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PHP列出MySQL中所有数据库的方法

本文实例讲述了PHP列出MySQL中所有数据库的方法 。分享给大家供大家参考 。具体如下：

PHP代码如下：

<?php
define( NL, "\n" );
define( TB,   );
// connecting to MySQL.
$conn = @mysql_connect( localhost, username, password )
    or die( mysql_errno().: .mysql_error().NL );
// attempt to get a list of MySQL databases
// already set up in my account. This is done
// using the PHP function: mysql_list_dbs()
$result = mysql_list_dbs( $conn );
// Output the list
echo <ul class="projects">.NL;
 ///* USING: mysql_fetch_object()
 // ---------------------------
 while( $row = mysql_fetch_object( $result ) ):
  echo TB.<li>.$row->Database.</li>.NL;
 endwhile;
 //*/
 /* USING: mysql_fetch_row()
 // ------------------------
 while( $row = mysql_fetch_row( $result ) ):
  echo TB.<li>.$row[0].</li>.NL;
 endwhile;
 //*/
 /* USING: mysql_fetch_assoc()
 // --------------------------
 while( $row = mysql_fetch_assoc( $result ) ):
  echo TB.<li>.$row[Database].</li>.NL;
 endwhile;
 //*/
echo </ul>.NL;
// Free resources / close MySQL Connection
mysql_free_result( $result );
mysql_close( $conn );  
?>

希望本文所述对大家的php程序设计有所帮助 。