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
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).
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
- » Unicode Text Segmentation: Grapheme Cluster Boundaries
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https://www.php.net/manual/en/function.grapheme-strstr.php