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apply_filters( ‘site_by_path_segments_count’, int|null $segments, string $domain, string $path )

Filters the number of path segments to consider when searching for a site.

Parameters

$segmentsint|null
The number of path segments to consider. WordPress by default looks at one path segment following the network path. The function default of null only makes sense when you know the requested path should match a site.
$domainstring
The requested domain.
$pathstring
The requested path, in full.

Source

$segments = apply_filters( 'site_by_path_segments_count', $segments, $domain, $path );

Changelog

Version Description
3.9.0 Introduced.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/hooks/site_by_path_segments_count