Grapheme Функции
PHP Manual

grapheme_strripos

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

grapheme_strriposFind position (in grapheme units) of last occurrence of a case-insensitive string

Описание

Procedural style

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

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

Список параметров

haystack

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

needle

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

offset

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.

Возвращаемые значения

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

Примеры

Пример #1 grapheme_strripos() example

<?php

$char_a_ring_nfd 
"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"
$char_O_diaeresis_nfd "O\xCC\x88"// 'LATIN CAPITAL LETTER O WITH DIAERESIS' (U+00D6) normalization form "D"

print grapheme_strripos$char_a_ring_nfd $char_o_diaeresis_nfd $char_o_diaeresis_nfd$char_O_diaeresis_nfd);

?>

Результат выполнения данного примера:

2

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Grapheme Функции
PHP Manual