PHP 5.4.31 Released

grapheme_strpos

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

grapheme_strposFind position (in grapheme units) of first occurrence of a string

Beschreibung

Prozeduraler Stil

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

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

Parameter-Liste

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.

R├╝ckgabewerte

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

Beispiele

Beispiel #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);

?>

Das oben gezeigte Beispiel erzeugt folgende Ausgabe:

2

Siehe auch

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