3v4l.org

run code in 300+ PHP versions simultaneously
<?php $some_string = "Ку Ку"; $arra_c = array("UCS-4", "UCS-4BE", "UCS-4LE", "UCS-2", "UCS-2BE", "UCS-2LE", "UTF-32", "UTF-32BE", "UTF-32LE", "UTF-16", "UTF-16BE", "UTF-16LE", "UTF-7", "UTF7-IMAP", "UTF-8", "ASCII", "EUC-JP", "SJIS", "eucJP-win", "SJIS-win", "ISO-2022-JP", "ISO-2022-JP-MS", "CP932", "CP51932", "SJIS-mac", "SJIS-Mobile#DOCOMO", "SJIS-Mobile#KDDI", "SJIS-Mobile#SOFTBANK", "UTF-8-Mobile#DOCOMO", "UTF-8-Mobile#KDDI-A", "UTF-8-Mobile#KDDI-B", "UTF-8-Mobile#SOFTBANK", "ISO-2022-JP-MOBILE#KDDI", "JIS", "JIS-ms", "CP50220", "CP50220raw", "CP50221", "CP50222", "ISO-8859-1", "ISO-8859-2", "ISO-8859-3", "ISO-8859-4", "ISO-8859-5", "ISO-8859-6", "ISO-8859-7", "ISO-8859-8", "ISO-8859-9", "ISO-8859-10", "ISO-8859-13", "ISO-8859-14", "ISO-8859-15", "byte2be", "byte2le", "byte4be", "byte4le", "BASE64", "HTML-ENTITIES", "7bit", "8bit", "EUC-CN", "CP936", "GB18030", "HZ", "EUC-TW", "CP950", "BIG-5", "EUC-KR", "UHC",// (CP949) "ISO-2022-KR", "Windows-1251",// (CP1251) "Windows-1252",// (CP1252) "CP866",// (IBM866) "KOI8-R"); //foreach($arra_c as $k => $v){ var_dump([mb_strimwidth($some_string,0,40,'...'),strlen(mb_strimwidth($some_string,0,40,'...'))]); //var_dump(json_encode(array('message' => str_replace(array('\u041a','\u0443'), array('',''), $some_string)))); //} //var_dump(mb_detect_encoding($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)
8.3.60.0040.01518.43
8.3.50.0090.01021.92
8.3.40.0170.00318.52
8.3.30.0130.00020.34
8.3.20.0000.00720.16
8.3.10.0040.00422.05
8.3.00.0000.00922.43
8.2.180.0060.00916.63
8.2.170.0030.01022.96
8.2.160.0000.01520.48
8.2.150.0040.00424.18
8.2.140.0090.00624.66
8.2.130.0050.00326.16
8.2.120.0030.01617.50
8.2.110.0030.00722.11
8.2.100.0110.00019.33
8.2.90.0060.00319.26
8.2.80.0080.00019.21
8.2.70.0040.00417.63
8.2.60.0060.00317.80
8.2.50.0000.00818.07
8.2.40.0000.00818.17
8.2.30.0050.00318.04
8.2.20.0050.00217.68
8.2.10.0040.00417.62
8.2.00.0000.00717.71
8.1.280.0070.01325.92
8.1.270.0040.00424.66
8.1.260.0070.00026.35
8.1.250.0030.00628.09
8.1.240.0080.00023.67
8.1.230.0080.00419.09
8.1.220.0000.00917.74
8.1.210.0060.00318.77
8.1.200.0050.00517.23
8.1.190.0030.00517.40
8.1.180.0040.00418.79
8.1.170.0000.00918.57
8.1.160.0000.00722.10
8.1.150.0050.00218.77
8.1.140.0030.00517.40
8.1.130.0030.00317.84
8.1.120.0050.00517.42
8.1.110.0000.00717.45
8.1.100.0040.00417.48
8.1.90.0000.00717.48
8.1.80.0070.00017.46
8.1.70.0040.00417.43
8.1.60.0000.00817.61
8.1.50.0000.00917.63
8.1.40.0030.00517.61
8.1.30.0000.00817.71
8.1.20.0030.00517.67
8.1.10.0040.00417.60
8.1.00.0060.00317.37
8.0.300.0060.00318.77
8.0.290.0000.00717.05
8.0.280.0030.00318.51
8.0.270.0070.00017.32
8.0.260.0030.00316.94
