(PHP 5, PHP 7, PHP 8)
iconv_strrpos — Finds the last occurrence of a needle within a haystack
   Finds the last occurrence of a needle
   within a haystack.
  
   In contrast to strrpos(), the return value of
   iconv_strrpos() is the number of characters that
   appear before the needle, rather than the offset in bytes to the
   position where the needle has been found. The characters are counted
   on the basis of the specified character set encoding.
  
haystackThe entire string.
needleThe searched substring.
encoding
       If encoding parameter is omitted or null,
       string are assumed to be encoded in
       iconv.internal_encoding.
      
   If haystack or needle is
   not a string, it is converted to a string and applied as the ordinal
   value of a character.
  
   Returns the numeric position of the last occurrence of
   needle in haystack.
  
   If needle is not found,
   iconv_strrpos() will return false.
  
Diese Funktion kann sowohl das
boolsche false zurückliefern, als auch einen nicht-boolschen Wert, welcher zu false ausgewertet wird.
Weitere Informationen entnehmen Sie bitte dem Abschnitt über die
 boolschen Typen. Benutzen Sie deshalb
den === Operator,
um den Rückgabewert dieser Funktion zu überprüfen.
| Version | Beschreibung | 
|---|---|
| 8.0.0 | encodingis nullable now. | 
