# ingres_escape_string

(PECL ingres >= 2.1.0)

ingres_escape_string — Escape special characters for use in a query

### 说明

ingres_escape_string ( resource `$link` , string `$source_string` ) : string

ingres_escape_string() is used to escape certain characters within a string before it is sent to the database server.

### 参数

`link`

  The connection link identifier

`source_string`

  The source string to be parsed

### 返回值

Returns a string containing the escaped data.

### 范例

Example #1 Escape special characters for use in a query

    <?php
    $link = ingres_connect($database, $user, $password);

    $last_name = "O'Connor";

    $sql = sprintf("select * from user_profile where up_last = '%s'", ingres_escape_string( $link, $last_name));

    $result = ingres_query($link, $sql);

    while ($user = ingres_fetch_object($result))
    {
      echo $user->up_first . '<BR/>';
    }

    ingres_commit($link);

    ingres_close($link);

    ?>

### 参见

- ingres_query() - Send an SQL query to Ingres