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username_exists

Definition:
function username_exists( $username ) {}

Checks whether the given username exists.

Parameters

  • string $username: Username.

Return values

returns:The user’s ID on success, and null on failure.

Source code

function username_exists( $username ) {

	if ( $user = get_user_by('login', $username ) ) {

		return $user->ID;

	} else {

		return null;

	}

}

10500

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