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HOME > PHP Manual > grapheme_stristr - Returns part of haystack string from the first occurrence of case-insensitive needle to the end of haystack.

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grapheme_stristr

(No version information available, might be only in CVS)

grapheme_stristr — Returns part of haystack string from the first occurrence of case-insensitive needle to the end of haystack.

Description

Procedural style

string grapheme_stristr ( string $haystack , string $needle [, boolean $before_needle ] )

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

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 (the default is FALSE), grapheme_strstr() returns the part of the haystack before the first occurence of the needle.

Return Values

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

Examples

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));

?>

The above example will output:

o%CC%88a%CC%8A

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