maxdb_real_escape

Manual de PHP
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Description

Procedural style:

string maxdb_real_escape_string ( resource link, string escapestr )

Object oriented style (method):

class maxdb {

string real_escape_sring ( string escapestr )

}

This function is used to create a legal SQL string that you can use in a SQL statement. The string escapestr is encoded to an escaped SQL string, taking into account the current character set of the connection.

Characters encoded are ', ".

Example

Ejemplo 1. Object oriented style


<?php
$maxdb = new maxdb("localhost", "MONA", "RED", "DEMODB");

/* check connection */
if (maxdb_connect_errno()) {
   printf("Connect failed: %s\n", maxdb_connect_error());
   exit();
}

$maxdb->query("CREATE TABLE temp.mycity LIKE hotel.city");

$city = "'s Hertogenbosch";

/* this query will fail, cause we didn't escape $city */
if (!$maxdb->query("INSERT into temp.mycity VALUES ('11111','$city','NY')")) {
   printf("Error: %s\n", $maxdb->sqlstate);
}

$city = $maxdb->real_escape_string($city);

/* this query with escaped $city will work */
if ($maxdb->query("INSERT into temp.mycity VALUES ('22222','$city','NY')")) {
   printf("%d Row inserted.\n", $maxdb->affected_rows);
} 

$maxdb->close();
?>

Ejemplo 2. Procedural style


<?php
$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");

/* check connection */
if (maxdb_connect_errno()) {
   printf("Connect failed: %s\n", maxdb_connect_error());
   exit();
}

maxdb_query($link, "CREATE TABLE temp.mycity LIKE hotel.city");

$city = "'s Hertogenbosch";

/* this query will fail, cause we didn't escape $city */
if (!maxdb_query($link, "INSERT into temp.mycity VALUES ('11111','$city','NY')")) {
   printf("Error: %s\n", maxdb_sqlstate($link));
}

$city = maxdb_real_escape_string($link, $city);

/* this query with escaped $city will work */
if (maxdb_query($link, "INSERT into temp.mycity VALUES ('22222','$city','NY')")) {
   printf("%d Row inserted.\n", maxdb_affected_rows($link));
} 

maxdb_close($link);
?>

The above examples would produce the following output:

Warning: maxdb_query(): -5016 POS(43) Missing delimiter: ) <...>
Error: 42000
1 Row inserted.

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maxdb_real_escape_string

Description

Return values

See also

Example