PG_ESCAPE_STRING(3) PG_ESCAPE_STRING(3)
pg_escape_string - Escape a string for query
SYNOPSIS
string pg_escape_string ([resource $connection], string $data)
DESCRIPTION
pg_escape_string(3) escapes a string for querying the database. It returns an escaped string in the PostgreSQL format without quotes.
pg_escape_literal(3) is more preferred way to escape SQL parameters for PostgreSQL. addslashes(3) must not be used with PostgreSQL. If the
type of the column is bytea, pg_escape_bytea(3) must be used instead. pg_escape_identifier(3) must be used to escape identifiers (e.g. ta-
ble names, field names)
Note
This function requires PostgreSQL 7.2 or later.
PARAMETERS
o $connection
- PostgreSQL database connection resource. When $connection is not present, the default connection is used. The default connection
is the last connection made by pg_connect(3) or pg_pconnect(3).
o $data
- A string containing text to be escaped.
RETURN VALUES
A string containing the escaped data.
CHANGELOG
+--------+-------------------+
|Version | |
| | |
| | Description |
| | |
+--------+-------------------+
| 5.2.0 | |
| | |
| | $connection added |
| | |
+--------+-------------------+
EXAMPLES
Example #1
pg_escape_string(3) example
<?php
// Connect to the database
$dbconn = pg_connect('dbname=foo');
// Read in a text file (containing apostrophes and backslashes)
$data = file_get_contents('letter.txt');
// Escape the text data
$escaped = pg_escape_string($data);
// Insert it into the database
pg_query("INSERT INTO correspondence (name, data) VALUES ('My letter', '{$escaped}')");
?>
SEE ALSO
pg_escape_bytea(3).
PHP Documentation Group PG_ESCAPE_STRING(3)