}
$this->schema = $schema;
if ( !is_string( $prefix ) ) {
- throw new InvalidArgumentException( 'Prefix must be a string.' );
- } elseif ( $prefix !== '' && substr( $prefix, -1, 1 ) !== '_' ) {
- throw new InvalidArgumentException( 'A non-empty prefix must end with "_".' );
+ throw new InvalidArgumentException( "Prefix must be a string." );
}
$this->prefix = $prefix;
}