3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A{ public $a=123456; function c(){ $a="this"; echo $$a->c; } } $aa=new A; $aa->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)
8.3.40.0040.01118.67
8.3.30.0100.00318.96
8.3.20.0080.00020.14
8.3.10.0070.00023.48
8.3.00.0080.00019.51
8.2.170.0150.00022.96
8.2.160.0100.00320.39
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0000.00719.79
8.2.110.0030.00622.20
8.2.100.0070.00417.72
8.2.90.0060.00619.05
8.2.80.0080.00017.97
8.2.70.0000.00917.63
8.2.60.0040.00417.90
8.2.50.0030.00518.07
8.2.40.0040.00418.28
8.2.30.0020.00518.05
8.2.20.0020.00517.59
8.2.10.0080.00018.12
8.2.00.0050.00317.84
8.1.270.0040.00422.14
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0090.00023.79
8.1.230.0090.00319.07
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0090.00317.35
8.1.190.0000.00817.23
8.1.180.0020.00518.10
8.1.170.0000.00818.71
8.1.160.0000.00721.98
8.1.150.0000.00718.79
8.1.140.0040.00417.39
8.1.130.0030.00317.82
8.1.120.0040.00417.36
8.1.110.0000.00717.47
8.1.100.0040.00417.49
8.1.90.0000.00717.43
8.1.80.0000.00717.38
8.1.70.0070.00017.38
8.1.60.0000.00817.52
8.1.50.0040.00417.55
8.1.40.0000.00817.55
8.1.30.0000.00917.61
8.1.20.0050.00217.54
8.1.10.0000.00717.50
8.1.00.0040.00417.48
8.0.300.0070.00018.77
8.0.290.0050.00216.88
8.0.280.0040.00418.43
8.0.270.0000.00717.34
8.0.260.0030.00317.30
8.0.250.0030.00316.98
8.0.240.0070.00017.05
8.0.230.0030.00316.87
8.0.220.0030.00316.91
8.0.210.0030.00316.96
8.0.200.0050.00517.00
8.0.190.0070.00016.88
8.0.180.0110.00016.91
8.0.170.0000.00716.88
8.0.160.0000.00716.86
8.0.150.0030.00316.93
8.0.140.0040.00416.89
8.0.130.0000.00513.34
8.0.120.0040.00416.95
8.0.110.0070.00016.96
8.0.100.0000.00717.01
8.0.90.0040.00416.78
8.0.80.0140.00016.83
8.0.70.0070.00016.86
8.0.60.0040.00416.75
8.0.50.0050.00316.92
8.0.30.0100.00917.28
8.0.20.0060.01117.40
8.0.10.0050.00317.02
8.0.00.0090.00817.00
7.4.330.0020.00215.01
7.4.320.0030.00316.62
7.4.300.0000.00716.63
7.4.290.0050.00216.36
7.4.280.0030.00616.59
7.4.270.0070.00016.51
7.4.260.0080.00016.57
7.4.250.0030.00616.60
7.4.240.0020.00616.54
7.4.230.0030.00316.66
7.4.220.0090.01216.62
7.4.210.0050.00816.37
7.4.200.0070.00016.57
7.4.160.0070.01016.50
7.4.150.0160.00417.40
7.4.140.0130.00517.86
7.4.130.0100.01116.47
7.4.120.0100.00716.53
7.4.110.0070.01616.54
7.4.100.0130.00316.50
7.4.90.0070.01116.43
7.4.80.0090.00919.39
7.4.70.0120.00616.57
7.4.60.0090.00916.64
7.4.50.0040.00016.45
7.4.40.0040.01216.66
7.4.30.0130.00316.73
7.4.00.0070.00715.04
7.3.330.0030.00313.13
