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< ? php
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// WordPress DB Class
// ORIGINAL CODE FROM:
// Justin Vincent (justin@visunet.ie)
// http://php.justinvincent.com
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define ( 'EZSQL_VERSION' , 'WP1.25' );
define ( 'OBJECT' , 'OBJECT' , true );
define ( 'ARRAY_A' , 'ARRAY_A' , false );
define ( 'ARRAY_N' , 'ARRAY_N' , false );
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if ( ! defined ( 'SAVEQUERIES' ))
define ( 'SAVEQUERIES' , false );
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class wpdb {
var $show_errors = true ;
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var $num_queries = 0 ;
var $last_query ;
var $col_info ;
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var $queries ;
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// Our tables
var $posts ;
var $users ;
var $categories ;
var $post2cat ;
var $comments ;
var $links ;
var $linkcategories ;
var $options ;
var $optiontypes ;
var $optionvalues ;
var $optiongroups ;
var $optiongroup_options ;
var $postmeta ;
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// ==================================================================
// DB Constructor - connects to the server and selects a database
function wpdb ( $dbuser , $dbpassword , $dbname , $dbhost ) {
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$this -> dbh = @ mysql_connect ( $dbhost , $dbuser , $dbpassword );
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if ( ! $this -> dbh ) {
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$this -> bail ( "
< h1 > Error establishing a database connection </ h1 >
< p > This either means that the username and password information in your < code > wp - config . php </ code > file is incorrect or we can ' t contact the database server at < code > $dbhost </ code >.</ p >
< ul >
< li > Are you sure you have the correct username and password ? </ li >
< li > Are you sure that you have typed the correct hostname ? </ li >
< li > Are you sure that the database server is running ? </ li >
</ ul >
< p > If you 're unsure what these terms mean you should probably contact your host. If you still need help you can always visit the <a href=' http :// wordpress . org / support / ' > WordPress Support Forums </ a >.</ p >
" );
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}
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$this -> select ( $dbname );
}
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// ==================================================================
// Select a DB (if another one needs to be selected)
function select ( $db ) {
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if ( !@ mysql_select_db ( $db , $this -> dbh )) {
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$this -> bail ( "
< h1 > Can & #8217;t select database</h1>
< p > We were able to connect to the database server ( which means your username and password is okay ) but not able to select the < code > $db </ code > database .</ p >
< ul >
< li > Are you sure it exists ? </ li >
< li > On some systems the name of your database is prefixed with your username , so it would be like username_wordpress . Could that be the problem ? </ li >
</ ul >
< p > If you continue to have connection problems you should contact your host . If all else fails you may find help at the < a href = 'http://wordpress.org/support/' > WordPress Support Forums </ a >.</ p > " );
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}
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}
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// ====================================================================
// Format a string correctly for safe insert under all PHP conditions
function escape ( $str ) {
return mysql_escape_string ( stripslashes ( $str ));
}
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// ==================================================================
// Print SQL/DB error.
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function print_error ( $str = '' ) {
global $EZSQL_ERROR ;
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if ( ! $str ) $str = mysql_error ();
$EZSQL_ERROR [] =
array ( 'query' => $this -> last_query , 'error_str' => $str );
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// Is error output turned on or not..
if ( $this -> show_errors ) {
// If there is an error then take note of it
print " <div id='error'>
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< p >< strong > Database error :</ strong > [ $str ] < br />
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< code > $this -> last_query </ code ></ p >
</ div > " ;
} else {
return false ;
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}
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}
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// ==================================================================
// Turn error handling on or off..
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function show_errors () {
$this -> show_errors = true ;
}
function hide_errors () {
$this -> show_errors = false ;
}
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// ==================================================================
// Kill cached query results
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function flush () {
$this -> last_result = null ;
$this -> col_info = null ;
$this -> last_query = null ;
}
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// ==================================================================
// Basic Query - see docs for more detail
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function query ( $query ) {
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// initialise return
$return_val = 0 ;
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$this -> flush ();
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// Log how the function was called
$this -> func_call = " \$ db->query( \" $query\ " ) " ;
// Keep track of the last query for debug..
$this -> last_query = $query ;
// Perform the query via std mysql_query function..
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if ( SAVEQUERIES )
$this -> timer_start ();
$this -> result = @ mysql_query ( $query , $this -> dbh );
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++ $this -> num_queries ;
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if ( SAVEQUERIES )
$this -> queries [] = array ( $query , $this -> timer_stop () );
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// If there is an error then take note of it..
