sanitize_trackback_urls – Hook | Developer.WordPress.org

apply_filters( ‘sanitize_trackback_urls’, string $urls_to_ping, string $to_ping )

Filters a list of trackback URLs following sanitization.

Description

The string returned here consists of a space or carriage return-delimited list of trackback URLs.

$urls_to_pingstring: Sanitized space or carriage return separated URLs.
$to_pingstring: Space or carriage return separated URLs before sanitization.

return apply_filters( 'sanitize_trackback_urls', $urls_to_ping, $to_ping );

Used by	Description
sanitize_trackback_urls()`wp-includes/formatting.php`	Sanitizes space or carriage return separated URLs that are used to send trackbacks.

Version	Description
3.4.0	Introduced.

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