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HOME > PHP Manual > grapheme_strripos - Find position (in grapheme units) of last occurrence of a case-insensitive string

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grapheme_strripos

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

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

Description

Procedural style

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

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

Parameters

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.

Return Values

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

Examples

Example #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);

?>

The above example will output:

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