3v4l.org

run code in 300+ PHP versions simultaneously
<?php mb_internal_encoding('UTF-8'); $value = 'g' . chr(0xa4) .'eld'; mb_substitute_character('none'); $originalValue = $value; var_dump(mb_detect_encoding($value, mb_detect_order())); $value = mb_convert_encoding($value, 'UTF-8'); var_dump($value, mb_strlen($value, 'UTF-8'), mb_strlen($originalValue));

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)
8.3.40.0080.00818.71
8.3.30.0090.00618.96
8.3.20.0040.00420.34
8.3.10.0080.00021.76
8.3.00.0080.00022.30
8.2.170.0130.00922.96
8.2.160.0030.01022.13
8.2.150.0070.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00021.95
8.2.110.0090.00022.11
8.2.100.0090.00317.78
8.2.90.0040.00419.08
8.2.80.0000.00817.97
8.2.70.0080.00017.50
8.2.60.0000.00917.80
8.2.50.0000.00818.07
8.2.40.0040.00419.47
8.2.30.0050.00218.08
8.2.20.0040.00417.64
8.2.10.0050.00319.44
8.2.00.0050.00317.81
8.1.270.0000.00823.85
8.1.260.0040.00426.35
8.1.250.0110.00328.09
8.1.240.0090.00023.77
8.1.230.0070.00419.01
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0050.00317.43
8.1.180.0040.00418.10
8.1.170.0000.00818.55
8.1.160.0040.00422.03
8.1.150.0070.00018.58
8.1.140.0030.00517.44
8.1.130.0040.00417.90
8.1.120.0000.00717.48
8.1.110.0070.00017.50
8.1.100.0020.00517.34
8.1.90.0000.00717.48
8.1.80.0000.00717.44
8.1.70.0060.00017.43
8.1.60.0000.01017.51
8.1.50.0000.00817.45
8.1.40.0000.00817.55
8.1.30.0030.00517.61
8.1.20.0030.00617.71
8.1.10.0060.00317.47
8.1.00.0080.00017.34
8.0.300.0000.00718.77
8.0.290.0070.00017.16
8.0.280.0030.00318.45
8.0.270.0000.00717.23
8.0.260.0000.00616.74
8.0.250.0000.00717.03
8.0.240.0060.00316.98
8.0.230.0000.00716.89
8.0.220.0070.00016.87
8.0.210.0030.00316.83
8.0.200.0030.00316.94
8.0.190.0060.00316.83
8.0.180.0070.00316.93
8.0.170.0050.00216.79
8.0.160.0000.00716.81
8.0.150.0030.00316.84
8.0.140.0050.00216.77
8.0.130.0030.00313.29
8.0.120.0000.00816.77
8.0.110.0000.00816.82
8.0.100.0000.00716.85
8.0.90.0000.00716.89
8.0.80.0080.00816.85
8.0.70.0040.00416.77
8.0.60.0040.00416.84
8.0.50.0040.00416.76
8.0.30.0140.00517.07
8.0.20.0100.01017.40
8.0.10.0000.00817.02
8.0.00.0090.00816.67
7.4.330.0000.00515.15
7.4.320.0030.00316.44
7.4.300.0000.00716.48
7.4.290.0030.00316.59
7.4.280.0040.00416.62
7.4.270.0000.00716.51
7.4.260.0030.00516.53
7.4.250.0070.00016.39
7.4.240.0020.00516.59
7.4.230.0000.00816.70
7.4.220.0070.02016.64
7.4.210.0100.00716.58
7.4.200.0000.00716.71
7.4.190.0030.00316.48
7.4.160.0160.00616.34
7.4.150.0090.00917.40
7.4.140.0070.01317.86
7.4.130.0130.00716.52
