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pg_send_execute

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

pg_send_executeSends a request to execute a prepared statement with given parameters, without waiting for the result(s)

Descrizione

pg_send_execute(PgSql\Connection $connection, string $statement_name, array $params): int|bool

Sends a request to execute a prepared statement with given parameters, without waiting for the result(s).

This is similar to pg_send_query_params(), but the command to be executed is specified by naming a previously-prepared statement, instead of giving a query string. The function's parameters are handled identically to pg_execute(). Like pg_execute(), it will not work on pre-7.4 versions of PostgreSQL.

Elenco dei parametri

connection

An PgSql\Connection instance.

statement_name

The name of the prepared statement to execute. If "" is specified, then the unnamed statement is executed. The name must have been previously prepared using pg_prepare(), pg_send_prepare() or a PREPARE SQL command.

params

An array of parameter values to substitute for the $1, $2, etc. placeholders in the original prepared query string. The number of elements in the array must match the number of placeholders.

Valori restituiti

Returns true on success, false or 0 on failure. Use pg_get_result() to determine the query result.

Log delle modifiche

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

Esempi

Example #1 Using pg_send_execute()

<?php
$dbconn
= pg_connect("dbname=publisher") or die("Could not connect");

// Prepare a query for execution
if (!pg_connection_busy($dbconn)) {
pg_send_prepare($dbconn, "my_query", 'SELECT * FROM shops WHERE name = $1');
$res1 = pg_get_result($dbconn);
}

// Execute the prepared query. Note that it is not necessary to escape
// the string "Joe's Widgets" in any way
if (!pg_connection_busy($dbconn)) {
pg_send_execute($dbconn, "my_query", array("Joe's Widgets"));
$res2 = pg_get_result($dbconn);
}

// Execute the same prepared query, this time with a different parameter
if (!pg_connection_busy($dbconn)) {
pg_send_execute($dbconn, "my_query", array("Clothes Clothes Clothes"));
$res3 = pg_get_result($dbconn);
}

?>

Vedere anche:

  • pg_prepare() - Submits a request to create a prepared statement with the given parameters, and waits for completion
  • pg_send_prepare() - Sends a request to create a prepared statement with the given parameters, without waiting for completion
  • pg_execute() - Sends a request to execute a prepared statement with given parameters, and waits for the result

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