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pg_update
(PHP 4 >= 4.3.0, PHP 5)
pg_update — Update table
Description
pg_update() updates records that matches condition with data. If options is specified, pg_convert() is applied to data with specified options.
This function is EXPERIMENTAL. The behaviour of this function, the its name, and surrounding documentation may change without notice in a future release of PHP. This function should be used at your own risk.
Parameters
- connection
-
PostgreSQL database connection resource.
- table_name
-
Name of the table into which to update rows.
- data
-
An array whose keys are field names in the table table_name , and whose values are what matched rows are to be updated to.
- condition
-
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 updated.
- options
-
Any number of PGSQL_CONV_OPTS, PGSQL_DML_NO_CONV, PGSQL_DML_EXEC or PGSQL_DML_STRING combined. If PGSQL_DML_STRING is part of the options then query string is returned.
Return Values
Returns TRUE on success or FALSE on failure. Returns string if PGSQL_DML_STRING is passed via options .
Examples
Example #1 pg_update() example
<?php
$db = pg_connect('dbname=foo');
$data = array('field1'=>'AA', 'field2'=>'BB');
// This is safe, since $_POST is converted automatically
$res = pg_update($db, 'post_log', $_POST, $data);
if ($res) {
echo "Data is updated: $res\n";
} else {
echo "User must have sent wrong inputs\n";
}
?>
