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Basic usage
All examples in the MaxDB PHP documentation use the HOTELDB demo database from MaxDB. More about this database can be found at » http://maxdb.sap.com/doc/7_7/44/d8c25164bb38d0e10000000a1553f7/content.htm.
To use the examples in the MaxDB PHP documentation, you have to load the tutorial data into your database. Then you have to set maxdb.default_db in php.ini to the database that contains the tutorial data.
This simple example shows how to connect, execute a query, print resulting rows and disconnect from a MaxDB database.
Example #1 MaxDB extension overview example
<?php
$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");
/* check connection */
if (maxdb_connect_errno()) {
printf("Connect failed: %s\n", maxdb_connect_error());
exit();
}
/* Performing SQL query */
$query = "SELECT * FROM hotel.city";
$result = maxdb_query($link, $query) or die("Query failed : " . maxdb_error());
/* Printing results in HTML */
echo "<table>\n";
while ($line = maxdb_fetch_array($result, MAXDB_ASSOC)) {
echo " <tr>\n";
foreach ($line as $col_value) {
echo " <td>$col_value</td>\n";
}
echo " </tr>\n";
}
echo "</table>\n";
/* Free resultset */
maxdb_free_result($result);
/* Closing connection */
maxdb_close($link);
?>
The following example shows how to bind variables to a SELECT INTO statement.
Example #2 Example for use of SELECT INTO statements
<?php
$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");
/* check connection */
if (!$link) {
printf("Connect failed: %s\n", maxdb_connect_error());
exit();
}
/* Performing SQL query */
$stmt = maxdb_prepare ($link, "SELECT percentage INTO ? FROM hotel.countrylanguage where language = ?");
if (!$stmt) {
printf ("Prepare failed: %s\n", maxdb_error($link));
}
$name = "Mbundu";
maxdb_stmt_bind_param($stmt, 'ds', $percentage, $name);
maxdb_stmt_execute($stmt);
printf ("%f\n", $percentage);
maxdb_stmt_close ($stmt);
?>
The following example shows how to use MaxDB database procedures.
Example #3 Example fore using database procedures
<?php
$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");
/* check connection */
if (!$link) {
printf("Connect failed: %s\n", maxdb_connect_error());
exit();
}
maxdb_report (MAXDB_REPORT_OFF);
maxdb_query($link,"DROP DBPROC test_proc");
maxdb_report (MAXDB_REPORT_ERROR);
$query = "create dbproc test_proc (INOUT e_text char(72)) AS select * from SYSDBA.DUAL; fetch into :e_text;";
maxdb_query($link, $query);
/* Performing SQL query */
$stmt = maxdb_prepare ($link, "CALL test_proc (?)");
if (!$stmt) {
printf ("Prepare failed: %s\n", maxdb_error($link));
}
maxdb_stmt_bind_param($stmt, 's', $result);
maxdb_stmt_execute($stmt);
printf ("%s\n", $result);
maxdb_stmt_close ($stmt);
?>
English translation
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Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/php-rf-maxdb.examples-basic.html
The infobrol is a personal site whose content is my sole responsibility. The text is available under CreativeCommons license (BY-NC-SA). More info on the terms of use and the author.
References
These references and links indicate documents consulted during the writing of this page, or which may provide additional information, but the authors of these sources can not be held responsible for the content of this page.
The author This site is solely responsible for the way in which the various concepts, and the freedoms that are taken with the reference works, are presented here. Remember that you must cross multiple source information to reduce the risk of errors.
