Php/docs/function.grapheme-strrpos

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grapheme_strrpos

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0)

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


Description

Procedural style

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

Find position (in grapheme units) of last occurrence of a 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). 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_strrpos() will return boolean FALSE.


Examples

Example #1 grapheme_strrpos() 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_strrpos( $char_a_ring_nfd . $char_o_diaeresis_nfd . $char_o_diaeresis_nfd, $char_o_diaeresis_nfd);?>

The above example will output:

2

See Also