(PHP 4 >= 4.3.0, PHP 5)
pg_update — Update table
$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.
connectionPostgreSQL database connection resource.
table_nameName 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_FORCE_NULL,
       PGSQL_DML_NO_CONV,
       PGSQL_DML_ESCAPE,
       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. When PGSQL_DML_NO_CONV
       or PGSQL_DML_ESCAPE is set, it does not call pg_convert() internally.
      
   Returns TRUE on success or FALSE on failure.  Returns string if PGSQL_DML_STRING is passed
   via options.
  
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";
  }
?>
| Version | Description | 
|---|---|
| 5.6.0 | No longer experimental. Added PGSQL_DML_ESCAPEconstant,TRUE/FALSEandNULLdata type support. | 
| 5.5.3/5.4.19 | Direct SQL injection to table_nameand Indirect 
        SQL injection to identifiers are fixed. |