7.4.120.0070.01316.56
7.4.110.0070.01016.49
7.4.100.0110.01116.39
7.4.90.0140.00316.34
7.4.80.0030.01316.40
7.4.70.0070.01016.58
7.4.60.0100.01016.46
7.4.50.0000.00416.33
7.4.40.0060.00922.77
7.4.30.0060.01016.45
7.4.00.0100.00514.95
7.3.330.0020.00213.16
7.3.320.0000.00513.01
7.3.310.0000.00616.34
7.3.300.0070.00016.32
7.3.290.0060.00816.26
7.3.280.0060.01116.25
7.3.270.0120.00417.40
7.3.260.0090.00916.40
7.3.250.0050.01116.32
7.3.240.0120.00916.21
7.3.230.0030.01716.39
7.3.210.0060.01216.73
7.3.200.0090.00919.39
7.3.190.0090.01416.21
7.3.180.0080.00816.30
7.3.170.0030.01216.54
7.3.160.0060.01516.25
7.3.120.0090.00914.65
7.3.110.0100.00514.62
7.3.100.0030.01014.63
7.3.90.0080.00514.74
7.3.80.0070.00814.98
7.3.70.0040.00914.70
7.3.60.0030.01414.72
7.3.50.0120.00014.83
7.3.40.0050.00714.81
7.3.30.0050.00914.66
7.3.20.0070.00616.26
7.3.10.0080.00316.47
7.3.00.0090.00716.55
7.2.330.0040.01416.55
7.2.320.0160.00616.48
7.2.310.0130.00316.61
7.2.300.0100.00716.60
7.2.290.0160.00416.36
7.2.250.0070.01115.05
7.2.240.0070.01014.97
7.2.230.0050.01014.75
7.2.220.0030.01114.91
7.2.210.0060.01214.87
7.2.200.0050.00714.80
7.2.190.0060.00914.94
7.2.180.0030.01014.88
7.2.170.0020.01314.96
7.2.160.0090.00714.87
7.2.150.0050.00716.71
7.2.140.0050.00816.79
7.2.130.0060.00916.64
7.2.120.0050.00816.80
7.2.110.0070.00916.87
7.2.100.0000.01716.53
7.2.90.0130.00416.73
7.2.80.0060.00816.84
7.2.70.0080.00816.77
7.2.60.0020.01116.82
7.2.50.0090.00616.71
7.2.40.0050.01216.88
7.2.30.0090.00216.80
7.2.20.0080.00716.89
7.2.10.0090.00616.84
7.2.00.0060.00917.73
7.1.330.0090.00815.75
7.1.320.0050.01215.73
7.1.310.0030.00815.89
7.1.300.0050.00915.54
7.1.290.0060.01015.82
7.1.280.0070.00915.78
7.1.270.0060.01015.61
7.1.260.0060.00815.87
7.1.250.0060.00715.86
7.1.240.0060.00915.81
7.1.230.0070.00415.54
7.1.220.0000.01115.73
7.1.210.0130.00015.91
7.1.200.0020.00915.74
7.1.190.0070.00715.76
7.1.180.0040.00815.77
7.1.170.0000.00915.71
7.1.160.0070.01015.92
7.1.150.0040.00815.85
7.1.140.0000.00815.84
7.1.130.0030.01015.80
7.1.120.0110.00415.47
7.1.110.0080.00415.86
7.1.100.0040.00816.87
7.1.90.0030.00515.82
7.1.80.0060.00615.71
7.1.70.0050.00816.43
7.1.60.0120.00717.53
7.1.50.0050.00816.21
7.1.40.0070.00715.67
7.1.30.0060.00915.79
7.1.20.0030.01415.54
7.1.10.0070.00315.64
7.1.00.0000.04619.14
7.0.330.0040.00715.29
7.0.320.0030.00715.51
7.0.310.0040.00415.07
7.0.300.0070.00715.47
7.0.290.0000.01315.46
7.0.280.0090.00615.40
7.0.270.0110.00015.42
7.0.260.0120.00015.34
7.0.250.0040.00415.57
7.0.240.0100.00315.25
7.0.230.0040.01115.33
