bp_activity_at_name_filter( string $content, int $activity_id )

Find and link @-mentioned users in the contents of a given item.

Description

Parameters

$content

(string) (Required) The contents of a given item.

$activity_id

(int) (Required) The activity id. Deprecated.

Return

(string) $content Content filtered for mentions.

Source

File: bp-activity/bp-activity-filters.php

function bp_activity_at_name_filter( $content, $activity_id = 0 ) {

	// Are mentions disabled?
	if ( ! bp_activity_do_mentions() ) {
		return $content;
	}

	// Try to find mentions.
	$usernames = bp_activity_find_mentions( $content );

	// No mentions? Stop now!
	if ( empty( $usernames ) )
		return $content;

	// We don't want to link @mentions that are inside of links, so we
	// temporarily remove them.
	$replace_count = 0;
	$replacements = array();
	foreach ( $usernames as $username ) {
		// Prevent @ name linking inside <a> tags.
		preg_match_all( '/(<a.*?(?!<\/a>)@' . $username . '.*?<\/a>)/', $content, $content_matches );
		if ( ! empty( $content_matches[1] ) ) {
			foreach ( $content_matches[1] as $replacement ) {
				$replacements[ '#BPAN' . $replace_count ] = $replacement;
				$content = str_replace( $replacement, '#BPAN' . $replace_count, $content );
				$replace_count++;
			}
		}
	}

	// Linkify the mentions with the username.
	foreach ( (array) $usernames as $user_id => $username ) {
		$content = preg_replace( '/(@' . $username . '\b)/', "<a class='bp-suggestions-mention' href='" . bp_core_get_user_domain( $user_id ) . "' rel='nofollow'>@$username</a>", $content );
	}

	// Put everything back.
	if ( ! empty( $replacements ) ) {
		foreach ( $replacements as $placeholder => $original ) {
			$content = str_replace( $placeholder, $original, $content );
		}
	}

	// Return the content.
	return $content;
}

Changelog

Changelog
Version Description
BuddyPress 1.2.0 Introduced.

Questions?

We're always happy to help with code or other questions you might have! Search our developer docs, contact support, or connect with our sales team.