3v4l.org

run code in 300+ PHP versions simultaneously
<?php mb_internal_encoding('UTF-8'); $value = 'g' . chr(0xa4) .'eld'; var_dump(mb_substitute_character('entity'), mb_convert_encoding($value, 'UTF-8'), mb_substitute_character()); 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'), 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)
8.3.60.0110.00716.63
8.3.50.0090.01217.30
8.3.40.0110.00418.42
8.3.30.0110.00318.50
8.3.20.0040.00418.52
8.3.10.0040.00420.36
8.3.00.0150.00419.26
8.2.180.0110.01116.38
8.2.170.0110.00422.96
8.2.160.0100.01021.01
8.2.150.0080.00824.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0030.00619.23
8.2.110.0070.00320.91
8.2.100.0080.00417.91
8.2.90.0050.00319.17
8.2.80.0000.00719.22
8.2.70.0060.00317.62
8.2.60.0050.00317.90
8.2.50.0110.00018.07
8.2.40.0040.00418.03
8.2.30.0070.00418.04
8.2.20.0080.00017.53
8.2.10.0000.00717.59
8.2.00.0000.00817.60
8.1.280.0090.00925.92
8.1.270.0040.00424.66
8.1.260.0030.00626.35
8.1.250.0000.00828.09
8.1.240.0060.00323.83
8.1.230.0070.00421.03
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0000.01017.10
8.1.190.0050.00217.41
8.1.180.0030.00618.10
8.1.170.0060.00318.82
8.1.160.0050.00218.88
8.1.150.0040.00418.54
8.1.140.0000.00717.45
8.1.130.0030.00317.82
8.1.120.0030.00617.44
8.1.110.0070.00017.50
8.1.100.0000.00817.43
8.1.90.0040.00417.48
8.1.80.0000.00717.35
8.1.70.0080.00017.44
8.1.60.0060.00317.58
8.1.50.0000.00817.47
8.1.40.0000.00817.54
8.1.30.0000.00817.59
8.1.20.0000.00717.67
8.1.10.0070.00017.42
8.1.00.0040.00417.45
8.0.300.0040.00419.83
8.0.290.0040.00416.75
8.0.280.0000.00718.44
8.0.270.0070.00017.16
8.0.260.0000.00716.92
8.0.250.0050.00216.95
8.0.240.0030.00316.99
8.0.230.0000.00716.95
8.0.220.0000.00816.84
8.0.210.0000.00716.85
8.0.200.0070.00016.94
8.0.190.0040.00416.96
8.0.180.0050.00316.91
8.0.170.0030.00516.81
8.0.160.0000.00716.87
8.0.150.0000.00816.88
8.0.140.0040.00416.81
8.0.130.0000.00613.35
8.0.120.0050.00316.83
8.0.110.0070.00016.83
8.0.100.0040.00416.77
8.0.90.0030.00516.87
8.0.80.0070.01116.86
8.0.70.0000.00716.75
8.0.60.0030.00516.86
8.0.50.0070.00016.74
8.0.30.0090.01016.89
8.0.20.0120.01216.94
8.0.10.0030.00616.99
8.0.00.0080.01216.62
7.4.330.0050.00012.94
7.4.320.0060.00316.66
7.4.300.0000.00616.59
7.4.290.0000.00716.60
7.4.280.0070.00016.60
7.4.270.0000.00716.42
7.4.260.0030.00313.26
7.4.250.0040.00416.54
7.4.240.0000.00716.52
7.4.230.0000.00716.50
7.4.220.0100.01716.56
7.4.210.0090.00816.52
7.4.200.0040.00416.67
7.4.190.0000.00716.45
7.4.160.0030.01216.16
7.4.150.0070.01016.27
7.4.140.0100.00816.44
7.4.130.0090.00816.49
7.4.120.0060.01216.42
7.4.110.0180.01316.41
7.4.100.0170.00016.50
7.4.90.0100.00716.52
7.4.80.0070.01219.39
7.4.70.0170.00316.56
7.4.60.0130.01016.38
7.4.50.0060.00016.36
7.4.40.0120.00316.61
7.4.30.0060.01016.33
7.4.00.0030.01014.85
7.3.330.0000.00613.10
7.3.320.0060.00013.11
7.3.310.0070.00016.14
7.3.300.0000.00616.15
7.3.290.0180.00316.17
7.3.280.0140.00516.21
7.3.270.0070.01016.42
7.3.260.0060.01216.17
7.3.250.0090.00816.32
7.3.240.0170.00016.26
7.3.230.0140.00316.52
7.3.210.0200.00016.16
7.3.200.0070.01016.09
7.3.190.0030.01416.21
7.3.180.0080.00816.26