7.3.320.0030.00313.36
7.3.310.0000.00716.32
7.3.300.0070.00016.23
7.3.290.0000.01416.36
7.3.280.0090.00716.32
7.3.270.0140.00317.40
7.3.260.0070.01116.42
7.3.250.0070.01016.42
7.3.240.0150.00316.46
7.3.230.0060.01116.39
7.3.210.0160.00616.48
7.3.200.0060.01619.39
7.3.190.0110.00616.49
7.3.180.0120.00916.40
7.3.170.0000.01616.33
7.3.160.0130.00616.42
7.3.120.0070.01014.74
7.3.110.0030.01014.87
7.3.100.0100.00314.96
7.3.90.0090.00614.88
7.3.80.0070.00414.59
7.3.70.0060.00914.79
7.3.60.0040.01114.96
7.3.50.0060.00914.54
7.3.40.0140.00314.93
7.3.30.0070.00714.88
7.3.20.0070.00416.80
7.3.10.0040.00716.76
7.3.00.0030.01016.56
7.2.330.0100.00716.74
7.2.320.0110.01316.85
7.2.310.0070.01016.54
7.2.300.0040.01616.35
7.2.290.0030.01316.82
7.2.240.0030.00915.15
7.2.230.0000.00915.32
7.2.220.0080.00615.24
7.2.210.0040.01114.98
7.2.200.0110.00414.87
7.2.190.0030.01314.67
7.2.180.0130.00314.95
7.2.170.0040.01214.76
7.2.160.0120.00314.99
7.2.150.0120.00316.89
7.2.140.0030.01016.66
7.2.130.0120.00016.63
7.2.120.0070.01016.70
7.2.110.0030.00916.87
7.2.100.0040.01416.79
7.2.90.0060.00616.53
7.2.80.0040.01116.93
7.2.70.0030.00916.87
7.2.60.0030.00916.89
7.2.50.0030.01216.92
7.2.40.0070.01016.94
7.2.30.0090.00616.92
7.2.20.0070.00716.90
7.2.10.0100.00317.05
7.2.00.0070.00818.28
7.1.330.0100.00315.49
7.1.320.0070.00715.85
7.1.310.0070.01015.55
7.1.300.0040.00715.83
7.1.290.0070.00415.55
7.1.280.0100.00715.42
7.1.270.0100.00315.49
7.1.260.0100.00315.61
7.1.250.0060.00915.58
7.1.100.0030.00517.80
7.1.70.0000.01117.14
7.1.60.0070.01619.40
7.1.50.0090.01316.93
7.1.00.0030.07722.31
7.0.200.0000.00816.87
7.0.140.0030.07322.10
7.0.60.0030.05319.97
7.0.50.0000.04717.95
7.0.40.0000.06020.27
7.0.30.0330.05020.12
7.0.20.0170.04020.38
7.0.10.0100.08320.27
7.0.00.0100.04020.05
5.6.280.0000.07720.79
5.6.210.0100.07720.76
5.6.200.0100.03718.29
5.6.190.0170.08320.59
5.6.180.0370.08020.67
5.6.170.0230.08320.57
5.6.160.0070.03720.54
5.6.150.0100.07318.29
5.6.140.0070.03718.21
5.6.130.0070.08318.26
5.6.120.0070.06021.00
5.6.110.0100.08020.99
5.6.100.0070.08020.98
5.6.90.0070.08720.88
5.6.80.0030.06720.54
5.5.350.0030.08320.38
5.5.340.0100.04317.92
5.5.330.0170.07020.32
5.5.320.0270.05720.28
5.5.310.0270.07720.37
5.5.300.0130.07317.95
5.5.290.0070.07317.96
5.5.280.0100.03320.69
5.5.270.0030.06020.84
5.5.260.0130.08320.84
5.5.250.0100.04720.54
5.5.240.1770.03720.15
5.4.450.0700.04719.46
5.4.440.0270.04719.57
5.4.430.0300.04319.55
5.4.420.0200.04719.21
5.4.410.0430.04019.36
5.4.400.0330.04019.09
5.4.390.0530.03319.16
5.4.380.0130.05318.63
5.4.370.0170.05018.72
