3v4l.org

run code in 300+ PHP versions simultaneously
<?php mb_substitute_character(0xfffd); var_dump(bin2hex(mb_convert_encoding("\x61\xF1\x80\x80\xE1\x80\xC2\x62",'UTF-16','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)
8.3.60.0070.01418.43
8.3.50.0170.00521.08
8.3.40.0150.00018.39
8.3.30.0070.00720.25
8.3.20.0070.00020.17
8.3.10.0040.00422.03
8.3.00.0070.00022.46
8.2.180.0060.01216.32
8.2.170.0200.00022.96
8.2.160.0070.00721.98
8.2.150.0060.00324.18
8.2.140.0060.00324.66
8.2.130.0070.00026.16
8.2.120.0080.00020.70
8.2.110.0000.01219.30
8.2.100.0040.00717.72
8.2.90.0050.00319.27
8.2.80.0000.00817.97
8.2.70.0030.00517.50
8.2.60.0030.00617.93
8.2.50.0060.00318.07
8.2.40.0040.00419.76
8.2.30.0060.00319.30
8.2.20.0050.00317.58
8.2.10.0050.00217.66
8.2.00.0040.00417.51
8.1.280.0150.00625.92
8.1.270.0040.00423.99
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0100.00022.32
8.1.230.0000.01120.81
8.1.220.0060.00318.77
8.1.210.0080.00020.95
8.1.200.0090.00317.22
8.1.190.0070.00017.40
8.1.180.0000.00818.10
8.1.170.0000.00818.65
8.1.160.0040.00418.84
8.1.150.0060.00318.54
8.1.140.0040.00417.29
8.1.130.0000.00717.75
8.1.120.0040.00417.44
8.1.110.0040.00417.27
8.1.100.0000.00717.28
8.1.90.0050.00217.44
8.1.80.0050.00217.44
8.1.70.0030.00317.43
8.1.60.0050.00217.47
8.1.50.0000.00717.48
8.1.40.0070.00017.43
8.1.30.0080.00017.54
8.1.20.0050.00317.64
8.1.10.0030.00517.45
8.1.00.0050.00217.38
8.0.300.0030.00619.88
8.0.290.0040.00417.05
8.0.280.0030.00318.38
8.0.270.0000.00817.18
8.0.260.0030.00316.81
8.0.250.0000.00716.77
8.0.240.0090.00316.92
8.0.230.0040.00416.88
8.0.220.0000.00716.81
8.0.210.0000.00716.80
8.0.200.0030.00316.88
8.0.190.0000.00816.92
8.0.180.0070.00016.82
8.0.170.0070.00016.82
8.0.160.0070.00016.70
8.0.150.0040.00416.74
8.0.140.0080.00016.66
8.0.130.0030.00313.28
8.0.120.0040.00416.67
8.0.110.0070.00016.79
8.0.100.0040.00416.68
8.0.90.0040.00416.64
8.0.80.0070.00716.78
8.0.70.0040.00416.78
8.0.60.0000.00716.78
8.0.50.0040.00416.74
8.0.30.0110.00917.04
8.0.20.0080.01117.40
8.0.10.0050.00216.75
8.0.00.0050.01316.62
7.4.330.0060.00015.00
7.4.320.0030.00316.38
7.4.300.0000.00716.41
7.4.290.0000.00716.58
7.4.280.0040.00416.32
7.4.270.0000.00716.32
7.4.260.0060.00013.18
7.4.250.0030.00616.40
7.4.240.0020.00516.50
7.4.230.0070.00016.59
7.4.220.0120.00616.63
7.4.210.0080.00916.50
7.4.200.0040.00416.18
7.4.190.0000.00716.37
7.4.160.0150.00916.25
7.4.150.0110.00717.40
7.4.140.0120.01217.86
7.4.130.0120.00516.28
7.4.120.0060.01116.42
7.4.110.0170.01116.44
7.4.100.0030.01416.36
