wpdb::_real_escape( string $data ): string

Source

public function _real_escape( $data ) {	if ( ! is_scalar( $data ) ) {	return '';	}	if ( $this->dbh ) {	$escaped = mysqli_real_escape_string( $this->dbh, $data );	} else {	$class = get_class( $this );	wp_load_translations_early();	/* translators: %s: Database access abstraction class, usually wpdb or a class extending wpdb. */	_doing_it_wrong( $class, sprintf( __( '%s must set a database connection for use with escaping.' ), $class ), '3.6.0' );	$escaped = addslashes( $data );	}	return $this->add_placeholder_escape( $escaped ); } 

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