A simple PHP implementation of MySQL data Browser _php instance

This program can be used to browse the data in MySQL, you can do a little modification can make a good MySQL browser.
*/
/*
? cmd=db
? cmd=table&db={}
? cmd=record&db={}&table={}
*/
$host = ' localhost ';
$user = ' Test ';
$password = ';
if (!isset ($cmd)) $cmd = ' db ';
Switch ($cmd) {
Case ' db ':
Break
Case ' table ':
Break
Case ' record ':
Break
Default
$cmd = ' db ';
Break
}
$con = @mysql_connect ($host, $user, $password) or Die (' Cannot connect '. $host);
Switch ($cmd) {
Case ' db ':
$dbs = Mysql_list_dbs ($con) or Die (' Mysql_list_dbs error: '. $php _errmsg);
echo ' databases on '. $host. ':<br> '. chr (13);
$num _rows = mysql_num_rows ($dbs);
for ($i =0; $i < $num _rows; $i + +) {
$db = Mysql_tablename ($dbs, $i);
Echo ' <a href= '. $PHP _self. Cmd=table&db= '.
UrlEncode ($db). ' " > '. $db. ' </a><br> '. chr (13);
}
Mysql_free_result ($dbs);
Break
Case ' table ':
$tables = @mysql_list_tables ($db, $con) or Die (' Mysql_list_tables error: '.
$php _errmsg);
echo ' tables on '. $db. ' $host. ':<br> '. chr (13);
$num _rows = mysql_num_rows ($tables);
for ($i =0; $i < $num _rows; $i + +) {
$table = Mysql_tablename ($tables, $i);
Echo ' <a href= '. $PHP _self. Cmd=record&db= '.
UrlEncode ($db). ' &table= '. UrlEncode ($table). ' " > '. $table. ' </a><br> '.
Chr (13);
}
Mysql_free_result ($tables);
Echo ' Break
Case ' record ':
$records = Mysql_db_query ($db, ' select * from '. $table, $con) or
Die (' Mysql_db_query error: '. $php _errmsg);
Echo ' Records on '. $table. ':<br> '. chr (13);
Echo ' <table border= "1" cellspacing= "0" cellpadding= "0" > "Chr (13);
Echo ' <tr> '. chr (13);
$num _fields = Mysql_num_fields ($records);
for ($i =0; $i < $num _fields; $i + +)
Echo ' <th> '. Mysql_field_name ($records, $i). ' </th> '. chr (13);
Echo ' </tr> '. chr (13);
while ($row =mysql_fetch_row ($records)) {
Echo ' <tr> '. chr (13);
for ($i =0; $i < $num _fields; $i + +)
Echo ' <td> '. $row [$i]. ' </td> '. chr (13);
Echo ' </tr> '. chr (13);
}
Echo ' </table> '. chr (13);
Mysql_free_result ($records);
Echo ' </a> '. chr (13);
Break
}
Mysql_close ($con) or Die (' disconnected from '. $host. ');
?>