389 lines
11 KiB
PHP
389 lines
11 KiB
PHP
<?php
|
|
// WordPress DB Class
|
|
|
|
// ORIGINAL CODE FROM:
|
|
// Justin Vincent (justin@visunet.ie)
|
|
// http://php.justinvincent.com
|
|
|
|
define('EZSQL_VERSION', 'WP1.25');
|
|
define('OBJECT', 'OBJECT', true);
|
|
define('ARRAY_A', 'ARRAY_A', false);
|
|
define('ARRAY_N', 'ARRAY_N', false);
|
|
|
|
if (!defined('SAVEQUERIES'))
|
|
define('SAVEQUERIES', false);
|
|
|
|
class wpdb {
|
|
|
|
var $show_errors = true;
|
|
var $num_queries = 0;
|
|
var $last_query;
|
|
var $col_info;
|
|
var $queries;
|
|
|
|
// 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;
|
|
|
|
/**
|
|
* Connects to the database server and selects a database
|
|
* @param string $dbuser
|
|
* @param string $dbpassword
|
|
* @param string $dbname
|
|
* @param string $dbhost
|
|
*/
|
|
function wpdb($dbuser, $dbpassword, $dbname, $dbhost) {
|
|
return $this->__construct($dbuser, $dbpassword, $dbname, $dbhost);
|
|
}
|
|
|
|
function __construct($dbuser, $dbpassword, $dbname, $dbhost) {
|
|
register_shutdown_function(array(&$this, "__destruct"));
|
|
|
|
$this->dbh = @mysql_connect($dbhost, $dbuser, $dbpassword);
|
|
if (!$this->dbh) {
|
|
$this->bail("
|
|
<h1>Error establishing a database connection</h1>
|
|
<p>This either means that the username and password information in your <code>wp-config.php</code> file is incorrect or we can't contact the database server at <code>$dbhost</code>. This could mean your host's database server is down.</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>
|
|
");
|
|
}
|
|
|
|
$this->select($dbname);
|
|
}
|
|
|
|
function __destruct() {
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Selects a database using the current class's $this->dbh
|
|
* @param string $db name
|
|
*/
|
|
function select($db) {
|
|
if (!@mysql_select_db($db, $this->dbh)) {
|
|
$this->bail("
|
|
<h1>Can’t select database</h1>
|
|
<p>We were able to connect to the database server (which means your username and password is okay) but not able to select the <code>$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 don't know how to setup a database you should <strong>contact your host</strong>. If all else fails you may find help at the <a href='http://wordpress.org/support/'>WordPress Support Forums</a>.</p>");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Escapes content for insertion into the database, for security
|
|
*
|
|
* @param string $string
|
|
* @return string query safe string
|
|
*/
|
|
function escape($string) {
|
|
return addslashes( $string ); // Disable rest for now, causing problems
|
|
if( !$this->dbh || version_compare( phpversion(), '4.3.0' ) == '-1' )
|
|
return mysql_escape_string( $string );
|
|
else
|
|
return mysql_real_escape_string( $string, $this->dbh );
|
|
}
|
|
|
|
// ==================================================================
|
|
// Print SQL/DB error.
|
|
|
|
function print_error($str = '') {
|
|
global $EZSQL_ERROR;
|
|
if (!$str) $str = mysql_error();
|
|
$EZSQL_ERROR[] =
|
|
array ('query' => $this->last_query, 'error_str' => $str);
|
|
|
|
$str = htmlspecialchars($str, ENT_QUOTES);
|
|
$query = htmlspecialchars($this->last_query, ENT_QUOTES);
|
|
// Is error output turned on or not..
|
|
if ( $this->show_errors ) {
|
|
// If there is an error then take note of it
|
|
print "<div id='error'>
|
|
<p class='wpdberror'><strong>WordPress database error:</strong> [$str]<br />
|
|
<code>$query</code></p>
|
|
</div>";
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// ==================================================================
|
|
// Turn error handling on or off..
|
|
|
|
function show_errors() {
|
|
$this->show_errors = true;
|
|
}
|
|
|
|
function hide_errors() {
|
|
$this->show_errors = false;
|
|
}
|
|
|
|
// ==================================================================
|
|
// Kill cached query results
|
|
|
|
function flush() {
|
|
$this->last_result = array();
|
|
$this->col_info = null;
|
|
$this->last_query = null;
|
|
}
|
|
|
|
// ==================================================================
|
|
// Basic Query - see docs for more detail
|
|
|
|
function query($query) {
|
|
// filter the query, if filters are available
|
|
// NOTE: some queries are made before the plugins have been loaded, and thus cannot be filtered with this method
|
|
if ( function_exists('apply_filters') )
|
|
$query = apply_filters('query', $query);
|
|
|
|
// initialise return
|
|
$return_val = 0;
|
|
$this->flush();
|
|
|
|
// 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..
