3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(~(E_STRICT|E_DEPRECATED)); class A { public function hi(self $a) { var_dump($a); } } class B extends A { public function yo(parent $a) { var_dump($a); } } $a = new A; $b = new B; $c = new stdClass; $a->hi($b); $b->yo($a); $b->yo($c);

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)
8.3.70.0120.00316.50
8.3.60.0110.00318.43
8.3.50.0170.01022.10
8.3.40.0040.01118.78
8.3.30.0070.00719.19
8.3.20.0070.00020.34
8.3.10.0080.00022.00
8.3.00.0040.00419.50
8.2.180.0110.00318.31
8.2.170.0030.01722.96
8.2.160.0070.00719.04
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0070.00022.29
8.2.110.0070.01022.25
8.2.100.0080.00417.91
8.2.90.0050.00319.22
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0040.00417.92
8.2.50.0040.00818.07
8.2.40.0000.00918.03
8.2.30.0000.00817.98
8.2.20.0050.00317.71
8.2.10.0080.00018.02
8.2.00.0040.00417.67
8.1.280.0070.01125.92
8.1.270.0000.00823.82
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0120.00623.84
8.1.230.0110.00018.92
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0040.00717.23
8.1.190.0000.00817.35
8.1.180.0000.00818.10
8.1.170.0050.00318.63
8.1.160.0020.00521.87
8.1.150.0000.00718.74
8.1.140.0040.00417.37
8.1.130.0030.00317.82
8.1.120.0000.00717.37
8.1.110.0040.00417.39
8.1.100.0000.00717.38
8.1.90.0000.00717.29
8.1.80.0000.00717.43
8.1.70.0000.00717.29
8.1.60.0050.00317.58
8.1.50.0050.00317.55
8.1.40.0040.00417.39
8.1.30.0050.00317.62
8.1.20.0000.00817.71
8.1.10.0000.00717.41
8.1.00.0040.00417.48
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.36
8.0.270.0030.00417.07
8.0.260.0000.00617.19
8.0.250.0000.00716.98
8.0.240.0000.00716.94
8.0.230.0070.00016.84
8.0.220.0040.00416.91
8.0.210.0000.00616.91
8.0.200.0060.00316.97
8.0.190.0040.00416.86
8.0.180.0050.00316.77
8.0.170.0000.00816.96
8.0.160.0030.00316.86
8.0.150.0000.00816.72
8.0.140.0040.00416.88
8.0.130.0060.00013.35
8.0.120.0000.00816.70
8.0.110.0030.00516.79
8.0.100.0000.00716.74
8.0.90.0070.00016.72
8.0.80.0090.00616.91
8.0.70.0040.00416.85
8.0.60.0050.00216.84
8.0.50.0050.00216.73
8.0.30.0110.00817.12
8.0.20.0150.00617.40
8.0.10.0070.00017.04
8.0.00.0110.00916.92
7.4.330.0000.00615.08
7.4.320.0000.00616.46
7.4.300.0000.00916.52
7.4.290.0030.00316.60
7.4.280.0070.00016.51
7.4.270.0060.00016.46
7.4.260.0020.00516.42
7.4.250.0040.00416.57
7.4.240.0020.00516.57
7.4.230.0050.00316.67
7.4.220.0060.01216.53
7.4.210.0120.00916.63
7.4.200.0040.00416.49
7.4.160.0100.00716.60
7.4.150.0120.00617.40
7.4.140.0150.00317.86
7.4.130.0070.01016.59
7.4.120.0080.00916.68
7.4.110.0070.01016.35
7.4.100.0090.01216.53
7.4.90.0030.01416.55
7.4.80.0100.01019.39
7.4.70.0030.01916.58
7.4.60.0060.01016.41
7.4.50.0030.00316.33
7.4.40.0070.01016.56
7.4.30.0160.00616.46
7.4.00.0040.00414.83
7.3.330.0000.00513.14
7.3.320.0020.00213.29
7.3.310.0030.00316.48
7.3.300.0070.00016.25
7.3.290.0030.01016.37
7.3.280.0050.01316.37
7.3.270.0060.01217.40
7.3.260.0080.00816.33
7.3.250.0140.00316.44
7.3.240.0140.00916.57
7.3.230.0120.01216.40
7.3.210.0070.01016.34
7.3.200.0110.01019.39
7.3.190.0100.01316.60
7.3.180.0090.00716.39
7.3.170.0060.01016.46
7.3.160.0060.01016.29
7.2.330.0060.01216.53
7.2.320.0140.00416.33
7.2.310.0140.00716.69
7.2.300.0050.01416.63
7.2.290.0150.00616.66
7.2.60.0150.01216.91
7.1.200.0070.00315.65
7.1.100.0000.01117.81
7.1.70.0040.01217.12
7.1.60.0100.00619.32
7.1.50.0070.01016.86
7.1.00.0100.07022.41
7.0.200.0000.01016.89
7.0.140.0070.07021.92
7.0.60.0030.04019.88
