grapheme_strstr

(PHP 5 >= 5.3.0, PHP 7, PHP 8, PECL intl >= 1.0.0)

grapheme_strstr — 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 $beforeNeedle = false): string|false

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.
beforeNeedle: 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 haystack, or false if needle is not found.

示例

示例 #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));

?>

以上示例会输出：

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

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官方地址：https://www.php.net/manual/en/function.grapheme-strstr.php

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grapheme_strstr

说明

参数

返回值

示例

参见

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