7.4.90.0160.00316.39
7.4.80.0130.01019.39
7.4.70.0030.01316.29
7.4.60.0060.00916.23
7.4.50.0030.00616.09
7.4.40.0070.00722.77
7.4.30.0120.00616.26
7.4.10.0060.01315.04
7.4.00.0110.00514.62
7.3.330.0020.00213.03
7.3.320.0050.00012.93
7.3.310.0030.00316.25
7.3.300.0030.00316.11
7.3.290.0100.01016.18
7.3.280.0070.00816.20
7.3.270.0060.00917.40
7.3.260.0140.00316.13
7.3.250.0070.01516.20
7.3.240.0030.01516.31
7.3.230.0140.01016.39
7.3.210.0100.00716.39
7.3.200.0030.01419.39
7.3.190.0080.00816.40
7.3.180.0060.00916.34
7.3.170.0040.01116.29
7.3.160.0100.00716.42
7.3.130.0070.01014.46
7.3.120.0030.01214.52
7.3.110.0130.00614.45
7.3.100.0030.01314.43
7.3.90.0070.01014.51
7.3.80.0100.00314.63
7.3.70.0100.00314.51
7.3.60.0060.00914.84
7.3.50.0070.01014.80
7.3.40.0030.01014.81
7.3.30.0030.00714.72
7.3.20.0040.00716.57
7.3.10.0040.00716.48
7.3.00.0110.00316.64
7.2.330.0140.00416.44
7.2.320.0140.00616.52
7.2.310.0110.01216.51
7.2.300.0050.01116.30
7.2.290.0060.00916.45
7.2.260.0070.01114.80
7.2.250.0090.00414.96
7.2.240.0000.01414.57
7.2.230.0070.01014.92
7.2.220.0110.00714.88
7.2.210.0090.00015.00
7.2.200.0040.00814.87
7.2.190.0060.00314.99
7.2.180.0040.01114.48
7.2.170.0070.00315.04
7.2.160.0090.00914.91
7.2.150.0030.00916.64
7.2.140.0030.01316.76
7.2.130.0060.01216.92
7.2.120.0100.00616.66
7.2.110.0070.00716.59
7.2.100.0090.00616.79
7.2.90.0030.00616.60
7.2.80.0080.00816.52
7.2.70.0080.00816.89
7.2.60.0060.00916.77
7.2.50.0070.00916.83
7.2.40.0070.00316.84
7.2.30.0060.00916.54
7.2.20.0110.00416.44
7.2.10.0100.00716.87
7.2.00.0050.00818.10
7.1.330.0000.00915.45
7.1.320.0070.01015.59
7.1.310.0150.00015.59
7.1.300.0100.00315.76
7.1.290.0070.00715.70
7.1.280.0030.00915.68
7.1.270.0060.00615.57
7.1.260.0030.01315.68
7.1.250.0110.00015.68
7.1.240.0040.01115.67
7.1.230.0040.00715.73
7.1.220.0070.00715.65
7.1.210.0070.00315.75
7.1.200.0090.00415.70
7.1.190.0030.00615.75
7.1.180.0100.00315.48
7.1.170.0090.00615.59
7.1.160.0060.00615.81
7.1.150.0040.00415.89
7.1.140.0070.01115.36
7.1.130.0060.00315.65
7.1.120.0070.00715.62
7.1.110.0040.01115.54
7.1.100.0040.00916.73
7.1.90.0060.00915.57
7.1.80.0040.00815.78
7.1.70.0000.00816.33
7.1.60.0070.01117.55
7.1.50.0100.00816.25
7.1.40.0120.00315.52
7.1.30.0120.00615.65
7.1.20.0000.01415.43
7.1.10.0100.00315.68
7.1.00.0050.04019.07
7.0.330.0000.01215.28
7.0.320.0030.01015.29
7.0.310.0060.00615.00
7.0.300.0030.01014.95
7.0.290.0030.01015.32
7.0.280.0000.01015.32
7.0.270.0030.01015.20
7.0.260.0030.01115.31
7.0.250.0040.00415.09
7.0.240.0080.00315.26
7.0.230.0100.00315.30
