3v4l.org

run code in 300+ PHP versions simultaneously
<?php $n = 1000; for ($i = 1; $i < $n; $i++) { ${"$i level"} = ($i + 1).' level'; } $dream = 'Unicorn'; ${"$n level"} = 'dream'; $DiCaprio = '1 level'; $result = str_repeat('$', $n + 2).'DiCaprio'; printf("%s = '%s';", $result, eval("return $result;"));

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)
8.5.10.0100.00820.80
8.5.00.0130.00920.89
8.4.150.0020.00114.05
8.4.140.0120.01018.57
8.4.130.0130.01019.60
8.4.120.0110.01218.61
8.4.110.0120.01218.67
8.4.100.0080.01418.72
8.4.90.0090.00521.40
8.4.80.0130.00819.83
8.4.70.0130.00719.88
8.4.60.0120.01019.68
8.4.50.0090.01221.20
8.4.40.0060.00318.70
8.4.30.0070.01618.53
8.4.20.0070.01419.52
8.4.10.0000.01220.07
8.3.280.0120.01019.07
8.3.270.0150.00717.31
8.3.260.0040.00617.39
8.3.250.0140.00817.67
8.3.240.0130.00819.50
8.3.230.0160.00617.41
8.3.220.0100.01020.09
8.3.210.0090.01217.64
8.3.200.0080.00217.48
8.3.190.0030.00618.12
8.3.180.0100.01019.85
8.3.170.0090.00619.68
8.3.160.0130.00718.07
8.3.150.0070.01418.09
8.3.140.0080.00821.44
8.3.130.0040.00719.22
8.3.120.0070.00319.85
8.3.110.0030.00620.94
8.3.100.0000.01024.06
8.3.90.0060.00326.77
8.3.80.0030.00919.43
8.3.70.0070.01019.05
8.3.60.0140.00719.43
8.3.50.0140.01022.46
8.3.40.0130.00319.72
8.3.30.0100.00719.54
8.3.20.0000.00919.94
8.3.10.0080.00022.65
8.3.00.0080.00021.39
8.2.290.0110.01017.36
8.2.280.0110.00919.32
8.2.270.0130.00619.67
8.2.260.0100.00717.71
8.2.250.0070.00317.41
8.2.240.0000.00921.38
8.2.230.0200.00022.58
8.2.220.0090.00037.54
8.2.210.0060.01326.77
8.2.200.0030.00719.16
8.2.190.0130.00317.58
8.2.180.0120.00319.04
8.2.170.0060.00922.96
8.2.160.0130.00320.16
8.2.150.0000.00924.18
8.2.140.0060.00324.66
8.2.130.0040.00422.91
8.2.120.0000.00926.35
8.2.110.0060.00621.64
8.2.100.0140.00018.47
8.2.90.0000.00818.78
8.2.80.0060.00318.54
8.2.70.0030.00618.68
8.2.60.0040.00418.78
8.2.50.0030.00618.25
8.2.40.0030.00621.21
8.2.30.0040.00420.10
8.2.20.0050.00318.78
8.2.10.0030.00618.80
8.2.00.0000.00818.41
8.1.330.0140.00616.99
8.1.320.0120.00916.73
8.1.310.0090.00018.96
8.1.300.0000.01018.57
8.1.290.0030.00630.84
8.1.280.0160.00625.92
8.1.270.0100.00023.99
8.1.260.0000.00828.09
8.1.250.0100.01028.09
8.1.240.0060.00324.53
8.1.230.0090.00323.38
8.1.220.0030.00618.51
8.1.210.0050.00518.77
8.1.200.0070.00417.97
8.1.190.0040.00417.88
8.1.180.0060.00318.28
8.1.170.0030.00619.59
8.1.160.0050.00319.56
8.1.150.0080.00020.93
8.1.140.0050.00520.37
8.1.130.0040.00418.59
8.1.120.0000.00818.14
8.1.110.0000.00818.09