7.0.220.0000.01315.12
7.0.210.0000.01315.55
7.0.200.0110.00216.07
7.0.190.0070.00715.49
7.0.180.0040.01115.25
7.0.170.0030.01015.31
7.0.160.0090.00315.43
7.0.150.0040.00415.45
7.0.140.0050.04018.65
7.0.130.0090.00315.55
7.0.120.0030.00815.48
7.0.110.0070.00715.44
7.0.100.0000.01315.24
7.0.90.0060.00615.51
7.0.80.0070.00315.26
7.0.70.0060.00815.16
7.0.60.0110.03917.71
7.0.50.0020.04816.68
7.0.40.0070.02316.92
7.0.30.0280.03216.88
7.0.20.0130.03416.82
7.0.10.0050.02516.95
7.0.00.0080.04016.91
5.6.400.0070.00714.47
5.6.390.0090.00614.17
5.6.380.0050.00514.11
5.6.370.0100.00614.04
5.6.360.0030.01314.59
5.6.350.0070.01014.43
5.6.340.0090.00314.04
5.6.330.0080.00014.44
5.6.320.0060.00614.06
5.6.310.0000.01214.41
5.6.300.0100.00314.49
5.6.290.0040.01114.49
5.6.280.0090.03717.61
5.6.270.0070.00314.30
5.6.260.0110.00414.38
5.6.250.0060.00614.28
5.6.240.0090.00314.05
5.6.230.0050.00514.30
5.6.220.0080.00614.22
5.6.210.0030.03317.46
5.6.200.0090.03016.19
5.6.190.0100.04017.34
5.6.180.0170.04617.49
5.6.170.0160.02117.28
5.6.160.0110.02317.33
5.6.150.0070.04516.18
5.6.140.0050.02216.21
5.6.130.0050.04116.24
5.6.120.0050.04117.62
5.6.110.0070.04117.49
5.6.100.0060.02717.62
5.6.90.0030.03717.64
5.6.80.0120.03317.35
5.6.70.0090.00614.25
5.6.60.0000.01114.21
5.6.50.0040.00814.35
5.6.40.0060.00914.22
5.6.30.0030.01014.28
5.6.20.0030.01014.37
5.6.10.0040.01213.95
5.6.00.0040.01414.04
5.5.380.0040.00414.60
5.5.370.0070.00314.15
5.5.360.0080.00813.99
5.5.350.0020.04617.34
5.5.340.0030.04516.23
5.5.330.0070.03117.24
5.5.320.0290.03317.20
5.5.310.0140.02817.23
5.5.300.0060.03016.12
5.5.290.0050.04216.13
5.5.280.0050.02317.43
5.5.270.0050.04417.53
5.5.260.0030.04917.70
5.5.250.0100.04017.21
5.5.240.1740.02417.25
5.5.230.0000.01514.10
5.5.220.0030.00714.11
5.5.210.0000.01314.17
5.5.200.0060.00614.07
5.5.190.0070.00714.23
5.5.180.0070.00414.13
5.5.170.0040.01414.14
5.5.160.0030.00614.17
5.5.150.0060.00914.18
5.5.140.0060.01014.36
5.5.130.0040.01114.05
5.5.120.0000.01014.45
5.5.110.0030.01214.19
5.5.100.0030.01413.89
5.5.90.0040.01114.29
5.5.80.0000.01114.02
5.5.70.0000.00914.22
5.5.60.0040.01114.25
5.5.50.0050.00314.28
5.5.40.0080.00014.17
5.5.30.0070.00314.21
5.5.20.0040.01113.97
5.5.10.0040.01113.93
5.5.00.0070.00713.74
5.4.450.0180.03715.79
5.4.440.0180.02215.80
5.4.430.0200.03615.82
5.4.420.0160.03515.64
5.4.410.0150.02515.74
5.4.400.0170.03915.54
5.4.390.0180.02515.62
5.4.380.0230.03115.70
5.4.370.0200.03815.65
5.4.360.0160.02515.54
5.4.350.0170.03215.47
5.4.340.0170.03315.63
5.4.330.0030.01012.16
