3v4l.org

run code in 300+ PHP versions simultaneously
<?php $some_string = 'Моё первое уведомление для слоупоков аххахахахахахах вот как-то так, надеюсь оно дойдёт'; $arra_c = array( "UTF-8", "ASCII", "ISO-8859-1", "ISO-8859-2", "ISO-8859-3", "ISO-8859-4", "ISO-8859-6", "ISO-8859-7", "ISO-8859-8", "ISO-8859-9", "ISO-8859-10", "ISO-8859-13", "ISO-8859-14", "ISO-8859-15", "EUC-TW", "CP950", "BIG-5", "Windows-1252",// (CP1252) ); foreach($arra_c as $k => $v){ var_dump(mb_convert_encoding($some_string,$v). "-" . $v ." # ". strlen(json_encode(array('message' => mb_convert_encoding($some_string,$v))))); } //var_dump(mb_detect_encoding($some_string)); //var_dump(strlen(json_encode(array('message' => $some_string))));

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)
8.3.60.0140.01118.47
8.3.50.0100.00716.73
8.3.40.0100.00719.04
8.3.30.0060.00918.83
8.3.20.0080.00018.94
8.3.10.0030.00518.89
8.3.00.0040.00419.38
8.2.180.0090.00918.66
8.2.170.0140.00322.96
8.2.160.0100.01020.27
8.2.150.0030.00524.18
8.2.140.0110.01124.66
8.2.130.0000.00726.16
8.2.120.0040.00418.00
8.2.110.0050.00522.33
8.2.100.0040.01117.84
8.2.90.0060.00318.13
8.2.80.0060.00317.97
8.2.70.0030.00517.88
8.2.60.0000.00818.43
8.2.50.0000.00818.07
8.2.40.0030.00719.62
8.2.30.0060.00318.13
8.2.20.0000.00917.88
8.2.10.0000.00818.06
8.2.00.0050.00517.99
8.1.270.0040.00424.66
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0090.00023.96
8.1.230.0080.00319.27
8.1.220.0060.00317.91
8.1.210.0060.00318.77
8.1.200.0060.00317.60
8.1.190.0100.00317.60
8.1.180.0030.00518.10
8.1.170.0000.00919.08
8.1.160.0000.00919.07
8.1.150.0060.00618.88
8.1.140.0000.00917.70
8.1.130.0000.00717.75
8.1.120.0040.00417.79
8.1.110.0000.00917.65
8.1.100.0070.00017.75
8.1.90.0000.00717.80
8.1.80.0000.00717.78
8.1.70.0050.00217.66
8.1.60.0040.00417.88
8.1.50.0000.00717.61
8.1.40.0090.00317.79
8.1.30.0060.00317.80
8.1.20.0040.01117.98
8.1.10.0020.00517.73
8.1.00.0040.00417.77
8.0.300.0000.00718.77
8.0.290.0090.00017.00
8.0.280.0030.00518.74
8.0.270.0040.00417.55
8.0.260.0000.00716.96
8.0.250.0030.00617.00
8.0.240.0070.00317.11
8.0.230.0050.00517.04
8.0.220.0050.00216.95
8.0.210.0090.00017.03
8.0.200.0030.00517.11
8.0.190.0000.00717.17
8.0.180.0040.00417.05
8.0.170.0000.00817.00
8.0.160.0050.00517.07
8.0.150.0050.00317.06
8.0.140.0030.00916.84
8.0.130.0000.00613.51
8.0.120.0050.00517.04
8.0.110.0040.00417.09
8.0.100.0000.00817.20
8.0.90.0080.00017.03
8.0.80.0110.01117.11
8.0.70.0000.00817.16