8.1.100.0000.00818.23
8.1.90.0000.00918.20
8.1.80.0080.00018.20
8.1.70.0030.00618.15
8.1.60.0030.00518.34
8.1.50.0030.00618.28
8.1.40.0080.00018.17
8.1.30.0040.00418.40
8.1.20.0000.00918.36
8.1.10.0080.00018.28
8.1.00.0070.00418.33
8.0.300.0040.00421.68
8.0.290.0040.00417.25
8.0.280.0100.00018.88
8.0.270.0070.00017.73
8.0.260.0030.00317.79
8.0.250.0000.00717.51
8.0.240.0060.00317.50
8.0.230.0040.00417.43
8.0.220.0080.00017.43
8.0.210.0070.00017.36
8.0.200.0030.00617.47
8.0.190.0000.00817.49
8.0.180.0050.00217.44
8.0.170.0060.00317.34
8.0.160.0000.00817.47
8.0.150.0050.00217.25
8.0.140.0040.00417.31
8.0.130.0050.00513.85
8.0.120.0000.00817.32
8.0.110.0050.00317.30
8.0.100.0040.00417.29
8.0.90.0040.00417.45
8.0.80.0160.00617.36
8.0.70.0000.00917.30
8.0.60.0030.00517.43
8.0.50.0000.00817.30
8.0.30.0130.00517.72
8.0.20.0100.01217.48
8.0.10.0000.00817.59
8.0.00.0130.01317.18
7.4.330.0050.00015.55
7.4.320.0050.00316.94
7.4.300.0070.00016.93
7.4.290.0000.00716.97
7.4.280.0060.00316.96
7.4.270.0080.00017.09
7.4.260.0040.00416.83
7.4.250.0000.00816.80
7.4.240.0070.00017.02
7.4.230.0070.00017.15
7.4.220.0090.01217.02
7.4.210.0130.01016.85
7.4.200.0080.00017.09
7.4.160.0080.01017.02
7.4.150.0130.00617.40
7.4.140.0100.01317.86
7.4.130.0140.00617.00
7.4.120.0110.00816.97
7.4.110.0110.00716.87
7.4.100.0060.01516.95
7.4.90.0070.01316.82
7.4.80.0040.01419.39
7.4.70.0090.00916.76
7.4.60.0070.01017.11
7.4.50.0040.00716.98
7.4.40.0030.01317.04
7.4.30.0060.01416.93
7.4.00.0080.00815.60
7.3.330.0060.00013.50
7.3.320.0050.00013.66
7.3.310.0000.00816.84
7.3.300.0040.00416.68
7.3.290.0090.00716.83
7.3.280.0090.00816.82
7.3.270.0100.00717.40
7.3.260.0130.00816.80
7.3.250.0090.01116.87
7.3.240.0190.00517.03
7.3.230.0100.00716.95
7.3.210.0100.00716.72
7.3.200.0110.00616.77
7.3.190.0130.00316.90
7.3.180.0070.01016.80
7.3.170.0130.00916.93
7.3.160.0100.01316.82
7.3.120.0140.00715.35
7.3.110.0030.01415.53
7.3.100.0150.00315.34
7.3.90.0070.01115.47
7.3.80.0070.01115.22
7.3.70.0060.00615.45
7.3.60.0120.00415.34
7.3.50.0040.01115.17
7.3.40.0070.01115.21
7.3.30.0040.01215.42
7.3.20.0060.00917.00
7.3.10.0030.00617.02
7.3.00.0040.01117.00
7.2.330.0070.01117.13
7.2.320.0070.01117.14
7.2.310.0090.00917.25
7.2.300.0100.01317.14
7.2.290.0100.00717.24
7.2.250.0030.01715.73
7.2.240.0040.01415.62
7.2.230.0060.01215.55
7.2.220.0110.00415.39
7.2.210.0030.01315.59
7.2.200.0070.01015.48
7.2.190.0070.01115.48
7.2.180.0080.01115.53
7.2.170.0090.00915.55
7.2.60.0030.01317.34
7.1.330.0060.00916.25
7.1.320.0060.00616.11
7.1.310.0060.00715.72