8.0.250.0040.00417.01
8.0.240.0060.00316.99
8.0.230.0000.00717.02
8.0.220.0070.00316.84
8.0.210.0050.00216.85
8.0.200.0030.00317.05
8.0.190.0040.00417.02
8.0.180.0030.00717.04
8.0.170.0000.00716.89
8.0.160.0030.00416.93
8.0.150.0000.00716.97
8.0.140.0040.00416.95
8.0.130.0000.00513.38
8.0.120.0000.00916.92
8.0.110.0040.00416.94
8.0.100.0040.00416.86
8.0.90.0000.00717.08
8.0.80.0060.00916.98
8.0.70.0040.00416.84
8.0.60.0080.00016.83
8.0.50.0040.00416.87
8.0.30.0080.01017.04
8.0.20.0070.01117.40
8.0.10.0040.00417.01
8.0.00.0120.00616.82
7.4.330.0020.00215.00
7.4.320.0000.00716.67
7.4.300.0000.00616.63
7.4.290.0030.00316.69
7.4.280.0000.00716.55
7.4.270.0040.00416.57
7.4.260.0000.00716.48
7.4.250.0040.00416.66
7.4.240.0030.00416.61
7.4.230.0000.00716.73
7.4.220.0100.00716.79
7.4.210.0130.00616.60
7.4.200.0040.00416.74
7.4.190.0050.00316.76
7.4.160.0120.00416.44
7.4.150.0180.00017.40
7.4.140.0150.02017.86
7.4.130.0120.00916.58
7.4.120.0070.01116.48
7.4.110.0160.00316.55
7.4.100.0080.00816.41
7.4.90.0130.00316.47
7.4.80.0060.01219.39
7.4.70.0100.01016.45
7.4.60.0070.01516.23
7.4.50.0000.00416.59
7.4.40.0030.01022.77
7.4.30.0130.00316.37
7.4.00.0030.01314.95
7.3.330.0060.00013.15
7.3.320.0030.00213.01
7.3.310.0000.00716.11
7.3.300.0030.00316.27
7.3.290.0090.01016.16
7.3.280.0140.00316.28
7.3.270.0120.00417.40
7.3.260.0120.00616.24
7.3.250.0090.00816.39
7.3.240.0140.00416.23
7.3.230.0080.01116.39
7.3.210.0070.01116.52
7.3.200.0110.01119.39
7.3.190.0090.01116.57
7.3.180.0080.00816.45
7.3.170.0090.00616.29
7.3.160.0050.01116.61
7.3.120.0080.00614.82
7.2.330.0070.01016.55
7.2.320.0060.01316.45
7.2.310.0130.00416.34
7.2.300.0100.00716.62
7.2.290.0120.00316.68
7.2.60.0110.00416.84
7.2.00.0030.01019.20
7.1.200.0000.00615.73
7.1.100.0080.00318.13
7.1.70.0070.00317.21
7.1.60.0070.01319.21
7.1.50.0060.01216.88
7.1.00.0000.05322.40
7.0.200.0270.00314.72
7.0.140.0030.07322.00
7.0.60.0130.08019.93
7.0.50.0030.08017.91
7.0.40.0030.06019.96
7.0.30.0430.04020.00
7.0.20.0300.07020.18
7.0.10.0070.08720.13
7.0.00.0130.07719.99
5.6.280.0000.07721.11
5.6.210.0070.08020.61
5.6.200.0030.04318.25
5.6.190.0070.07020.43
5.6.180.0230.04320.43
5.6.170.0170.04020.53
5.6.160.0170.07720.47
5.6.150.0030.04018.22
5.6.140.0000.07718.22
5.6.130.0070.05718.18
5.6.120.0170.08021.14
5.6.110.0030.04721.02
5.6.100.0230.06021.10
5.6.90.0130.08321.09
5.6.80.0100.08020.42
5.6.70.4530.03320.38
5.5.350.0200.07020.52
5.5.340.0070.06017.96
5.5.330.0000.06020.21
5.5.320.0070.04020.34
5.5.310.0170.04020.29
5.5.300.0070.04317.96
5.5.290.0030.04018.01
5.5.280.0130.07320.76
5.5.270.0070.04020.80
5.5.260.0170.06720.97
5.5.250.0130.07020.63
5.5.240.0230.05020.20
5.4.450.1030.06719.59
5.4.440.0870.05319.63
