3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $p1 = "secret"; public function B() { ${'t' . 'his'} = 'hidden'; // works return $this . ' ' . $this->p1; 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)
8.3.60.0030.01516.50
8.3.50.0100.00722.82
8.3.40.0090.00618.77
8.3.30.0080.00518.88
8.3.20.0040.00420.16
8.3.10.0000.00823.53
8.3.00.0060.00317.25
8.2.180.0070.01116.75
8.2.170.0110.00322.96
8.2.160.0100.00320.29
8.2.150.0050.00224.18
8.2.140.0050.00224.66
8.2.130.0050.00326.16
8.2.120.0040.00421.09
8.2.110.0060.00322.29
8.2.100.0040.00817.91
8.2.90.0070.00018.95
8.2.80.0030.00617.97
8.2.70.0040.00417.50
8.2.60.0080.00017.80
8.2.50.0040.00418.07
8.2.40.0040.00418.09
8.2.30.0040.00417.91
8.2.20.0040.00417.42
8.2.10.0040.00417.89
8.2.00.0030.00517.46
8.1.280.0110.00725.92
8.1.270.0060.00323.82
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00323.91
8.1.230.0090.00319.00
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0050.00517.35
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0000.00818.46
8.1.160.0040.00421.91
8.1.150.0040.00418.94
8.1.140.0040.00417.45
8.1.130.0040.00417.45
8.1.120.0040.00417.50
8.1.110.0040.00417.34
8.1.100.0040.00417.39
8.1.90.0040.00417.38
8.1.80.0070.00017.46
8.1.70.0030.00617.40
8.1.60.0080.00017.61
8.1.50.0000.00817.52
8.1.40.0000.00917.52
8.1.30.0000.00817.69
8.1.20.0050.00317.52
8.1.10.0000.00817.45
8.1.00.0060.00317.56
8.0.300.0080.00018.77
8.0.290.0000.00916.88
8.0.280.0000.00818.38
8.0.270.0070.00017.21
8.0.260.0030.00316.75
8.0.250.0030.00316.98
8.0.240.0030.00516.93
8.0.230.0040.00417.02
8.0.220.0050.00216.99
8.0.210.0040.00316.91
8.0.200.0000.00717.03
8.0.190.0030.00616.97
8.0.180.0070.00016.92
8.0.170.0000.00716.96
8.0.160.0040.00317.07
8.0.150.0000.00716.72
8.0.140.0000.00716.91
8.0.130.0000.00513.36
8.0.120.0040.00416.80
8.0.110.0040.00416.96
8.0.100.0030.00317.01
8.0.90.0030.00416.93
8.0.80.0090.00616.89
8.0.70.0030.00516.77
8.0.60.0040.00416.94
8.0.50.0030.00316.96
8.0.30.0100.01116.94
8.0.20.0110.00917.40
8.0.10.0000.00817.01
8.0.00.0070.01216.76
7.4.330.0050.00015.16
7.4.320.0000.00716.54
7.4.300.0060.00016.50
7.4.290.0070.00016.46
7.4.280.0050.00316.53
7.4.270.0030.00316.65
7.4.260.0070.00016.48
7.4.250.0000.00716.55
7.4.240.0020.00516.47
7.4.230.0000.00716.43
7.4.220.0110.00716.50
7.4.210.0090.00616.55
7.4.200.0000.00716.31
7.4.160.0060.00916.49
7.4.150.0150.00917.40
7.4.140.0110.01117.86
7.4.130.0090.01016.55
7.4.120.0120.00616.49
7.4.110.0140.00416.65
7.4.100.0090.00916.25
7.4.90.0150.00316.48
7.4.80.0100.01319.39
7.4.70.0120.00316.74
7.4.60.0070.01016.56
7.4.50.0060.00316.61
7.4.40.0110.00516.67
7.4.30.0060.01016.45
7.4.00.0000.01414.98
7.3.330.0000.00513.38
7.3.320.0050.00013.38
7.3.310.0040.00316.24
7.3.300.0000.00916.24
7.3.290.0060.01016.36
7.3.280.0040.01216.36
7.3.270.0160.00717.40
7.3.260.0070.01416.52
7.3.250.0120.00516.46
7.3.240.0030.01316.36
7.3.230.0160.00016.39
7.3.210.0060.00916.37
7.3.200.0140.00719.39
7.3.190.0100.01016.36
7.3.180.0100.00616.35
7.3.170.0060.00916.46
7.3.160.0040.01216.65
7.2.330.0060.01216.47
7.2.320.0180.00616.62
7.2.310.0120.00916.38
7.2.300.0160.00716.75
7.2.290.0060.01216.69
7.2.60.0100.00316.83
7.2.00.0060.00919.24
7.1.200.0030.00915.59
7.1.100.0040.00717.74
7.1.70.0030.00616.79
7.1.60.0120.00619.40
7.1.50.0090.00916.54
7.1.00.0070.07022.26
7.0.200.0030.00616.71
7.0.140.0030.07021.95
7.0.60.0130.07719.93
7.0.50.0070.04717.72
7.0.40.0070.04320.40
