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[ticket/17387] Make regex match unicode characters

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PHPBB-17387
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rxu 2024-09-02 17:46:16 +07:00
parent 8acba2db02
commit 66b6a5e1f3
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1 changed files with 2 additions and 2 deletions
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phpBB/includes/functions_content.php
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@ -400,13 +400,13 @@ function get_context(string $text, array $words, int $length = 400): string
$fragment_end = $end - $start + 1;
// Find the first valid alphanumeric character in the fragment to don't cut words
if ($start > 0 && preg_match('/[^a-zA-Z0-9][a-zA-Z0-9]/u', $fragment, $matches, PREG_OFFSET_CAPTURE))
if ($start > 0 && preg_match('/[^\p{L}\p{N}][\p{L}\p{N}]/ui', $fragment, $matches, PREG_OFFSET_CAPTURE))
{
$fragment_start = (int) $matches[0][1] + 1; // first valid alphanumeric character
}
// Find the last valid alphanumeric character in the fragment to don't cut words
if ($end < $text_length - 1 && preg_match_all('/[a-zA-Z0-9][^a-zA-Z0-9]/u', $fragment, $matches, PREG_OFFSET_CAPTURE))
if ($end < $text_length - 1 && preg_match_all('/[\p{L}\p{N}][^\p{L}\p{N}]/ui', $fragment, $matches, PREG_OFFSET_CAPTURE))
{
$fragment_end = end($matches[0])[1]; // last valid alphanumeric character
}