7.0.50.0100.08017.98
7.0.40.0100.08320.04
7.0.30.0300.08020.20
7.0.20.0200.04320.33
7.0.10.0230.03320.16
7.0.00.0130.05720.06
5.6.280.0030.07321.08
5.6.210.0000.04320.51
5.6.200.0030.06718.23
5.6.190.0130.07720.61
5.6.180.0230.04720.55
5.6.170.0200.04320.52
5.6.160.0170.07320.61
5.6.150.0030.08018.30
5.6.140.0100.04718.21
5.6.130.0030.06018.27
5.6.120.0170.07321.00
5.6.110.0130.07721.00
5.6.100.0100.08021.04
5.6.90.0100.08720.97
5.6.80.0130.07320.39
5.6.70.4000.04020.37
5.5.350.0130.08720.44
5.5.340.0030.04018.02
5.5.330.0070.04320.35
5.5.320.0400.07320.20
5.5.310.0370.04720.17
5.5.300.0070.04018.04
5.5.290.0030.04018.04
5.5.280.0130.07720.80
5.5.270.0000.04720.68
5.5.260.0100.09020.88
5.5.250.0100.04320.61
5.5.240.0370.05320.13
5.4.450.0430.04719.48
5.4.440.1130.03719.30
5.4.430.0530.04719.63
5.4.420.0670.00019.43
5.4.410.0630.00019.45
5.4.400.0630.00018.92
5.4.390.0670.00019.06
5.4.380.0630.00019.13
5.4.370.0830.00019.15
5.4.360.0600.00019.25
5.4.350.0630.00019.07
5.4.340.0600.00019.11
5.4.320.0070.04512.51
5.4.310.0090.04512.50
5.4.300.0050.04012.51
5.4.290.0060.03812.50
5.4.280.0050.04312.39
5.4.270.0080.03812.39
5.4.260.0070.04212.39
5.4.250.0090.03812.40
5.4.240.0090.04212.40
5.4.230.0060.03812.39
5.4.220.0050.03712.39
5.4.210.0050.03712.39
5.4.200.0070.03912.39
5.4.190.0070.03912.39
5.4.180.0080.03412.39
5.4.170.0050.03912.40
5.4.160.0060.03912.40
5.4.150.0070.03712.39
5.4.140.0070.04112.07
5.4.130.0090.03912.07
5.4.120.0070.03612.02
5.4.110.0060.03512.02
5.4.100.0040.03712.02
5.4.90.0060.04012.02
5.4.80.0080.03612.02
5.4.70.0050.03712.01
5.4.60.0060.03712.01
5.4.50.0080.03612.02
5.4.40.0070.03312.00
5.4.30.0060.04112.00
5.4.20.0050.04511.99
5.4.10.0030.03812.00
5.4.00.0090.03311.49
5.3.290.0090.04812.80
5.3.280.0070.03912.71
5.3.270.0090.03912.73
5.3.260.0060.03912.71
5.3.250.0100.03712.72
5.3.240.0070.04012.71
5.3.230.0070.03912.71
5.3.220.0070.04012.68
5.3.210.0040.04212.68
5.3.200.0090.03412.68
5.3.190.0040.04012.68
5.3.180.0050.03812.67
5.3.170.0080.03812.67
5.3.160.0100.04212.68
5.3.150.0100.04012.67
5.3.140.0120.03212.66
5.3.130.0040.04412.66
5.3.120.0050.03912.66
5.3.110.0090.04312.65
5.3.100.0070.03612.13
5.3.90.0100.03512.11
5.3.80.0090.03712.10
5.3.70.0050.03712.10
5.3.60.0080.04212.08
5.3.50.0050.04212.04
5.3.40.0050.03812.04
5.3.30.0080.03511.99
5.3.20.0070.03711.77
5.3.10.0090.03311.74
5.3.00.0090.03711.72
5.2.170.0030.0329.23
5.2.160.0100.0269.23
5.2.150.0030.0329.23
5.2.140.0050.0309.23
5.2.130.0050.0299.19
5.2.120.0050.0299.19
5.2.110.0030.0309.20
5.2.100.0030.0309.19
5.2.90.0040.0309.19
5.2.80.0050.0309.18
5.2.70.0070.0279.18
5.2.60.0050.0309.13
5.2.50.0070.0279.10
5.2.40.0060.0289.08
5.2.30.0050.0349.05
5.2.20.0050.0289.05
5.2.10.0050.0278.95
5.2.00.0040.0358.82
5.1.60.0030.0268.10
5.1.50.0090.0278.09
5.1.40.0070.0248.07
5.1.30.0040.0318.43
5.1.20.0040.0308.45
5.1.10.0030.0288.17
5.1.00.0060.0248.17
5.0.50.0090.0206.65
5.0.40.0030.0216.50
5.0.30.0050.0306.32
5.0.20.0010.0236.29
5.0.10.0030.0236.27
5.0.00.0030.0326.26
4.4.90.0020.0174.78
4.4.80.0040.0144.75
4.4.70.0030.0164.75
4.4.60.0020.0164.75
4.4.50.0030.0194.77
4.4.40.0040.0294.71
4.4.30.0010.0174.76
4.4.20.0010.0194.84
4.4.10.0020.0174.85
4.4.00.0030.0254.76
4.3.110.0060.0144.67
4.3.100.0010.0174.66
4.3.90.0030.0144.63
4.3.80.0050.0224.59
4.3.70.0020.0154.63
4.3.60.0020.0154.63
4.3.50.0040.0144.63
4.3.40.0030.0244.53
4.3.30.0030.0173.30
4.3.20.0000.0183.28
4.3.10.0030.0153.23
4.3.00.0230.01013.59

preferences:
66.09 ms | 401 KiB | 5 Q