3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $p1 = "secret"; public function B() { // ${'t' . 'his'} = 'hello'; // works return $this->$p1; } } $a = new A; echo $a->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)
8.3.60.0150.00316.75
8.3.50.0080.01022.89
8.3.40.0070.00718.53
8.3.30.0150.00018.92
8.3.20.0070.00020.13
8.3.10.0040.00423.70
8.3.00.0090.00019.26
8.2.180.0100.01016.50
8.2.170.0100.00722.96
8.2.160.0100.00320.48
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00420.97
8.2.110.0070.00322.27
8.2.100.0110.00019.64
8.2.90.0040.00419.17
8.2.80.0000.00917.97
8.2.70.0000.00817.63
8.2.60.0000.00817.93
8.2.50.0000.00818.07
8.2.40.0080.00017.84
8.2.30.0000.00718.04
8.2.20.0070.00017.61
8.2.10.0000.00718.10
8.2.00.0050.00517.61
8.1.280.0140.00025.92
8.1.270.0040.00423.89
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0080.00023.98
8.1.230.0110.00018.86
8.1.220.0060.00317.76
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0080.00017.00
8.1.180.0030.00518.10
8.1.170.0000.00818.66
8.1.160.0000.00721.88
8.1.150.0040.00418.80
8.1.140.0030.00617.44
8.1.130.0000.00717.82
8.1.120.0000.00717.46
8.1.110.0030.00517.46
8.1.100.0040.00417.32
8.1.90.0000.00817.33
8.1.80.0070.00017.37
8.1.70.0000.00817.33
8.1.60.0030.00617.53
8.1.50.0000.00717.52
8.1.40.0050.00517.40
8.1.30.0030.00617.52
8.1.20.0070.00017.50
8.1.10.0040.00417.49
8.1.00.0070.00017.45
8.0.300.0050.00218.77
8.0.290.0040.00416.88
8.0.280.0070.00018.43
8.0.270.0030.00317.29
8.0.260.0030.00317.29
8.0.250.0000.00716.92
8.0.240.0000.00817.03
8.0.230.0080.00016.99
8.0.220.0000.00716.92
8.0.210.0030.00616.96
8.0.200.0000.00717.05
8.0.190.0040.00816.91
8.0.180.0030.00516.95
8.0.170.0000.00716.86
8.0.160.0050.00216.96
8.0.150.0000.00816.90
8.0.140.0030.00416.73
8.0.130.0060.00013.35
8.0.120.0000.00916.96
8.0.110.0040.00416.84
8.0.100.0000.00717.01
8.0.90.0040.00416.95
8.0.80.0090.00616.95
8.0.70.0020.00516.91
8.0.60.0040.00417.00
8.0.50.0070.00016.72
8.0.30.0050.01316.94
8.0.20.0090.00917.40
8.0.10.0040.00416.91
8.0.00.0130.00716.66
7.4.330.0000.00515.00
7.4.320.0060.00016.37
7.4.300.0000.00616.48
7.4.290.0070.00016.48
7.4.280.0060.00316.58
7.4.270.0000.00716.40
7.4.260.0040.00416.59
7.4.250.0070.00016.54
7.4.240.0040.00416.43
7.4.230.0000.00716.47
7.4.220.0080.01216.50
7.4.210.0100.00716.66
7.4.200.0000.00716.59
7.4.160.0060.00916.50
7.4.150.0140.00317.40
7.4.140.0110.01017.86
7.4.130.0130.00716.66
7.4.120.0060.01316.50
7.4.110.0090.01316.63
7.4.100.0150.00616.62
7.4.90.0110.00716.71
7.4.80.0210.00419.39
7.4.70.0060.01316.40
7.4.60.0070.01416.56
7.4.50.0070.00016.46
7.4.40.0130.00716.44
7.4.30.0150.00816.45
7.4.00.0000.01214.84
7.3.330.0000.00613.23
7.3.320.0050.00013.14
7.3.310.0030.00316.43
7.3.300.0040.00416.29
7.3.290.0100.01016.33
7.3.280.0090.00916.41
7.3.270.0070.01117.40
7.3.260.0110.00616.48
7.3.250.0100.01116.45
7.3.240.0100.00716.34
7.3.230.0060.01216.39
7.3.210.0070.01016.61
7.3.200.0110.00819.39
7.3.190.0100.00816.33
7.3.180.0090.00616.31
7.3.170.0060.00816.34
7.3.160.0090.00616.41
7.2.330.0090.01316.71
7.2.320.0150.00616.57
7.2.310.0130.01016.84
7.2.300.0130.00916.29
7.2.290.0000.01516.36
7.2.60.0000.01516.92
7.2.00.0060.00619.34
7.1.200.0040.01115.75
7.1.70.0030.00616.80
7.1.60.0040.00716.86
7.1.50.0040.01916.64
7.1.00.0100.06722.43
7.0.200.0060.00916.83
7.0.140.0030.07321.97
7.0.60.0070.07021.59
7.0.50.0030.08317.85
7.0.40.0100.06020.18
7.0.30.0370.05320.23
