3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(mb_convert_encoding('öäü', 'UTF-8', 'ISO-8859-1'));

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)
8.3.70.0110.00418.18
8.3.60.0110.00716.38
8.3.50.0110.00621.93
8.3.40.0150.00018.50
8.3.30.0100.00318.95
8.3.20.0040.00420.38
8.3.10.0000.00821.69
8.3.00.0040.00419.13
8.2.190.0040.01116.58
8.2.180.0170.00318.54
8.2.170.0130.00722.96
8.2.160.0120.00820.47
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0040.00419.38
8.2.110.0040.00420.82
8.2.100.0060.00617.84
8.2.90.0100.00017.75
8.2.80.0060.00318.70
8.2.70.0000.00918.05
8.2.60.0040.00417.93
8.2.50.0060.00318.10
8.2.40.0000.00920.67
8.2.30.0000.00718.15
8.2.20.0000.00817.62
8.2.10.0030.00518.11
8.2.00.0050.00217.73
8.1.280.0100.01025.92
8.1.270.0040.00418.86
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0000.01020.79
8.1.230.0030.00921.16
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0080.00017.48
8.1.190.0000.00817.78
8.1.180.0000.00918.10
8.1.170.0080.00018.67
8.1.160.0000.00722.22
8.1.150.0050.00219.01
8.1.140.0040.00417.45
8.1.130.0040.00417.86
8.1.120.0040.00417.57
8.1.110.0020.00517.35
8.1.100.0000.00717.38
8.1.90.0000.00717.41
8.1.80.0000.00717.54
8.1.70.0030.00317.51
8.1.60.0000.00817.67
8.1.50.0030.00617.61
8.1.40.0000.00817.47
8.1.30.0040.00417.70
8.1.20.0030.00617.68
8.1.10.0040.00417.53
8.1.00.0030.00617.55
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00818.44
8.0.270.0070.00017.16
8.0.260.0030.00318.50
8.0.250.0030.00516.95
8.0.240.0030.00316.99
8.0.230.0030.00316.98
8.0.220.0030.00316.88
8.0.210.0000.00716.79
8.0.200.0030.00316.88
8.0.190.0030.00716.98
8.0.180.0040.00416.79
8.0.170.0040.00416.80
8.0.160.0050.00316.95
8.0.150.0000.00816.82
8.0.140.0000.00816.73
8.0.130.0000.00913.26
8.0.120.0040.00416.71
8.0.110.0000.00716.90
8.0.100.0040.00416.88
8.0.90.0000.00716.79
8.0.80.0100.00716.77
8.0.70.0040.00416.91
8.0.60.0030.00516.88
8.0.50.0040.00416.83
8.0.30.0100.01217.01
8.0.20.0130.01017.40
8.0.10.0040.00417.00
8.0.00.0170.00416.79
7.4.330.0000.00515.03
7.4.320.0060.00016.55
7.4.300.0040.00416.48
7.4.290.0050.00216.49
7.4.280.0050.00316.50
7.4.270.0030.00316.49
7.4.260.0000.01016.48
7.4.250.0030.00516.38
7.4.240.0050.00216.57
7.4.230.0000.00716.66
7.4.220.0070.01116.46
7.4.210.0070.00716.50
7.4.200.0050.00316.70
7.4.160.0080.00816.63
7.4.150.0150.00417.40
7.4.140.0130.00617.86
7.4.130.0100.01016.46
7.4.120.0070.01216.43
7.4.110.0120.00916.56
7.4.100.0150.00316.43
7.4.90.0140.00416.49
7.4.80.0100.01019.39
