3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace foo\bar { const baz = 42; } namespace { use foo\bar\baz; var_dump ( baz ); } namespace { use foo\bar as foo_bar; use foo\BAZ as FOO_BAZ; var_dump ( foo_bar () ); var_dump ( FOO_BAZ ); }

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)
8.3.60.0110.00418.55
8.3.50.0060.01521.94
8.3.40.0040.01118.84
8.3.30.0120.00319.06
8.3.20.0040.00420.16
8.3.10.0080.00020.48
8.3.00.0040.00419.68
8.2.180.0150.00016.85
8.2.170.0070.00722.96
8.2.160.0110.00320.34
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0070.00722.13
8.2.110.0030.00621.99
8.2.100.0000.01117.91
8.2.90.0080.00019.11
8.2.80.0060.00317.97
8.2.70.0000.00817.46
8.2.60.0040.00417.93
8.2.50.0030.00518.07
8.2.40.0050.00318.16
8.2.30.0050.00319.39
8.2.20.0000.00717.74
8.2.10.0080.00018.06
8.2.00.0040.00417.64
8.1.280.0070.00725.92
8.1.270.0080.00023.96
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0070.01418.43
8.1.230.0070.00319.03
8.1.220.0000.00717.74
8.1.210.0000.00918.77
8.1.200.0000.00917.35
8.1.190.0090.00017.25
8.1.180.0040.00418.10
8.1.170.0000.00818.40
8.1.160.0030.00322.00
8.1.150.0040.00418.82
8.1.140.0040.00417.38
8.1.130.0000.00717.70
8.1.120.0000.01017.39
8.1.110.0040.00417.30
8.1.100.0030.00317.30
8.1.90.0040.00417.37
8.1.80.0000.00817.36
8.1.70.0030.00317.25
8.1.60.0000.00917.41
8.1.50.0080.00017.39
8.1.40.0050.00317.46
8.1.30.0040.00417.48
8.1.20.0030.00517.53
8.1.10.0040.00417.46
8.1.00.0000.00817.46
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0040.00418.38
8.0.270.0070.00017.29
8.0.260.0000.00617.30
8.0.250.0000.00617.05
8.0.240.0040.00517.04
8.0.230.0030.00316.96
8.0.220.0030.00316.87
8.0.210.0070.00016.95
8.0.200.0040.00417.00
8.0.190.0060.00316.93
8.0.180.0000.00716.86
8.0.170.0000.00716.91
8.0.160.0070.00016.85
8.0.150.0030.00316.90
8.0.140.0000.00916.93
8.0.130.0060.00013.39
8.0.120.0000.00716.96
8.0.110.0040.00416.97
8.0.100.0080.00016.82
8.0.90.0000.00716.73
8.0.80.0150.00016.86
8.0.70.0000.00716.82
8.0.60.0040.00416.84
8.0.50.0070.00016.97
8.0.30.0080.01017.23
8.0.20.0060.01117.40
8.0.10.0050.00317.13
8.0.00.0090.01016.92
7.4.330.0060.00015.00
7.4.320.0040.00416.45
7.4.300.0000.00616.44
7.4.290.0040.00416.53
7.4.280.0030.00616.46
7.4.270.0030.00316.54
7.4.260.0060.00016.54
7.4.250.0000.00716.39
7.4.240.0030.00516.45
7.4.230.0070.00016.28
7.4.220.0070.01016.54
7.4.210.0050.00916.57
7.4.200.0040.00416.64
7.4.160.0190.00416.49
7.4.150.0070.01717.40
7.4.140.0100.00617.86
7.4.130.0080.00916.48
7.4.120.0090.00816.50
