3v4l.org

run code in 300+ PHP versions simultaneously
<?php mb_substitute_character(asc('?')); var_dump(mb_convert_encoding(chr(190), 'UTF-8', '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)
8.3.60.0070.01018.43
8.3.50.0120.00721.14
8.3.40.0070.00718.59
8.3.30.0070.01019.00
8.3.20.0000.00720.09
8.3.10.0080.00022.10
8.3.00.0040.00420.75
8.2.180.0120.00416.38
8.2.170.0070.00722.96
8.2.160.0040.01119.04
8.2.150.0000.00724.18
8.2.140.0080.00024.66
8.2.130.0120.00626.16
8.2.120.0030.00519.53
8.2.110.0060.00322.20
8.2.100.0080.00319.21
8.2.90.0080.00019.04
8.2.80.0060.00317.97
8.2.70.0040.00717.50
8.2.60.0000.00817.93
8.2.50.0080.00018.07
8.2.40.0040.00418.09
8.2.30.0000.00717.94
8.2.20.0040.00417.70
8.2.10.0000.00717.68
8.2.00.0030.00617.71
8.1.280.0100.01025.92
8.1.270.0060.00318.58
8.1.260.0020.00526.35
8.1.250.0070.00028.09
8.1.240.0050.00523.78
8.1.230.0030.00719.09
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0030.00617.13
8.1.190.0030.00517.29
8.1.180.0020.00518.60
8.1.170.0000.00718.59
8.1.160.0000.00722.04
8.1.150.0000.00718.51
8.1.140.0060.00317.31
8.1.130.0040.00418.98
8.1.120.0040.00417.19
8.1.110.0080.00017.30
8.1.100.0040.00417.32
8.1.90.0030.00517.33
8.1.80.0070.00017.22
8.1.70.0030.00317.28
8.1.60.0100.00317.45
8.1.50.0070.00017.43
8.1.40.0030.00617.36
8.1.30.0040.00417.50
8.1.20.0040.00417.57
8.1.10.0000.00817.48
8.1.00.0000.00717.40
8.0.300.0000.00718.77
8.0.290.0040.00416.93
8.0.280.0040.00418.37
8.0.270.0030.00317.09
8.0.260.0040.00416.80
8.0.250.0030.00316.86
8.0.240.0080.00016.98
8.0.230.0030.00316.93
8.0.220.0000.00716.91
8.0.210.0000.00716.92
8.0.200.0030.00316.88
8.0.190.0000.00716.85
8.0.180.0050.00216.83
8.0.170.0000.00716.80
8.0.160.0000.00716.82
8.0.150.0040.00416.66
8.0.140.0040.00416.82
8.0.130.0060.00013.24
8.0.120.0000.00816.88
8.0.110.0070.00016.82
8.0.100.0050.00216.73
8.0.90.0000.00716.69
8.0.80.0090.00616.82
8.0.70.0070.00016.83
8.0.60.0040.00416.70
8.0.50.0070.00016.66
8.0.30.0090.01316.99
8.0.20.0140.01217.40
8.0.10.0040.00416.95
8.0.00.0130.00716.67
7.4.330.0000.00415.00
7.4.320.0030.00316.46
7.4.300.0040.00416.56
7.4.290.0090.00016.35
7.4.280.0050.00216.46
7.4.270.0000.00916.45
7.4.260.0000.00816.55
7.4.250.0070.00016.49
7.4.240.0020.00516.38
7.4.230.0070.00016.30
7.4.220.0030.01516.36
7.4.210.0100.00716.45
7.4.200.0030.00316.55
7.4.190.0040.00416.39
7.4.160.0150.00616.40
7.4.150.0070.01017.40
7.4.140.0110.01017.86