7.0.30.0370.04720.19
7.0.20.0300.03720.09
7.0.10.0200.04320.07
7.0.00.0100.03720.15
5.6.280.0070.06721.11
5.6.210.0200.06720.71
5.6.200.0100.04318.18
5.6.190.0100.08720.61
5.6.180.0270.05020.63
5.6.170.0200.04720.54
5.6.160.0070.04720.54
5.6.150.0030.04018.16
5.6.140.0000.04018.15
5.6.130.0000.08718.21
5.6.120.0030.09020.90
5.6.110.0170.07021.04
5.6.100.0100.08020.98
5.6.90.0100.03720.95
5.6.80.0070.06020.51
5.5.350.0100.08320.41
5.5.340.0130.07017.98
5.5.330.0100.07320.36
5.5.320.3200.03720.26
5.5.310.0370.06720.34
5.5.300.0200.07317.95
5.5.290.0000.04317.98
5.5.280.0030.05020.65
5.5.270.0070.05320.76
5.5.260.0070.08320.87
5.5.250.0070.03720.59
5.5.240.4000.04020.29
5.4.450.0800.06019.61
5.4.440.0870.06019.18
5.4.430.0700.06019.13
5.4.420.0070.06019.52
5.4.410.0230.04319.42
5.4.400.0370.05018.82
5.4.390.0370.05318.70
5.4.380.0330.06018.80
5.4.370.0500.06718.78
5.4.360.0300.06018.57
5.4.350.0190.13712.02
5.4.340.0140.07012.02
5.4.320.0070.04212.50
5.4.310.0060.03812.50
5.4.300.0040.03712.50
5.4.290.0070.03712.50
5.4.280.0080.03312.39
5.4.270.0050.03712.39
5.4.260.0080.03612.40
5.4.250.0060.03712.39
5.4.240.0060.03412.39
5.4.230.0080.03412.38
5.4.220.0090.03412.38
5.4.210.0050.03512.39
5.4.200.0090.03612.39
5.4.190.0060.03512.38
5.4.180.0060.03612.38
5.4.170.0020.03912.39
5.4.160.0050.03712.39
5.4.150.0080.03312.38
5.4.140.0050.03812.07
5.4.130.0050.03612.06
5.4.120.0070.03312.01
5.4.110.0050.03512.02
5.4.100.0080.03312.02
5.4.90.0070.03512.01
5.4.80.0030.03912.01
5.4.70.0060.03412.01
5.4.60.0070.03312.01
5.4.50.0060.03512.01
5.4.40.0060.03512.00
5.4.30.0080.03311.99
5.4.20.0030.03811.99
5.4.10.0060.03611.99
5.4.00.0050.03711.48
5.3.290.0060.03912.80
5.3.280.0050.04012.71
5.3.270.0070.04512.73
5.3.260.0100.03412.72
5.3.250.0100.03912.72
5.3.240.0090.04212.72
5.3.230.0050.04312.71
5.3.220.0050.03712.68
5.3.210.0050.04012.68
5.3.200.0050.03612.68
5.3.190.0090.03412.68
5.3.180.0050.03612.67
5.3.170.0070.03812.67
5.3.160.0070.04012.68
5.3.150.0040.03812.67
5.3.140.0060.04212.66
5.3.130.0080.04012.66
5.3.120.0020.04612.66
5.3.110.0090.04112.66
5.3.100.0070.03512.12
5.3.90.0050.04012.09
5.3.80.0060.04012.09
5.3.70.0080.03412.09
5.3.60.0070.04412.07
5.3.50.0040.04612.02
5.3.40.0060.03712.02
5.3.30.0050.03611.98
5.3.20.0050.03611.76
5.3.10.0090.03011.72
5.3.00.0070.03411.71
5.2.170.0040.0329.22
5.2.160.0030.0319.22
5.2.150.0060.0299.22
5.2.140.0060.0289.22
5.2.130.0040.0299.18
5.2.120.0090.0249.18
5.2.110.0030.0309.19
5.2.100.0030.0299.17
5.2.90.0060.0359.18
5.2.80.0030.0329.17
5.2.70.0050.0349.17
5.2.60.0050.0339.12
5.2.50.0070.0299.09
5.2.40.0040.0289.07
5.2.30.0110.0339.05
5.2.20.0050.0319.04
5.2.10.0060.0268.94
5.2.00.0060.0278.80
5.1.60.0030.0288.09
5.1.50.0070.0268.08
5.1.40.0050.0298.06
5.1.30.0030.0268.41
5.1.20.0080.0268.44
5.1.10.0040.0258.16
5.1.00.0060.0338.16
5.0.50.0070.0176.64
5.0.40.0060.0196.50
5.0.30.0060.0346.32
5.0.20.0030.0206.27
5.0.10.0050.0226.25
5.0.00.0070.0286.24
4.4.90.0030.0204.78
4.4.80.0010.0204.75
4.4.70.0050.0184.75
4.4.60.0040.0164.75
4.4.50.0030.0164.77
4.4.40.0010.0284.70
4.4.30.0030.0174.76
4.4.20.0030.0164.84
4.4.10.0040.0154.85
4.4.00.0030.0274.75
4.3.110.0050.0194.66
4.3.100.0020.0204.66
4.3.90.0040.0194.63
4.3.80.0030.0264.59
4.3.70.0060.0114.63
4.3.60.0000.0174.63
4.3.50.0040.0144.63
4.3.40.0050.0214.54
4.3.30.0010.0243.30
4.3.20.0010.0273.28
4.3.10.0060.0113.23
4.3.00.0130.02310.97

preferences:
44.38 ms | 401 KiB | 5 Q