在线文档教程
PHP
Internationalization

grapheme_strstr

grapheme_strstr

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0)

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

Description

Procedural style

string grapheme_strstr ( string $haystack , string $needle [, bool $before_needle = false ] )

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.

before_needle

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

Return Values

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

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

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

  • 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_strrpos

grapheme_substr →

© 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

https://secure.php.net/manual/en/function.grapheme-strstr.php