7.1.300.0070.00716.32
7.1.290.0030.01316.05
7.1.280.0070.00316.25
7.1.270.0060.00916.10
7.1.260.0060.00316.33
7.1.200.0030.00915.94
7.1.70.0040.00417.23
7.1.60.0040.00717.77
7.1.50.0060.00617.53
7.1.40.0040.01116.93
7.1.30.0060.00617.04
7.1.20.0130.00317.16
7.1.10.0030.00716.98
7.1.00.0040.00416.91
7.0.200.0000.00717.18
7.0.190.0000.00817.20
7.0.180.0060.00316.80
7.0.170.0000.00816.80
7.0.160.0000.00816.80
7.0.150.0000.00916.80
7.0.140.0040.00416.80
7.0.130.0060.00316.90
7.0.120.0040.00416.86
7.0.110.0050.00316.80
7.0.100.0040.00416.80
7.0.90.0060.00316.80
7.0.80.0040.00416.80
7.0.70.0030.00716.80
7.0.60.0070.00016.80
7.0.50.0030.00616.80
7.0.40.0000.00916.80
7.0.30.0030.00616.80
7.0.20.0040.00416.80
7.0.10.0050.00216.80
7.0.00.0030.00716.80
5.6.300.0030.04421.18
5.6.290.0070.04021.14
5.6.280.0030.04921.16
5.6.270.0030.04421.32
5.6.260.0000.04421.31
5.6.250.0070.04121.06
5.6.240.0100.03421.07
5.6.230.0030.04221.11
5.6.220.0100.03921.18
5.6.210.0070.03721.29
5.6.200.0260.04021.27
5.6.190.0030.05321.02
5.6.180.0040.04221.28
5.6.170.0030.04221.11
5.6.160.0060.04521.11
5.6.150.0070.04921.20
5.6.140.0280.03820.98
5.6.130.0100.04021.17
5.6.120.0030.04621.17
5.6.110.0060.03921.10
5.6.100.0060.04221.16
5.6.90.0070.05321.21
5.6.80.0070.04920.69
5.6.70.0060.03620.47
5.6.60.0030.04120.67
5.6.50.0030.04220.55
5.6.40.0070.03920.33
5.6.30.0000.04320.43
5.6.20.0130.03120.35
5.6.10.0000.04220.45
5.6.00.0100.03520.56
5.5.380.0000.04517.73
5.5.370.0000.04517.76
5.5.360.0000.04817.75
5.5.350.0000.04517.61
5.5.340.0030.04218.20
5.5.330.0060.03818.21
5.5.320.0000.04618.27
5.5.310.0060.03818.16
5.5.300.0130.04717.91
5.5.290.0070.03718.24
5.5.280.0030.06218.24
5.5.270.0000.05017.90
5.5.260.0030.04517.90
5.5.250.0000.07918.09
5.5.240.0030.05117.46
5.5.230.0100.08217.61
5.5.220.0000.04517.28
5.5.210.0000.04317.54
5.5.200.0070.04717.23
5.5.190.0000.04717.42
5.5.180.0070.06417.59
5.5.160.0000.04117.59
5.5.150.0000.05617.55
5.5.140.0030.03917.59
5.5.130.0070.03817.50
5.5.120.0040.03917.54
5.5.110.0000.05317.28
5.5.100.0000.04617.42
5.5.90.0030.04117.49
5.5.80.0030.04117.50
5.5.70.0000.04417.36
5.5.60.0000.04317.18
5.5.50.0000.05617.41
5.5.40.0000.05417.31
5.5.30.0000.04217.47
5.5.20.0040.03917.42
5.5.10.0070.03617.50
5.5.00.0030.04017.46
5.4.450.0100.05619.68
5.4.440.0070.04119.53
5.4.430.0030.04319.50
5.4.420.0030.06819.55
5.4.410.0030.06919.20
5.4.400.0070.05819.18
5.4.390.0000.05019.04
5.4.380.0060.03818.98
5.4.370.0170.04019.24
5.4.360.0070.03919.17
5.4.350.0000.04018.99
5.4.340.0030.03819.17
