PostgreSQL
PHP Manual

pg_send_query_params

(PHP 5 >= 5.1.0)

pg_send_query_params — Submits a command and separate parameters to the server without waiting for the result(s).

Описание

bool pg_send_query_params ( resource $connection , string $query , array $params )

Submits a command and separate parameters to the server without waiting for the result(s).

This is equivalent to pg_send_query() except that query parameters can be specified separately from the query string. The function's parameters are handled identically to pg_query_params(). Like pg_query_params(), it will not work on pre-7.4 PostgreSQL connections, and it allows only one command in the query string.

Список параметров

connection

PostgreSQL database connection resource.

query

The parameterised SQL statement. Must contain only a single statement. (multiple statements separated by semi-colons are not allowed.) If any parameters are used, they are referred to as $1, $2, etc.

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.

Возвращаемые значения

Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.

Use pg_get_result() to determine the query result.

Примеры

Пример #1 Using pg_send_query_params()

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

  // Using parameters.  Note that it is not necessary to quote or escape
  // the parameter.
  pg_send_query_params($dbconn, 'select count(*) from authors where city = $1', array('Perth'));
  
  // Compare against basic pg_send_query usage
  $str = pg_escape_string('Perth');
  pg_send_query($dbconn, "select count(*) from authors where city = '${str}'");
?>

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