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username_exists › WordPress Function
Since2.0.0
Deprecatedn/a
› username_exists ( $username )
Parameters: |
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Returns: |
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Defined at: |
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Codex: |
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.Source
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 );
}