grapheme_strstr()

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

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

说明

过程化风格
grapheme_strstr(string $haystack,string $needle[,bool $before_needle= FALSE]): string

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

参数

$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).

返回值

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

范例

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));
?>

以上例程会输出：

o%CC%88a%CC%8A

参见

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
» Unicode Text Segmentation: Grapheme Cluster Boundaries