7.3.170.0030.01316.09
7.3.160.0030.01816.34
7.3.120.0030.01014.38
7.3.00.0000.01716.18
7.2.330.0130.00616.59
7.2.320.0090.00916.44
7.2.310.0190.00316.52
7.2.300.0150.00716.60
7.2.290.0060.01116.60
7.2.130.0090.00616.41
7.2.120.0040.01116.63
7.2.110.0090.00316.47
7.2.100.0070.01016.68
7.2.90.0140.00016.55
7.2.80.0080.00416.69
7.2.70.0030.00616.62
7.2.60.0140.00716.65
7.2.50.0090.00916.62
7.2.40.0120.00616.76
7.2.30.0140.00916.75
7.2.20.0000.01216.65
7.2.10.0170.00316.27
7.2.00.0100.01016.58
7.1.250.0150.00315.51
7.1.240.0120.00315.70
7.1.230.0000.01115.80
7.1.220.0100.00315.66
7.1.210.0030.00715.62
7.1.200.0150.00515.48
7.1.190.0040.00815.71
7.1.180.0070.01015.44
7.1.170.0090.01315.74
7.1.160.0100.01015.70
7.1.150.0070.01015.46
7.1.140.0000.01415.58
7.1.130.0050.01415.40
7.1.120.0150.00415.19
7.1.110.0160.00515.78
7.1.100.0120.00915.70
7.1.90.0040.01115.69
7.1.80.0040.00815.41
7.1.70.0060.00916.34
7.1.60.0120.00817.51
7.1.50.0050.01215.95
7.1.40.0030.00615.57
7.1.30.0100.00315.77
7.1.20.0000.01115.30
7.1.10.0060.00615.74
7.1.00.0040.01919.09
7.0.330.0050.00515.25
7.0.320.0030.01315.49
7.0.310.0060.00615.09
7.0.300.0100.00515.21
7.0.290.0080.01015.18
7.0.280.0210.00014.98
7.0.270.0090.00415.21
7.0.260.0070.00814.94
7.0.250.0040.00915.19
7.0.240.0100.01014.94
7.0.230.0070.00715.32
7.0.220.0070.01015.26
7.0.210.0120.00415.35
7.0.200.0130.00314.88
7.0.190.0060.00315.29
7.0.180.0030.01215.03
7.0.170.0000.01115.19
7.0.160.0040.00815.06
7.0.150.0000.01214.88
7.0.140.0030.04118.60
7.0.130.0070.00715.50
7.0.120.0050.04318.80
7.0.110.0030.00915.14
7.0.100.0100.00315.44
7.0.90.0030.00914.83
7.0.80.0100.00315.14
7.0.70.0040.00415.35
7.0.60.0070.02717.44
7.0.50.0100.03716.44
7.0.40.0090.02016.72
7.0.30.0130.04816.79
7.0.20.0210.02316.85
7.0.10.0030.03016.73
7.0.00.0070.02716.61
5.6.380.0030.01013.95
5.6.370.0030.01014.09
5.6.360.0060.00613.93
5.6.350.0030.00714.14
5.6.340.0040.01113.85
5.6.330.0030.00514.03
5.6.320.0000.01114.18
5.6.310.0030.00613.97
5.6.300.0070.00714.14
5.6.290.0030.00613.94
5.6.280.0090.03417.55
5.6.270.0040.00714.15
5.6.260.0000.01114.20
5.6.250.0030.00714.42
5.6.240.0070.00314.33
5.6.230.0030.00814.38
5.6.220.0070.00414.34
5.6.210.0010.02917.31
5.6.200.0030.04816.26
5.6.190.0070.03217.24
5.6.180.0150.04117.24
5.6.170.0200.03817.50
5.6.160.0070.04517.54
5.6.150.0100.04016.20
5.6.140.0030.04416.14
5.6.130.0110.03716.22
5.6.120.0100.02517.50
5.6.110.0100.03517.68
5.6.100.0060.03917.66
5.6.90.0080.04117.60
5.6.80.0040.02217.19
5.6.70.0040.01114.07
5.6.60.0030.00814.09
5.6.50.0090.00914.34
5.6.40.0100.00314.05
5.6.30.0040.00814.14
5.6.20.0050.00513.95
5.6.10.0040.01114.13
5.6.00.0030.00913.80
5.5.380.0030.00711.18
5.5.370.0020.00511.18
5.5.360.0040.00411.18
5.5.350.0020.02515.81
5.5.340.0050.04314.53
5.5.330.0030.04215.70
5.5.320.0150.02515.73
5.5.310.0180.03615.72
5.5.300.0030.02514.53
5.5.290.0080.04314.60
5.5.280.0050.03016.02
5.5.270.0050.04315.91
5.5.260.0030.03516.02
5.5.250.0050.02915.93
5.5.240.2040.02215.72
5.5.230.0060.00011.18
5.5.220.0000.01011.18
5.5.210.0000.01111.18
5.5.200.0000.01011.18
5.5.190.0030.00611.18
5.5.180.0030.00311.18
5.5.170.0000.01011.18
