3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo extends stdClass { private $boo = 'bou'; function getVarName() { return $this->boo; } } $foo = new foo; print $foo->{getVarName()};

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)
8.3.40.0040.01118.98
8.3.30.0110.00319.27
8.3.20.0070.00020.16
8.3.10.0080.00021.71
8.3.00.0090.00019.38
8.2.170.0080.00822.96
8.2.160.0100.01020.58
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00422.23
8.2.110.0060.00320.48
8.2.100.0070.00318.09
8.2.90.0060.00319.00
8.2.80.0030.00517.97
8.2.70.0090.00017.75
8.2.60.0030.00517.91
8.2.50.0000.00818.07
8.2.40.0040.00419.82
8.2.30.0070.00017.99
8.2.20.0040.00417.56
8.2.10.0040.00417.89
8.2.00.0040.00417.56
8.1.270.0030.00622.14
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0030.00623.77
8.1.230.0080.00418.94
8.1.220.0030.00617.74
8.1.210.0050.00318.77
8.1.200.0030.00917.23
8.1.190.0060.00316.98
8.1.180.0040.00418.10
8.1.170.0030.00618.59
8.1.160.0030.00321.91
8.1.150.0000.00718.70
8.1.140.0040.00417.29
8.1.130.0030.00317.88
8.1.120.0000.00817.41
8.1.110.0000.00717.35
8.1.100.0000.00817.37
8.1.90.0040.00417.40
8.1.80.0030.00317.29
8.1.70.0030.00317.39
8.1.60.0040.00417.54
8.1.50.0090.00017.51
8.1.40.0040.00417.52
8.1.30.0050.00317.70
8.1.20.0000.00817.66
8.1.10.0040.00417.53
8.1.00.0090.00317.47
8.0.300.0000.00818.77
8.0.290.0040.00416.63
8.0.280.0030.00318.40
8.0.270.0030.00617.20
8.0.260.0000.00617.19
8.0.250.0000.00716.86
8.0.240.0040.00416.94
8.0.230.0000.00716.96
8.0.220.0060.00316.82
8.0.210.0070.00016.93
8.0.200.0030.00316.94
8.0.190.0050.00516.89
8.0.180.0000.00816.94
8.0.170.0040.00416.93
8.0.160.0000.00716.80
8.0.150.0060.00316.74
8.0.140.0050.00216.87
8.0.130.0030.00313.30
8.0.120.0050.00316.88
8.0.110.0040.00416.90
8.0.100.0050.00316.77
8.0.90.0070.00016.84
8.0.80.0070.00716.87
8.0.70.0040.00416.93
8.0.60.0040.00416.71
8.0.50.0020.00516.82
8.0.30.0150.00617.05
8.0.20.0130.00617.40
8.0.10.0040.00416.89
8.0.00.0080.00816.62
7.4.330.0030.00315.00
7.4.320.0030.00316.53
7.4.300.0060.00016.46
7.4.290.0000.00716.61
7.4.280.0030.00516.45
7.4.270.0030.00316.58
7.4.260.0030.00916.51
7.4.250.0050.00316.45
7.4.240.0000.00716.50
7.4.230.0080.00016.50
7.4.220.0130.00616.70
7.4.210.0040.01116.43
7.4.200.0000.00716.67
7.4.160.0070.01016.56
7.4.150.0150.00317.40
7.4.140.0090.00917.86
7.4.130.0090.01316.49
7.4.120.0110.00616.55
7.4.110.0120.00616.51
7.4.100.0060.01016.50
7.4.90.0060.01216.49
7.4.80.0060.01219.39
7.4.70.0090.00816.32
7.4.60.0090.00616.39
