grapheme_stristr

(PHP 5 >= 5.3.0, PHP 7, 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

说明

过程化风格

grapheme_stristr ( string $haystack , string $needle [, bool $before_needle = FALSE ] ) : string

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

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 needle).

返回值

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

范例

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));

?>

以上例程会输出：

o%CC%88a%CC%8A

参见

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