8.9.7.7 MysqlndUhConnection::escapeString

Copyright 1997-2018 the PHP Documentation Group.

• MysqlndUhConnection::escapeString

  Escapes special characters in a string for use in an SQL statement, taking into account the current charset of the connection

Description

public string MysqlndUhConnection::escapeString(mysqlnd_connection connection,
                                                string escape_string);

Escapes special characters in a string for use in an SQL statement, taking into account the current charset of the connection.

Parameters

MYSQLND_UH_RES_MYSQLND_NAME

Mysqlnd connection handle. Do not modify!

escape_string

The string to be escaped.

Return Values

The escaped string.

Examples

Example 8.347 MysqlndUhConnection::escapeString example

<?php
class proxy extends MysqlndUhConnection {
 public function escapeString($res, $string) {
   printf("%s(%s)\n", __METHOD__, var_export(func_get_args(), true));
   $ret = parent::escapeString($res, $string);
   printf("%s returns %s\n", __METHOD__, var_export($ret, true));
   return $ret;
 }
}
mysqlnd_uh_set_connection_proxy(new proxy());
$mysqli = new mysqli("localhost", "root", "", "test");
$mysqli->set_charset("latin1");
$mysqli->real_escape_string("test0'test");
?>

The above example will output:

proxy::escapeString(array (
  0 => NULL,
  1 => 'test0\'test',
))
proxy::escapeString returns 'test0\\\'test'

See Also

mysqlnd_uh_set_connection_proxy

mysqli_real_escape_string

mysql_real_escape_string