3v4l.org

run code in 300+ PHP versions simultaneously
<?php $toto = 'tata'; $tata = "truc"; var_dump($$toto);

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)
8.3.60.0110.00716.50
8.3.50.0130.00322.13
8.3.40.0140.00018.59
8.3.30.0070.00718.79
8.3.20.0060.00320.04
8.3.10.0080.00023.54
8.3.00.0040.00418.93
8.2.180.0150.00316.38
8.2.170.0180.00322.96
8.2.160.0070.00720.39
8.2.150.0070.00024.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0050.00218.80
8.2.110.0090.00022.19
8.2.100.0070.00317.91
8.2.90.0040.00419.23
8.2.80.0080.00017.97
8.2.70.0030.00617.63
8.2.60.0080.00017.91
8.2.50.0030.00518.07
8.2.40.0000.01119.95
8.2.30.0000.00818.14
8.2.20.0050.00317.54
8.2.10.0040.00417.97
8.2.00.0000.00817.73
8.1.280.0150.00325.92
8.1.270.0050.00323.82
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0170.00323.88
8.1.230.0080.00319.09
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0060.00317.25
8.1.190.0040.00417.22
8.1.180.0030.00618.10
8.1.170.0040.00418.49
8.1.160.0040.00421.94
8.1.150.0000.00718.55
8.1.140.0000.00717.45
8.1.130.0030.00517.68
8.1.120.0000.00717.45
8.1.110.0070.00017.45
8.1.100.0000.00817.45
8.1.90.0040.00417.39
8.1.80.0000.00717.47
8.1.70.0040.00417.32
8.1.60.0040.00417.55
8.1.50.0080.00017.39
8.1.40.0040.00417.52
8.1.30.0040.00417.46
8.1.20.0040.00417.50
8.1.10.0000.00717.33
8.1.00.0040.00417.44
8.0.300.0040.00418.77
8.0.290.0000.00717.18
8.0.280.0030.00418.44
8.0.270.0030.00317.23
8.0.260.0030.00317.10
8.0.250.0070.00016.84
8.0.240.0060.00016.95
8.0.230.0060.00316.84
8.0.220.0070.00016.90
8.0.210.0000.00816.86
8.0.200.0000.00816.95
8.0.190.0050.00216.95
8.0.180.0050.00316.75
8.0.170.0000.00816.95
8.0.160.0000.00716.90
8.0.150.0040.00416.78
8.0.140.0040.00316.75
8.0.130.0030.00313.34
8.0.120.0060.00316.83
8.0.110.0040.00416.81
8.0.100.0000.00816.70
8.0.90.0050.00216.70
8.0.80.0070.01316.82
8.0.70.0070.00016.99
8.0.60.0020.00516.84
8.0.50.0040.00416.75
8.0.30.0070.01117.12
8.0.20.0120.01017.40
8.0.10.0040.00417.04
8.0.00.0090.00916.63
7.4.330.0060.00015.00
7.4.320.0060.00016.59
7.4.300.0000.00716.59
7.4.290.0030.00316.57
7.4.280.0030.00316.58
7.4.270.0030.00416.50
7.4.260.0040.00416.57
7.4.250.0050.00316.40
7.4.240.0020.00616.53
7.4.230.0070.00016.50
7.4.220.0120.01216.52
7.4.210.0070.00816.53
7.4.200.0030.00316.59
7.4.190.0070.00016.30
7.4.160.0080.00816.26
7.4.150.0070.01117.40
7.4.140.0100.00717.86
7.4.130.0100.00616.47
7.4.120.0060.01216.39
7.4.110.0050.01416.60
7.4.100.0110.00616.33
7.4.90.0110.00616.34
