3v4l.org

run code in 300+ PHP versions simultaneously
<?php mb_internal_encoding('UTF-8'); $value = 'g' . chr(0x04) .'eld'; var_dump(mb_detect_order()); var_dump(mb_substitute_character('entity'), mb_convert_encoding($value, 'UTF-8'), mb_substitute_character(), mb_detect_encoding($value, mb_detect_order(), true)); var_dump(mb_substitute_character('long'), mb_convert_encoding($value, 'UTF-8'), mb_substitute_character()); var_dump(mb_substitute_character(0x3013), mb_convert_encoding($value, 'UTF-8', 'ISO-8859-15'), mb_substitute_character()); var_dump(mb_substitute_character('none'), mb_convert_encoding($value, 'UTF-8'), mb_substitute_character());

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)
8.3.60.0090.00618.18
8.3.50.0110.01122.05
8.3.40.0110.00418.77
8.3.30.0110.00618.65
8.3.20.0050.00318.66
8.3.10.0080.00021.10
8.3.00.0080.00023.48
8.2.180.0070.00716.75
8.2.170.0110.01122.96
8.2.160.0070.00720.64
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00319.79
8.2.110.0090.00021.25
8.2.100.0040.00819.54
8.2.90.0050.00317.88
8.2.80.0030.00618.05
8.2.70.0000.00918.05
8.2.60.0040.00418.34
8.2.50.0030.00618.10
8.2.40.0000.00718.03
8.2.30.0000.00719.45
8.2.20.0030.00617.87
8.2.10.0000.00817.85
8.2.00.0000.00817.82
8.1.280.0140.00025.92
8.1.270.0070.00323.99
8.1.260.0080.00026.35
8.1.250.0070.00428.09
8.1.240.0040.00424.05
8.1.230.0040.00722.13
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0060.00617.60
8.1.190.0060.00317.60
8.1.180.0090.00018.10
8.1.170.0040.00418.56
8.1.160.0000.00718.94
8.1.150.0000.00918.71
8.1.140.0000.00817.59
8.1.130.0030.00318.02
8.1.120.0040.00417.55
8.1.110.0060.00317.47
8.1.100.0040.00417.62
8.1.90.0000.00817.57
8.1.80.0000.00717.64
8.1.70.0000.00717.55
8.1.60.0040.00417.72
8.1.50.0060.00317.59
8.1.40.0000.00817.65
8.1.30.0000.00917.68
8.1.20.0060.00317.83
8.1.10.0000.00717.54
8.1.00.0050.00217.68
8.0.300.0040.00419.77
8.0.290.0040.00416.75
8.0.280.0030.00318.52
8.0.270.0070.00017.34
8.0.260.0030.00316.77
8.0.250.0000.00816.90
8.0.240.0000.00717.04
8.0.230.0030.00317.07
8.0.220.0000.01016.88
8.0.210.0030.00316.96
8.0.200.0060.00316.89
8.0.190.0030.00317.05
8.0.180.0070.00016.95
8.0.170.0030.00316.89
8.0.160.0000.00816.99
8.0.150.0070.00016.84
8.0.140.0040.00416.91
8.0.130.0070.00013.44
8.0.120.0030.00616.96
8.0.110.0000.00716.93
8.0.100.0040.00416.98
8.0.90.0000.00717.04
8.0.80.0080.00816.93
8.0.70.0000.00716.99
8.0.60.0020.00516.86
8.0.50.0040.00416.87
8.0.30.0120.00717.18
8.0.20.0100.01017.40
8.0.10.0080.00016.98
8.0.00.0080.01016.85
7.4.330.0040.00413.43
7.4.320.0030.00316.52
7.4.300.0060.00016.56
7.4.290.0000.00716.59
7.4.280.0030.00316.60
7.4.270.0030.00316.71
7.4.260.0000.00513.31
7.4.250.0060.00316.53
