Grapheme Functions
PHP Manual

grapheme_strstr

Returns part of haystack string from the first occurrence of needle to the end of haystack

Description

Procedural style

stringfalse grapheme_strstr(
    string $haystack,
    string $needle,
    bool $beforeNeedle = false,
    string $locale = ""
)

Returns part of haystack string from the first occurrence of needle to the end of haystack (including the needle).

Parameters

haystack

The input string. Must be valid UTF-8.

needle

The string to look for. Must be valid UTF-8.

beforeNeedle

If true, grapheme_strstr returns the part of the haystack before the first occurrence of the needle (excluding the needle).

locale
Locale to use.

Return Values

Returns the portion of haystack, or false if needle is not found.

Changelog

Version Description
8.5.0 The optional parameter locale has been added.

Examples

Example #1 grapheme_strstr 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 urlencode(grapheme_stristr( $char_a_ring_nfd . $char_o_diaeresis_nfd . $char_a_ring_nfd, $char_o_diaeresis_nfd));

?>

The above example will output:

o%CC%88a%CC%8A

See Also