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pg_select
Select records
(PHP 4 >= 4.3.0, PHP 5)
mixed pg_select ( resource connection, string table_name, array assoc_array [, int options] )
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.
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 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_ASYNCorPGSQL_DML_STRINGcombined. IfPGSQL_DML_STRINGis 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 1971. 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";
}
?>
| pg_convert() |