3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(utf8_encode("h\xE9h\x92h"));

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)
8.3.40.0150.00318.67
8.3.30.0080.00618.89
8.3.20.0030.00620.07
8.3.10.0080.00023.59
8.3.00.0080.00019.13
8.2.170.0040.01122.96
8.2.160.0100.00320.52
8.2.150.0000.00724.18
8.2.140.0050.00324.66
8.2.130.0050.00226.16
8.2.120.0020.00521.04
8.2.110.0080.00022.05
8.2.100.0110.00018.09
8.2.90.0060.00318.95
8.2.80.0030.00517.97
8.2.70.0060.00317.50
8.2.60.0100.00317.66
8.2.50.0030.00618.07
8.2.40.0000.00819.76
8.2.30.0040.00417.80
8.2.20.0000.00817.63
8.2.10.0040.00417.84
8.2.00.0040.00417.62
8.1.270.0060.00923.87
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00323.92
8.1.230.0060.00619.22
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0040.00417.23
8.1.190.0040.00417.00
8.1.180.0060.00318.10
8.1.170.0060.00318.58
8.1.160.0040.00421.94
8.1.150.0060.00318.81
8.1.140.0040.00417.29
8.1.130.0000.00617.62
8.1.120.0000.00717.32
8.1.110.0030.00517.31
8.1.100.0040.00417.23
8.1.90.0040.00717.24
8.1.80.0030.00317.22
8.1.70.0040.00417.25
8.1.60.0030.00517.33
8.1.50.0040.00417.36
8.1.40.0060.00317.34
8.1.30.0050.00317.41
8.1.20.0000.00717.58
8.1.10.0050.00317.24
8.1.00.0000.00717.32
8.0.300.0070.00018.77
8.0.290.0040.00416.58
8.0.280.0040.00418.18
8.0.270.0000.00717.19
8.0.260.0060.00016.99
8.0.250.0030.00316.71
8.0.240.0000.00816.84
8.0.230.0030.00316.82
8.0.220.0000.00716.73
8.0.210.0040.00416.76
8.0.200.0000.00616.82
8.0.190.0070.00016.72
8.0.180.0030.00616.82
8.0.170.0040.00416.82
8.0.160.0030.00516.69
8.0.150.0030.00616.67
8.0.140.0000.00716.60
8.0.130.0040.00413.22
8.0.120.0030.00616.72
8.0.110.0000.00716.71
8.0.100.0040.00416.80
8.0.90.0040.00416.62
8.0.80.0070.01416.73
8.0.70.0040.00416.66
8.0.60.0070.00016.53
8.0.50.0000.00716.62
8.0.30.0080.01316.94
8.0.20.0100.00917.40
8.0.10.0050.00316.64
8.0.00.0130.00516.68
7.4.330.0050.00015.00
7.4.320.0060.00016.48
7.4.300.0030.00316.50
7.4.290.0000.00716.37
7.4.280.0080.00016.36
7.4.270.0040.00416.44
7.4.260.0080.00016.34
7.4.250.0000.00716.43
7.4.240.0030.00316.37
7.4.230.0030.00316.16
7.4.220.0110.00616.30
7.4.210.0090.00616.46
7.4.200.0050.00216.51
7.4.160.0060.00916.23
7.4.150.0100.00717.40
7.4.140.0090.00817.86
7.4.130.0120.00716.50
7.4.120.0120.00516.36
7.4.110.0130.00316.25
7.4.100.0040.01216.48
7.4.90.0100.00616.19
7.4.80.0100.00719.39
7.4.70.0100.01016.28
7.4.60.0090.01216.38
7.4.50.0040.00416.20
7.4.40.0060.01216.28
7.4.30.0060.00916.30
7.4.00.0000.01514.84
7.3.330.0030.00312.88
7.3.320.0070.00013.01
7.3.310.0070.00016.25
7.3.300.0000.00616.07
7.3.290.0120.00316.23
7.3.280.0090.00716.15
7.3.270.0040.01417.40
7.3.260.0150.00316.12
7.3.250.0130.00516.15
7.3.240.0060.00916.07
7.3.230.0130.00416.39
7.3.210.0060.01016.15
7.3.200.0100.00619.39
7.3.190.0140.00316.09
7.3.180.0040.01116.02
7.3.170.0030.01216.27
7.3.160.0120.00316.14
7.2.330.0140.00716.49
7.2.320.0070.01016.51
7.2.310.0090.00916.53
7.2.300.0070.01016.51
7.2.290.0040.01216.41
7.2.00.0000.01419.14
7.1.100.0070.00418.02
7.1.70.0000.01016.90
7.1.60.0100.01419.40
7.1.50.0090.01216.87
7.1.00.0030.07322.40
7.0.200.0310.00714.46
7.0.140.0000.07321.95
7.0.60.0070.06320.02
7.0.50.0000.04717.79
7.0.40.0070.06720.04
7.0.30.0300.07020.12
7.0.20.0100.04720.01
7.0.10.0170.05720.04
7.0.00.0100.07720.03
