pg_fetch_all_columns(PHP 5 >= 5.1.0RC1) pg_fetch_all_columns -- Fetches all rows in a particular result column as an array说明array pg_fetch_all_columns ( resource result [, int column] )pg_fetch_all_columns() returns an array that contains all rows (records) in a particular column of the result resource.
参数
返回值An array with all values in the result column. FALSE is returned if column is larger than the number of columns in the result, or on any other error. 范例
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