7.0.220.0040.00715.30
7.0.210.0060.00315.25
7.0.200.0000.00815.76
7.0.190.0080.00314.95
7.0.180.0070.00415.36
7.0.170.0090.00615.43
7.0.160.0030.01315.09
7.0.150.0040.00715.46
7.0.140.0020.04318.69
7.0.130.0030.00914.88
7.0.120.0060.00615.40
7.0.110.0090.00915.01
7.0.100.0050.03317.65
7.0.90.0050.04517.47
7.0.80.0110.03617.66
7.0.70.0080.04517.56
7.0.60.0130.04117.72
7.0.50.0050.03017.77
7.0.40.0070.04216.69
7.0.30.0080.03216.71
7.0.20.0080.04116.67
7.0.10.0110.03316.58
7.0.00.0080.04316.80
5.6.400.0140.00314.04
5.6.390.0000.01613.99
5.6.380.0080.00814.32
5.6.370.0060.00314.34
5.6.360.0080.00014.36
5.6.350.0110.00314.18
5.6.340.0040.00714.07
5.6.330.0000.01714.23
5.6.320.0000.01114.28
5.6.310.0070.00714.37
5.6.300.0050.00514.17
5.6.290.0070.00714.14
5.6.280.0060.03817.41
5.6.270.0050.00513.98
5.6.260.0030.01014.08
5.6.250.0060.02817.45
5.6.240.0010.05217.46
5.6.230.0090.04017.43
5.6.220.0080.04517.28
5.6.210.0070.04617.51
5.6.200.0080.04617.61
5.6.190.0130.03817.66
5.6.180.0120.03917.54
5.6.170.0070.04217.57
5.6.160.0120.04017.55
5.6.150.0060.02617.54
5.6.140.0090.04117.57
5.6.130.0030.04017.51
5.6.120.0080.04317.54
5.6.110.0090.03517.57
5.6.100.0050.04417.69
5.6.90.0100.04317.64
5.6.80.0110.03817.14
5.6.70.0090.03917.14
5.6.60.0050.02817.14
5.6.50.0090.03817.31
5.6.40.0050.04317.22
5.6.30.0050.04317.28
5.6.20.0070.04217.16
5.6.10.0080.04017.24
5.6.00.0020.04217.29
5.5.380.0100.02517.10
5.5.370.0070.03817.27
5.5.360.0080.04517.29
5.5.350.0060.05117.16
5.5.340.0070.04417.45
5.5.330.0130.03517.48
5.5.320.0100.03717.41
5.5.310.0090.04417.40
5.5.300.0070.04317.58
5.5.290.0050.03217.47
5.5.280.0030.04017.46
5.5.270.0080.03617.38
5.5.260.0130.04117.24
5.5.250.0050.04117.22
5.5.240.0070.04017.05
5.5.230.0070.04217.11
5.5.220.0100.03517.02
5.5.210.0100.03717.00
5.5.200.0060.03617.15
5.5.190.0080.04117.03
5.5.180.0050.03917.10
5.5.170.0030.00713.98
5.5.160.0070.04317.16
5.5.150.0070.03917.11
5.5.140.0050.04316.97
5.5.130.0050.04217.01
5.5.120.0060.04516.83
5.5.110.0100.03817.09
5.5.100.0050.04017.01
5.5.90.0050.03116.85
5.5.80.0080.01817.03
5.5.70.0050.02816.87
5.5.60.0100.02016.98
5.5.50.0050.02317.02
5.5.40.0050.02216.90
5.5.30.0020.02517.03
5.5.20.0070.02217.14
5.5.10.0030.02317.00
5.5.00.0050.02216.96
5.4.450.0110.04015.10
5.4.440.0090.02314.98
5.4.430.0040.04515.15
5.4.420.0030.03815.17
5.4.410.0030.02615.03
5.4.400.0080.02314.95
5.4.390.0050.03014.81
5.4.380.0050.04814.91
5.4.370.0050.03814.93
5.4.360.0080.03614.98
5.4.350.0030.04014.93
5.4.340.0090.03714.88
5.4.330.0030.00710.83