8.0.60.0060.00317.18
8.0.50.0050.00516.91
8.0.30.0090.00917.08
8.0.20.0100.00917.35
8.0.10.0040.00416.90
8.0.00.0100.01416.96
7.4.330.0000.00613.18
7.4.320.0000.00616.57
7.4.300.0060.00016.71
7.4.290.0050.00516.62
7.4.280.0100.00016.67
7.4.270.0040.00416.56
7.4.260.0030.00613.40
7.4.250.0000.00816.59
7.4.240.0000.00816.69
7.4.230.0030.00616.76
7.4.220.0130.00616.66
7.4.210.0110.01116.59
7.4.200.0000.00716.60
7.4.190.0040.00416.81
7.4.160.0140.00716.65
7.4.150.0120.00616.64
7.4.140.0140.00617.86
7.4.130.0160.00416.60
7.4.120.0030.01816.51
7.4.110.0120.00916.82
7.4.100.0060.01216.45
7.4.90.0190.00016.69
7.4.80.0070.01819.39
7.4.70.0060.01216.68
7.4.60.0070.01116.64
7.4.50.0040.00416.43
7.4.40.0070.00716.40
7.4.30.0140.00316.64
7.4.00.0100.00615.00
7.3.330.0030.00313.32
7.3.320.0040.00513.26
7.3.310.0040.00416.45
7.3.300.0040.00416.48
7.3.290.0130.00616.44
7.3.280.0090.01116.49
7.3.270.0070.01116.55
7.3.260.0100.01016.69
7.3.240.0200.00316.73
7.3.230.0140.01016.58
7.3.210.0100.00716.48
7.3.200.0070.01116.25
7.3.190.0180.00316.34
7.3.180.0020.01516.68
7.3.170.0190.00316.54
7.3.160.0100.00716.76
7.3.120.0060.00914.81
7.3.10.0080.00516.88
7.3.00.0030.01016.83
7.2.330.0100.01016.87
7.2.320.0090.01016.79
7.2.310.0090.01616.91
7.2.300.0100.00816.54
7.2.290.0100.01016.99
7.2.130.0030.00717.05
7.2.120.0050.00317.27
7.2.110.0060.00617.05
7.2.100.0100.00617.11
7.2.90.0070.00717.25
7.2.80.0120.00417.30
7.2.70.0070.01017.28
7.2.60.0070.00317.25
7.2.50.0170.00017.09
7.2.40.0160.00017.35
7.2.30.0000.01017.07
7.2.20.0030.00917.05
7.2.10.0070.01016.98
7.2.00.0030.01018.38
7.1.250.0030.00515.78
7.1.240.0040.00415.91
7.1.230.0070.01015.90
7.1.220.0070.00715.89
7.1.210.0030.00516.23
7.1.200.0000.01115.75
7.1.190.0030.01016.02
7.1.180.0050.00515.89
7.1.170.0030.01215.90
7.1.160.0080.00415.94
7.1.150.0000.01015.93
7.1.140.0070.00716.02
7.1.130.0040.00816.01
7.1.120.0100.00316.16
7.1.110.0110.00316.05
7.1.100.0060.00915.97
7.1.90.0100.00315.83
7.1.80.0110.00716.03
7.1.70.0040.00716.52
7.1.60.0080.00817.40
7.1.50.0090.01216.52
7.1.40.0070.01115.81
7.1.30.0030.01316.18
7.1.20.0060.01216.04
7.1.10.0040.00415.85
7.1.00.0050.02019.21
7.0.330.0060.00615.30
7.0.320.0090.00315.67
7.0.310.0030.01015.51
7.0.300.0060.00615.31
7.0.290.0000.01315.59
7.0.280.0040.01115.70
7.0.270.0030.01015.34
7.0.260.0030.01215.39
7.0.250.0110.00315.64
7.0.240.0070.01015.42
7.0.230.0070.01115.55
7.0.220.0070.00715.38
7.0.210.0060.00615.45
7.0.200.0020.00916.25
