PHP 7.1.0 Release Candidate 5 Released


(PHP 5 >= 5.3.0, PECL intl >= 1.0.0)

grapheme_strrposFind position (in grapheme units) of last occurrence of a string


Stile procedurale

int grapheme_strrpos ( string $haystack , string $needle [, int $offset = 0 ] )

Find position (in grapheme units) of last occurrence of a string

Elenco dei parametri


The string to look in. Must be valid UTF-8.


The string to look for. Must be valid UTF-8.


The optional $offset parameter allows you to specify where in $haystack to start searching as an offset in grapheme units (not bytes or characters). The position returned is still relative to the beginning of haystack regardless of the value of $offset.

Valori restituiti

Returns the position as an integer. If needle is not found, grapheme_strrpos() will return boolean FALSE.


Example #1 grapheme_strrpos() example

"a\xCC\x8A";  // 'LATIN SMALL LETTER A WITH RING ABOVE' (U+00E5) normalization form "D"
$char_o_diaeresis_nfd "o\xCC\x88"// 'LATIN SMALL LETTER O WITH DIAERESIS' (U+00F6) normalization form "D"

print grapheme_strrpos$char_a_ring_nfd $char_o_diaeresis_nfd $char_o_diaeresis_nfd$char_o_diaeresis_nfd);

Il precedente esempio visualizzerĂ :


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