5.4.320.0210.03315.70
5.4.310.0190.03415.50
5.4.300.0180.02715.63
5.4.290.0160.02415.64
5.4.280.0150.02815.45
5.4.270.0220.03515.64
5.4.260.0190.02015.62
5.4.250.0150.02715.52
5.4.240.0180.02515.61
5.4.230.0250.01915.68
5.4.220.0200.03615.61
5.4.210.0170.02515.62
5.4.200.0150.03215.48
5.4.190.0160.02115.61
5.4.180.0130.03015.64
5.4.170.0130.02615.65
5.4.160.0130.02815.68
5.4.150.0150.03615.68
5.4.140.0210.02814.22
5.4.130.0160.02114.19
5.4.120.0150.03614.25
5.4.110.0150.02514.25
5.4.100.0130.04114.28
5.4.90.0200.03514.32
5.4.80.0150.03814.27
5.4.70.0210.03314.24
5.4.60.0220.02514.27
5.4.50.0150.03114.11
5.4.40.0200.02314.12
5.4.30.0230.03214.24
5.4.20.0170.02314.23
5.4.10.0220.03214.26
5.4.00.0150.03213.89
5.3.290.0210.03413.34
5.3.280.0180.03713.29
5.3.270.0130.02913.40
5.3.260.0130.02313.43
5.3.250.0120.03613.35
5.3.240.0230.03413.37
5.3.230.0150.02713.30
5.3.220.0160.01813.31
5.3.210.0160.01813.29
5.3.200.0220.02513.41
5.3.190.0180.03713.37
5.3.180.0160.03813.28
5.3.170.0170.02113.34
5.3.160.0120.02413.35
5.3.150.0180.03713.28
5.3.140.0200.03713.37
5.3.130.0150.04013.28
5.3.120.0150.02513.27
5.3.110.0250.03213.29
5.3.100.0200.03513.03
5.3.90.0190.03413.01
5.3.80.0200.03513.08
5.3.70.0170.03313.13
5.3.60.0200.02013.00
5.3.50.0130.02613.02
5.3.40.0170.03813.03
5.3.30.0200.02513.00
5.3.20.0150.02112.88
5.3.10.0150.03212.83
5.3.00.0210.02512.80
5.2.170.0200.03712.24
5.2.160.0230.04712.24
5.2.150.0370.04312.24
5.2.140.0300.05312.24
5.2.130.0370.04712.24
5.2.120.0270.05712.24
5.2.110.0200.04712.24
5.2.100.0270.05312.24
5.2.90.0270.04312.24
5.2.80.0200.04312.24
5.2.70.0270.05312.24
5.2.60.0270.06312.24
5.2.50.0270.04312.24
5.2.40.0230.03712.24
5.2.30.0170.06012.24
5.2.20.0170.05012.24
5.2.10.0230.05712.24
5.2.00.0230.04012.24
5.1.60.0200.05012.24
5.1.50.0200.05312.24
5.1.40.0200.03012.24
5.1.30.0170.03312.24
5.1.20.0170.02712.24
5.1.10.0230.03312.24
5.1.00.0230.05012.24
5.0.50.0100.04312.24
5.0.40.0130.04312.24
5.0.30.0070.04012.24
5.0.20.0070.02012.24
5.0.10.0070.03012.24
5.0.00.0070.05712.24
4.4.90.0130.02712.24
4.4.80.0100.03712.24
4.4.70.0130.02712.24
4.4.60.0100.03312.24
4.4.50.0100.03712.24
4.4.40.0100.04012.24
4.4.30.0130.02012.24
4.4.20.0100.01712.24
4.4.10.0100.04012.24
4.4.00.0070.05312.24
4.3.110.0070.02712.24
4.3.100.0070.01712.24
4.3.90.0100.02312.24
4.3.80.0100.04312.24
4.3.70.0100.02312.24
4.3.60.0070.03712.24
4.3.50.0130.02712.24
4.3.40.0130.03312.24
4.3.30.0000.03312.24
4.3.20.0070.02712.24
4.3.10.0030.02012.24
4.3.00.0030.03312.24

preferences:
44.27 ms | 400 KiB | 5 Q