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2.5.32. `mysql_list_dbs`

mysql_list_dbs
List databases available on a MySQL server

Warning

This extension is deprecated as of PHP 5.5.0, and will be removed in the future. Instead, the MySQLi or PDO_MySQL extension should be used. See also MySQL: choosing an API guide and related FAQ for more information. Alternatives to this function include:

SQL Query: SHOW DATABASES

Description

resource mysql_list_dbs(resource link_identifier= =NULL);

Returns a result pointer containing the databases available from the current mysql daemon.

Warning

This function has been DEPRECATED as of PHP 5.4.0. Relying on this function is highly discouraged.

Parameters

link_identifier: The MySQL connection. If the link identifier is not specified, the last link opened by mysql_connect is assumed. If no such link is found, it will try to create one as if mysql_connect was called with no arguments. If no connection is found or established, an E_WARNING level error is generated.

Return Values

Returns a result pointer resource on success, or FALSE on failure. Use the mysql_tablename function to traverse this result pointer, or any function for result tables, such as mysql_fetch_array.

Examples

Example 2.39. mysql_list_dbs example

<?php
// Usage without mysql_list_dbs()
$link = mysql_connect('localhost', 'mysql_user', 'mysql_password');
$res = mysql_query("SHOW DATABASES");
while ($row = mysql_fetch_assoc($res)) {
    echo $row['Database'] . "\n";
}
// Deprecated as of PHP 5.4.0
$link = mysql_connect('localhost', 'mysql_user', 'mysql_password');
$db_list = mysql_list_dbs($link);
while ($row = mysql_fetch_object($db_list)) {
     echo $row->Database . "\n";
}
?>

The above example will output something similar to: