/**
* Locate usernames in an activity content string, as designated by an @ sign.
*
* @since BuddyPress (1.5)
*
* @param string $content The content of the activity, usually found in $activity->content.
* @return array|bool Associative array with user ID as key and username as value. Boolean false if no mentions found.
*/
function bp_activity_find_mentions($content)
{
$pattern = '/[@]+([A-Za-z0-9-_\\.@]+)\\b/';
preg_match_all($pattern, $content, $usernames);
// Make sure there's only one instance of each username
if (!($usernames = array_unique($usernames[1]))) {
return false;
}
$mentioned_users = array();
// We've found some mentions! Check to see if users exist
foreach ((array) $usernames as $key => $username) {
$user_id = bp_activity_get_userid_from_mentionname($username);
// user ID exists, so let's add it to our array
if (!empty($user_id)) {
$mentioned_users[$user_id] = $username;
}
}
if (empty($mentioned_users)) {
return false;
}
return $mentioned_users;
}
/**
* Locate usernames in an activity content string, as designated by an @ sign.
*
* @since 1.5.0
*
* @param string $content The content of the activity, usually found in
* $activity->content.
* @return array|bool Associative array with user ID as key and username as
* value. Boolean false if no mentions found.
*/
function bp_activity_find_mentions($content)
{
$pattern = '/[@]+([A-Za-z0-9-_\\.@]+)\\b/';
preg_match_all($pattern, $content, $usernames);
// Make sure there's only one instance of each username.
$usernames = array_unique($usernames[1]);
// Bail if no usernames.
if (empty($usernames)) {
return false;
}
$mentioned_users = array();
// We've found some mentions! Check to see if users exist.
foreach ((array) array_values($usernames) as $username) {
$user_id = bp_activity_get_userid_from_mentionname($username);
// The user ID exists, so let's add it to our array.
if (!empty($user_id)) {
$mentioned_users[$user_id] = $username;
}
}
if (empty($mentioned_users)) {
return false;
}
/**
* Filters the mentioned users.
*
* @since 2.5.0
*
* @param array $mentioned_users Associative array with user IDs as keys and usernames as values.
*/
return apply_filters('bp_activity_mentioned_users', $mentioned_users);
}
/**
* @group bp_activity_get_userid_from_mentionname
*/
public function test_bp_activity_get_userid_from_mentionname_compatibilitymode_on()
{
add_filter('bp_is_username_compatibility_mode', '__return_true');
// all spaces are hyphens
$u1 = $this->factory->user->create(array('user_login' => 'foo bar baz', 'user_nicename' => 'foobarbaz'));
// no spaces are hyphens
$u2 = $this->factory->user->create(array('user_login' => 'foo-bar-baz-1', 'user_nicename' => 'foobarbaz-1'));
// some spaces are hyphens
$u3 = $this->factory->user->create(array('user_login' => 'foo bar-baz 2', 'user_nicename' => 'foobarbaz-2'));
$u4 = $this->factory->user->create(array('user_login' => 'foo.bar.baz', 'user_nicename' => 'foo-bar-baz'));
$this->assertEquals($u1, bp_activity_get_userid_from_mentionname('foo-bar-baz'));
$this->assertEquals($u2, bp_activity_get_userid_from_mentionname('foo-bar-baz-1'));
$this->assertEquals($u3, bp_activity_get_userid_from_mentionname('foo-bar-baz-2'));
$this->assertEquals($u4, bp_activity_get_userid_from_mentionname('foo.bar.baz'));
remove_filter('bp_is_username_compatibility_mode', '__return_true');
}
