3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class Test { protected $pro = 9; public function __construct($x) { } } class TestMe extends Test { protected $pro = 50; } class TestProxy extends TestMe { protected $a; public function __construct($x, $a = null) { echo $a->pro; } } $a = new TestMe(''); $p = new TestProxy('', $a);

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)
8.3.60.0040.01116.59
8.3.50.0160.01521.11
8.3.40.0110.00418.63
8.3.30.0070.00718.95
8.3.20.0040.00420.16
8.3.10.0040.00423.56
8.3.00.0040.00420.57
8.2.180.0070.01116.38
8.2.170.0110.00422.96
8.2.160.0070.00720.52
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0150.00326.16
8.2.120.0080.00022.25
8.2.110.0030.00622.25
8.2.100.0090.00317.59
8.2.90.0040.00419.06
8.2.80.0040.00418.04
8.2.70.0040.00417.50
8.2.60.0000.01117.55
8.2.50.0000.01118.07
8.2.40.0040.00417.91
8.2.30.0050.00318.03
8.2.20.0040.00417.65
8.2.10.0000.00819.44
8.2.00.0000.00817.70
8.1.280.0040.01125.92
8.1.270.0090.00023.61
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0060.00323.96
8.1.230.0060.00619.04
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0000.00917.23
8.1.190.0020.00517.41
8.1.180.0040.00418.10
8.1.170.0000.00818.57
8.1.160.0050.00521.96
8.1.150.0040.00418.50
8.1.140.0040.00417.38
8.1.130.0000.00717.76
8.1.120.0040.00417.32
8.1.110.0060.00317.29
8.1.100.0000.00717.36
8.1.90.0000.00717.30
8.1.80.0000.00717.44
8.1.70.0030.00517.29
8.1.60.0060.00317.61
8.1.50.0040.00417.57
8.1.40.0050.00217.45
8.1.30.0040.00417.63
8.1.20.0000.00817.62
8.1.10.0000.00717.55
8.1.00.0040.00417.50
8.0.300.0060.00318.77
8.0.290.0000.00717.05
8.0.280.0040.00418.36
8.0.270.0070.00017.33
8.0.260.0030.00316.75
8.0.250.0020.00516.99
8.0.240.0000.00816.98
8.0.230.0000.00816.86
8.0.220.0070.00016.71
8.0.210.0070.00016.88
8.0.200.0070.00016.93
8.0.190.0020.00516.79
8.0.180.0040.00716.78
8.0.170.0050.00316.84
8.0.160.0070.00016.89
8.0.150.0030.00316.74
8.0.140.0040.00416.84
8.0.130.0000.00513.23
8.0.120.0060.00316.71
8.0.110.0030.00316.81
8.0.100.0040.00416.90
8.0.90.0000.00716.80
8.0.80.0040.01116.72
8.0.70.0000.00716.71
8.0.60.0000.00716.88
8.0.50.0000.00716.88
8.0.30.0100.00816.96
8.0.20.0070.01017.40
8.0.10.0080.00016.75
8.0.00.0060.01516.65
7.4.330.0030.00315.01
7.4.320.0030.00316.40
7.4.300.0030.00316.53
7.4.290.0070.00016.62
7.4.280.0070.00016.45
7.4.270.0070.00016.54
7.4.260.0080.00016.57
7.4.250.0070.00016.50
7.4.240.0020.00616.56
7.4.230.0050.00216.68
7.4.220.0160.00316.52
7.4.210.0050.01116.63
7.4.200.0040.00316.72
7.4.190.0060.00316.75
7.4.160.0110.00516.29