7.4.110.0000.01716.38
7.4.100.0120.00616.64
7.4.90.0080.00816.62
7.4.80.0150.00616.54
7.4.70.0080.01116.46
7.4.60.0080.00816.57
7.4.50.0080.00016.50
7.4.40.0030.01316.49
7.4.30.0090.00616.44
7.4.00.0070.00914.92
7.3.330.0080.00013.10
7.3.320.0030.00313.17
7.3.310.0000.00716.11
7.3.300.0030.00316.22
7.3.290.0130.00016.21
7.3.280.0080.00916.27
7.3.270.0190.00317.40
7.3.260.0070.01416.27
7.3.250.0070.00916.40
7.3.240.0080.00816.30
7.3.230.0000.02116.39
7.3.210.0120.00616.28
7.3.200.0070.01419.39
7.3.190.0110.00516.38
7.3.180.0150.00616.41
7.3.170.0090.00616.41
7.3.160.0130.01016.58
7.3.120.0050.01414.91
7.3.110.0070.00814.76
7.3.100.0020.01414.79
7.3.90.0060.01014.90
7.3.80.0060.00714.99
7.3.70.0080.00814.70
7.3.60.0100.00414.91
7.3.50.0090.00514.88
7.3.40.0070.00714.59
7.3.30.0020.01014.84
7.3.20.0040.00716.63
7.3.10.0030.01016.75
7.3.00.0040.01216.73
7.2.330.0040.01416.68
7.2.320.0040.01816.42
7.2.310.0130.00316.55
7.2.300.0070.01016.66
7.2.290.0030.01316.80
7.2.250.0100.01014.85
7.2.240.0080.01215.14
7.2.230.0100.00514.95
7.2.220.0060.00814.90
7.2.210.0090.00414.96
7.2.200.0020.01114.96
7.2.190.0060.00815.05
7.2.180.0030.00914.95
7.2.170.0080.00815.01
7.2.60.0000.01416.91
7.2.00.0040.00819.30
7.1.330.0050.01015.90
7.1.320.0020.00815.88
7.1.310.0050.01015.84
7.1.300.0060.00815.47
7.1.290.0060.00815.64
7.1.280.0060.00915.76
7.1.270.0050.01015.63
7.1.260.0050.00615.77
7.1.200.0070.00715.63
7.1.100.0040.01117.95
7.1.70.0040.00417.09
7.1.60.0100.00719.32
7.1.50.0180.00616.79
7.1.00.0030.07722.54
7.0.200.0040.00416.68
7.0.140.0030.07321.98
7.0.60.0070.06720.06
7.0.50.0030.08317.68
7.0.40.0030.06020.07
7.0.30.0230.05020.17
7.0.20.0200.05020.20
7.0.10.0100.08719.99
7.0.00.0030.06020.12
5.6.210.0070.08020.69
5.6.200.0030.08318.12
5.6.190.0100.07720.56
5.6.180.0400.06320.77
5.6.170.0400.05720.54
5.6.160.0030.04320.33
5.6.150.0000.04718.08
5.6.140.0130.07318.19
5.6.130.0170.07318.08
5.6.120.0030.06720.79
5.6.110.0070.07721.02
5.6.100.0030.07020.97
5.6.90.0030.07721.00
5.6.80.0030.06320.38
5.5.350.0170.08320.49
5.5.340.0100.08017.96
5.5.330.0100.08020.47
5.5.320.0400.07020.14
5.5.310.0070.04720.30
5.5.300.0130.07717.95
5.5.290.0030.05017.91
5.5.280.0230.07020.95
5.5.270.0030.04020.94
5.5.260.0070.04020.75
5.5.250.0130.07720.58
5.5.240.0130.06320.18
5.4.450.0070.06719.49
5.4.440.0600.08319.58
5.4.430.0130.06719.54
5.4.420.0670.05719.63
5.4.410.0670.05019.39
5.4.400.0730.05019.28
5.4.390.0770.05019.31
5.4.380.0370.06318.60
5.4.370.0300.06018.64
5.4.360.0430.05018.46
