3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $c = 0; public function __construct($c) { $this->c = $c; print($this->c); } } class B extends A { public function __construct($c) { parent::__construct($this->c++ > 0 ? $c++ : -1); } } $b = new B(2);

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)
8.3.60.0100.00616.75
8.3.50.0160.00522.77
8.3.40.0070.00718.88
8.3.30.0060.00919.09
8.3.20.0040.00420.29
8.3.10.0050.00323.48
8.3.00.0080.00019.26
8.2.180.0170.00316.38
8.2.170.0120.00322.96
8.2.160.0130.00020.39
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0070.00726.16
8.2.120.0040.00420.96
8.2.110.0080.00421.07
8.2.100.0120.00017.72
8.2.90.0000.00919.47
8.2.80.0080.00017.97
8.2.70.0030.00617.63
8.2.60.0060.00617.80
8.2.50.0070.00218.07
8.2.40.0000.00818.28
8.2.30.0000.00718.13
8.2.20.0000.00717.66
8.2.10.0040.00418.06
8.2.00.0040.00417.55
8.1.280.0140.00325.92
8.1.270.0120.00322.20
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0090.00320.82
8.1.230.0080.00420.93
8.1.220.0000.00817.74
8.1.210.0050.00518.84
8.1.200.0000.00817.23
8.1.190.0040.00417.36
8.1.180.0080.00018.10
8.1.170.0000.00818.54
8.1.160.0000.00721.89
8.1.150.0040.00418.81
8.1.140.0000.00717.43
8.1.130.0030.00317.67
8.1.120.0000.00817.36
8.1.110.0050.00317.43
8.1.100.0000.00717.37
8.1.90.0080.00317.41
8.1.80.0030.00417.46
8.1.70.0000.00717.31
8.1.60.0050.00317.59
8.1.50.0040.00417.47
8.1.40.0050.00317.46
8.1.30.0060.00317.55
8.1.20.0000.00817.61
8.1.10.0040.00417.55
8.1.00.0040.00417.51
8.0.300.0040.00419.85
8.0.290.0000.00816.75
8.0.280.0030.00318.43
8.0.270.0040.00417.31
8.0.260.0020.00517.24
8.0.250.0000.00816.92
8.0.240.0000.00816.90
8.0.230.0030.00416.79
8.0.220.0050.00316.70
8.0.210.0000.00716.84
8.0.200.0030.00316.95
8.0.190.0040.00416.80
8.0.180.0000.01016.86
8.0.170.0060.00316.82
8.0.160.0040.00416.84
8.0.150.0040.00416.72
8.0.140.0000.00816.71
8.0.130.0030.00313.18
8.0.120.0080.00016.67
8.0.110.0000.00716.66
8.0.100.0040.00416.63
8.0.90.0050.00216.84
8.0.80.0030.01216.71
8.0.70.0080.00016.77
8.0.60.0040.00416.73
8.0.50.0000.00816.77
8.0.30.0100.00817.08
8.0.20.0090.00917.40
8.0.10.0070.00016.74
8.0.00.0100.00816.63
7.4.330.0000.00515.07
7.4.320.0000.00616.57
7.4.300.0070.00016.35
7.4.290.0050.00316.59
7.4.280.0040.00416.50
7.4.270.0000.00716.42
7.4.260.0030.00316.59
7.4.250.0030.00316.45
7.4.240.0050.00216.57
7.4.230.0070.00016.69
7.4.220.0060.01216.50
7.4.210.0060.00916.54
7.4.200.0000.00716.48
7.4.160.0040.01116.43
7.4.150.0160.00817.40
7.4.140.0050.01117.86
7.4.130.0090.00816.48
7.4.120.0150.00216.62
7.4.110.0100.00716.56
7.4.100.0070.01016.38
7.4.90.0090.00816.56
7.4.80.0120.00919.39
7.4.70.0130.00716.23
7.4.60.0140.00616.63
7.4.50.0000.00416.54
7.4.40.0080.00816.48
7.4.30.0110.00716.62
7.4.00.0110.00715.11
7.3.330.0050.00013.37
7.3.320.0050.00013.06
7.3.310.0040.00416.19
7.3.300.0030.00316.35
7.3.290.0070.00716.21
7.3.280.0110.00616.25
7.3.270.0180.00617.40
7.3.260.0160.00016.25
7.3.250.0090.00916.45
7.3.240.0100.00716.23
7.3.230.0090.01216.39
7.3.210.0120.00416.16
7.3.200.0060.01019.39
7.3.190.0070.01416.41
7.3.180.0070.00716.48
7.3.170.0000.01516.36
7.3.160.0060.01016.48
7.2.330.0180.00416.74
7.2.320.0130.00516.52
7.2.310.0120.00616.73
7.2.300.0100.01016.71
7.2.290.0030.01316.62
7.2.00.0030.01219.50
7.1.100.0000.01117.99
7.1.70.0040.00416.96
7.1.60.0060.00619.40
7.1.50.0080.01216.93
7.1.00.0070.07322.33
7.0.200.0000.00716.75
7.0.140.0070.07322.12
7.0.60.0070.05319.94
7.0.50.0030.04017.88