7.4.150.0120.00617.40
7.4.140.0060.01617.86
7.4.130.0140.00616.58
7.4.120.0120.00516.45
7.4.110.0030.01316.65
7.4.100.0090.00916.62
7.4.90.0070.01116.36
7.4.80.0120.00319.39
7.4.70.0100.00616.57
7.4.60.0130.00616.48
7.4.50.0000.00816.22
7.4.40.0030.01022.77
7.4.30.0120.00316.63
7.4.00.0080.00915.01
7.3.330.0000.00513.19
7.3.320.0050.00013.22
7.3.310.0040.00416.24
7.3.300.0070.00016.24
7.3.290.0170.00316.25
7.3.280.0110.00716.23
7.3.270.0090.01517.40
7.3.260.0160.00716.48
7.3.250.0070.01016.36
7.3.240.0170.00016.33
7.3.230.0080.00816.39
7.3.210.0090.00916.23
7.3.200.0030.01419.39
7.3.190.0070.01716.54
7.3.180.0180.00016.12
7.3.170.0100.00716.43
7.3.160.0090.00616.09
7.3.120.0080.00914.67
7.3.110.0050.01014.66
7.3.100.0040.01114.64
7.3.90.0070.00914.62
7.3.80.0060.00814.81
7.3.70.0010.01414.79
7.3.60.0080.00414.75
7.3.50.0060.00914.52
7.3.40.0080.00714.78
7.3.30.0030.00714.60
7.3.20.0050.00816.52
7.3.10.0070.00716.51
7.3.00.0050.00616.57
7.2.330.0100.00716.77
7.2.320.0100.00716.36
7.2.310.0060.01116.72
7.2.300.0040.01816.61
7.2.290.0070.01016.82
7.2.250.0020.01515.14
7.2.240.0060.01315.07
7.2.230.0060.01015.29
7.2.220.0040.01214.95
7.2.210.0080.00515.09
7.2.200.0060.00814.89
7.2.190.0030.00915.07
7.2.180.0040.00915.01
7.2.170.0070.00715.14
7.2.60.0090.00617.08
7.2.00.0000.01219.51
7.1.330.0020.01215.74
7.1.320.0030.01015.68
7.1.310.0060.00415.88
7.1.300.0040.00815.64
7.1.290.0070.00515.81
7.1.280.0050.00615.58
7.1.270.0040.00915.67
7.1.260.0050.00915.73
7.1.200.0090.00615.85
7.1.100.0030.00818.01
7.1.70.0050.00517.02
7.1.60.0110.01419.29
7.1.50.0070.01016.97
7.1.00.0070.07322.38
7.0.200.0000.00816.52
7.0.140.0100.06022.08
7.0.60.0030.05019.86
7.0.50.0070.04017.91
7.0.40.0100.07320.02
7.0.30.0170.04320.23
7.0.20.0400.07020.16
7.0.10.0270.07720.24
7.0.00.0030.04320.22
5.6.280.0030.07321.10
5.6.210.0000.05020.75
5.6.200.0030.08018.16
5.6.190.0030.05720.77
5.6.180.0100.07720.39
5.6.170.0170.05020.39
5.6.160.0070.04720.46
5.6.150.0100.04018.21
5.6.140.0030.03718.18
5.6.130.0030.05018.17
5.6.120.0000.05021.14
5.6.110.0030.06320.99
5.6.100.0070.07720.98
5.6.90.0070.06720.98
5.6.80.0130.06720.54
5.6.70.0300.06320.40
5.5.350.0100.06320.38
5.5.340.0100.08317.98
5.5.330.0100.04720.57
5.5.320.0000.04320.27
5.5.310.0270.07720.24
5.5.300.0130.07017.97
5.5.290.0070.08718.02
5.5.280.0030.05320.78
5.5.270.0070.09020.73
5.5.260.0070.08320.65
5.5.250.0200.07320.47
5.5.240.0070.08320.04
5.4.450.1130.03719.49
5.4.440.0830.06319.47
5.4.430.0730.05719.19
5.4.420.0100.05719.61
5.4.410.0900.07719.50
5.4.400.0100.06019.26
5.4.390.0570.06018.98
