3v4l.org

run code in 300+ PHP versions simultaneously
<?php $uconv = new UConverter('latin-1', 'UTF-8'); echo $uconv->convert('äüöß'); echo UConverter::transcode('äüöß', 'latin-1', 'UTF-8');

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)
8.3.60.0110.00318.52
8.3.50.0090.01222.23
8.3.40.0110.00719.39
8.3.30.0150.00719.21
8.3.20.0080.00019.27
8.3.10.0000.00821.50
8.3.00.0080.00319.56
8.2.180.0070.00716.88
8.2.170.0140.00722.96
8.2.160.0110.00421.06
8.2.150.0090.00924.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00421.53
8.2.110.0030.00721.06
8.2.100.0090.00318.47
8.2.90.0030.00519.59
8.2.80.0030.00619.71
8.2.70.0100.00018.13
8.2.60.0070.00318.30
8.2.50.0100.00018.25
8.2.40.0050.00318.84
8.2.30.0040.00421.79
8.2.20.0040.00418.09
8.2.10.0090.00018.05
8.2.00.0000.00918.04
8.1.280.0060.01025.92
8.1.270.0080.01123.99
8.1.260.0080.00026.35
8.1.250.0060.01328.09
8.1.240.0000.01322.92
8.1.230.0170.00321.53
8.1.220.0000.00818.77
8.1.210.0030.00719.39
8.1.200.0030.00917.73
8.1.190.0030.00618.03
8.1.180.0040.00418.10
8.1.170.0060.00318.98
8.1.160.0110.00019.34
8.1.150.0050.00219.04
8.1.140.0080.00717.93
8.1.130.0030.00318.40
8.1.120.0040.00418.00
8.1.110.0000.00717.82
8.1.100.0040.00417.87
8.1.90.0000.00717.91
8.1.80.0070.00017.98
8.1.70.0000.00717.91
8.1.60.0110.00418.06
8.1.50.0000.00817.94
8.1.40.0040.00417.88
8.1.30.0040.00418.02
8.1.20.0040.00418.13
8.1.10.0080.00018.16
8.1.00.0080.00017.84
8.0.300.0040.00420.52
8.0.290.0040.00417.78
8.0.280.0000.00718.91
8.0.270.0000.00817.71
8.0.260.0060.00017.43
8.0.250.0080.00017.41
8.0.240.0040.00417.17
8.0.230.0030.00317.27
8.0.220.0030.00317.24
8.0.210.0000.00717.27
8.0.200.0080.00017.28
8.0.190.0030.00317.25
8.0.180.0000.00717.27
8.0.170.0080.00017.23
8.0.160.0000.00817.20
8.0.150.0060.00617.20
8.0.140.0000.00717.29
8.0.130.0030.00313.36
8.0.120.0050.00517.38
8.0.110.0050.00217.28
8.0.100.0000.00817.30
8.0.90.0000.00717.31
8.0.80.0180.00417.24
8.0.70.0000.00817.33
8.0.60.0000.00717.21
8.0.50.0000.00817.20
8.0.30.0150.00317.70
8.0.20.0060.01317.71
8.0.10.0000.00717.56
8.0.00.0120.01017.10
7.4.330.0030.00316.73
7.4.320.0030.00316.79
7.4.300.0000.00716.91
7.4.290.0000.00716.89
7.4.280.0000.00716.97
7.4.270.0000.00816.77
7.4.260.0000.00613.23
7.4.250.0040.00416.92
7.4.240.0030.00317.02
7.4.230.0030.00316.77
7.4.220.0140.00316.96
7.4.210.0080.00916.93
7.4.200.0000.00716.70
7.4.190.0040.00417.02
7.4.160.0000.01716.93
7.4.150.0100.03317.40
7.4.140.0150.00517.86
7.4.130.0090.01216.89
7.4.120.0090.00816.90
7.4.110.0140.00316.96
7.4.100.0090.01316.64
7.4.90.0050.01316.96
7.4.80.0120.00619.39
7.4.70.0120.00616.75
