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<pg_field_type_oidpg_free_result>
^PostgreSQL FunctionsLast updated: Mon, 26 Oct 2026

pg_flush

(PHP 5 >= 5.6.0, PHP 7, PHP 8)

pg_flush — Flush outbound query data on the connection

Description

function pg_flush(PgSql\Connection $connection): int|bool

pg_flush() flushes any outbound query data waiting to be sent on the connection.

Parameters

connection

An PgSql\Connection instance.

Return Values

Returns true if the flush was successful or no data was waiting to be flushed, 0 if part of the pending data was flushed but more remains or false on failure.

Changelog

Version Description
8.1.0 The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.

<pg_field_type_oidpg_free_result>
^PostgreSQL FunctionsLast updated: Mon, 26 Oct 2026