grapheme_strrpos
Find position (in grapheme units) of last occurrence of a string
Description
Procedural style
intfalse grapheme_strrpos(string $haystack
, string $needle
, int $offset
= 0)
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 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: