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.

Parameters

$urls_to_pingstring

Sanitized space or carriage return separated URLs.

$to_pingstring

Space or carriage return separated URLs before sanitization.

Source

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

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