(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
.
haystack
The entire string.
needle
The 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
.
Questa funzione può
restituire il Booleano false
, ma può anche restituire un valore non-Booleano valutato
come false
. Fare riferimento alla sezione Booleans per maggiori
informazioni. Usare l'operatore ===
per controllare il valore restituito da questa
funzione.
Versione | Descrizione |
---|---|
8.0.0 |
encoding is nullable now.
|