maxdb_real_connectmaxdb_real_escape_string
maxdb->real_escape_string
(PECL maxdb:1.0-7.6.00.38)
maxdb_real_escape_string -- maxdb->real_escape_string — Escapes special characters in a string for use in a SQL statement, taking into account the current charset of the connection
Descrierea
Procedural style:
string maxdb_real_escape_string
( resource $link
, string $escapestr
)
Object oriented style (method):
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 ', ".
Valorile întroarse
Returns an escaped string.
Exemple
Example #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();
?>
Example #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);
?>
Exemplul de mai sus va afişa ceva similar cu:
Warning: maxdb_query(): -5016 POS(43) Missing delimiter: ) <...> Error: 42000 1 Row inserted.
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