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wp_is_internal_link › WordPress Function

Since6.2.0
Deprecatedn/a
› wp_is_internal_link ( $link )
Parameters:
  • (string) $link The URL to test.
    Required: Yes
See:
Returns:
  • (bool) Returns true for internal URLs and false for all other URLs.
Defined at:
Codex:

Determines whether or not the specified URL is of a host included in the internal hosts list.



Related Functions: wp_set_internal_encoding, wp_insert_link, wp_installing, wp_internal_hosts, wp_site_icon

Source 

function wp_is_internal_link( $link ) {
	$link = strtolower( $link );
	if ( in_array( wp_parse_url( $link, PHP_URL_SCHEME ), wp_allowed_protocols(), true ) ) {
		return in_array( wp_parse_url( $link, PHP_URL_HOST ), wp_internal_hosts(), true );
	}
	return false;
}