7.4.130.0160.00816.43
7.4.120.0120.00516.31
7.4.110.0070.01016.49
7.4.100.0140.00616.35
7.4.90.0090.00916.44
7.4.80.0100.01019.39
7.4.70.0070.01016.47
7.4.60.0100.00716.55
7.4.50.0040.00416.25
7.4.40.0060.01222.77
7.4.30.0060.00916.50
7.4.00.0070.00714.56
7.3.330.0020.00213.13
7.3.320.0000.00713.04
7.3.310.0070.00016.25
7.3.300.0070.00016.23
7.3.290.0080.00816.31
7.3.280.0080.01016.25
7.3.270.0060.01317.40
7.3.260.0210.00316.55
7.3.250.0100.00716.40
7.3.240.0090.00616.29
7.3.230.0080.00916.39
7.3.210.0070.01316.29
7.3.200.0090.01319.39
7.3.190.0100.00716.24
7.3.180.0130.00616.39
7.3.170.0040.01216.27
7.3.160.0090.00616.34
7.3.120.0100.00714.57
7.3.10.0060.00316.79
7.3.00.0030.00616.22
7.2.330.0110.00716.44
7.2.320.0120.00916.41
7.2.310.0140.00816.59
7.2.300.0030.01216.20
7.2.290.0150.00616.39
7.2.130.0060.00616.70
7.2.120.0070.00716.72
7.2.110.0030.00916.66
7.2.100.0000.01116.66
7.2.90.0060.01016.74
7.2.80.0030.00716.83
7.2.70.0000.01316.96
7.2.60.0020.01116.75
7.2.50.0090.00016.59
7.2.40.0030.00916.81
7.2.30.0090.00416.49
7.2.20.0100.00316.57
7.2.10.0030.01016.45
7.2.00.0070.00418.10
7.1.250.0100.00015.76
7.1.200.0000.01115.54
7.1.100.0060.00617.88
7.1.70.0030.00717.05
7.1.60.0110.01419.82
7.1.50.0100.00716.53
7.1.00.0000.05722.42
7.0.200.0000.00716.54
7.0.140.0070.07022.07
7.0.60.0070.08020.00
7.0.50.0030.04317.88
7.0.40.0170.06719.96
7.0.30.0570.07320.20
7.0.20.0400.07019.99
7.0.10.0100.06020.02
7.0.00.0000.06720.12
5.6.280.0030.07321.07
5.6.210.0100.06320.47
5.6.200.0100.03318.22
5.6.190.0130.07320.60
5.6.180.0270.03320.39
5.6.170.0300.04020.38
5.6.160.0000.04320.50
5.6.150.0030.04718.18
5.6.140.0170.07318.11
5.6.130.0030.06318.08
5.6.120.0100.08720.97
5.6.110.0200.07721.08
5.6.100.0170.07321.03
5.6.90.0100.07020.87
5.6.80.0100.07720.37
5.6.70.3100.03720.49
5.5.350.0070.08320.39
5.5.340.0000.04717.91
5.5.330.0100.03720.36
5.5.320.0330.07020.32
5.5.310.0300.07320.17
5.5.300.0100.05018.02
5.5.290.0100.07317.89
5.5.280.0030.08320.89
5.5.270.0130.07320.75
5.5.260.0130.08020.79
5.5.250.0100.07720.61
5.5.240.0000.08320.14
5.4.450.0070.06719.43
5.4.440.0070.07319.21
5.4.430.0030.04319.56
5.4.420.0100.04719.48
5.4.410.0000.04019.33
5.4.400.0230.03019.14
5.4.390.0100.07019.09
5.4.380.0000.07719.22
5.4.370.0000.05719.25
5.4.360.0070.07318.93
5.4.350.0000.07719.15
5.4.340.0000.07319.18
5.4.320.0000.05318.82
5.4.310.0000.04319.09
5.4.300.0070.05319.07
5.4.290.0070.05718.79
5.4.280.0070.05719.09
