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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
---|---|
299 | * |
300 | * @since 3.9.0 |
301 | * |
302 | * @param int|null $segments The number of path segments to consider. WordPress by default looks at |
303 | * one path segment following the network path. The function default of |
304 | * null only makes sense when you know the requested path should match a site. |
305 | * @param string $domain The requested domain. |
306 | * @param string $path The requested path, in full. |
307 | */ |
308 | $segments = apply_filters( 'site_by_path_segments_count', $segments, $domain, $path ); |
309 |
|
310 | if ( null !== $segments && count( $path_segments ) > $segments ) { |
311 | $path_segments = array_slice( $path_segments, 0, $segments ); |
312 | } |
313 |
|
314 | $paths = array(); |
315 |
|
316 | while ( count( $path_segments ) ) { |
317 | $paths[] = '/' . implode( '/', $path_segments ) . '/'; |