7.4.240.0050.00216.68
7.4.230.0030.00316.54
7.4.220.0130.00716.71
7.4.210.0030.01316.60
7.4.200.0070.00016.43
7.4.190.0040.00416.55
7.4.160.0130.00316.64
7.4.150.0040.01317.40
7.4.140.0100.01317.86
7.4.130.0110.00816.59
7.4.120.0120.00616.55
7.4.110.0070.01116.32
7.4.100.0090.01616.39
7.4.90.0120.00616.54
7.4.80.0070.01419.39
7.4.70.0030.01316.41
7.4.60.0090.00916.61
7.4.50.0030.00616.48
7.4.40.0000.01222.52
7.4.30.0090.00916.79
7.4.00.0030.01314.81
7.3.330.0060.00013.10
7.3.320.0020.00213.14
7.3.310.0030.00316.10
7.3.300.0000.00716.28
7.3.290.0120.00316.28
7.3.280.0050.01416.32
7.3.270.0060.01117.40
7.3.260.0060.01218.24
7.3.250.0090.00816.34
7.3.240.0110.00616.50
7.3.230.0060.01216.39
7.3.210.0140.00616.53
7.3.200.0150.00319.39
7.3.190.0160.00016.36
7.3.180.0080.00816.39
7.3.170.0070.01016.44
7.3.160.0060.01116.26
7.3.120.0100.00314.73
7.2.330.0060.01216.68
7.2.320.0170.00016.59
7.2.310.0090.01516.62
7.2.300.0130.00316.71
7.2.290.0150.00316.46
7.2.60.0090.00316.34
7.2.00.0030.01019.38
7.1.200.0150.00416.09
7.1.100.0730.00412.16
7.1.70.0040.00417.12
7.1.60.0090.01519.40
7.1.50.0200.00316.98
7.1.00.0030.07722.40
7.0.200.0040.00416.57
7.0.140.0030.07322.15
7.0.70.0070.06721.54
7.0.60.0000.03721.77
7.0.50.0030.03322.00
7.0.40.0000.04020.03
7.0.30.0030.03720.13
7.0.20.0000.04020.03
7.0.10.0000.04020.13
7.0.00.0070.07720.16
5.6.220.0070.04720.68
5.6.210.0000.04020.53
5.6.200.0030.03321.02
5.6.190.0030.03320.98
5.6.180.0000.03721.03
5.6.170.0000.03721.08
5.6.160.0030.05021.00
5.6.150.0030.04021.05
5.6.140.0030.03721.01
5.6.130.0000.04321.16
5.6.120.0030.04021.03
5.6.110.0000.04321.04
5.6.100.0070.02721.01
5.6.90.0000.03721.14
5.6.80.0030.04020.41
5.6.70.0030.06020.32
5.6.60.0000.04720.41
5.6.50.0030.03720.41
5.6.40.0070.04020.34
5.6.30.0070.03720.32
5.6.20.0030.06020.38
5.6.10.0030.04320.42
5.6.00.0000.04020.46
5.5.360.0030.03720.38
5.5.350.0000.05320.26
5.5.340.0030.04020.89
5.5.330.0030.04020.82
5.5.320.0070.03320.79
5.5.310.0000.04320.90
5.5.300.0070.03720.79
5.5.290.0030.04020.88
5.5.280.0000.05720.78
5.5.270.0030.04020.76
5.5.260.0000.04320.90
5.5.250.0000.05020.73
5.5.240.0030.04720.02
5.5.230.0000.05320.01
5.5.220.0000.04020.22
5.5.210.0000.04020.13
5.5.200.0000.04020.23
5.5.190.0070.03720.14
5.5.180.0130.05720.14
5.5.160.0000.05720.11
5.5.150.0030.03720.17
5.5.140.0030.03720.13
5.5.130.0000.04020.10
5.5.120.0000.04020.24
5.5.110.0070.03320.14
5.5.100.0000.04020.01
5.5.90.0070.04319.99
5.5.80.0000.03320.16
5.5.70.0000.03720.07
5.5.60.0030.03020.08
5.5.50.0030.03020.05
5.5.40.0000.03320.14
5.5.30.0000.03720.07
5.5.20.0000.05020.13
5.5.10.0000.04019.97
5.5.00.0000.04020.11
5.4.450.0000.04719.53
5.4.440.0030.05719.20
5.4.430.0000.04019.52
5.4.420.0000.04019.41