5.4.350.0430.05718.58
5.4.340.0430.05318.69
5.4.320.0100.03512.45
5.4.310.0080.03712.45
5.4.300.0060.03712.45
5.4.290.0040.04212.45
5.4.280.0050.03712.34
5.4.270.0080.03512.34
5.4.260.0050.04012.34
5.4.250.0050.04012.35
5.4.240.0070.03712.34
5.4.230.0070.04312.34
5.4.220.0070.03712.34
5.4.210.0110.04612.34
5.4.200.0060.06412.34
5.4.190.0070.05012.34
5.4.180.0060.05112.33
5.4.170.0070.03712.35
5.4.160.0100.04612.34
5.4.150.0110.03512.34
5.4.140.0070.04012.02
5.4.130.0060.03612.01
5.4.120.0080.03411.96
5.4.110.0040.03911.96
5.4.100.0040.03711.96
5.4.90.0070.04111.96
5.4.80.0060.03711.96
5.4.70.0060.03511.96
5.4.60.0120.04511.96
5.4.50.0150.04311.96
5.4.40.0140.04211.95
5.4.30.0130.03411.95
5.4.20.0060.03811.95
5.4.10.0070.04111.95
5.4.00.0090.03611.44
5.3.290.0080.04712.80
5.3.280.0100.05012.71
5.3.270.0110.04812.73
5.3.260.0150.04512.72
5.3.250.0090.04912.72
5.3.240.0080.05012.72
5.3.230.0130.04112.71
5.3.220.0130.04612.68
5.3.210.0280.04912.68
5.3.200.0090.04912.68
5.3.190.0100.04212.68
5.3.180.0090.04812.67
5.3.170.0100.03412.67
5.3.160.0150.04112.67
5.3.150.0110.04712.67
5.3.140.0110.04812.66
5.3.130.0070.04312.66
5.3.120.0080.03812.66
5.3.110.0070.03912.66
5.3.100.0070.03912.12
5.3.90.0070.03712.08
5.3.80.0070.03712.07
5.3.70.0080.03512.07
5.3.60.0070.03612.06
5.3.50.0050.03812.00
5.3.40.0070.03612.00
5.3.30.0080.04411.94
5.3.20.0090.04711.72
5.3.10.0090.05511.70
5.3.00.0100.06911.68
5.2.170.0070.0339.18
5.2.160.0090.0419.18
5.2.150.0090.0439.18
5.2.140.0050.0329.18
5.2.130.0040.0369.14
5.2.120.0050.0339.14
5.2.110.0060.0299.14
5.2.100.0060.0289.14
5.2.90.0040.0319.14
5.2.80.0040.0309.14
5.2.70.0030.0339.14
5.2.60.0080.0289.09
5.2.50.0080.0329.06
5.2.40.0030.0339.03
5.2.30.0050.0319.02
5.2.20.0050.0299.00
5.2.10.0040.0288.93
5.2.00.0040.0308.78
5.1.60.0050.0288.07
5.1.50.0080.0338.06
5.1.40.0050.0358.05
5.1.30.0090.0328.40
5.1.20.0080.0258.42
5.1.10.0060.0348.14
5.1.00.0070.0358.14
5.0.50.0060.0186.62
5.0.40.0050.0196.48
5.0.30.0020.0366.29
5.0.20.0040.0276.27
5.0.10.0060.0276.24
5.0.00.0050.0306.23
4.4.90.0040.0144.78
4.4.80.0040.0144.76
4.4.70.0030.0194.75
4.4.60.0030.0164.76
4.4.50.0020.0174.77
4.4.40.0050.0254.71
4.4.30.0070.0134.75
4.4.20.0040.0164.85
4.4.10.0030.0144.85
4.4.00.0060.0214.76
4.3.110.0020.0164.67
4.3.100.0030.0154.67
4.3.90.0050.0164.64
4.3.80.0030.0254.59
4.3.70.0040.0164.63
4.3.60.0020.0214.62
4.3.50.0050.0174.63
4.3.40.0060.0274.54
4.3.30.0030.0173.28
4.3.20.0030.0213.26
4.3.10.0030.0173.22
4.3.00.0000.0236.81

preferences:
59.67 ms | 401 KiB | 5 Q