strings

The following functions are used to process strings and text:

Method	Description	Available from version
TxtToHTML	Converts plain text to HTML formatted text.
HTMLToTxt	Converts the original HTML code to plain text by deleting tags or replacing them with the equivalent text format.
TruncateText	Truncates the specified string to the maximum length of max_length. If a string is truncated, ellipsis are added.
InsertSpaces	Splits long words in a text. Returns the text containing words of the specified length.
RandString	Returns a string of the specified length consisting of random symbols.
ToUpper	Converts symbols of the original string to uppercase.
ToLower	Converts the symbols of the original string to lowercase.
htmlspecialcharsEx	Converts text to HTML safe format, replacing special symbols with the corresponding HTML entities.
htmlspecialcharsBack	Converts text from HTML safe format to the human-readable form.
utf8win1251	Converts a string from UTF-8 to Windows-1251.
TrimEx	Deletes a character in the string from the specified side.
TrimExAll	Deletes all right- and left-most characters.
Bxstrrpos	Returns the position of the last string occurrence.
CheckSerializedData	Check of serialized string validity.