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PHP Manual :: pg_free_result

pg_flush || pg_get_notify || PostgreSQL Functions || PHP Manual

(PHP 4 >= 4.2.0, PHP 5, PHP 7)

pg_free_resultFree result memory


bool pg_free_result ( resource $result )

pg_free_result() frees the memory and data associated with the specified PostgreSQL query result resource.

This function need only be called if memory consumption during script execution is a problem. Otherwise, all result memory will be automatically freed when the script ends.


This function used to be called pg_freeresult().



PostgreSQL query result resource, returned by pg_query(), pg_query_params() or pg_execute() (among others).

Return Values

Returns TRUE on success or FALSE on failure.


Example #1 pg_free_result() example

pg_connect("dbname=users user=me") || die();

$res pg_query($db"SELECT 1 UNION ALL SELECT 2");

$val pg_fetch_result($res10);

"First field in the second row is: "$val"\n";


The above example will output:

First field in the second row is: 2

See Also

  • pg_query() - Execute a query
  • pg_query_params() - Submits a command to the server and waits for the result, with the ability to pass parameters separately from the SQL command text.
  • pg_execute() - Sends a request to execute a prepared statement with given parameters, and waits for the result.

pg_flush || pg_get_notify || PostgreSQL Functions || PHP Manual
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