======htmlencode======

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Convert applicable characters in a [[PTPScript:Types:String|String]] to HTML entities.

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**Syntax**
  * ''[[PTPScript:Types:String|String]] htmlencode( [[PTPScript:Types:String|String]] subject [, [[PTPScript:Types:Number|Number]] quotes [, [[PTPScript:Types:Boolean|Boolean]] all [, [[PTPScript:Types:String|String]] charset ] ] ] )''

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**Parameters**
  * [[PTPScript:Types:String|String]] ''subject'' - The String to convert.
  * [[PTPScript:Types:Number|Number]] ''quotes'' - How to convert quotes.
    * ''0'' - Leave quotes unconverted.
    * ''1'' - Convert single-quotes and leave double-quotes unconverted.
    * ''2'' (default) - Convert double-quotes and leave single-quotes unconverted.
    * ''3'' - Convert single-quotes and double-quotes.
  * [[PTPScript:Types:Boolean|Boolean]] ''all'' - Whether to convert all possible characters.
    * **''false''** - Only ampersands (&), single-quotes ('), double-quotes ("), less than (<), and greater than (>) are converted.
    * **''true''** (default) - All characters with HTML entity equivalents are converted.
  * [[PTPScript:Types:String|String]] ''charset'' - The character set used in the conversion. The default is ISO-8859-1.

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**Result**
  * [[PTPScript:Types:String|String]] - The converted String.
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Returns ''subject'' with special characters converted to their HTML entity equivalents.

===Supported character sets===

^ Charset	^ Aliases	^ Description ^
| ISO-8859-1	| ISO8859-1	| Western European, Latin-1 |
| ISO-8859-15	| ISO8859-15	| Western European, Latin-9. Adds the Euro sign, French and Finnish letters missing in Latin-1(ISO-8859-1) |
| UTF-8	 	|  	 	| ASCII compatible multi-byte 8-bit Unicode |
| cp866 	| ibm866, 866	| DOS-specific Cyrillic charset |
| cp1251	| Windows-1251, win-1251, 1251	| Windows-specific Cyrillic charset |
| cp1252	| Windows-1252, 1252	| Windows specific charset for Western European |
| KOI8-R	| koi8-ru, koi8r	| Russian |
| BIG5	950	|  	 	| Traditional Chinese, mainly used in Taiwan |
| GB2312	| 936	 	| Simplified Chinese, national standard character set |
| BIG5-HKSCS	| 	 	| Big5 with Hong Kong extensions, Traditional Chinese |
| Shift_JIS	| SJIS, 932	| Japanese |
| EUC-JP	| EUCJP	 	| Japanese |