5.4.430.1000.05719.09
5.4.420.0100.05319.41
5.4.410.0730.05719.35
5.4.400.0300.05718.51
5.4.390.0600.05318.74
5.4.380.0200.06018.71
5.4.370.0170.05018.72
5.4.360.0170.05018.65
5.4.350.0050.03911.99
5.4.340.0050.03811.98
5.4.320.0090.04312.48
5.4.310.0080.04212.47
5.4.300.0080.04012.48
5.4.290.0090.03712.47
5.4.280.0060.03612.37
5.4.270.0060.04012.37
5.4.260.0110.04112.37
5.4.250.0100.07019.00
5.4.240.0070.05318.84
5.4.230.0100.05718.91
5.4.220.0130.04718.96
5.4.210.0130.05318.79
5.4.200.0130.06318.91
5.4.190.0030.05718.82
5.4.180.0030.08018.99
5.4.170.0100.05318.89
5.4.160.0070.07318.83
5.4.150.0030.08318.71
5.4.140.0030.05716.49
5.4.130.0100.04716.30
5.4.120.0100.05016.26
5.4.110.0070.05016.36
5.4.100.0100.04316.24
5.4.90.0030.05316.27
5.4.80.0070.04716.21
5.4.70.0100.05716.43
5.4.60.0200.05016.40
5.4.50.0130.06016.37
5.4.40.0030.07016.38
5.4.30.0130.05016.33
5.4.20.0100.06016.42
5.4.10.0200.05716.32
5.4.00.0100.05015.75
5.3.290.0120.03812.80
5.3.280.0100.07014.61
5.3.270.0070.07714.63
5.3.260.0100.05014.63
5.3.250.0070.06714.39
5.3.240.0070.06314.64
5.3.230.0070.07014.46
5.3.220.0030.06014.47
5.3.210.0030.07714.61
5.3.200.0070.05014.63
5.3.190.0070.07314.60
5.3.180.0000.05714.69
5.3.170.0130.06714.58
5.3.160.0170.06014.47
5.3.150.0030.07014.50
5.3.140.0030.05714.59
5.3.130.0130.05314.45
5.3.120.0100.07014.27
5.3.110.0070.05314.54
5.3.100.0130.04713.90
5.3.90.0070.07313.95
5.3.80.0170.04013.88
5.3.70.0070.05013.98
5.3.60.0170.04014.03
5.3.50.0070.05014.06
5.3.40.0170.05314.11
5.3.30.0130.04313.94
5.3.20.0100.04713.70
5.3.10.0070.05713.71
5.3.00.0130.04313.70
5.2.170.0170.04311.15
5.2.160.0070.03711.09
5.2.150.0030.04711.09
5.2.140.0030.04311.07
5.2.130.0070.04310.95
5.2.120.0030.06011.12
5.2.110.0130.04711.13
5.2.100.0170.05011.03
5.2.90.0070.06011.01
5.2.80.0100.04311.01
5.2.70.0000.04711.10
5.2.60.0030.04710.97
5.2.50.0130.04310.96
5.2.40.0070.03711.03
5.2.30.0170.03010.91
5.2.20.0030.05011.07
5.2.10.0000.04310.71
5.2.00.0100.03710.89
5.1.60.0070.03310.09
5.1.50.0100.03310.06
5.1.40.0000.0379.76
5.1.30.0030.05010.11
5.1.20.0130.04310.26
5.1.10.0030.03710.27
5.1.00.0000.04710.01
5.0.50.0030.0338.46
5.0.40.0030.0408.35
5.0.30.0070.0378.28
5.0.20.0130.0178.16
5.0.10.0070.0338.33
5.0.00.0000.0438.26
4.4.90.0030.0277.53
4.4.80.0000.0277.53
4.4.70.0000.0307.54
4.4.60.0070.0177.54
4.4.50.0070.0177.54
4.4.40.0000.0437.54
4.4.30.0030.0277.54
4.4.20.0030.0307.54
4.4.10.0000.0237.54
4.4.00.0030.0407.54
4.3.110.0030.0277.54
4.3.100.0030.0207.54
4.3.90.0070.0177.54
4.3.80.0030.0307.54
4.3.70.0070.0237.54
4.3.60.0000.0207.54
4.3.50.0030.0207.54
4.3.40.0070.0407.54
4.3.30.0070.0237.54
4.3.20.0030.0207.54
4.3.10.0000.0237.54
4.3.00.0170.0206.59

preferences:
54.53 ms | 400 KiB | 5 Q