3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function B() { ${'t' . 'his'} = 'hello'; // works return $this; } } $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)
8.3.70.0110.01116.75
8.3.60.0070.00716.75
8.3.50.0080.01222.74
8.3.40.0090.01218.54
8.3.30.0070.00718.84
8.3.20.0070.00020.07
8.3.10.0000.00823.48
8.3.00.0090.00019.25
8.2.180.0150.00616.63
8.2.170.0120.00622.96
8.2.160.0100.00320.43
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0030.00726.16
8.2.120.0060.00321.02
8.2.110.0030.00622.11
8.2.100.0090.00317.72
8.2.90.0040.00418.92
8.2.80.0090.00017.97
8.2.70.0040.00417.38
8.2.60.0060.00317.80
8.2.50.0080.00018.07
8.2.40.0000.00717.84
8.2.30.0040.00417.99
8.2.20.0040.00417.42
8.2.10.0060.00317.98
8.2.00.0040.00417.42
8.1.280.0070.00725.92
8.1.270.0000.00823.79
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0000.00923.87
8.1.230.0030.00819.01
8.1.220.0050.00317.74
8.1.210.0030.00518.77
8.1.200.0070.00317.35
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0030.00620.22
8.1.160.0040.00422.04
8.1.150.0000.00718.93
8.1.140.0020.00517.45
8.1.130.0030.00317.70
8.1.120.0040.00417.38
8.1.110.0040.00417.45
8.1.100.0040.00417.34
8.1.90.0040.00417.34
8.1.80.0030.00417.42
8.1.70.0050.00317.40
8.1.60.0000.00917.56
8.1.50.0040.00417.50
8.1.40.0000.00917.51
8.1.30.0040.00417.48
8.1.20.0040.00417.58
8.1.10.0040.00417.58
8.1.00.0000.00717.48
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0080.00018.32
8.0.270.0040.00417.25
8.0.260.0050.00317.25
8.0.250.0030.00316.90
8.0.240.0060.00316.89
8.0.230.0040.00417.03
8.0.220.0000.00716.84
8.0.210.0060.00316.80
8.0.200.0000.00617.00
8.0.190.0080.00017.05
8.0.180.0050.00216.99
8.0.170.0070.00016.83
8.0.160.0050.00216.89
8.0.150.0000.00716.78
8.0.140.0050.00216.87
8.0.130.0060.00013.41
8.0.120.0030.00516.88
8.0.110.0040.00416.81
8.0.100.0000.00816.84
8.0.90.0040.00416.87
8.0.80.0140.00616.86
8.0.70.0040.00416.80
8.0.60.0000.00816.84
8.0.50.0040.00417.00
8.0.30.0110.00817.08
8.0.20.0070.01417.40
8.0.10.0000.00817.11
8.0.00.0120.00716.91
7.4.330.0000.00615.04
7.4.320.0070.00016.60
7.4.300.0060.00016.63
7.4.290.0030.00316.64
7.4.280.0030.00616.53
7.4.270.0070.00016.64
7.4.260.0060.00016.45
7.4.250.0050.00316.36
7.4.240.0050.00216.53
7.4.230.0070.00016.47
7.4.220.0000.01716.60
7.4.210.0030.01016.45
7.4.200.0040.00416.34
7.4.160.0040.01116.65
7.4.150.0070.01117.40
7.4.140.0140.00917.86
7.4.130.0070.01016.61
7.4.120.0100.00716.46
7.4.110.0100.00616.50
7.4.100.0070.01016.65
7.4.90.0060.01216.38
7.4.80.0100.01019.39
7.4.70.0070.01016.45
7.4.60.0140.00316.45
7.4.50.0050.00316.66
7.4.40.0090.00616.48
7.4.30.0030.01416.48
7.4.00.0030.01015.12
7.3.330.0000.00613.21
7.3.320.0020.00213.44
7.3.310.0070.00016.26
7.3.300.0070.00016.43
7.3.290.0100.00616.29
7.3.280.0100.00916.36
7.3.270.0130.00417.40
7.3.260.0080.00816.39
7.3.250.0080.01016.40
7.3.240.0000.02316.55
7.3.230.0090.00616.46
7.3.210.0130.00316.29
7.3.200.0060.01319.39
7.3.190.0150.00616.37
7.3.180.0040.01116.25
7.3.170.0070.00716.34
7.3.160.0100.00716.34
7.2.330.0120.01216.63
7.2.320.0090.01216.57
7.2.310.0030.01316.54
7.2.300.0150.00616.64
7.2.290.0030.01316.43
7.2.60.0120.00416.78
7.1.200.0070.00715.71
7.1.70.0030.00616.99
7.1.60.0100.01319.40
7.1.50.0090.00616.86
7.1.00.0100.06722.27
7.0.200.0000.00716.53
7.0.140.0100.06721.96
7.0.60.0100.05020.03
7.0.50.0000.04717.97
7.0.40.0100.05720.20
7.0.30.0470.06020.26