7.0.190.0000.01215.41
7.0.180.0100.00715.62
7.0.170.0080.00415.67
7.0.160.0070.00715.62
7.0.150.0030.00915.64
7.0.140.0070.03818.84
7.0.130.0000.01115.52
7.0.120.0050.03218.88
7.0.110.0040.00415.47
7.0.100.0050.00515.36
7.0.90.0150.04217.74
7.0.80.0100.03517.77
7.0.70.0060.02617.65
7.0.60.0060.04317.72
7.0.50.0090.04217.97
7.0.40.0120.03916.85
7.0.30.0140.04216.87
7.0.20.0100.04316.90
7.0.10.0140.03616.91
7.0.00.0100.04316.78
5.6.380.0030.01014.53
5.6.370.0070.01014.20
5.6.360.0060.00614.72
5.6.350.0080.00814.42
5.6.340.0040.00414.49
5.6.330.0150.00314.43
5.6.320.0110.00314.39
5.6.310.0030.01214.70
5.6.300.0000.01314.59
5.6.290.0030.01014.73
5.6.280.0060.03817.76
5.6.270.0000.01314.55
5.6.260.0070.00314.61
5.6.250.0030.00714.69
5.6.240.0050.02717.50
5.6.230.0120.01817.55
5.6.220.0040.04617.56
5.6.210.0050.04617.43
5.6.200.0100.04217.73
5.6.190.0100.02217.71
5.6.180.0090.02317.81
5.6.170.0050.04617.69
5.6.160.0070.03317.77
5.6.150.0090.03917.79
5.6.140.0080.04217.70
5.6.130.0080.04517.77
5.6.120.0100.04017.86
5.6.110.0050.03317.81
5.6.100.0070.03517.82
5.6.90.0050.02517.85
5.6.80.0070.02217.54
5.6.70.0100.02017.43
5.6.60.0050.02717.40
5.6.50.0030.03017.38
5.6.40.0050.02517.38
5.6.30.0080.02417.41
5.6.20.0090.02917.35
5.6.10.0050.03117.37
5.6.00.0100.01817.35
5.5.380.0020.04215.86
5.5.370.0080.03615.81
5.5.360.0050.04316.01
5.5.350.0150.02215.65
5.5.340.0050.04916.12
5.5.330.0080.04015.88
5.5.320.0130.03716.06
5.5.310.0030.04316.24
5.5.300.0110.04116.11
5.5.290.0100.04116.02
5.5.280.0050.04016.04
5.5.270.0070.02315.89
5.5.260.0030.02415.98
5.5.250.0110.02515.97
5.5.240.0030.02815.45
5.5.230.0010.02615.50
5.5.220.0040.02215.59
5.5.210.0050.02115.67
5.5.200.0020.02315.62
5.5.190.0020.02515.41
5.5.180.0070.03315.68
5.5.170.0000.01111.21
5.5.160.0050.02315.82
5.5.150.0050.01915.62
5.5.140.0070.02215.66
5.5.130.0070.02215.80
5.5.120.0080.03315.79
5.5.110.0020.02615.63
5.5.100.0120.03115.60
5.5.90.0050.02415.55
5.5.80.0090.02515.71
5.5.70.0130.02315.65
5.5.60.0030.02415.72
5.5.50.0020.02215.53
5.5.40.0080.01815.63
5.5.30.0020.02515.60
5.5.20.0060.01815.63
5.5.10.0040.02515.39
5.5.00.0080.03615.64
5.4.450.0120.03215.29
5.4.440.0060.02215.31
5.4.430.0040.02615.10
5.4.420.0130.01815.27
5.4.410.0100.01715.19
5.4.400.0050.02515.02
5.4.390.0030.02514.98
5.4.380.0030.02315.13
5.4.370.0040.02415.19
5.4.360.0030.02515.28
5.4.350.0050.02015.09
5.4.340.0020.03215.02
5.4.330.0000.01011.23
5.4.320.0040.02014.90
5.4.310.0050.02114.99
