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get_trackback_url()

get_trackback_url(): string

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Retrieves the current post’s trackback URL.

Description

There is a check to see if permalink’s have been enabled and if so, will retrieve the pretty path. If permalinks weren’t enabled, the ID of the current post is used and appended to the correct page to go to.

Return

string The trackback URL after being filtered.

Source

function get_trackback_url() {
	if ( get_option( 'permalink_structure' ) ) {
		$trackback_url = trailingslashit( get_permalink() ) . user_trailingslashit( 'trackback', 'single_trackback' );
	} else {
		$trackback_url = get_option( 'siteurl' ) . '/wp-trackback.php?p=' . get_the_ID();
	}

	/**
	 * Filters the returned trackback URL.
	 *
	 * @since 2.2.0
	 *
	 * @param string $trackback_url The trackback URL.
	 */
	return apply_filters( 'trackback_url', $trackback_url );
}

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Hooks

apply_filters( ‘trackback_url’, string $trackback_url )

Filters the returned trackback URL.

UsesDescription
user_trailingslashit()wp-includes/link-template.php

Retrieves a trailing-slashed string if the site is set for adding trailing slashes.

get_the_ID()wp-includes/post-template.php

Retrieves the ID of the current item in the WordPress Loop.

trailingslashit()wp-includes/formatting.php

Appends a trailing slash.

get_permalink()wp-includes/link-template.php

Retrieves the full permalink for the current post or post ID.

apply_filters()wp-includes/plugin.php

Calls the callback functions that have been added to a filter hook.

get_option()wp-includes/option.php

Retrieves an option value based on an option name.

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Used byDescription
trackback_url()wp-includes/comment-template.php

Displays the current post’s trackback URL.

trackback_rdf()wp-includes/comment-template.php

Generates and displays the RDF for the trackback information of current post.

Changelog

VersionDescription
1.5.0Introduced.

User Contributed Notes

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