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pg_result_memory_size

(PHP 8 >= 8.4.0)

pg_result_memory_sizeReturns the amount of memory allocated for a query result

说明

pg_result_memory_size(PgSql\Result $result): int

Returns the amount of memory, in bytes, allocated to the specified query result PgSql\Result instance. This value is the same amount that would be freed by pg_free_result().

参数

result

PgSql\Result 实例,由 pg_query()pg_query_params() 或者 pg_execute()(等)返回。

返回值

Returns the memory amount in bytes.

示例

示例 #1 pg_result_memory_size() example

<?php
$db
= pg_connect("dbname=users user=me");

$res = pg_query($db, 'SELECT 1');

$size = pg_result_memory_size($res);

var_dump($size);
?>

以上示例的输出类似于:

int(3288)

参见

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