.20
8.2.90.0000.00819.07
8.2.80.0030.00617.97
8.2.70.0030.00617.63
8.2.60.0060.00317.93
8.2.50.0000.00818.07
8.2.40.0090.00017.96
8.2.30.0040.00418.00
8.2.20.0070.00018.03
8.2.10.0040.00419.18
8.2.00.0040.00419.10
8.1.280.0100.00325.92
8.1.270.0000.00923.99
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0030.00620.93
8.1.230.0060.00622.68
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0070.00317.35
8.1.190.0000.00817.24
8.1.180.0080.00018.10
8.1.170.0030.00620.30
8.1.160.0110.00018.86
8.1.150.0060.00318.82
8.1.140.0000.00818.82
8.1.130.0000.00720.06
8.1.120.0060.00317.36
8.1.110.0000.00717.35
8.1.100.0000.00717.34
8.1.90.0000.00717.39
8.1.80.0030.00817.39
8.1.70.0000.00717.35
8.1.60.0040.00417.59
8.1.50.0000.00817.55
8.1.40.0000.00817.46
8.1.30.0070.00317.50
8.1.20.0030.00517.59
8.1.10.0040.00417.54
8.1.00.0000.00917.31
8.0.300.0040.00419.52
8.0.290.0080.00016.63
8.0.280.0000.00820.05
8.0.270.0030.00317.95
8.0.260.0060.00018.37
8.0.250.0030.00316.78
8.0.240.0070.00016.89
8.0.230.0030.00316.90
8.0.220.0000.00816.82
8.0.210.0040.00416.75
8.0.200.0000.00716.88
8.0.190.0000.00716.86
8.0.180.0030.00516.80
8.0.170.0000.00816.76
8.0.160.0040.00416.78
8.0.150.0030.00616.66
8.0.140.0040.00416.68
8.0.130.0000.00613.26
8.0.120.0000.00716.88
8.0.110.0000.00916.71
8.0.100.0000.00716.87
8.0.90.0040.00416.64
8.0.80.0070.00916.76
8.0.70.0040.00416.73
8.0.60.0000.00716.71
8.0.50.0040.00416.77
8.0.30.0130.00317.07
8.0.20.0140.00917.04
8.0.10.0000.00716.92
8.0.00.0140.00616.46
7.4.330.0070.00015.55
7.4.320.0000.00716.57
7.4.300.0030.00316.48
7.4.290.0050.00216.54
7.4.280.0000.00716.43
7.4.270.0040.00416.59
7.4.260.0020.00213.17
7.4.250.0030.00316.55
7.4.240.0000.00716.50
7.4.230.0070.00016.68
7.4.220.0020.00516.51
7.4.210.0080.00816.56
7.4.200.0030.00316.38
7.4.130.0100.00716.60
7.4.120.0070.01516.51
7.4.110.0090.00916.65
7.4.100.0090.01216.39
7.4.90.0120.00616.27
7.4.80.0110.01416.57
7.4.70.0110.01116.09
7.4.60.0110.00716.46
7.4.50.0060.01216.29
7.4.40.0190.00316.26
7.4.30.0160.00416.27
7.4.20.0030.01316.39
7.4.10.0060.01216.16
7.4.00.0220.00016.36
7.3.330.0040.00416.00
7.3.320.0030.00313.07
7.3.310.0000.00816.17
7.3.300.0000.00716.21
7.3.290.0040.01016.14
7.3.280.0060.00815.97
7.3.260.0070.01116.12
7.3.240.0090.00716.16
7.3.230.0070.01016.34
7.3.210.0080.01216.11
7.3.200.0160.00816.23
7.3.190.0070.01016.26
7.3.180.0070.01016.33
7.3.170.0150.00916.07
7.3.160.0120.00916.21
7.3.150.0140.00316.11
7.3.140.0110.00516.31
7.3.130.0080.00816.19
7.3.120.0070.01016.16
7.3.110.0090.01116.11
7.3.100.0150.00616.06
7.3.90.0130.00316.12
7.3.80.0100.00715.98
7.3.70.0060.01216.17
7.3.60.0180.00315.92
7.3.50.0060.01616.13
7.3.40.0060.01315.96
7.3.30.0110.01116.23
7.3.20.0150.00916.13
7.3.10.0060.01216.25
7.3.00.0110.00715.91
7.2.330.0150.00716.28
7.2.320.0130.00416.19
7.2.310.0000.01716.27
7.2.300.0150.00716.16
7.2.290.0100.01016.03
7.2.280.0110.00716.27
7.2.270.0090.01216.38
7.2.260.0030.01416.45
7.2.250.0140.00316.13
7.2.240.0140.00316.31
7.2.230.0090.01216.05
7.2.220.0090.00916.28
7.2.210.0090.01216.12
7.2.200.0170.00716.37
7.2.190.0130.01316.23
7.2.180.0000.02316.34
7.2.170.0060.01016.07
7.2.160.0110.01116.02
7.2.150.1050.00916.27
7.2.140.0100.01016.19
7.2.130.0100.00716.35
7.2.120.0120.00716.59
7.2.110.0070.01116.15
7.2.100.0060.01216.41
7.2.90.0090.00916.32
7.2.80.0120.00616.40
7.2.70.0070.01716.50
7.2.60.0060.01316.47
7.2.50.0090.01116.24
7.2.40.0230.00016.38
7.2.30.0160.00316.61
7.2.20.0130.00516.20
7.2.10.0040.01416.40
7.2.00.0000.01816.38

preferences:
35.13 ms | 400 KiB | 5 Q