pg_send_query_params()

(PHP 5 >= 5.1.0, PHP 7)

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

说明

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

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$querystring. 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.

参数

$connection: PostgreSQL database connection resource.
$query: The parameterized 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.

返回值

成功时返回TRUE，或者在失败时返回FALSE。

Use pg_get_result() to determine the query result.

范例

Example #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}'");
?>

参见

pg_send_query()发送异步查询