5.4.410.0000.03719.20
5.4.400.0000.04019.10
5.4.390.0070.06019.06
5.4.380.0070.04719.06
5.4.370.0000.03719.20
5.4.360.0030.03719.11
5.4.350.0030.04018.95
5.4.340.0000.04719.14
5.4.320.0000.04019.10
5.4.310.0000.05019.02
5.4.300.0000.03718.77
5.4.290.0000.04719.03
5.4.280.0070.03319.20
5.4.270.0000.04019.02
5.4.260.0000.03318.77
5.4.250.0000.05019.11
5.4.240.0070.02319.08
5.4.230.0070.03018.96
5.4.220.0070.02719.20
5.4.210.0000.04719.09
5.4.200.0000.05018.74
5.4.190.0000.07319.03
5.4.180.0070.06318.77
5.4.170.0070.06718.86
5.4.160.0030.03719.00
5.4.150.0000.04718.91
5.4.140.0000.05016.13
5.4.130.0000.05316.30
5.4.120.0030.04716.27
5.4.110.0070.07016.30
5.4.100.0000.07716.46
5.4.90.0030.05716.32
5.4.80.0000.05016.30
5.4.70.0000.03716.36
5.4.60.0030.03316.36
5.4.50.0030.05716.37
5.4.40.0000.04316.44
5.4.30.0030.06016.37
5.4.20.0070.04316.23
5.4.10.0000.04716.40
5.4.00.0000.04315.45
5.3.290.0000.04014.65
5.3.280.0070.02714.41
5.3.270.0030.06014.61
5.3.260.0030.05714.59
5.3.250.0000.04014.59
5.3.240.0070.05714.42
5.3.230.0030.04714.54
5.3.220.0000.04014.56
5.3.210.0030.05714.55
5.3.200.0000.06314.53
5.3.190.0030.06314.43
5.3.180.0000.04314.52
5.3.170.0030.04314.50
5.3.160.0030.03314.54
5.3.150.0030.07014.42
5.3.140.0000.06314.52
5.3.130.0030.04314.45
5.3.120.0030.07314.54
5.3.110.0000.04714.48
5.3.100.0030.03313.89
5.3.90.0100.06713.96
5.3.80.0070.06313.88
5.3.70.0070.05313.98
5.3.60.0000.04713.88
5.3.50.0100.06313.89
5.3.40.0130.06313.80
5.3.30.0100.05313.89
5.3.20.0000.05313.67
5.3.10.0030.04713.63
5.3.00.0030.03713.60
5.2.170.0030.05711.14
5.2.160.0000.06010.96
5.2.150.0000.05010.94
5.2.140.0070.04710.98
5.2.130.0000.04311.02
5.2.120.0000.04011.02
5.2.110.0070.03311.02
5.2.100.0030.05711.12
5.2.90.0030.04710.89
5.2.80.0000.05011.13
5.2.70.0000.04011.13
5.2.60.0000.04010.84
5.2.50.0030.02710.86
5.2.40.0100.04710.96
5.2.30.0030.06010.77
5.2.20.0070.05310.92
5.2.10.0030.03710.91
5.2.00.0000.05010.77
5.1.60.0030.03710.29
5.1.50.0030.05310.29
5.1.40.0000.05010.29
5.1.30.0070.04710.35
5.1.20.0130.04310.41
5.1.10.0030.04310.29
5.1.00.0030.05310.29
5.0.50.0030.04010.29
5.0.40.0030.02310.29
5.0.30.0000.03010.29
5.0.20.0070.04010.29
5.0.10.0000.04310.29
5.0.00.0070.02710.29
4.4.90.0000.02010.29
4.4.80.0000.01710.29
4.4.70.0000.03310.29
4.4.60.0000.03010.29
4.4.50.0000.03310.29
4.4.40.0000.02710.29
4.4.30.0000.03310.29
4.4.20.0000.03710.29
4.4.10.0000.03710.29
4.4.00.0000.02310.29
4.3.110.0070.02010.29
4.3.100.0030.02010.29
4.3.90.0000.01310.29
4.3.80.0000.04010.29
4.3.70.0000.02310.29
4.3.60.0030.02310.29
4.3.50.0000.04310.29
4.3.40.0070.04310.29
4.3.30.0000.02310.29
4.3.20.0000.03010.29
4.3.10.0030.03310.29
4.3.00.0000.02310.29

preferences:
49.85 ms | 401 KiB | 5 Q