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Do not set domainRegExp for local files

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`parse_url($this->url, \PHP_URL_HOST)` will return `null` for local filesystem path.
Casting it to `string` will produce an empty regular expression,
which would match any link when computing link density.

(cherry picked from commit c7208f6ad2)

This also fixes a warning since 1.x passes the `null` directly to `preg_replace` instead of explicitly casting it to `string`.
This commit is contained in:
Jan Tojnar
2025-03-03 23:35:40 +01:00
parent 487ce3a517
commit 235baf965c
1 changed files with 4 additions and 1 deletions
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src/Readability.php
+4 -1
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@@ -1396,7 +1396,10 @@ class Readability implements LoggerAwareInterface
$this->logger->debug('Parsing URL: ' . $this->url);
if ($this->url) {
$this->domainRegExp = '/' . strtr(preg_replace('/www\d*\./', '', parse_url($this->url, \PHP_URL_HOST)), ['.' => '\.']) . '/';
$host = parse_url($this->url, \PHP_URL_HOST);
if (null !== $host) {
$this->domainRegExp = '/' . strtr(preg_replace('/www\d*\./', '', $host), ['.' => '\.']) . '/';
}
}
mb_internal_encoding('UTF-8');