wp_admin_canonical_url() – Remove single-use URL parameters and create canonical link based on new URL.

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Description

Removes single-use URL parameters and create canonical link based on new URL.

Removes specific query string parameters from a URL, create the canonical link, put it in the admin header, and change the current URL to match.

Usage

wp_admin_canonical_url();

Parameters

Returns

void

Source

File name: wordpress/wp-admin/includes/misc.php
Lines:

1 to 19 of 19
function wp_admin_canonical_url() {
  $removable_query_args = wp_removable_query_args();

  if ( empty( $removable_query_args ) ) {
    return;
  }

  // Ensure we're using an absolute URL.
  $current_url  = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
  $filtered_url = remove_query_arg( $removable_query_args, $current_url );
  ?>
	<link id="wp-admin-canonical" rel="canonical" href="<?php echo esc_url( $filtered_url ); ?>" />
	<script>
		if ( window.history.replaceState ) {
			window.history.replaceState( null, null, document.getElementById( 'wp-admin-canonical' ).href + window.location.hash );
		}
	</script>
	<?php
}
 

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