## 例

`

     mixed pg_update ( resource $connection , string $table_name , array $data , array $condition [, int $options = PGSQL_DML_EXEC ] )

`

## 説明

pg_update() updates records that matches condition with data. If options is specified, pg_convert() is applied to data with specified options. Warning: This function is EXPERIMENTAL. The behaviour of this function, its name, and surrounding documentation may change without notice in a future release of PHP. This function should be used at your own risk.

## 戻り値

Returns TRUE on success or FALSE on failure. Returns string if PGSQL_DML_STRING is passed via options.