7.4.70.0130.00316.52
7.4.60.0080.00816.30
7.4.50.0060.00316.25
7.4.40.0030.01316.27
7.4.30.0100.00616.37
7.4.00.0090.00814.80
7.3.330.0000.00513.20
7.3.320.0150.00013.11
7.3.310.0070.00016.12
7.3.300.0070.00016.21
7.3.290.0070.00816.28
7.3.280.0100.00716.29
7.3.270.0200.00317.40
7.3.260.0100.00716.33
7.3.250.0110.01116.37
7.3.240.0120.00616.50
7.3.230.0130.01116.42
7.3.210.0040.01116.43
7.3.200.0090.01219.39
7.3.190.0080.00816.55
7.3.180.0090.00616.36
7.3.170.0050.01416.42
7.3.160.0120.00416.32
7.3.120.0080.00814.76
7.3.110.0060.01014.57
7.3.100.0070.01014.74
7.3.90.0030.00614.88
7.3.80.0000.01614.88
7.3.70.0030.00614.64
7.3.60.0060.00914.79
7.3.50.0030.01214.75
7.3.40.0000.01314.90
7.3.30.0030.01414.87
7.3.20.0070.00716.64
7.3.10.0060.00916.74
7.3.00.0040.01216.70
7.2.330.0110.00816.62
7.2.320.0110.00716.53
7.2.310.0100.00716.46
7.2.300.0100.00716.34
7.2.290.0070.01016.38
7.2.250.0100.00615.16
7.2.240.0130.00614.94
7.2.230.0000.01814.84
7.2.220.0040.00815.07
7.2.210.0000.01515.03
7.2.200.0000.01614.66
7.2.190.0070.00714.91
7.2.180.0000.01514.95
7.2.170.0090.00615.09
7.2.60.0070.01016.88
7.2.00.0040.00719.41
7.1.330.0070.01015.51
7.1.320.0040.00815.60
7.1.310.0070.00715.84
7.1.300.0090.00615.90
7.1.290.0070.00415.73
7.1.280.0070.00715.60
7.1.270.0110.00315.55
7.1.260.0070.00715.71
7.1.200.0170.00015.89
7.1.100.0060.00617.71
7.1.70.0000.00717.15
7.1.60.0130.01019.50
7.1.50.0040.02116.95
7.1.00.0030.07722.33
7.0.200.0110.00714.91
7.0.140.0070.06321.99
7.0.60.0070.05319.99
7.0.50.0100.06017.85
7.0.40.0000.05020.32
7.0.30.0300.04320.04
7.0.20.0230.04720.13
7.0.10.0230.08319.95
7.0.00.0130.08320.17
5.6.280.0000.05021.09
5.6.210.0000.04320.60
5.6.200.0130.08018.15
5.6.190.0070.07320.32
5.6.180.0270.04320.42
5.6.170.0300.04020.50
5.6.160.0100.04720.38
5.6.150.0170.06018.12
5.6.140.0030.06318.18
5.6.130.0100.06318.16
5.6.120.0070.04020.98
5.6.110.0070.08320.97
5.6.100.0130.04320.97
5.6.90.0030.06021.11
5.6.80.0130.07020.52
5.6.70.0270.06020.38
5.5.350.0200.05020.40
5.5.340.0100.07017.95
5.5.330.0070.08020.47
5.5.320.0000.07320.25
5.5.310.0200.05020.33
5.5.300.0030.07318.02
5.5.290.0030.07318.07
5.5.280.0030.08720.76
5.5.270.0030.04020.75
5.5.260.0070.09320.96
5.5.250.0170.05020.57
5.5.240.0070.05720.15
5.4.450.0330.07019.58
5.4.440.0200.08319.39
5.4.430.0070.07019.45
5.4.420.0030.04019.25
5.4.410.0030.05319.07
5.4.400.0000.07719.24
5.4.390.0070.07319.06
5.4.380.0030.05719.13
5.4.370.0030.07018.93
5.4.360.0030.06019.08
5.4.350.0000.04319.10
5.4.340.0000.05319.10
5.4.320.0000.04719.09