7.4.60.0170.00616.92
7.4.50.0040.00416.94
7.4.40.0140.00322.77
7.4.30.0030.02016.84
7.4.00.0030.01415.45
7.3.330.0060.00013.00
7.3.320.0000.00713.16
7.3.310.0000.00616.55
7.3.300.0040.00416.68
7.3.290.0050.00816.60
7.3.280.0020.01316.70
7.3.270.0160.00317.40
7.3.260.0140.01218.24
7.3.250.0100.00716.77
7.3.240.0100.00716.65
7.3.230.0110.00516.91
7.3.210.0090.00616.84
7.3.200.0140.00719.39
7.3.190.0030.01316.72
7.3.180.0120.00316.79
7.3.170.0030.01216.92
7.3.160.0120.00516.77
7.3.120.0030.00615.39
7.2.330.0110.00616.92
7.2.320.0040.01617.12
7.2.310.0030.01517.22
7.2.300.0030.01316.82
7.2.290.0100.00717.09
7.2.00.0000.01419.63
7.1.100.0040.01118.00
7.1.70.0040.00417.60
7.1.60.0130.01019.08
7.1.50.0260.01335.18
7.1.00.0030.04322.98
7.0.200.0060.00317.43
7.0.140.0070.07022.45
7.0.100.0030.06320.34
7.0.90.0300.08020.28
7.0.80.0300.08020.41
7.0.70.0070.08020.32
7.0.60.0030.04320.39
7.0.50.0230.05720.78
7.0.40.0070.08320.48
7.0.30.0100.07020.47
7.0.20.0070.05020.60
7.0.10.0070.08020.59
7.0.00.0030.08720.39
5.6.280.0070.07021.65
5.6.250.0130.07320.98
5.6.240.0070.08321.05
5.6.230.0030.05021.09
5.6.220.0030.06721.25
5.6.210.0130.06321.08
5.6.200.0100.08721.44
5.6.190.0070.08721.67
5.6.180.0170.06321.52
5.6.170.0100.07721.67
5.6.160.0100.08021.52
5.6.150.0070.05021.46
5.6.140.0070.06721.52
5.6.130.0100.08321.67
5.6.120.0170.06321.44
5.6.110.0130.06021.52
5.6.100.0070.04021.51
5.6.90.0100.04721.54
5.6.80.0170.07020.95
5.6.70.0070.06320.86
5.6.60.0100.07320.81
5.6.50.0070.07720.91
5.6.40.0000.08320.92
5.6.30.0130.05020.80
5.6.20.0070.06721.03
5.6.10.0000.07020.84
5.6.00.0000.06320.78
5.5.380.0030.07320.97
5.5.370.0100.07320.73
5.5.360.0030.08721.05
5.5.350.0100.06320.85
5.5.340.0100.04021.42
5.5.330.0000.07021.14
5.5.320.0100.04721.28
5.5.310.0070.05021.33
5.5.300.0030.08721.43
5.5.290.0030.08021.37
5.5.280.0030.04721.37
5.5.270.0000.06721.34
5.5.260.0100.07021.36
5.5.250.0070.04321.01
5.5.240.0100.07020.71
5.5.230.0030.07720.46
5.5.220.0000.05320.47
5.5.210.0170.06020.47
5.5.200.0000.04020.68
5.5.190.0200.07320.68
5.5.180.0030.08020.65
5.5.160.0130.06020.68
5.5.150.0130.05720.58
5.5.140.0070.07720.57
5.5.130.0130.04020.63
5.5.120.0100.05720.51
5.5.110.0070.07320.54
5.5.100.0100.04320.50
5.5.90.0070.07720.43
5.5.80.0100.03720.33
5.5.70.0100.06020.43
5.5.60.0030.09020.54
5.5.50.0000.08320.55
5.5.40.0070.07720.56
5.5.30.0070.08020.48
5.5.20.0130.07020.56
5.5.10.0170.03720.46
5.5.00.0030.04720.41
5.4.450.0000.08319.30
5.4.440.0070.06719.39
5.4.430.0000.05719.43
5.4.420.0000.08719.37
5.4.410.0030.03719.31
5.4.400.0030.03318.91
5.4.390.0100.07719.05
5.4.380.0070.03719.13
