(PHP 8 >= 8.4.0)
pg_result_memory_size — Returns the amount of memory allocated for a query result
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().
result
An PgSql\Result instance, returned by pg_query(), pg_query_params() or pg_execute()(among others).
Returns the memory amount in bytes.
Ejemplo #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);
?>
El resultado del ejemplo sería algo similar a:
int(3288)