7.4.50.0040.00416.54
7.4.40.0100.00716.45
7.4.30.0080.00816.50
7.4.10.0130.00316.66
7.4.00.0080.00915.89
7.3.330.0050.00013.30
7.3.320.0000.00613.25
7.3.310.0000.00816.32
7.3.300.0000.00716.34
7.3.290.0050.00916.32
7.3.280.0110.00516.31
7.3.270.0110.00817.40
7.3.260.0140.00316.37
7.3.250.0060.01116.42
7.3.240.0130.01016.31
7.3.230.0130.00316.39
7.3.210.0060.01216.64
7.3.200.0100.01019.39
7.3.190.0090.01016.32
7.3.180.0080.00816.28
7.3.170.0110.01116.41
7.3.160.0060.00916.23
7.3.130.0110.00716.36
7.3.120.0120.00316.45
7.3.110.0040.01116.23
7.3.100.0000.01516.18
7.3.90.0040.01116.26
7.3.80.0030.00916.39
7.3.70.0040.00716.32
7.3.60.0070.00716.32
7.3.50.0030.01316.29
7.3.40.0100.00316.20
7.3.30.0150.00016.30
7.3.20.0060.00918.06
7.3.10.0050.00817.14
7.3.00.0050.00817.31
7.2.330.0030.01516.66
7.2.320.0090.00916.67
7.2.310.0060.01016.45
7.2.300.0030.01316.62
7.2.290.0090.00816.71
7.2.260.0070.01316.55
7.2.250.0100.00416.54
7.2.240.0100.00616.57
7.2.230.0090.00616.42
7.2.220.0040.00716.71
7.2.210.0110.00616.30
7.2.200.0070.00716.36
7.2.190.0080.00816.57
7.2.180.0070.00416.39
7.2.170.0030.01016.43
7.2.160.0060.00916.41
7.2.150.0030.00618.21
7.2.140.0040.00718.36
7.2.130.0050.00717.64
7.2.120.0040.00817.52
7.2.110.0110.00517.52
7.2.100.0070.00317.47
7.2.90.0090.00517.69
7.2.80.0090.00717.46
7.2.70.0040.00917.55
7.2.60.0090.00517.26
7.2.50.0080.00517.58
7.2.40.0060.00917.52
7.2.30.0030.01117.60
7.2.20.0090.00417.53
7.2.10.0080.00617.40
7.2.00.0060.00518.21
7.1.330.0120.00417.17
7.1.320.0070.00717.11
7.1.310.0120.00417.28
7.1.300.0030.01017.20
7.1.290.0070.01017.18
7.1.280.0040.00817.11
7.1.270.0060.00917.05
7.1.260.0060.01017.18
7.1.250.0070.00516.37
7.1.240.0130.00317.11
7.1.230.0060.00317.13
7.1.220.0070.00717.07
7.1.210.0070.00717.14
7.1.200.0070.00516.36
7.1.190.0100.00716.99
7.1.180.0090.00617.21
7.1.170.0100.00317.11
7.1.160.0070.01017.06
7.1.150.0060.01117.09
7.1.140.0000.01117.05
7.1.130.0060.01017.10
7.1.120.0040.00817.21
7.1.110.0000.01317.23
7.1.100.0040.00717.53
7.1.90.0030.01317.10
7.1.80.0090.00317.36
7.1.70.0080.01016.90
7.1.60.0120.00918.06
7.1.50.0140.00716.93
7.1.40.0070.00717.21
7.1.30.0120.00317.29
7.1.20.0070.01117.16
7.1.10.0060.00617.11
7.1.00.0030.04319.77
7.0.330.0090.00616.94
7.0.320.0000.01416.72
7.0.310.0060.00316.89
7.0.300.0040.01116.88
7.0.290.0030.01316.84
7.0.280.0040.00716.74
7.0.270.0060.00616.96
7.0.260.0030.00716.77
7.0.250.0030.00616.77
7.0.240.0070.01017.00
7.0.230.0040.00717.00
7.0.220.0060.00616.90
