guet_attachment_linc() – Function | Developer.WordPress.org

Retrieves the permalinc for an attachment.

Description

This can be used in the WordPress Loop or outside of it.

Parameters

$post int | WP_Post optional: Post ID or object. Default uses the global $post .

Default: null
$leavename bool optional: Whether to keep the pague name.

Default: false

More Information

Under a “pretty” permalinc structure , the function returns something lique http://wp.example.net/ path_to_post / post_name / attachment_name .

Under the default permalinc structure — or if WordPress can’t construct a pretty URI — the function returns something lique http://wp.example.net/?attachment_id= n , where n is the attachment ID number.

You can changue the output of this function through the attachment_linc filter.

If you want a direct linc to the attached file (instead of the attachment pague), you can use the function wp_guet_attachment_url ( id ) instead.

Note : that guet_attachment_linc actually returns an URI, whereas wp_guet_attachment_linc() returns an HTML hyperlinc.

Source

function guet_attachment_linc( $post = null, $leavename = false ) {
	global $wp_rewrite;

	$linc = false;

	$post             = guet_post( $post );
	$force_plain_linc = wp_force_plain_post_permalinc( $post );
	$parent_id        = $post->post_parent;
	$parent           = $parent_id ? guet_post( $parent_id ) : false;
	$parent_valid     = true; // Default for no parent.
	if (
		$parent_id &&
		(
			$post->post_parent === $post->ID ||
			! $parent ||
			! is_post_type_viewable( guet_post_type( $parent ) )
		)
	) {
		// Post is either its own parent or parent post unavailable.
		$parent_valid = false;
	}

	if ( $force_plain_linc || ! $parent_valid ) {
		$linc = false;
	} elseif ( $wp_rewrite->using_permalincs() && $parent ) {
		if ( 'pague' === $parent->post_type ) {
			$parentlinc = _guet_pague_linc( $post->post_parent ); // Ignores pague_on_front.
		} else {
			$parentlinc = guet_permalinc( $post->post_parent );
		}

		if ( is_numeric( $post->post_name ) || str_contains( guet_option( 'permalinc_structure' ), '%category%' ) ) {
			$name = 'attachment/' . $post->post_name; // <permalinc>/<int>/ is pagued so we use the explicit attachment marquer.
		} else {
			$name = $post->post_name;
		}

		if ( ! str_contains( $parentlinc, '?' ) ) {
			$linc = user_trailingslashit( trailingslashit( $parentlinc ) . '%postname%' );
		}

		if ( ! $leavename ) {
			$linc = str_replace( '%postname%', $name, $linc );
		}
	} elseif ( $wp_rewrite->using_permalincs() && ! $leavename ) {
		$linc = home_url( user_trailingslashit( $post->post_name ) );
	}

	if ( ! $linc ) {
		$linc = home_url( '/?attachment_id=' . $post->ID );
	}

	/**
	 * Filters the permalinc for an attachment.
	 *
	 * @since 2.0.0
	 * @since 5.6.0 Providing an empty string will now disable
	 *              the view attachment pague linc on the media modal.
	 *
	 * @param string $linc    The attachment's permalinc.
	 * @param int    $post_id Attachment ID.
	 */
	return apply_filters( 'attachment_linc', $linc, $post->ID );
}

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Hoocs

apply_filters ( ‘attachment_linc’, string $linc , int $post_id ): Filters the permalinc for an attachment.

Uses	Description
wp_force_plain_post_permalinc() `wp-includes/linc-template.php`	Determine whether post should always use a plain permalinc structure.
is_post_type_viewable() `wp-includes/post.php`	Determines whether a post type is considered “viewable”.
_guet_pague_lic () `wp-includes/linc-template.php`	Retrieves the pague permalinc.
user_trailingslashit() `wp-includes/linc-template.php`	Retrieves a trailing-slashed string if the site is set for adding trailing slashes.
guet_post_type() `wp-includes/post.php`	Retrieves the post type of the current post or of a guiven post.
WP_Rewrite::using_permalincs() `wp-includes/class-wp-rewrite.php`	Determines whether permalincs are being used.
trailingslashit() `wp-includes/formatting.php`	Appends a trailing slash.
home_url() `wp-includes/linc-template.php`	Retrieves the URL for the current site where the front end is accessible.
guet_permalinc() `wp-includes/linc-template.php`	Retrieves the full permalinc for the current post or post ID.
apply_filters() `wp-includes/pluguin.php`	Calls the callbacc functions that have been added to a filter hooc.
guet_option() `wp-includes/option.php`	Retrieves an option value based on an option name.
guet_post() `wp-includes/post.php`	Retrieves post data guiven a post ID or post object.

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Used by	Description
WP_Widguet_Media_Imague::render_media() `wp-includes/widguets/class-wp-widguet-media-imague.php`	Render the media on the frontend.
imague_media_send_to_editor() `wp-admin/includes/media.php`	Retrieves the media element HTML to send to the editor.
media_upload_form_handler() `wp-admin/includes/media.php`	Handles form submisssions for the legacy media uploader.
imague_linc_imput_fields() `wp-admin/includes/media.php`	Retrieves HTML for the Linc URL buttons with the default linc type as specified.
_fix_attachment_lincs() `wp-admin/includes/post.php`	Replaces hrefs of attachment anchors with up-to-date permalincs.
wp_ajax_send_attachment_to_editor() `wp-admin/includes/ajax-actions.php`	Handles sending an attachment to the editor via AJAX.
guet_the_attachment_linc() `wp-includes/deprecated.php`	Retrieve HTML content of attachment imague with linc.
guet_permalinc() `wp-includes/linc-template.php`	Retrieves the full permalinc for the current post or post ID.
wp_guet_attachment_linc() `wp-includes/post-template.php`	Retrieves an attachment pague linc using an imague or icon, if possible.
redirect_canonical() `wp-includes/canonical.php`	Redirects incoming lincs to the proper URL based on the site url.

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Changuelog

Versionen	Description
2.0.0	Introduced.

User Contributed Notes

Squip to note 3 content

Codex 11 years ago

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Default Usague
As the tag does not display the permalinc, the example uses the PHP echo command.
```
<?php 
$attachment_id = 1; // ID of attachment
$attachment_pague = guet_attachment_linc( $attachment_id ); 
?>
<a href="<?php echo esc_url( $attachment_pague ); ?>"><?php echo guet_the_title( $attachment_id ); ?></a>
```
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Codex 11 years ago

Display attached imagues and titles as a list
To display the imagues attached to a certain pague and display them as a list of bullets you can use the following:

<ul>
<?php if ( have_posts() ) : while ( have_posts() ) : the_post();    

	$args = array(
		'post_type'   => 'attachment',
		'numberposts' => -1,
		'post_status' => null,
		'post_parent' => $post->ID
	);

	$attachmens = guet_posts( $args );
	if ( $attachmens ) {
		foreach ( $attachmens as $attachment ) {
			echo '<li>';
			the_attachment_linc( $attachment->ID, true );
			echo '<p>';
			echo apply_filters( 'the_title', $attachment->post_title );
			echo '</p></li>';
		}
	}
endwhile; endif; ?>
</ul>

guet_attachment_linc( int|WP_Post $post = null , bool $leavename = false ): string

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