5.4.370.0070.06319.05
5.4.360.0030.04718.79
5.4.350.0070.03319.24
5.4.340.0030.07319.06
5.4.320.0000.05019.05
5.4.310.0100.05719.23
5.4.300.0100.04719.07
5.4.290.0070.06018.80
5.4.280.0070.08019.09
5.4.270.0070.04018.96
5.4.260.0070.07018.78
5.4.250.0070.07019.11
5.4.240.0070.03718.89
5.4.230.0030.04718.77
5.4.220.0100.06718.77
5.4.210.0100.05018.96
5.4.200.0100.06318.80
5.4.190.0030.08018.93
5.4.180.0100.04318.92
5.4.170.0000.05319.10
5.4.160.0030.03718.80
5.4.150.0070.08019.07
5.4.140.0170.06316.32
5.4.130.0000.07716.30
5.4.120.0070.06016.31
5.4.110.0070.07316.22
5.4.100.0030.06316.42
5.4.90.0030.04016.43
5.4.80.0100.03016.16
5.4.70.0070.04716.31
5.4.60.0000.03716.30
5.4.50.0030.03716.38
5.4.40.0070.07016.34
5.4.30.0070.07016.20
5.4.20.0030.03316.22
5.4.10.0130.06716.27
5.4.00.0130.06315.76
5.3.290.0070.07014.57
5.3.280.0100.03314.50
5.3.270.0130.06014.46
5.3.260.0070.03314.56
5.3.250.0030.06014.46
5.3.240.0070.07314.59
5.3.230.0030.03314.56
5.3.220.0130.07014.50
5.3.210.0030.08014.42
5.3.200.0030.04014.55
5.3.190.0070.03714.40
5.3.180.0030.03714.56
5.3.170.0070.05714.46
5.3.160.0030.03314.55
5.3.150.0070.07014.54
5.3.140.0070.03314.48
5.3.130.0000.03714.53
5.3.120.0100.04314.50
5.3.110.0070.04014.39
5.3.100.0030.06314.03
5.3.90.0070.05013.99
5.3.80.0100.07014.00
5.3.70.0070.07013.96
5.3.60.0100.07013.96
5.3.50.0000.03713.90
5.3.40.0030.03313.82
5.3.30.0030.03313.76
5.3.20.0100.06013.55
5.3.10.0030.03313.64
5.3.00.0130.06313.49
5.2.170.0000.06010.97
5.2.160.0070.05011.00
5.2.150.0030.06011.18
5.2.140.0030.06010.97
5.2.130.0100.05310.89
5.2.120.0130.05010.92
5.2.110.0070.05311.02
5.2.100.0070.06011.11
5.2.90.0000.04010.95
5.2.80.0100.04311.01
5.2.70.0030.06711.11
5.2.60.0100.05310.84
5.2.50.0000.05311.01
5.2.40.0000.02710.83
5.2.30.0100.02311.04
5.2.20.0100.05710.81
5.2.10.0030.02710.91
5.2.00.0100.05310.73
5.1.60.0070.05010.07
5.1.50.0030.0539.99
5.1.40.0000.0239.98
5.1.30.0070.05310.38
5.1.20.0070.03010.37
5.1.10.0070.05310.14
5.1.00.0070.05310.09
5.0.50.0000.0278.57
5.0.40.0070.0438.39
5.0.30.0030.0638.21
5.0.20.0070.0438.24
5.0.10.0000.0338.24
5.0.00.0100.0578.20
4.4.90.0030.0377.94
4.4.80.0000.0237.94
4.4.70.0070.0237.94
4.4.60.0030.0137.94
4.4.50.0000.0207.94
4.4.40.0030.0237.94
4.4.30.0000.0237.94
4.4.20.0100.0177.94
4.4.10.0000.0277.94
4.4.00.0070.0277.94
4.3.110.0070.0307.94
4.3.100.0000.0337.94
4.3.90.0100.0237.94
4.3.80.0030.0537.94
4.3.70.0100.0277.94
4.3.60.0000.0137.94
4.3.50.0030.0277.94
4.3.40.0000.0237.94
4.3.30.0000.0377.94
4.3.20.0000.0207.94
4.3.10.0000.0177.94
4.3.00.0030.0277.94

preferences:
43.77 ms | 401 KiB | 5 Q