# PDO::pgsqlCopyToFile

(PHP 5 >= 5.3.3, PHP 7)

PDO::pgsqlCopyToFile — Copy data from table into file

### Description

public PDO::pgsqlCopyToFile ( string `$table_name` , string `$filename` [, string `$delimiter` = '\t' [, string `$null_as` = "\\\\N" [, string `$fields` ]]] ) : bool

Copies data from table into file specified by `filename` using `delimiter` as fields delimiter and `fields` list

### Parameters

`table_name`

  String containing table name

`filename`

  Filename to export data

`delimiter`

  Delimiter used in file specified by `filename`

`null_as`

  How to interpret null values

`fields`

  List of fields to insert

### Return Values

Returns `TRUE` on success, or `FALSE` on failure.