5.4.320.0040.03919.23
5.4.310.0100.08019.17
5.4.300.0070.03419.08
5.4.290.0000.06219.09
5.4.280.0000.04018.97
5.4.270.0070.05319.17
5.4.260.0000.04519.05
5.4.250.0030.06619.30
5.4.240.0000.04519.21
5.4.230.0000.04719.16
5.4.220.0100.05719.08
5.4.210.0030.06819.18
5.4.200.0000.04519.09
5.4.190.0130.03519.08
5.4.180.0030.05419.23
5.4.170.0030.04219.33
5.4.160.0000.04019.20
5.4.150.0060.03519.08
5.4.140.0000.05616.81
5.4.130.0030.06516.80
5.4.120.0030.03516.86
5.4.110.0000.04316.80
5.4.100.0030.04116.80
5.4.90.0030.03516.80
5.4.80.0000.03916.80
5.4.70.0030.06016.80
5.4.60.0070.07416.84
5.4.50.0000.05316.80
5.4.40.0000.04416.80
5.4.30.0030.03716.80
5.4.20.0030.04116.80
5.4.10.0000.04316.80
5.4.00.0000.03716.80
5.3.290.0000.04016.80
5.3.280.0030.04016.80
5.3.270.0000.04516.80
5.3.260.0000.04016.80
5.3.250.0130.06516.80
5.3.240.0000.07716.80
5.3.230.0000.04416.80
5.3.220.0000.04016.80
5.3.210.0030.04116.80
5.3.200.0000.04516.80
5.3.190.0070.03316.80
5.3.180.0060.06516.80
5.3.170.0130.06516.80
5.3.160.0070.08116.80
5.3.150.0030.03916.80
5.3.140.0000.04216.80
5.3.130.0070.03716.80
5.3.120.0070.03416.80
5.3.110.0060.03616.80
5.3.100.0000.04116.80
5.3.90.0000.03916.80
5.3.80.0030.05316.80
5.3.70.0030.03416.80
5.3.60.0070.03916.80
5.3.50.0380.02116.80
5.3.40.0030.07216.80
5.3.30.0030.04716.80
5.3.20.0000.03716.80
5.3.10.0000.04316.80
5.3.00.0000.03916.80
5.2.170.0040.02816.80
5.2.160.0000.04316.80
5.2.150.0070.06216.80
5.2.140.0000.03416.80
5.2.130.0100.03016.80
5.2.120.0140.02416.80
5.2.110.0000.03116.80
5.2.100.0030.03216.80
5.2.90.0000.03016.80
5.2.80.0070.03616.80
5.2.70.0030.03116.80
5.2.60.0000.03216.80
5.2.50.0030.05816.80
5.2.40.0060.02416.80
5.2.30.0000.03716.80
5.2.20.0030.07216.80
5.2.10.0000.03316.80
5.2.00.0030.04816.80
5.1.60.0030.02916.80
5.1.50.0000.03016.80
5.1.40.0000.02716.80
5.1.30.0030.02516.80
5.1.20.0070.02416.80
5.1.10.0030.02716.80
5.1.00.0000.03116.80
5.0.50.0000.03316.80
5.0.40.0030.03016.80
5.0.30.0000.03516.80
5.0.20.0180.01116.80
5.0.10.0030.02216.80
5.0.00.0000.03216.80
4.4.90.0030.01616.80
4.4.80.0060.01616.80
4.4.70.0000.02116.80
4.4.60.0000.02016.80
4.4.50.0000.01916.80
4.4.40.0030.02416.80
4.4.30.0000.01716.80
4.4.20.0000.01916.80
4.4.10.0000.01916.80
4.4.00.0030.05616.80
4.3.110.0030.01516.80
4.3.100.0000.01916.80
4.3.90.0030.01316.80
4.3.80.0030.02316.80
4.3.70.0030.01316.80
4.3.60.0000.01816.80
4.3.50.0000.01916.80
4.3.40.0030.02316.80
4.3.30.0100.01716.80
4.3.20.0000.01916.80
4.3.10.0000.02216.80
4.3.00.0070.01716.80

preferences:
181.54 ms | 403 KiB | 5 Q