wp_is_internal_link( string $link ): bool

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


Description

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See also


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Parameters

$link string Required
The URL to test.

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Return

bool Returns true for internal URLs and false for all other URLs.


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Source

File: wp-includes/link-template.php. View all references

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;
}


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Changelog

Changelog
Version Description
6.2.0 Introduced.

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