5.4.380.0130.05318.54
5.4.370.0130.05718.54
5.4.360.0230.04318.79
5.4.350.0170.05718.79
5.4.340.0200.05018.58
5.4.320.0070.03712.51
5.4.310.0070.03812.51
5.4.300.0070.03412.51
5.4.290.0050.03912.50
5.4.280.0070.03412.40
5.4.270.0090.03712.40
5.4.260.0040.03912.40
5.4.250.0050.04112.40
5.4.240.0070.04312.38
5.4.230.0080.04212.36
5.4.220.0070.04012.36
5.4.210.0060.03712.37
5.4.200.0090.03512.36
5.4.190.0050.03712.36
5.4.180.0080.03512.36
5.4.170.0060.03712.37
5.4.160.0070.03612.36
5.4.150.0130.03012.36
5.4.140.0070.03612.04
5.4.130.0070.03412.03
5.4.120.0090.03411.99
5.4.110.0070.03611.98
5.4.100.0070.03411.99
5.4.90.0050.04711.99
5.4.80.0050.03711.98
5.4.70.0060.03511.98
5.4.60.0060.04911.98
5.4.50.0090.04711.98
5.4.40.0120.04411.97
5.4.30.0050.03911.97
5.4.20.0070.03911.96
5.4.10.0090.03811.97
5.4.00.0080.03711.46
5.3.290.0040.04312.80
5.3.280.0060.03812.71
5.3.270.0070.03812.72
5.3.260.0060.04012.71
5.3.250.0060.03812.72
5.3.240.0080.03612.71
5.3.230.0080.03712.71
5.3.220.0040.04012.68
5.3.210.0090.04112.68
5.3.200.0080.03912.68
5.3.190.0050.04412.67
5.3.180.0080.04212.67
5.3.170.0040.03812.67
5.3.160.0060.03812.67
5.3.150.0010.04212.67
5.3.140.0070.03612.66
5.3.130.0070.05112.66
5.3.120.0070.04112.66
5.3.110.0080.03712.66
5.3.100.0090.03512.11
5.3.90.0060.03712.08
5.3.80.0050.03812.07
5.3.70.0040.03912.08
5.3.60.0090.03312.07
5.3.50.0050.03812.00
5.3.40.0060.03812.00
5.3.30.0080.03611.95
5.3.20.0070.03811.73
5.3.10.0030.03811.70
5.3.00.0080.03511.68
5.2.170.0070.0329.18
5.2.160.0100.0389.18
5.2.150.0080.0389.18
5.2.140.0080.0349.18
5.2.130.0050.0339.14
5.2.120.0090.0479.14
5.2.110.0080.0349.15
5.2.100.0030.0349.15
5.2.90.0080.0389.14
5.2.80.0080.0349.14
5.2.70.0060.0379.13
5.2.60.0070.0299.09
5.2.50.0060.0309.06
5.2.40.0070.0349.03
5.2.30.0080.0379.01
5.2.20.0030.0359.01
5.2.10.0040.0308.91
5.2.00.0040.0318.76
5.1.60.0030.0258.05
5.1.50.0060.0248.05
5.1.40.0030.0278.04
5.1.30.0030.0358.39
5.1.20.0060.0308.41
5.1.10.0040.0298.13
5.1.00.0050.0308.13
5.0.50.0040.0216.61
5.0.40.0060.0176.46
5.0.30.0060.0306.28
5.0.20.0040.0206.25
5.0.10.0070.0186.23
5.0.00.0040.0326.22
4.4.90.0030.0174.78
4.4.80.0010.0224.76
4.4.70.0050.0154.75
4.4.60.0010.0174.75
4.4.50.0040.0144.77
4.4.40.0020.0264.71
4.4.30.0020.0164.75
4.4.20.0010.0184.85
4.4.10.0040.0144.84
4.4.00.0030.0254.76
4.3.110.0020.0174.67
4.3.100.0050.0134.67
4.3.90.0020.0164.64
4.3.80.0020.0254.58
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0030.0304.54
4.3.30.0030.0153.27
4.3.20.0020.0163.24
4.3.10.0010.0173.21
4.3.00.0070.01313.13

preferences:
45.55 ms | 401 KiB | 5 Q