GRAPHEME_STRPOS(3) 1 GRAPHEME_STRPOS(3)
grapheme_strpos - Find position (in grapheme units) of first occurrence of a string
Procedural style
SYNOPSIS
int grapheme_strpos (string $haystack, string $needle, [int $offset])
DESCRIPTION
Find position (in grapheme units) of first occurrence of a string
PARAMETERS
o $haystack
- The string to look in. Must be valid UTF-8.
o $needle
- The string to look for. Must be valid UTF-8.
o $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, strpos() will return boolean FALSE.
EXAMPLES
Example #1
grapheme_strpos(3) example
<?php
$char_a_ring_nfd = "axCCx8A"; // 'LATIN SMALL LETTER A WITH RING ABOVE' (U+00E5) normalization form "D"
$char_o_diaeresis_nfd = "oxCCx88"; // '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);
?>
The above example will output:
2
SEE ALSO
grapheme_stripos(3), grapheme_stristr(3), grapheme_strripos(3), grapheme_strrpos(3), grapheme_strstr(3), Unicode Text Segmentation:
Grapheme Cluster Boundaries .
PHP Documentation Group GRAPHEME_STRPOS(3)