7.4.80.0110.00619.39
7.4.70.0090.00916.33
7.4.60.0140.00316.45
7.4.50.0000.00816.30
7.4.40.0100.00716.50
7.4.30.0030.01516.38
7.4.00.0070.01214.99
7.3.330.0000.00713.07
7.3.320.0000.00612.98
7.3.310.0000.00716.20
7.3.300.0030.00316.09
7.3.290.0100.01316.12
7.3.280.0070.00916.19
7.3.270.0080.00817.40
7.3.260.0150.00316.23
7.3.250.0150.00316.41
7.3.240.0090.00916.52
7.3.230.0030.01316.55
7.3.210.0000.01716.49
7.3.200.0120.00619.39
7.3.190.0120.01016.20
7.3.180.0100.00516.43
7.3.170.0120.00316.36
7.3.160.0090.00616.14
7.3.120.0070.01014.40
7.3.110.0070.01014.56
7.3.100.0040.00814.39
7.3.90.0000.01714.71
7.3.80.0060.00614.83
7.3.70.0070.01014.61
7.3.60.0100.00714.48
7.3.50.0000.01614.43
7.3.40.0070.01014.50
7.3.30.0040.01414.61
7.3.20.0090.00616.52
7.3.10.0090.00016.79
7.3.00.0030.00616.33
7.2.330.0060.01216.54
7.2.320.0060.01216.45
7.2.310.0060.01216.29
7.2.300.0140.00316.59
7.2.290.0040.01516.32
7.2.250.0100.01015.10
7.2.240.0100.01014.60
7.2.230.0120.00014.40
7.2.220.0000.01414.89
7.2.210.0040.00414.74
7.2.200.0100.00614.99
7.2.190.0080.00814.91
7.2.180.0100.00314.86
7.2.170.0000.01415.00
7.2.60.0030.00816.61
7.2.00.0000.01419.20
7.1.330.0060.00915.66
7.1.320.0000.01315.81
7.1.310.0070.00315.67
7.1.300.0040.00815.65
7.1.290.0140.00415.76
7.1.280.0040.01115.38
7.1.270.0030.00915.70
7.1.260.0050.00515.36
7.1.200.0030.00915.82
7.1.100.0050.00518.12
7.1.70.0060.00317.16
7.1.60.0060.00617.23
7.1.50.0030.01316.84
7.1.00.0100.07022.48
7.0.200.0130.00616.36
7.0.140.0070.06722.19
7.0.60.0130.04019.92
7.0.50.0100.03317.80
7.0.40.0100.08320.27
7.0.30.0230.07020.18
7.0.20.0230.04020.20
7.0.10.0130.08020.20
7.0.00.0000.05320.16
5.6.280.0000.07721.14
5.6.210.0200.07020.54
5.6.200.0070.07318.15
5.6.190.0070.08020.43
5.6.180.0070.06020.56
5.6.170.0230.04020.52
5.6.160.0100.07720.71
5.6.150.0030.06718.11
5.6.140.0070.04718.09
5.6.130.0100.05018.20
5.6.120.0030.08021.00
5.6.110.0100.08021.10
5.6.100.0000.04321.09
5.6.90.0130.03321.00
5.6.80.0070.08720.36
5.5.350.0000.04320.52
5.5.340.0070.08017.91
5.5.330.0170.07720.19
5.5.320.0330.07020.20
5.5.310.0200.04020.29
5.5.300.0070.03718.02
5.5.290.0030.07017.98
5.5.280.0100.08020.86
5.5.270.0070.08720.86
5.5.260.0030.04020.83
5.5.250.0070.08720.68
5.5.240.0100.07020.22
5.4.450.0030.06319.41
5.4.440.0770.06719.32
5.4.430.0070.06719.16
5.4.420.0700.05319.53
5.4.410.0970.04319.36
5.4.400.0230.04319.22
5.4.390.0900.05719.29
5.4.380.0030.06318.46
5.4.370.0130.05018.67
5.4.360.0170.04718.44
5.4.350.0030.07018.58
5.4.340.0270.06318.74
5.4.320.0060.03612.45
5.4.310.0050.03812.45
5.4.300.0090.04912.45
5.4.290.0080.03912.45
5.4.280.0100.04412.34
5.4.270.0120.03712.35
5.4.260.0070.04712.34
5.4.250.0110.04112.34
5.4.240.0110.04612.35
5.4.230.0090.04912.34
5.4.220.0110.04612.34
5.4.210.0130.04312.34
5.4.200.0090.04912.34
5.4.190.0100.04712.34
5.4.180.0080.05012.33
5.4.170.0100.04912.34
5.4.160.0130.04512.34
5.4.150.0150.04312.34
5.4.140.0090.05112.02
5.4.130.0100.04312.01
5.4.120.0080.05211.97
5.4.110.0100.05111.96
5.4.100.0110.04611.96
5.4.90.0050.03911.96
5.4.80.0050.04111.96
5.4.70.0070.04611.96
5.4.60.0070.03811.96
5.4.50.0080.04311.96
5.4.40.0080.03911.95
5.4.30.0080.03911.95
5.4.20.0100.04011.95
5.4.10.0100.04311.95
5.4.00.0090.04511.44
5.3.290.0090.05112.80
5.3.280.0100.04312.71
5.3.270.0090.04012.73
5.3.260.0110.05412.72
5.3.250.0090.05512.72
5.3.240.0100.06712.72
5.3.230.0100.07312.70
5.3.220.0100.06012.68
5.3.210.0110.05612.68
5.3.200.0120.05112.68
5.3.190.0080.06812.68
5.3.180.0080.05512.68
5.3.170.0100.04212.67
5.3.160.0140.05912.67
5.3.150.0060.06412.67
5.3.140.0070.04112.66
5.3.130.0070.04112.66
5.3.120.0070.04412.66
5.3.110.0050.05512.66
5.3.100.0090.05112.12
5.3.90.0090.04212.08
5.3.80.0100.04912.07
5.3.70.0050.05212.08
5.3.60.0080.03612.06
5.3.50.0070.03812.00
5.3.40.0120.04612.00
5.3.30.0050.04611.94
5.3.20.0130.05211.71
5.3.10.0100.04811.69
5.3.00.0050.05411.67
5.2.170.0070.0459.18
5.2.160.0070.0429.18
5.2.150.0130.0959.18
5.2.140.0040.0459.17
5.2.130.0050.0439.14
5.2.120.0070.0449.14
5.2.110.0060.0409.14
5.2.100.0070.0409.14
5.2.90.0090.0429.14
5.2.80.0070.0449.13
5.2.70.0070.0339.13
5.2.60.0090.0339.09
5.2.50.0080.0419.05
5.2.40.0160.0739.04
5.2.30.0100.0429.01
5.2.20.0050.0408.99
5.2.10.0050.0398.91
5.2.00.0060.0418.77
5.1.60.0040.0308.06
5.1.50.0070.0248.06
5.1.40.0050.0358.04
5.1.30.0040.0338.39
5.1.20.0060.0298.41
5.1.10.0110.0388.13
5.1.00.0070.0278.14
5.0.50.0050.0266.61
5.0.40.0070.0226.47
5.0.30.0030.0336.29
5.0.20.0050.0246.25
5.0.10.0080.0186.23
5.0.00.0020.0356.23
4.4.90.0030.0164.77
4.4.80.0050.0144.75
4.4.70.0060.0144.76
4.4.60.0020.0184.75
4.4.50.0040.0164.77
4.4.40.0030.0284.71
4.4.30.0110.0294.76
4.4.20.0040.0184.85
4.4.10.0020.0174.85
4.4.00.0030.0264.76
4.3.110.0040.0164.67
4.3.100.0060.0154.67
4.3.90.0060.0194.64
4.3.80.0040.0244.58
4.3.70.0010.0174.63
4.3.60.0040.0154.63
4.3.50.0000.0194.63
4.3.40.0050.0224.54
4.3.30.0010.0173.28
4.3.20.0050.0133.25
4.3.10.0020.0163.21
4.3.00.0130.0237.01

preferences:
57.37 ms | 401 KiB | 5 Q