pg_update
(PHP 4 >= 4.3.0, PHP 5)
pg_update — Update table
Description
$connection
, string $table_name
, array $data
, array $condition
[, int $options = PGSQL_DML_EXEC
] )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, 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_EXECorPGSQL_DML_STRINGcombined. IfPGSQL_DML_STRINGis part of theoptionsthen 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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