php[tek] 2018 : Call for Speakers

grapheme_strstr

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

grapheme_strstrReturns part of haystack string from the first occurrence of needle to the end of haystack.

说明

过程化风格

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).

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

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));

?>

以上例程会输出:

o%CC%88a%CC%8A

参见

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