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username_exists › WordPress Function
Da2.0.0
Deprecaton/a
› username_exists ( $username )
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Determines whether the given username exists.
For more information on this and similar theme functions, check out the {@link Conditional Tags} article in the Theme Developer Handbook.Sorgenti
function username_exists( $username ) { $user = get_user_by( 'login', $username ); if ( $user ) { $user_id = $user->ID; } else { $user_id = false; } /** * Filters whether the given username exists. * * @since 4.9.0 * * @param int|false $user_id The user ID associated with the username, * or false if the username does not exist. * @param string $username The username to check for existence. */ return apply_filters( 'username_exists', $user_id, $username ); }