5.6.210.0070.07720.55
5.6.200.0070.04718.16
5.6.190.0100.08320.27
5.6.180.0200.07720.68
5.6.170.0300.08020.51
5.6.160.0030.05020.48
5.6.150.0170.04018.22
5.6.140.0100.07718.22
5.6.130.0030.04718.22
5.6.120.0130.08021.04
5.6.110.0130.07320.98
5.6.100.0100.07021.10
5.6.90.0030.06021.02
5.6.80.0030.04020.52
5.5.350.0130.07020.42
5.5.340.0100.07017.96
5.5.330.0200.07020.29
5.5.320.0270.08320.32
5.5.310.0370.08020.13
5.5.300.0070.08317.88
5.5.290.0030.06317.91
5.5.280.0030.04320.86
5.5.270.0200.06720.88
5.5.260.0130.08020.95
5.5.250.0170.07020.68
5.5.240.0070.06720.25
5.4.450.0370.04319.11
5.4.440.0900.05319.44
5.4.430.0700.08719.57
5.4.420.0170.05019.46
5.4.410.0130.06319.41
5.4.400.0130.05019.17
5.4.390.0200.04319.05
5.4.380.0370.06718.50
5.4.370.0330.05018.74
5.4.360.0470.05318.52
5.4.350.0430.05318.65
5.4.340.0400.07018.65
5.4.320.0070.03712.45
5.4.310.0060.03812.45
5.4.300.0080.03412.45
5.4.290.0050.03812.45
5.4.280.0080.03212.34
5.4.270.0050.03712.34
5.4.260.0060.03712.34
5.4.250.0050.03812.35
5.4.240.0060.03512.35
5.4.230.0040.03812.34
5.4.220.0070.03512.34
5.4.210.0070.03512.34
5.4.200.0070.03612.34
5.4.190.0060.03612.33
5.4.180.0050.03712.33
5.4.170.0080.03412.35
5.4.160.0090.03312.34
5.4.150.0050.03812.34
5.4.140.0060.03812.02
5.4.130.0080.03412.01
5.4.120.0030.03811.96
5.4.110.0070.03711.96
5.4.100.0050.03711.96
5.4.90.0100.03411.97
5.4.80.0050.03911.96
5.4.70.0060.03511.96
5.4.60.0070.03411.96
5.4.50.0070.03511.96
5.4.40.0090.03411.95
5.4.30.0060.03611.95
5.4.20.0090.03311.95
5.4.10.0070.03511.95
5.4.00.0100.03311.43
5.3.290.0050.04912.80
5.3.280.0090.04912.71
5.3.270.0110.04112.72
5.3.260.0050.04612.72
5.3.250.0070.03612.72
5.3.240.0130.04412.72
5.3.230.0060.05312.71
5.3.220.0130.04612.68
5.3.210.0050.04112.68
5.3.200.0060.03812.68
5.3.190.0060.04512.67
5.3.180.0070.03612.68
5.3.170.0050.03912.67
5.3.160.0070.03712.67
5.3.150.0060.03712.68
5.3.140.0070.03812.66
5.3.130.0060.04412.66
5.3.120.0050.04112.65
5.3.110.0070.04412.66
5.3.100.0050.03912.12
5.3.90.0080.04212.09
5.3.80.0060.03912.07
5.3.70.0030.04112.08
5.3.60.0080.03812.07
5.3.50.0050.03912.00
5.3.40.0070.03812.00
5.3.30.0050.03711.94
5.3.20.0080.03411.72
5.3.10.0050.03611.69
5.3.00.0080.03311.68
5.2.170.0030.0339.17
5.2.160.0070.0279.18
5.2.150.0050.0309.18
5.2.140.0080.0279.17
5.2.130.0050.0399.13
5.2.120.0090.0269.13
5.2.110.0010.0329.14
5.2.100.0080.0279.13
5.2.90.0010.0329.14
5.2.80.0050.0299.13
5.2.70.0030.0329.13
5.2.60.0060.0299.09
5.2.50.0030.0329.05
5.2.40.0080.0349.03
5.2.30.0050.0309.00
5.2.20.0010.0339.00
5.2.10.0060.0278.92
5.2.00.0070.0268.77
5.1.60.0030.0258.05
5.1.50.0050.0248.05
5.1.40.0010.0278.04
5.1.30.0020.0298.39
5.1.20.0050.0258.41
5.1.10.0050.0258.13
5.1.00.0050.0248.13
5.0.50.0020.0216.61
5.0.40.0040.0186.47
5.0.30.0020.0336.28
5.0.20.0030.0206.25
5.0.10.0060.0176.23
5.0.00.0070.0376.22
4.4.90.0050.0244.77
4.4.80.0040.0144.75
4.4.70.0030.0224.75
4.4.60.0040.0324.76
4.4.50.0060.0204.77
4.4.40.0040.0284.71
4.4.30.0000.0184.76
4.4.20.0030.0154.85
4.4.10.0040.0144.85
4.4.00.0040.0244.76
4.3.110.0020.0174.67
4.3.100.0040.0234.66
4.3.90.0050.0254.64
4.3.80.0050.0364.59
4.3.70.0050.0164.63
4.3.60.0020.0194.63
4.3.50.0050.0314.63
4.3.40.0040.0244.54
4.3.30.0020.0203.27
4.3.20.0020.0173.25
4.3.10.0020.0173.21
4.3.00.0070.0277.12

preferences:
47.26 ms | 400 KiB | 5 Q