grapheme_stripos
grapheme_strlen
intl Functions
PHP Manual

# grapheme_stristr

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

grapheme_stristr — Returns part of haystack string from the first occurrence of case-insensitive needle to the end of haystack.

### Descripción

Procedural style

string grapheme_stristr ( string `$haystack` , string `$needle` [, bool `$before_needle` ] )

Returns part of haystack string from the first occurrence of case-insensitive needle to the end of haystack.

### Lista de parámetros

`haystack`

  The input string. Must be valid UTF-8.

`needle`

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

`before_needle`

  If TRUE (the default is FALSE), grapheme_strstr() returns the part of the haystack before the first occurrence of the needle.

### Valores retornados

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

### Ejemplos

Example #1 grapheme_stristr() 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"
$char_O_diaeresis_nfd = "O\xCC\x88"; // 'LATIN CAPITAL LETTER O WITH DIAERESIS' (U+00D6) normalization form "D"
print urlencode(grapheme_stristr( $char_a_ring_nfd . $char_o_diaeresis_nfd . $char_a_ring_nfd, $char_O_diaeresis_nfd));
?>`

El resultado del ejemplo seria:

    o%CC%88a%CC%8A

### Ver también

- grapheme_stripos() - Find position (in grapheme units) of first occurrence of a case-insensitive string
- grapheme_strpos() - Find position (in grapheme units) of first occurrence of a string
- grapheme_strripos() - Find position (in grapheme units) of last occurrence of a case-insensitive string
- grapheme_strrpos() - Find position (in grapheme units) of last occurrence of a string
- grapheme_strstr() - Returns part of haystack string from the first occurrence of needle to the end of haystack.
- » Unicode Text Segmentation: Grapheme Cluster Boundaries

grapheme_stripos
grapheme_strlen
intl Functions
PHP Manual