5.4.300.0030.03515.07
5.4.290.0030.02115.06
5.4.280.0030.02714.86
5.4.270.0030.02315.06
5.4.260.0070.03214.96
5.4.250.0040.04014.98
5.4.240.0030.02515.07
5.4.230.0060.03515.00
5.4.220.0030.04215.17
5.4.210.0000.02514.95
5.4.200.0020.02214.92
5.4.190.0050.01714.93
5.4.180.0080.02215.19
5.4.170.0080.01515.10
5.4.160.0090.01815.02
5.4.150.0000.02515.11
5.4.140.0000.02413.70
5.4.130.0030.03013.79
5.4.120.0110.03313.73
5.4.110.0110.03313.51
5.4.100.0120.03513.54
5.4.90.0120.03813.82
5.4.80.0050.03213.54
5.4.70.0050.03813.71
5.4.60.0070.04113.76
5.4.50.0070.02713.77
5.4.40.0020.04513.73
5.4.30.0040.04113.75
5.4.20.0070.03813.66
5.4.10.0100.03213.79
5.4.00.0070.01913.41
5.3.290.0060.02112.56
5.3.280.0050.02012.46
5.3.270.0030.02212.60
5.3.260.0050.02712.49
5.3.250.0090.01512.43
5.3.240.0030.03212.42
5.3.230.0070.03012.63
5.3.220.0030.04112.46
5.3.210.0070.04212.48
5.3.200.0030.03412.57
5.3.190.0070.03912.50
5.3.180.0100.02712.61
5.3.170.0030.03312.57
5.3.160.0030.02712.50
5.3.150.0070.03312.58
5.3.140.0140.02012.63
5.3.130.0020.04112.53
5.3.120.0080.02812.51
5.3.110.0070.03012.59
5.3.100.0040.03012.23
5.3.90.0070.03812.33
5.3.80.0100.03812.16
5.3.70.0040.02412.25
5.3.60.0100.03512.29
5.3.50.0030.03612.23
5.3.40.0090.02112.13
5.3.30.0070.03812.17
5.3.20.0030.03012.01
5.3.10.0120.03311.92
5.3.00.0060.02811.97
5.2.170.0070.02810.43
5.2.160.0080.03410.41
5.2.150.0100.02810.40
5.2.140.0060.02010.35
5.2.130.0070.02310.44
5.2.120.0020.03510.43
5.2.110.0030.03510.49
5.2.100.0030.03310.42
5.2.90.0100.02310.40
5.2.80.0030.02010.37
5.2.70.0030.03010.37
5.2.60.0060.03210.20
5.2.50.0020.03810.35
5.2.40.0030.03710.20
5.2.30.0070.02710.14
5.2.20.0090.01610.06
5.2.10.0050.02910.11
5.2.00.0050.02710.04
5.1.60.0030.0309.36
5.1.50.0080.0239.17
5.1.40.0030.0309.42
5.1.30.0070.0239.61
5.1.20.0070.0229.49
5.1.10.0040.0209.41
5.1.00.0060.0239.19
5.0.50.0010.0238.12
5.0.40.0070.0128.07
5.0.30.0000.0327.98
5.0.20.0040.0238.00
5.0.10.0050.0137.97
5.0.00.0020.0217.92
4.4.90.0040.0187.52
4.4.80.0020.0197.52
4.4.70.0040.0197.52
4.4.60.0050.0187.52
4.4.50.0040.0157.52
4.4.40.0010.0307.52
4.4.30.0010.0207.52
4.4.20.0030.0107.52
4.4.10.0020.0207.52
4.4.00.0050.0247.52
4.3.110.0040.0127.52
4.3.100.0000.0157.52
4.3.90.0030.0147.52
4.3.80.0020.0277.52
4.3.70.0040.0157.52
4.3.60.0020.0157.52
4.3.50.0000.0137.52
4.3.40.0040.0167.52
4.3.30.0000.0137.52
4.3.20.0030.0187.52
4.3.10.0070.0077.52
4.3.00.0010.0167.52

preferences:
57.71 ms | 400 KiB | 5 Q