PHP - Manual: pg_send_query_params
2024-11-15
pg_send_query_params
(PHP 5 >= 5.1.0, PHP 7, PHP 8)
pg_send_query_params — Submits a command and separate parameters to the server without waiting for the result(s)
说明
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.
参数
-
connection -
An PgSql\Connection instance.
-
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
Returns true on success, false or 0 on failure. Use pg_get_result()
to determine the query result.
更新日志
| 版本 | 说明 |
|---|---|
| 8.1.0 |
现在 connection 参数接受 PgSql\Connection
实例，之前接受 资源(resource)。
|
范例
示例 #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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官方地址：https://www.php.net/manual/en/function.pg-send-query-params.php
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