5.5.160.0000.00711.18
5.5.150.0000.01211.18
5.5.140.0030.00711.18
5.5.130.0070.00311.18
5.5.120.0000.01111.18
5.5.110.0030.00611.18
5.5.100.0030.00611.18
5.5.90.0030.00311.18
5.5.80.0050.00011.18
5.5.70.0000.00711.18
5.5.60.0030.00311.18
5.5.50.0000.00611.18
5.5.40.0030.00911.18
5.5.30.0110.00011.18
5.5.20.0000.01211.18
5.5.10.0000.01211.18
5.5.00.0030.00311.18
5.4.450.0060.04115.28
5.4.440.0100.02815.32
5.4.430.0030.03515.33
5.4.420.0050.02415.14
5.4.410.0040.04215.14
5.4.400.0090.03414.98
5.4.390.0030.02314.99
5.4.380.0000.04515.16
5.4.370.0030.02315.16
5.4.360.0050.02314.98
5.4.350.0030.02714.98
5.4.340.0030.02315.17
5.4.330.0030.00311.18
5.4.320.0050.03815.17
5.4.310.0060.04115.18
5.4.300.0050.02915.13
5.4.290.0070.04014.99
5.4.280.0040.02614.98
5.4.270.0050.04015.16
5.4.260.0090.04015.16
5.4.250.0080.02015.15
5.4.240.0030.02515.14
5.4.230.0080.02214.98
5.4.220.0030.03615.09
5.4.210.0030.04015.16
5.4.200.0080.03515.15
5.4.190.0070.03515.15
5.4.180.0000.03715.17
5.4.170.0080.02115.09
5.4.160.0040.02715.16
5.4.150.0020.03915.11
5.4.140.0080.03613.67
5.4.130.0030.02713.77
5.4.120.0050.03713.75
5.4.110.0100.03013.79
5.4.100.0030.04613.73
5.4.90.0070.03113.76
5.4.80.0020.02713.72
5.4.70.0080.03513.70
5.4.60.0080.03013.65
5.4.50.0100.03713.74
5.4.40.0030.04313.75
5.4.30.0070.02713.74
5.4.20.0020.02413.69
5.4.10.0030.02413.87
5.4.00.0090.03313.41
5.3.290.0070.02212.89
5.3.280.0050.02312.85
5.3.270.0080.02312.86
5.3.260.0090.03112.85
5.3.250.0100.02812.93
5.3.240.0020.03512.86
5.3.230.0080.03812.85
5.3.220.0050.04312.84
5.3.210.0050.03712.84
5.3.200.0020.02612.86
5.3.190.0020.02912.84
5.3.180.0030.03812.84
5.3.170.0100.03312.83
5.3.160.0050.03412.85
5.3.150.0050.04212.85
5.3.140.0050.04012.77
5.3.130.0030.03112.75
5.3.120.0030.02912.87
5.3.110.0080.03712.84
5.3.100.0070.03112.57
5.3.90.0030.03512.56
5.3.80.0030.03612.56
5.3.70.0050.02712.51
5.3.60.0020.02412.55
5.3.50.0000.02312.53
5.3.40.0070.03812.53
5.3.30.0090.03212.44
5.3.20.0050.03012.45
5.3.10.0090.02712.38
5.3.00.0020.03912.40
5.2.170.0040.01711.09
5.2.160.0040.02011.15
5.2.150.0030.02611.14
5.2.140.0080.03211.15
5.2.130.0090.02611.18
5.2.120.0090.03011.14
5.2.110.0060.02111.21
5.2.100.0030.02411.13
5.2.90.0080.02011.18
5.2.80.0030.02811.18
5.2.70.0080.02011.08
5.2.60.0050.03311.08
5.2.50.0050.03411.08
5.2.40.0050.01811.16
5.2.30.0050.01611.11
5.2.20.0020.03510.99
5.2.10.0040.03211.01
5.2.00.0050.03310.89
5.1.60.0020.03210.56
5.1.50.0030.02310.57
5.1.40.0060.02010.65
5.1.30.0020.03310.75
5.1.20.0060.02010.72
5.1.10.0060.02710.63
5.1.00.0030.02510.57
5.0.50.0070.0189.78
5.0.40.0020.0179.74
5.0.30.0020.0259.65
5.0.20.0030.0199.71
5.0.10.0080.0219.68
5.0.00.0000.0309.64
4.4.90.0030.0189.50
4.4.80.0030.0229.50
4.4.70.0020.0119.50
4.4.60.0010.0119.50
4.4.50.0010.0119.50
4.4.40.0070.0229.50
4.4.30.0040.0209.50
4.4.20.0020.0189.50
4.4.10.0020.0219.50
4.4.00.0030.0219.50
4.3.110.0060.0079.50
4.3.100.0030.0189.50
4.3.90.0030.0179.50
4.3.80.0010.0289.50
4.3.70.0030.0179.50
4.3.60.0000.0189.50
4.3.50.0050.0179.50
4.3.40.0050.0239.50
4.3.30.0030.0149.50
4.3.20.0010.0219.50
4.3.10.0010.0139.50
4.3.00.0030.0109.50

preferences:
50.93 ms | 401 KiB | 5 Q