WP_Roles::is_role( string $role )

Whether role name is currently in the list of available roles.

Parameters

$role

(Required) Role name to look up.

Return

(bool)

Source

File: wp-includes/class-wp-roles.php 

	public function is_role( $role ) {
		return isset( $this->role_names[$role] );
	}

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Changelog

Changelog
Version Description
WP-2.0.0 Introduced.