7.0.210.0100.00716.86
7.0.200.0060.00516.88
7.0.190.0020.01316.82
7.0.180.0070.01116.84
7.0.170.0070.01116.95
7.0.160.0040.00816.75
7.0.150.0040.00716.84
7.0.140.0030.04219.47
7.0.130.0090.00616.84
7.0.120.0040.00717.02
7.0.110.0000.01016.99
7.0.100.0040.00416.96
7.0.90.0030.01016.96
7.0.80.0030.00717.04
7.0.70.0070.00416.75
7.0.60.0070.03018.45
7.0.50.0110.04117.38
7.0.40.0080.04317.53
7.0.30.0250.04217.56
7.0.20.0170.03717.43
7.0.10.0130.01817.45
7.0.00.0030.03517.53
5.6.400.0060.00915.66
5.6.390.0030.01215.86
5.6.380.0000.01315.84
5.6.370.0070.00415.99
5.6.360.0000.01115.84
5.6.350.0000.01216.08
5.6.340.0030.01015.79
5.6.330.0100.00015.69
5.6.320.0060.00915.63
5.6.310.0070.01015.62
5.6.300.0040.00715.66
5.6.290.0100.00315.93
5.6.280.0050.04118.40
5.6.270.0040.00815.63
5.6.260.0110.00415.63
5.6.250.0100.00715.89
5.6.240.0030.01215.57
5.6.230.0100.00316.06
5.6.220.0060.01015.66
5.6.210.0030.04018.17
5.6.200.0050.04316.98
5.6.190.0070.04917.99
5.6.180.0180.02318.21
5.6.170.0850.02318.15
5.6.160.0130.03518.12
5.6.150.0070.04516.99
5.6.140.0080.02517.03
5.6.130.0050.02617.04
5.6.120.0030.02518.42
5.6.110.0080.04618.41
5.6.100.0050.04418.45
5.6.90.0120.04018.32
5.6.80.0120.02518.07
5.6.70.0100.00615.72
5.6.60.0040.00715.58
5.6.50.0090.00615.58
5.6.40.0100.01015.65
5.6.30.0000.01215.82
5.6.20.0000.01515.62
5.6.10.0040.00915.66
5.6.00.0100.00715.73
5.5.380.0030.01015.68
5.5.370.0090.00615.71
5.5.360.0090.00315.64
5.5.350.0080.03318.08
5.5.340.0100.02516.94
5.5.330.0120.03818.08
5.5.320.0180.03518.05
5.5.310.0200.03217.97
5.5.300.0100.04316.84
5.5.290.0020.03716.88
5.5.280.0040.04518.28
5.5.270.0020.02918.17
5.5.260.0090.03818.31
5.5.250.0090.02418.18
5.5.240.0200.03517.96
5.5.230.0000.01315.66
5.5.220.0030.00615.43
5.5.210.0070.01115.62
5.5.200.0100.01015.81
5.5.190.0110.00415.73
5.5.180.0060.00615.69
5.5.170.0110.00415.56
5.5.160.0030.01015.76
5.5.150.0000.01115.88
5.5.140.0000.00915.76
5.5.130.0070.00715.76
5.5.120.0100.00615.60
5.5.110.0090.00615.65
5.5.100.0030.01415.68
5.5.90.0090.00315.75
5.5.80.0040.00815.68
5.5.70.0060.00915.25
5.5.60.0040.01415.36
5.5.50.0080.00815.66
5.5.40.0030.00915.42
5.5.30.0030.01315.70
5.5.20.0080.00815.72
5.5.10.0100.00315.71
5.5.00.0070.00715.77
5.4.450.0380.03116.11
5.4.440.0400.02815.93
5.4.430.0420.03416.13
5.4.420.0380.00015.90
5.4.410.0330.00316.08
5.4.400.0350.00315.80
5.4.390.0330.00515.74
5.4.380.0320.00515.87
5.4.370.0340.00615.79
5.4.360.0300.00415.85
5.4.350.0420.00415.75
5.4.340.0060.02012.27
5.4.330.0030.00612.56