5.4.310.0100.07019.18
5.4.300.0030.07018.90
5.4.290.0070.03719.09
5.4.280.0030.07319.03
5.4.270.0070.06719.08
5.4.260.0030.04018.88
5.4.250.0000.07719.07
5.4.240.0030.04719.08
5.4.230.0000.04318.79
5.4.220.0030.06719.08
5.4.210.0030.06019.07
5.4.200.0070.06019.13
5.4.190.0070.07019.23
5.4.180.0030.05018.92
5.4.170.0000.05318.90
5.4.160.0000.04319.22
5.4.150.0000.03718.89
5.4.140.0000.03716.16
5.4.130.0000.03716.33
5.4.120.0000.04016.26
5.4.110.0070.03016.43
5.4.100.0030.03316.22
5.4.90.0000.03716.46
5.4.80.0070.03716.42
5.4.70.0000.03716.42
5.4.60.0000.04016.52
5.4.50.0070.03016.41
5.4.40.0030.03316.36
5.4.30.0030.03316.20
5.4.20.0000.03716.21
5.4.10.0030.03316.17
5.4.00.0000.03315.68
5.3.290.0030.03714.54
5.3.280.0070.03714.41
5.3.270.0030.03714.44
5.3.260.0030.04014.44
5.3.250.0070.03014.46
5.3.240.0030.03314.56
5.3.230.0030.03314.46
5.3.220.0000.03714.51
5.3.210.0030.03314.51
5.3.200.0000.03714.52
5.3.190.0030.04014.42
5.3.180.0000.04314.39
5.3.170.0030.03314.40
5.3.160.0000.03714.42
5.3.150.0000.03714.41
5.3.140.0030.03314.39
5.3.130.0000.03714.38
5.3.120.0000.03714.47
5.3.110.0070.03014.52
5.3.100.0030.04714.01
5.3.90.0000.03713.86
5.3.80.0000.03713.96
5.3.70.0000.03714.10
5.3.60.0000.03713.83
5.3.50.0000.03313.92
5.3.40.0100.02713.97
5.3.30.0030.03313.74
5.3.20.0030.04013.53
5.3.10.0000.03313.48
5.3.00.0070.03013.51
5.2.170.0000.03312.16
5.2.160.0000.03012.16
5.2.150.0000.03012.16
5.2.140.0000.03012.16
5.2.130.0000.03012.16
5.2.120.0030.02712.16
5.2.110.0000.02712.16
5.2.100.0000.03012.16
5.2.90.0000.02712.16
5.2.80.0000.03012.16
5.2.70.0000.03012.16
5.2.60.0000.05012.16
5.2.50.0030.02712.16
5.2.40.0000.02712.16
5.2.30.0000.02712.16
5.2.20.0030.03312.16
5.2.10.0070.02712.16
5.2.00.0000.04312.16
5.1.60.0030.02312.16
5.1.50.0070.04712.16
5.1.40.0000.05312.16
5.1.30.0030.04312.16
5.1.20.0030.05712.16
5.1.10.0070.03312.16
5.1.00.0000.05312.16
5.0.50.0070.04012.16
5.0.40.0070.04012.16
5.0.30.0000.05712.16
5.0.20.0170.03312.16
5.0.10.0030.02712.16
5.0.00.0030.06312.16
4.4.90.0030.03312.16
4.4.80.0000.01312.16
4.4.70.0000.03312.16
4.4.60.0000.03312.16
4.4.50.0000.03312.16
4.4.40.0000.04012.16
4.4.30.0070.02012.16
4.4.20.0030.03312.16
4.4.10.0000.03712.16
4.4.00.0070.04012.16
4.3.110.0000.02312.16
4.3.100.0030.03712.16
4.3.90.0030.02012.16
4.3.80.0070.05012.16
4.3.70.0000.03312.16
4.3.60.0000.03312.16
4.3.50.0000.03712.16
4.3.40.0030.04312.16
4.3.30.0000.04012.16
4.3.20.0030.03012.16
4.3.10.0000.04012.16
4.3.00.0070.03312.16

preferences:
72.8 ms | 401 KiB | 5 Q