5.4.360.0200.04318.53
5.4.350.0200.05018.75
5.4.340.0170.06018.73
5.4.320.0040.04212.50
5.4.310.0070.03812.50
5.4.300.0080.03612.50
5.4.290.0050.04012.50
5.4.280.0060.03612.40
5.4.270.0110.03412.39
5.4.260.0040.04312.40
5.4.250.0050.03812.40
5.4.240.0090.04012.39
5.4.230.0080.03512.39
5.4.220.0060.03512.38
5.4.210.0050.04012.39
5.4.200.0050.04012.38
5.4.190.0050.03612.38
5.4.180.0040.03712.38
5.4.170.0050.03712.40
5.4.160.0060.03612.39
5.4.150.0050.03712.39
5.4.140.0070.03612.07
5.4.130.0090.03212.06
5.4.120.0040.03812.02
5.4.110.0050.03612.01
5.4.100.0030.03712.01
5.4.90.0050.03712.02
5.4.80.0030.03912.02
5.4.70.0060.03312.01
5.4.60.0050.03612.00
5.4.50.0050.03612.01
5.4.40.0080.03212.00
5.4.30.0050.03511.99
5.4.20.0040.03612.00
5.4.10.0030.03611.99
5.4.00.0050.03711.48
5.3.290.0140.03012.80
5.3.280.0080.03512.71
5.3.270.0030.04112.72
5.3.260.0030.04112.72
5.3.250.0050.04012.72
5.3.240.0050.03712.72
5.3.230.0050.03912.71
5.3.220.0120.03312.68
5.3.210.0070.05212.68
5.3.200.0070.04112.68
5.3.190.0080.03512.68
5.3.180.0060.03912.68
5.3.170.0070.03712.67
5.3.160.0040.03912.67
5.3.150.0080.03612.67
5.3.140.0070.03712.66
5.3.130.0060.03812.66
5.3.120.0060.03912.66
5.3.110.0050.04012.66
5.3.100.0050.04212.12
5.3.90.0060.04012.10
5.3.80.0080.04412.09
5.3.70.0100.04612.09
5.3.60.0080.04912.07
5.3.50.0070.04212.02
5.3.40.0030.04012.02
5.3.30.0070.03611.98
5.3.20.0050.03711.76
5.3.10.0080.03311.73
5.3.00.0090.04011.71
5.2.170.0030.0349.22
5.2.160.0030.0349.22
5.2.150.0060.0339.22
5.2.140.0080.0309.21
5.2.130.0050.0329.18
5.2.120.0060.0369.18
5.2.110.0080.0409.19
5.2.100.0040.0439.18
5.2.90.0090.0389.17
5.2.80.0080.0409.17
5.2.70.0060.0329.17
5.2.60.0080.0409.12
5.2.50.0100.0329.09
5.2.40.0050.0289.07
5.2.30.0030.0309.04
5.2.20.0030.0309.03
5.2.10.0060.0278.94
5.2.00.0060.0288.80
5.1.60.0050.0228.08
5.1.50.0040.0248.08
5.1.40.0030.0268.07
5.1.30.0020.0288.41
5.1.20.0030.0278.44
5.1.10.0040.0268.16
5.1.00.0070.0238.16
5.0.50.0040.0206.64
5.0.40.0060.0246.49
5.0.30.0030.0376.32
5.0.20.0070.0226.27
5.0.10.0060.0236.25
5.0.00.0040.0336.25
4.4.90.0050.0144.78
4.4.80.0030.0164.75
4.4.70.0050.0144.75
4.4.60.0030.0184.75
4.4.50.0010.0174.77
4.4.40.0010.0284.70
4.4.30.0020.0174.76
4.4.20.0010.0174.85
4.4.10.0020.0174.85
4.4.00.0020.0264.76
4.3.110.0050.0154.67
4.3.100.0020.0164.67
4.3.90.0040.0144.64
4.3.80.0040.0254.58
4.3.70.0020.0154.63
4.3.60.0020.0164.63
4.3.50.0010.0184.63
4.3.40.0040.0244.54
4.3.30.0020.0203.30
4.3.20.0020.0173.28
4.3.10.0000.0183.23
4.3.00.0000.02015.62

preferences:
39.32 ms | 400 KiB | 5 Q