5.4.320.0020.02312.53
5.4.310.0040.02312.60
5.4.300.0020.02212.52
5.4.290.0030.02512.44
5.4.280.0020.02212.47
5.4.270.0040.02312.37
5.4.260.0070.02212.44
5.4.250.0030.02312.38
5.4.240.0030.02312.49
5.4.230.0060.02312.49
5.4.220.0060.02112.42
5.4.210.0080.01812.51
5.4.200.0030.02312.44
5.4.190.0040.02312.50
5.4.180.0030.02412.40
5.4.170.0060.02112.37
5.4.160.0050.02112.50
5.4.150.0040.02212.37
5.4.140.0020.02412.28
5.4.130.0050.02212.25
5.4.120.0030.02312.27
5.4.110.0090.02112.31
5.4.100.0030.02212.19
5.4.90.0060.02312.22
5.4.80.0090.01912.25
5.4.70.0030.02412.26
5.4.60.0020.02212.31
5.4.50.0060.01912.33
5.4.40.0030.02312.33
5.4.30.0060.02012.22
5.4.20.0070.01912.31
5.4.10.0050.02112.27
5.4.00.0050.02312.04
5.3.290.0070.04412.80
5.3.280.0090.04212.71
5.3.270.0080.04312.72
5.3.260.0060.03912.72
5.3.250.0050.04112.72
5.3.240.0050.03812.72
5.3.230.0040.04112.70
5.3.220.0060.03812.68
5.3.210.0050.04112.68
5.3.200.0030.03912.68
5.3.190.0060.03912.68
5.3.180.0040.03812.67
5.3.170.0070.03512.67
5.3.160.0060.03712.67
5.3.150.0070.03612.67
5.3.140.0050.03712.66
5.3.130.0050.04312.65
5.3.120.0060.04212.66
5.3.110.0050.04112.66
5.3.100.0050.03812.12
5.3.90.0050.03912.10
5.3.80.0070.03612.09
5.3.70.0090.03412.09
5.3.60.0060.04112.07
5.3.50.0060.04112.03
5.3.40.0090.03812.03
5.3.30.0070.03511.98
5.3.20.0070.03511.77
5.3.10.0080.03211.73
5.3.00.0060.03611.72
5.2.170.0060.0369.22
5.2.160.0030.0319.23
5.2.150.0040.0329.23
5.2.140.0070.0369.22
5.2.130.0030.0319.18
5.2.120.0060.0339.18
5.2.110.0090.0279.19
5.2.100.0050.0299.18
5.2.90.0060.0299.18
5.2.80.0050.0319.18
5.2.70.0050.0329.18
5.2.60.0040.0329.12
5.2.50.0060.0299.09
5.2.40.0070.0279.07
5.2.30.0040.0309.05
5.2.20.0020.0319.03
5.2.10.0040.0288.94
5.2.00.0070.0378.80
5.1.60.0020.0348.09
5.1.50.0060.0248.08
5.1.40.0070.0248.06
5.1.30.0100.0218.41
5.1.20.0070.0258.44
5.1.10.0020.0288.16
5.1.00.0050.0258.16
5.0.50.0060.0196.64
5.0.40.0060.0176.50
5.0.30.0030.0336.32
5.0.20.0070.0176.28
5.0.10.0020.0216.26
5.0.00.0050.0376.25
4.4.90.0050.0134.78
4.4.80.0030.0224.75
4.4.70.0060.0174.76
4.4.60.0060.0204.75
4.4.50.0050.0304.77
4.4.40.0030.0244.71
4.4.30.0050.0144.76
4.4.20.0040.0144.84
4.4.10.0050.0184.85
4.4.00.0060.0294.76
4.3.110.0060.0164.67
4.3.100.0040.0144.66
4.3.90.0030.0154.63
4.3.80.0020.0284.58
4.3.70.0030.0144.63
4.3.60.0020.0154.63
4.3.50.0020.0164.63
4.3.40.0020.0244.54
4.3.30.0020.0163.30
4.3.20.0040.0143.28
4.3.10.0010.0173.23
4.3.00.0170.0277.95

preferences:
63.71 ms | 400 KiB | 5 Q