7.0.20.0300.07320.23
7.0.10.0200.07320.15
7.0.00.0070.08320.12
5.6.280.0000.07721.07
5.6.210.0100.04720.62
5.6.200.0030.09018.16
5.6.190.0070.05020.68
5.6.180.0270.03320.52
5.6.170.0370.06020.55
5.6.160.0130.07320.50
5.6.150.0130.07318.20
5.6.140.0100.08318.19
5.6.130.0130.06318.11
5.6.120.0030.06020.99
5.6.110.0230.06721.01
5.6.100.0070.08021.11
5.6.90.0030.04320.99
5.6.80.0130.07720.49
5.5.350.3930.04020.34
5.5.340.0170.07018.00
5.5.330.0030.05320.44
5.5.320.0200.08720.34
5.5.310.0330.07720.34
5.5.300.0030.08018.01
5.5.290.0070.08017.98
5.5.280.0170.07320.77
5.5.270.0000.04320.76
5.5.260.0130.08020.87
5.5.250.0030.07720.71
5.5.240.0270.04720.15
5.4.450.0670.04719.45
5.4.440.0800.05719.54
5.4.430.0730.05019.28
5.4.420.0670.05019.34
5.4.410.0370.05719.19
5.4.400.0600.05719.13
5.4.390.0730.05019.12
5.4.380.0070.05318.50
5.4.370.0230.03718.72
5.4.360.0030.04018.78
5.4.350.0160.06712.02
5.4.340.0030.04312.02
5.4.320.0080.03412.50
5.4.310.0050.05512.50
5.4.300.0060.03912.50
5.4.290.0060.03812.50
5.4.280.0060.03512.39
5.4.270.0050.03712.40
5.4.260.0080.03612.39
5.4.250.0050.03812.39
5.4.240.0070.03512.39
5.4.230.0070.03612.39
5.4.220.0050.03512.39
5.4.210.0070.03512.39
5.4.200.0060.03812.39
5.4.190.0030.03812.38
5.4.180.0050.03912.38
5.4.170.0050.03712.39
5.4.160.0070.03712.39
5.4.150.0100.03112.39
5.4.140.0030.04012.07
5.4.130.0070.04012.06
5.4.120.0060.03912.02
5.4.110.0060.03412.01
5.4.100.0040.03612.01
5.4.90.0050.03912.01
5.4.80.0060.03612.01
5.4.70.0070.03312.01
5.4.60.0050.03512.01
5.4.50.0050.03512.01
5.4.40.0070.03312.00
5.4.30.0100.04311.99
5.4.20.0040.03811.99
5.4.10.0100.04511.99
5.4.00.0050.03811.48
5.3.290.0060.03912.80
5.3.280.0060.03612.71
5.3.270.0080.03712.72
5.3.260.0030.04112.72
5.3.250.0100.03312.72
5.3.240.0060.04012.72
5.3.230.0080.04812.71
5.3.220.0050.04212.68
5.3.210.0090.03712.68
5.3.200.0060.03512.68
5.3.190.0070.03612.68
5.3.180.0090.03312.67
5.3.170.0080.03512.67
5.3.160.0060.03912.67
5.3.150.0110.03712.67
5.3.140.0060.03612.66
5.3.130.0040.04612.66
5.3.120.0050.03912.66
5.3.110.0090.03612.65
5.3.100.0060.03812.12
5.3.90.0060.03712.10
5.3.80.0080.03412.09
5.3.70.0060.03712.09
5.3.60.0080.03512.08
5.3.50.0080.03412.03
5.3.40.0090.03312.03
5.3.30.0060.03511.98
5.3.20.0060.03811.77
5.3.10.0080.03211.73
5.3.00.0040.03811.71
5.2.170.0020.0379.22
5.2.160.0070.0269.22
5.2.150.0040.0309.22
5.2.140.0070.0279.22
5.2.130.0050.0279.18
5.2.120.0030.0299.18
5.2.110.0030.0309.19
5.2.100.0030.0299.18
5.2.90.0050.0289.18
5.2.80.0060.0289.17
5.2.70.0060.0349.17
5.2.60.0040.0309.13
5.2.50.0050.0299.09
5.2.40.0030.0329.07
5.2.30.0060.0299.05
5.2.20.0050.0299.03
5.2.10.0020.0308.94
5.2.00.0030.0308.80
5.1.60.0060.0228.09
5.1.50.0040.0288.08
5.1.40.0030.0278.07
5.1.30.0040.0298.41
5.1.20.0020.0288.44
5.1.10.0040.0258.16
5.1.00.0060.0278.16
5.0.50.0030.0246.64
5.0.40.0040.0236.49
5.0.30.0030.0316.32
5.0.20.0030.0226.27
5.0.10.0050.0186.25
5.0.00.0030.0316.25
4.4.90.0020.0164.78
4.4.80.0030.0154.75
4.4.70.0060.0124.75
4.4.60.0010.0174.76
4.4.50.0040.0144.77
4.4.40.0020.0274.71
4.4.30.0030.0154.76
4.4.20.0040.0144.84
4.4.10.0030.0154.85
4.4.00.0050.0224.76
4.3.110.0020.0164.67
4.3.100.0040.0134.66
4.3.90.0010.0164.64
4.3.80.0030.0244.58
4.3.70.0040.0154.63
4.3.60.0050.0224.63
4.3.50.0020.0164.62
4.3.40.0020.0254.54
4.3.30.0030.0153.30
4.3.20.0020.0173.28
4.3.10.0040.0193.23
4.3.00.0000.0237.13

preferences:
40.78 ms | 401 KiB | 5 Q