pg_update (PHP 4 >= 4.3.0, PHP 5) pg_update --
Update table
Descriptionmixed pg_update ( resource connection, string table_name, array data, array condition [, int options] )
pg_update() updates records that matches
condition with data. If
options is specified,
pg_convert() is applied to
data with specified options.
| Warning | This function is
EXPERIMENTAL. The behaviour of this function, the
name of this function, and anything else documented about this
function may change without notice in a future release of PHP.
Use this function 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";
}
?>
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