5.4.270.0070.07319.13
5.4.260.0030.05018.79
5.4.250.0130.06718.78
5.4.240.0100.07019.12
5.4.230.0070.06319.14
5.4.220.0030.08018.91
5.4.210.0030.05719.09
5.4.200.0100.06019.13
5.4.190.0100.07019.20
5.4.180.0070.06019.14
5.4.170.0000.06719.09
5.4.160.0030.05319.07
5.4.150.0070.03719.07
5.4.140.0030.07716.45
5.4.130.0000.07016.31
5.4.120.0030.03716.37
5.4.110.0100.07016.45
5.4.100.0000.07316.21
5.4.90.0000.07716.39
5.4.80.0030.04316.41
5.4.70.0030.07316.20
5.4.60.0030.05716.39
5.4.50.0130.03716.33
5.4.40.0030.05016.40
5.4.30.0030.07316.28
5.4.20.0000.03716.31
5.4.10.0030.05716.03
5.4.00.0000.04315.80
5.3.290.0030.05014.75
5.3.280.0030.07714.46
5.3.270.0030.07314.53
5.3.260.0100.07314.43
5.3.250.0070.07314.46
5.3.240.0030.06014.43
5.3.230.0030.07014.45
5.3.220.0070.06714.40
5.3.210.0030.03714.52
5.3.200.0030.07714.49
5.3.190.0000.07714.42
5.3.180.0000.04714.39
5.3.170.0030.06314.54
5.3.160.0000.07714.39
5.3.150.0030.04314.46
5.3.140.0030.06014.40
5.3.130.0000.08014.39
5.3.120.0030.04714.45
5.3.110.0030.07314.47
5.3.100.0030.05713.89
5.3.90.0000.04713.89
5.3.80.0100.03713.87
5.3.70.0030.04313.89
5.3.60.0000.03713.84
5.3.50.0030.06713.72
5.3.40.0000.06313.93
5.3.30.0070.04013.75
5.3.20.0030.06313.52
5.3.10.0000.06013.65
5.3.00.0030.04013.72
5.2.170.0030.06712.42
5.2.160.0030.05012.42
5.2.150.0070.04712.42
5.2.140.0030.03312.42
5.2.130.0070.06012.42
5.2.120.0030.06312.42
5.2.110.0070.04012.42
5.2.100.0000.03012.42
5.2.90.0030.05312.42
5.2.80.0000.03312.42
5.2.70.0000.03312.42
5.2.60.0070.05712.42
5.2.50.0070.03712.42
5.2.40.0000.03312.42
5.2.30.0000.05312.42
5.2.20.0070.02712.42
5.2.10.0030.04012.42
5.2.00.0030.04712.42
5.1.60.0070.04712.42
5.1.50.0000.05712.42
5.1.40.0070.03712.42
5.1.30.0030.05712.42
5.1.20.0000.04312.42
5.1.10.0030.04712.42
5.1.00.0070.05312.42
5.0.50.0070.04012.42
5.0.40.0070.04012.42
5.0.30.0030.03712.42
5.0.20.0030.04012.42
5.0.10.0070.04012.42
5.0.00.0000.04012.42
4.4.90.0030.01712.42
4.4.80.0030.02012.42
4.4.70.0000.02712.42
4.4.60.0000.02312.42
4.4.50.0100.02012.42
4.4.40.0000.04012.42
4.4.30.0000.03012.42
4.4.20.0030.03712.42
4.4.10.0030.03312.42
4.4.00.0000.05712.42
4.3.110.0000.02712.42
4.3.100.0070.02012.42
4.3.90.0000.03012.42
4.3.80.0030.04012.42
4.3.70.0100.02712.42
4.3.60.0000.03712.42
4.3.50.0100.03012.42
4.3.40.0000.05312.42
4.3.30.0000.03012.42
4.3.20.0030.02012.42
4.3.10.0000.01712.42
4.3.00.0000.02712.42

preferences:
49.05 ms | 401 KiB | 5 Q