7.0.40.0130.03320.18
7.0.30.0230.07020.21
7.0.20.0270.04720.25
7.0.10.0100.04320.24
7.0.00.0130.08020.10
5.6.280.0100.06721.11
5.6.210.0100.07720.61
5.6.200.0000.04318.14
5.6.190.0100.04720.64
5.6.180.3400.04020.41
5.6.170.0270.03020.40
5.6.160.0000.09720.39
5.6.150.0130.07318.20
5.6.140.0030.08018.20
5.6.130.0000.06018.13
5.6.120.0100.07021.00
5.6.110.0000.06720.96
5.6.100.0070.08321.03
5.6.90.0100.08020.95
5.6.80.0100.06720.41
5.6.70.4600.03320.40
5.5.350.0070.08320.31
5.5.340.0070.04017.95
5.5.330.0100.04320.27
5.5.320.0300.07720.41
5.5.310.0300.07320.56
5.5.300.0030.05017.98
5.5.290.0030.04718.02
5.5.280.0070.04020.88
5.5.270.0170.07320.89
5.5.260.0070.08720.77
5.5.250.0130.06720.59
5.5.240.0070.07720.20
5.4.450.0770.06019.59
5.4.440.0700.05719.43
5.4.430.0570.05719.50
5.4.420.0830.04719.33
5.4.410.0170.04719.00
5.4.400.0330.05718.66
5.4.390.0300.08018.57
5.4.380.0030.05718.51
5.4.370.0130.04718.52
5.4.360.0100.04018.54
5.4.350.0080.03912.02
5.4.340.0040.03712.02
5.4.320.0060.03512.51
5.4.310.0040.03912.50
5.4.300.0050.03612.50
5.4.290.0060.03712.50
5.4.280.0060.04112.40
5.4.270.0060.03812.40
5.4.260.0070.03612.40
5.4.250.0050.03812.39
5.4.240.0040.03712.40
5.4.230.0100.03312.39
5.4.220.0050.03612.39
5.4.210.0060.03512.39
5.4.200.0080.03512.39
5.4.190.0070.03412.39
5.4.180.0070.03412.39
5.4.170.0050.03612.40
5.4.160.0070.03912.39
5.4.150.0020.03912.39
5.4.140.0040.03812.07
5.4.130.0080.03212.06
5.4.120.0080.03212.02
5.4.110.0060.03512.02
5.4.100.0040.03612.02
5.4.90.0110.03112.02
5.4.80.0030.03812.02
5.4.70.0060.03312.01
5.4.60.0090.03312.02
5.4.50.0060.03812.02
5.4.40.0100.03012.00
5.4.30.0040.03612.00
5.4.20.0060.03412.00
5.4.10.0050.03412.00
5.4.00.0050.03511.48
5.3.290.0080.04212.80
5.3.280.0080.03612.71
5.3.270.0120.03712.73
5.3.260.0050.03812.72
5.3.250.0050.03612.72
5.3.240.0050.03712.72
5.3.230.0070.03712.71
5.3.220.0070.03512.68
5.3.210.0090.03512.68
5.3.200.0030.03812.68
5.3.190.0050.03612.67
5.3.180.0050.03612.67
5.3.170.0050.03612.67
5.3.160.0080.03312.68
5.3.150.0110.03112.67
5.3.140.0040.04112.66
5.3.130.0100.03312.66
5.3.120.0060.03712.66
5.3.110.0020.04212.66
5.3.100.0080.03412.13
5.3.90.0070.03412.11
5.3.80.0090.03412.09
5.3.70.0070.03412.10
5.3.60.0080.03612.08
5.3.50.0070.03612.03
5.3.40.0050.03512.02
5.3.30.0070.03211.99
5.3.20.0050.03511.77
5.3.10.0070.03411.73
5.3.00.0100.04111.72
5.2.170.0050.0359.23
5.2.160.0050.0279.22
5.2.150.0030.0349.23
5.2.140.0040.0389.22
5.2.130.0040.0289.18
5.2.120.0050.0309.18
5.2.110.0060.0269.18
5.2.100.0040.0309.18
5.2.90.0080.0319.18
5.2.80.0100.0279.18
5.2.70.0040.0329.17
5.2.60.0050.0289.13
5.2.50.0040.0299.10
5.2.40.0050.0309.07
5.2.30.0050.0319.05
5.2.20.0070.0329.04
5.2.10.0040.0298.95
5.2.00.0070.0318.81
5.1.60.0040.0238.09
5.1.50.0040.0288.09
5.1.40.0020.0278.07
5.1.30.0050.0258.42
5.1.20.0040.0268.44
5.1.10.0020.0278.16
5.1.00.0040.0288.16
5.0.50.0060.0176.64
5.0.40.0040.0196.50
5.0.30.0020.0406.31
5.0.20.0010.0256.29
5.0.10.0030.0206.27
5.0.00.0060.0346.25
4.4.90.0040.0144.78
4.4.80.0050.0164.75
4.4.70.0040.0144.75
4.4.60.0040.0134.75
4.4.50.0060.0144.77
4.4.40.0020.0264.71
4.4.30.0040.0184.76
4.4.20.0020.0224.84
4.4.10.0020.0194.85
4.4.00.0060.0244.76
4.3.110.0010.0174.67
4.3.100.0020.0164.66
4.3.90.0030.0224.63
4.3.80.0030.0234.59
4.3.70.0020.0144.63
4.3.60.0030.0204.63
4.3.50.0030.0164.63
4.3.40.0010.0254.54
4.3.30.0020.0203.30
4.3.20.0010.0203.28
4.3.10.0000.0213.23
4.3.00.0130.0337.12

preferences:
58.19 ms | 401 KiB | 5 Q