grapheme_strlen
grapheme_strripos
intl Функции
PHP Manual

# grapheme_strpos

(No version information available, might be only in CVS)

grapheme_strpos — Find position (in grapheme units) of first occurrence of a string

### Описание

Procedural style

int grapheme_strpos ( string `$haystack` , string `$needle` [, int `$offset` ] )

Find position (in grapheme units) of first occurrence of a 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). If not given, the default is zero. 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, strpos() will return boolean FALSE.

### Примеры

Пример #1 grapheme_strpos() 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"
print grapheme_strpos( $char_a_ring_nfd . $char_a_ring_nfd . $char_o_diaeresis_nfd, $char_o_diaeresis_nfd);
?>`

Результат выполнения данного примера:

    2

### Смотрите также

- grapheme_stripos()
- grapheme_stristr()
- grapheme_strripos()
- grapheme_strrpos()
- grapheme_strstr()
- » Unicode Text Segmentation: Grapheme Cluster Boundaries

grapheme_strlen
grapheme_strripos
intl Функции
PHP Manual