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PHP mysql_list_dbs

PHP original manual for mysql_list_dbs [ show | php.net ]

mysql_list_dbs

(PHP 4, PHP 5)

mysql_list_dbs — List databases available on a MySQL server

Warning

This function was deprecated in PHP 5.4.0, and it and the entire original MySQL extension was removed in PHP 7.0.0. Instead, use either the actively developed MySQLi or PDO_MySQL extensions. See also the MySQL: choosing an API guide and its related FAQ entry for additional 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.

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() had been 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 #1 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:

database1
database2
database3

Notes

Note:

For backward compatibility, the following deprecated alias may be used: mysql_listdbs()

See Also