3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $a = 3; protected $b = 4; private $c = 5; } class B extends A { public $a = 9; protected $b = 8; private $c = 7; function doIt() { return $this->a + $this->b + $this->c; } } $b = new B(); echo $b->doIt();

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)
8.3.60.0040.01116.61
8.3.50.0110.00716.39
8.3.40.0040.01118.71
8.3.30.0000.01418.66
8.3.20.0070.00020.04
8.3.10.0060.00321.73
8.3.00.0040.00419.56
8.2.180.0000.01416.50
8.2.170.0040.01122.96
8.2.160.0110.00318.91
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00019.24
8.2.120.0040.00426.35
8.2.110.0090.00022.24
8.2.100.0090.00317.91
8.2.90.0040.00419.14
8.2.80.0000.00818.03
8.2.70.0000.00817.63
8.2.60.0060.00317.80
8.2.50.0030.00518.10
8.2.40.0040.00420.42
8.2.30.0000.00719.17
8.2.20.0000.00718.02
8.2.10.0000.00717.93
8.2.00.0040.00417.86
8.1.280.0110.00925.92
8.1.270.0080.00022.01
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0000.00923.91
8.1.230.0080.00321.90
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0030.00617.23
8.1.180.0050.00318.10
8.1.170.0040.00418.38
8.1.160.0000.00718.96
8.1.150.0000.00718.82
8.1.140.0040.00419.50
8.1.130.0000.00718.83
8.1.120.0000.00817.24
8.1.110.0000.00817.34
8.1.100.0000.00717.34
8.1.90.0000.00817.31
8.1.80.0070.00017.26
8.1.70.0000.00717.29
8.1.60.0090.00317.60
8.1.50.0050.00317.50
8.1.40.0000.00817.43
8.1.30.0000.00817.51
8.1.20.0000.00817.63
8.1.10.0040.00417.55
8.1.00.0050.00217.52
8.0.300.0000.00718.77
8.0.290.0000.00816.75
8.0.280.0030.00518.39
8.0.270.0000.00717.25
8.0.260.0040.00416.80
8.0.250.0030.00316.85
8.0.240.0030.00316.95
8.0.230.0030.00316.75
8.0.220.0030.00316.80
8.0.210.0040.00416.78
8.0.200.0000.00716.90
8.0.190.0030.00616.94
8.0.180.0000.00716.77
8.0.170.0040.00416.75
8.0.160.0000.00816.71
8.0.150.0080.00016.74
8.0.140.0050.00316.84
8.0.130.0030.00313.32
8.0.120.0030.00516.84
8.0.110.0070.00016.63
8.0.100.0050.00216.87
8.0.90.0000.00716.83
8.0.80.0090.00916.74
8.0.70.0000.00816.77
8.0.60.0040.00416.86
8.0.50.0040.00416.85
8.0.30.0070.00916.90
8.0.20.0140.00617.40
8.0.10.0070.00016.96
8.0.00.0060.01016.97
7.4.330.0000.00515.55
7.4.320.0030.00316.45
7.4.300.0000.00716.54
7.4.290.0030.00316.47
7.4.280.0060.00316.59
7.4.270.0070.00016.55
7.4.260.0070.00016.60
7.4.250.0030.00316.51
7.4.240.0000.00816.59
7.4.230.0030.00316.43
7.4.220.0090.01216.56
7.4.210.0000.01416.54
7.4.200.0030.00516.71
7.4.160.0070.00816.55
7.4.150.0030.01617.40
7.4.140.0110.00817.86
7.4.130.0090.01216.57
7.4.120.0080.01216.36
7.4.110.0030.01316.29
7.4.100.0170.01316.50
7.4.90.0100.00716.59
7.4.80.0090.01619.39
7.4.70.0040.01216.33
7.4.60.0030.01316.58
7.4.50.0070.00716.63
7.4.40.0100.01416.49
7.4.30.0190.00416.54
7.4.00.0000.01514.60
7.3.330.0020.00213.37
7.3.320.0000.00513.34
7.3.310.0000.00716.34
7.3.300.0040.00416.27
7.3.290.0110.00616.17
7.3.280.0090.00816.23
7.3.270.0090.00917.40
7.3.260.0170.00216.47
7.3.250.0100.00716.24
7.3.240.0070.01116.24
7.3.230.0150.00616.49
7.3.210.0160.00016.14
7.3.200.0000.01616.21
7.3.190.0060.01116.47
7.3.180.0100.01016.48
7.3.170.0070.01316.43
7.3.160.0090.00616.39
7.3.10.0070.00716.41
7.3.00.0060.01016.49
7.2.330.0080.01116.78
7.2.320.0060.01016.80
7.2.310.0120.00316.74
7.2.300.0030.01316.34
7.2.290.0160.00016.36
7.2.130.0120.00816.58
7.2.120.0100.01916.70
7.2.110.0220.00316.62
7.2.100.0160.00816.77
7.2.90.0180.00516.91
7.2.80.0120.00716.57
7.2.70.0080.01116.68
7.2.60.0070.00816.76
7.2.50.0070.01016.67
7.2.40.0070.00716.84
7.2.30.0060.00617.01
7.2.20.0040.01117.09
7.2.10.0170.01016.77
7.2.00.0050.00917.98
7.1.250.0120.00615.74
7.1.200.0070.00315.75
7.1.100.0090.00618.05
7.1.70.0000.02117.18
7.1.60.0220.01835.15
7.1.50.0130.02734.76
7.1.40.0250.01234.04
7.1.30.0170.02334.36
7.1.20.0240.01534.48
7.1.10.0010.01616.41
7.1.00.0000.01716.59
7.0.200.0030.01316.67
7.0.190.0010.01616.68
7.0.180.0030.01416.29
7.0.170.0000.01816.18
7.0.160.0000.01516.28
7.0.150.0090.01116.19
7.0.140.0120.00516.34
7.0.130.0030.01416.48
7.0.120.0060.01116.38
7.0.110.0000.01716.50
7.0.100.0030.01016.08
7.0.90.0070.00716.23
7.0.80.0070.01016.43
7.0.70.0050.01316.21
7.0.60.0100.00716.02
7.0.50.0080.00616.28
7.0.40.0110.00516.23
7.0.30.0000.01516.43
7.0.20.0060.01016.30
7.0.10.0060.00816.30
7.0.00.0070.00716.30

preferences:
42.22 ms | 400 KiB | 5 Q