if ( mysql_error () ) {
$this -> print_error ();
return false ;
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}
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if ( preg_match ( " /^ \\ s*(insert|delete|update|replace) /i " , $query ) ) {
$this -> rows_affected = mysql_affected_rows ();
// Take note of the insert_id
if ( preg_match ( " /^ \\ s*(insert|replace) /i " , $query ) ) {
$this -> insert_id = mysql_insert_id ( $this -> dbh );
}
// Return number of rows affected
$return_val = $this -> rows_affected ;
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} else {
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$i = 0 ;
while ( $i < @ mysql_num_fields ( $this -> result )) {
$this -> col_info [ $i ] = @ mysql_fetch_field ( $this -> result );
$i ++ ;
}
$num_rows = 0 ;
while ( $row = @ mysql_fetch_object ( $this -> result ) ) {
$this -> last_result [ $num_rows ] = $row ;
$num_rows ++ ;
}
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@ mysql_free_result ( $this -> result );
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// Log number of rows the query returned
$this -> num_rows = $num_rows ;
// Return number of rows selected
$return_val = $this -> num_rows ;
}
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return $return_val ;
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}
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// ==================================================================
// Get one variable from the DB - see docs for more detail
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function get_var ( $query = null , $x = 0 , $y = 0 ) {
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$this -> func_call = " \$ db->get_var( \" $query\ " , $x , $y ) " ;
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if ( $query )
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$this -> query ( $query );
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// Extract var out of cached results based x,y vals
if ( $this -> last_result [ $y ] ) {
$values = array_values ( get_object_vars ( $this -> last_result [ $y ]));
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}
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// If there is a value return it else return null
return ( isset ( $values [ $x ]) && $values [ $x ] !== '' ) ? $values [ $x ] : null ;
}
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// ==================================================================
// Get one row from the DB - see docs for more detail
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function get_row ( $query = null , $output = OBJECT , $y = 0 ) {
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$this -> func_call = " \$ db->get_row( \" $query\ " , $output , $y ) " ;
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if ( $query )
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$this -> query ( $query );
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if ( $output == OBJECT ) {
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return $this -> last_result [ $y ] ? $this -> last_result [ $y ] : null ;
} elseif ( $output == ARRAY_A ) {
return $this -> last_result [ $y ] ? get_object_vars ( $this -> last_result [ $y ]) : null ;
} elseif ( $output == ARRAY_N ) {
return $this -> last_result [ $y ] ? array_values ( get_object_vars ( $this -> last_result [ $y ])) : null ;
} else {
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$this -> print_error ( " \$ db->get_row(string query, output type, int offset) -- Output type must be one of: OBJECT, ARRAY_A, ARRAY_N " );
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}
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}
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// ==================================================================
// Function to get 1 column from the cached result set based in X index
// se docs for usage and info
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function get_col ( $query = null , $x = 0 ) {
if ( $query )
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$this -> query ( $query );
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// Extract the column values
for ( $i = 0 ; $i < count ( $this -> last_result ); $i ++ ) {
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$new_array [ $i ] = $this -> get_var ( null , $x , $i );
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}
return $new_array ;
}
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// ==================================================================
// Return the the query as a result set - see docs for more details
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function get_results ( $query = null , $output = OBJECT ) {
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$this -> func_call = " \$ db->get_results( \" $query\ " , $output ) " ;
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if ( $query )
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$this -> query ( $query );
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// Send back array of objects. Each row is an object
if ( $output == OBJECT ) {
return $this -> last_result ;
} elseif ( $output == ARRAY_A || $output == ARRAY_N ) {
if ( $this -> last_result ) {
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$i = 0 ;
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foreach ( $this -> last_result as $row ) {
$new_array [ $i ] = ( array ) $row ;
if ( $output == ARRAY_N ) {
$new_array [ $i ] = array_values ( $new_array [ $i ]);
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}
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$i ++ ;
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}
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return $new_array ;
} else {
return null ;
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}
}
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}
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// ==================================================================
// Function to get column meta data info pertaining to the last query
// see docs for more info and usage
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function get_col_info ( $info_type = 'name' , $col_offset = - 1 ) {
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if ( $this -> col_info ) {
if ( $col_offset == - 1 ) {
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$i = 0 ;
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foreach ( $this -> col_info as $col ) {
$new_array [ $i ] = $col -> { $info_type };
$i ++ ;
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}
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return $new_array ;
} else {
return $this -> col_info [ $col_offset ] -> { $info_type };
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}
}
}
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function timer_start () {
$mtime = microtime ();
$mtime = explode ( ' ' , $mtime );
$this -> time_start = $mtime [ 1 ] + $mtime [ 0 ];
return true ;
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}
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function timer_stop ( $precision = 3 ) {
$mtime = microtime ();
$mtime = explode ( ' ' , $mtime );
$time_end = $mtime [ 1 ] + $mtime [ 0 ];
$time_total = $time_end - $this -> time_start ;
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return $time_total ;
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}
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function bail ( $message ) { // Just wraps errors in a nice header and footer
if ( ! $this -> show_errors )
return false ;
echo <<< HEAD
<! DOCTYPE html PUBLIC " -//W3C//DTD XHTML 1.0 Transitional//EN " " http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd " >
< html xmlns = " http://www.w3.org/1999/xhtml " >
< head >
< title > WordPress & rsaquo ; Error </ title >
< meta http - equiv = " Content-Type " content = " text/html; charset=utf-8 " />
< style media = " screen " type = " text/css " >
<!--
html {
background : #eee;
}
body {
background : #fff;
color : #000;
font - family : Georgia , " Times New Roman " , Times , serif ;
margin - left : 25 % ;
margin - right : 25 % ;
padding : . 2 em 2 em ;
}
h1 {
color : #006;
font - size : 18 px ;
font - weight : lighter ;
}
h2 {
font - size : 16 px ;
}
p , li , dt {
line - height : 140 % ;
padding - bottom : 2 px ;
}
ul , ol {
padding : 5 px 5 px 5 px 20 px ;
}
#logo {
margin - bottom : 2 em ;
}
-->
</ style >
</ head >
< body >
< h1 id = " logo " >< img alt = " WordPress " src = " http://static.wordpress.org/logo.png " /></ h1 >
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HEAD ;
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echo $message ;
echo " </body></html> " ;
die ();
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}
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}
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$wpdb = new wpdb ( DB_USER , DB_PASSWORD , DB_NAME , DB_HOST );
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?>