5.4.320.0070.03914.94
5.4.310.0030.04214.94
5.4.300.0080.03614.90
5.4.290.0070.03014.90
5.4.280.0050.04014.93
5.4.270.0030.03114.98
5.4.260.0080.04214.87
5.4.250.0030.03214.98
5.4.240.0030.02614.88
5.4.230.0050.02414.93
5.4.220.0100.03514.94
5.4.210.0030.02014.94
5.4.200.0030.02314.82
5.4.190.0070.02314.90
5.4.180.0030.01814.93
5.4.170.0040.02414.92
5.4.160.0030.02215.02
5.4.150.0060.02014.97
5.4.140.0040.03513.60
5.4.130.0050.02813.59
5.4.120.0020.02013.55
5.4.110.0050.02313.60
5.4.100.0060.02013.60
5.4.90.0000.02413.53
5.4.80.0060.01913.54
5.4.70.0050.02113.62
5.4.60.0060.02213.58
5.4.50.0030.02013.55
5.4.40.0020.02113.64
5.4.30.0050.02213.51
5.4.20.0020.02213.55
5.4.10.0030.02513.56
5.4.00.0030.03713.31
5.3.290.0020.04512.72
5.3.280.0030.02012.69
5.3.270.0020.02212.70
5.3.260.0030.02512.70
5.3.250.0030.02112.71
5.3.240.0070.01612.63
5.3.230.0100.01712.64
5.3.220.0040.02512.68
5.3.210.0100.01612.67
5.3.200.0020.03012.63
5.3.190.0030.02012.65
5.3.180.0000.02912.69
5.3.170.0020.02212.69
5.3.160.0060.02012.66
5.3.150.0070.01812.62
5.3.140.0060.02412.65
5.3.130.0030.02312.70
5.3.120.0010.02112.62
5.3.110.0030.03112.67
5.3.100.0040.02012.36
5.3.90.0050.01812.40
5.3.80.0080.01512.40
5.3.70.0030.02212.31
5.3.60.0030.02412.42
5.3.50.0050.04012.35
5.3.40.0070.02012.38
5.3.30.0080.01712.36
5.3.20.0050.02512.18
5.3.10.0000.02412.12
5.3.00.0050.01712.11
5.2.170.0000.03011.61
5.2.160.0100.02011.61
5.2.150.0100.02311.61
5.2.140.0030.03011.61
5.2.130.0000.04011.61
5.2.120.0070.02311.61
5.2.110.0030.03711.61
5.2.100.0130.04711.61
5.2.90.0070.06011.61
5.2.80.0030.03311.61
5.2.70.0100.05311.61
5.2.60.0030.02711.61
5.2.50.0030.03711.61
5.2.40.0000.03011.61
5.2.30.0070.02311.61
5.2.20.0070.05311.61
5.2.10.0130.04711.61
5.2.00.0030.06011.61
5.1.60.0100.04711.61
5.1.50.0070.05311.61
5.1.40.0100.04711.61
5.1.30.0070.05711.61
5.1.20.0030.04711.61
5.1.10.0130.04711.61
5.1.00.0070.04711.61
5.0.50.0030.03711.61
5.0.40.0000.04311.61
5.0.30.0070.04311.61
5.0.20.0000.03011.61
5.0.10.0070.03311.61
5.0.00.0070.06311.61
4.4.90.0070.01011.61
4.4.80.0000.01711.61
4.4.70.0000.02311.61
4.4.60.0030.03311.61
4.4.50.0030.03311.61
4.4.40.0030.03311.61
4.4.30.0000.02311.61
4.4.20.0030.02711.61
4.4.10.0000.02711.61
4.4.00.0000.05011.61
4.3.110.0030.02011.61
4.3.100.0030.03311.61
4.3.90.0100.02311.61
4.3.80.0000.05311.61
4.3.70.0030.03011.61
4.3.60.0030.02711.61
4.3.50.0000.03711.61
4.3.40.0000.05011.61
4.3.30.0000.03711.61
4.3.20.0000.03311.61
4.3.10.0000.03711.61
4.3.00.0030.03311.61

preferences:
64.64 ms | 401 KiB | 5 Q