(PHP 4 >= 4.2.0, PHP 5, PHP 7)
pg_copy_to — Copy a table to an array
pg_copy_to ( resource $connection , string $table_name [, string $delimiter [, string $null_as ]] ) : array
pg_copy_to() copies a table to an array. It issues COPY TO SQL command internally to retrieve records.
connection
PostgreSQL database connection resource.
table_name
Name of the table from which to copy the data into rows.
delimiter
The token that separates values for each field in each element of rows. Default is TAB.
null_as
How SQL NULL values are represented in the rows. Default is \N ("\\N").
An array with one element for each line of COPY data. It returns false on failure.
Example #1 pg_copy_to() example
<?php
$db = pg_connect("dbname=publisher") or die("Could not connect");
$rows = pg_copy_to($db, $table_name);
pg_query($db, "DELETE FROM $table_name");
pg_copy_from($db, $table_name, $rows);
?>
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https://www.php.net/manual/en/function.pg-copy-to.php