pg_select
(PHP 4 >= 4.3.0, PHP 5)
pg_select — Select records
Description
pg_select() selects records specified by assoc_array which has field=>value. For a successful query, it returns an array containing all records and fields that match the condition specified by assoc_array.
If options is specified, pg_convert() is applied to assoc_array with the specified flags.
Den här funktionen är EXPERIMENTELL. Dess beteende, namnet på den, och allt annat dokumenterat om den här funktionen kan ändras i framtida utgåvar av PHP. Använd den på egen risk.
Parameters
- connection
-
PostgreSQL database connection resource.
- table_name
-
Name of the table from which to select rows.
- assoc_array
-
An array whose keys are field names in the table table_name , and whose values are the conditions that a row must meet to be retrieved.
- options
-
Any number of PGSQL_CONV_FORCE_NULL, PGSQL_DML_NO_CONV, PGSQL_DML_EXEC, PGSQL_DML_ASYNC or PGSQL_DML_STRING combined. If PGSQL_DML_STRING is part of the options then query string is returned.
Return Values
Returnerar TRUE vid framgång eller FALSE vid fel. Returns string if PGSQL_DML_STRING is passed via options .
Exempel
Example#1 pg_select() example
<?php
$db = pg_connect('dbname=foo');
// This is safe, since $_POST is converted automatically
$rec = pg_select($db, 'post_log', $_POST);
if ($rec) {
echo "Records selected\n";
var_dump($rec);
} else {
echo "User must have sent wrong inputs\n";
}
?>