7.0.20.0070.05020.23
7.0.10.0000.09320.30
7.0.00.0070.08020.23
5.6.280.0070.07020.96
5.6.210.0070.07720.67
5.6.200.0130.08018.13
5.6.190.0170.08020.49
5.6.180.0270.06320.66
5.6.170.0170.04020.57
5.6.160.0030.09020.51
5.6.150.0100.06318.12
5.6.140.0130.03018.18
5.6.130.0100.06018.16
5.6.120.0100.06321.02
5.6.110.0130.08020.99
5.6.100.0100.05321.01
5.6.90.0070.07720.97
5.6.80.0030.09320.44
5.5.350.0030.07320.38
5.5.340.0030.05018.09
5.5.330.0130.08020.46
5.5.320.0330.04020.35
5.5.310.0170.04020.29
5.5.300.0000.04717.95
5.5.290.0100.07317.98
5.5.280.0000.04320.90
5.5.270.0030.08720.75
5.5.260.0000.09320.96
5.5.250.0130.07320.61
5.5.240.3700.03720.19
5.4.450.0400.04019.28
5.4.440.0200.05319.47
5.4.430.0300.04719.54
5.4.420.0530.03719.47
5.4.410.0370.04319.42
5.4.400.0470.04019.08
5.4.390.0400.03319.22
5.4.380.0730.06718.50
5.4.370.0900.05318.74
5.4.360.0870.05318.63
5.4.350.0830.06718.74
5.4.340.0730.05018.67
5.4.320.0050.03712.50
5.4.310.0060.03812.50
5.4.300.0060.03612.50
5.4.290.0100.03412.50
5.4.280.0060.03512.40
5.4.270.0070.03612.39
5.4.260.0090.03412.40
5.4.250.0060.03812.39
5.4.240.0050.03712.40
5.4.230.0100.04112.38
5.4.220.0060.03712.39
5.4.210.0070.04012.39
5.4.200.0080.03412.39
5.4.190.0070.03512.38
5.4.180.0060.03612.38
5.4.170.0060.03612.39
5.4.160.0050.04612.39
5.4.150.0070.03612.39
5.4.140.0060.03612.07
5.4.130.0080.03612.06
5.4.120.0070.03412.02
5.4.110.0060.03812.01
5.4.100.0080.03312.01
5.4.90.0090.04612.01
5.4.80.0110.03212.02
5.4.70.0050.04612.01
5.4.60.0090.04712.01
5.4.50.0100.04512.01
5.4.40.0050.03912.00
5.4.30.0080.03411.99
5.4.20.0060.03711.99
5.4.10.0100.03812.00
5.4.00.0040.04311.48
5.3.290.0090.04412.80
5.3.280.0050.03912.71
5.3.270.0060.03812.73
5.3.260.0080.03812.72
5.3.250.0060.03712.72
5.3.240.0000.04212.72
5.3.230.0080.03412.71
5.3.220.0060.03812.68
5.3.210.0060.04012.68
5.3.200.0050.04312.68
5.3.190.0060.03812.68
5.3.180.0080.04012.67
5.3.170.0080.04112.67
5.3.160.0120.03112.67
5.3.150.0080.03712.67
5.3.140.0050.03712.66
5.3.130.0070.03812.66
5.3.120.0100.03512.66
5.3.110.0030.04112.66
5.3.100.0040.03812.11
5.3.90.0090.03612.10
5.3.80.0050.04012.09
5.3.70.0110.03312.09
5.3.60.0080.03412.07
5.3.50.0060.03612.03
5.3.40.0080.03512.02
5.3.30.0060.04811.97
5.3.20.0030.03911.76
5.3.10.0070.03311.72
5.3.00.0050.03711.71
5.2.170.0070.0289.22
5.2.160.0090.0259.22
5.2.150.0060.0289.22
5.2.140.0070.0289.21
5.2.130.0030.0329.18
5.2.120.0070.0339.18
5.2.110.0070.0379.18
5.2.100.0040.0379.17
5.2.90.0040.0309.18
5.2.80.0060.0309.17
5.2.70.0080.0359.17
5.2.60.0100.0319.13
5.2.50.0080.0309.09
5.2.40.0030.0309.07
5.2.30.0050.0339.05
5.2.20.0050.0289.03
5.2.10.0040.0298.93
5.2.00.0040.0298.80
5.1.60.0050.0238.09
5.1.50.0070.0228.09
5.1.40.0030.0258.06
5.1.30.0070.0238.41
5.1.20.0070.0248.43
5.1.10.0020.0278.16
5.1.00.0030.0268.16
5.0.50.0020.0226.64
5.0.40.0070.0156.49
5.0.30.0020.0326.31
5.0.20.0030.0206.27
5.0.10.0050.0196.25
5.0.00.0040.0296.25
4.4.90.0040.0134.78
4.4.80.0040.0144.76
4.4.70.0050.0204.75
4.4.60.0050.0134.76
4.4.50.0020.0174.77
4.4.40.0050.0284.71
4.4.30.0050.0134.75
4.4.20.0010.0174.84
4.4.10.0030.0154.85
4.4.00.0030.0254.76
4.3.110.0030.0164.67
4.3.100.0030.0154.67
4.3.90.0030.0144.63
4.3.80.0010.0254.58
4.3.70.0030.0144.63
4.3.60.0030.0154.63
4.3.50.0010.0174.63
4.3.40.0060.0214.54
4.3.30.0020.0163.30
4.3.20.0010.0183.28
4.3.10.0020.0163.23
4.3.00.0000.01315.97

preferences:
38.59 ms | 401 KiB | 5 Q