|
|
if (SAVEQUERIES)
|
|
$this->timer_start();
|
|
|
|
$this->result = @mysql_query($query, $this->dbh);
|
|
++$this->num_queries;
|
|
|
|
if (SAVEQUERIES)
|
|
$this->queries[] = array( $query, $this->timer_stop() );
|
|
|
|
// If there is an error then take note of it..
|
|
if ( mysql_error() ) {
|
|
$this->print_error();
|
|
return false;
|
|
}
|
|
|
|
if ( preg_match("/^\\s*(insert|delete|update|replace) /i",$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;
|
|
} else {
|
|
$i = 0;
|
|
while ($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;
|
|
$num_rows++;
|
|
}
|
|
|
|
@mysql_free_result($this->result);
|
|
|
|
// Log number of rows the query returned
|
|
$this->num_rows = $num_rows;
|
|
|
|
// Return number of rows selected
|
|
$return_val = $this->num_rows;
|
|
}
|
|
|
|
return $return_val;
|
|
}
|
|
|
|
/**
|
|
* Get one variable from the database
|
|
* @param string $query (can be null as well, for caching, see codex)
|
|
* @param int $x = 0 row num to return
|
|
* @param int $y = 0 col num to return
|
|
* @return mixed results
|
|
*/
|
|
function get_var($query=null, $x = 0, $y = 0) {
|
|
$this->func_call = "\$db->get_var(\"$query\",$x,$y)";
|
|
if ( $query )
|
|
$this->query($query);
|
|
|
|
// Extract var out of cached results based x,y vals
|
|
if ( $this->last_result[$y] ) {
|
|
$values = array_values(get_object_vars($this->last_result[$y]));
|
|
}
|
|
|
|
// If there is a value return it else return null
|
|
return (isset($values[$x]) && $values[$x]!=='') ? $values[$x] : null;
|
|
}
|
|
|
|
/**
|
|
* Get one row from the database
|
|
* @param string $query
|
|
* @param string $output ARRAY_A | ARRAY_N | OBJECT
|
|
* @param int $y row num to return
|
|
* @return mixed results
|
|
*/
|
|
function get_row($query = null, $output = OBJECT, $y = 0) {
|
|
$this->func_call = "\$db->get_row(\"$query\",$output,$y)";
|
|
if ( $query )
|
|
$this->query($query);
|
|
|
|
if ( !isset($this->last_result[$y]) )
|
|
return null;
|
|
|
|
if ( $output == OBJECT ) {
|
|
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 {
|
|
$this->print_error(" \$db->get_row(string query, output type, int offset) -- Output type must be one of: OBJECT, ARRAY_A, ARRAY_N");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets one column from the database
|
|
* @param string $query (can be null as well, for caching, see codex)
|
|
* @param int $x col num to return
|
|
* @return array results
|
|
*/
|
|
function get_col($query = null , $x = 0) {
|
|
if ( $query )
|
|
$this->query($query);
|
|
|
|
// Extract the column values
|
|
for ( $i=0; $i < count($this->last_result); $i++ ) {
|
|
$new_array[$i] = $this->get_var(null, $x, $i);
|
|
}
|
|
return $new_array;
|
|
}
|
|
|
|
/**
|
|
* Return an entire result set from the database
|
|
* @param string $query (can also be null to pull from the cache)
|
|
* @param string $output ARRAY_A | ARRAY_N | OBJECT
|
|
* @return mixed results
|
|
*/
|
|
function get_results($query = null, $output = OBJECT) {
|
|
$this->func_call = "\$db->get_results(\"$query\", $output)";
|
|
|
|
if ( $query )
|
|
$this->query($query);
|
|
|
|
// 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 ) {
|
|
$i = 0;
|
|
foreach( $this->last_result as $row ) {
|
|
$new_array[$i] = (array) $row;
|
|
if ( $output == ARRAY_N ) {
|
|
$new_array[$i] = array_values($new_array[$i]);
|
|
}
|
|
$i++;
|
|
}
|
|
return $new_array;
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Grabs column metadata from the last query
|
|
* @param string $info_type one of name, table, def, max_length, not_null, primary_key, multiple_key, unique_key, numeric, blob, type, unsigned, zerofill
|
|
* @param int $col_offset 0: col name. 1: which table the col's in. 2: col's max length. 3: if the col is numeric. 4: col's type
|
|
* @return mixed results
|
|
*/
|
|
function get_col_info($info_type = 'name', $col_offset = -1) {
|
|
if ( $this->col_info ) {
|
|
if ( $col_offset == -1 ) {
|
|
$i = 0;
|
|
foreach($this->col_info as $col ) {
|
|
$new_array[$i] = $col->{$info_type};
|
|
$i++;
|
|
}
|
|
return $new_array;
|
|
} else {
|
|
return $this->col_info[$col_offset]->{$info_type};
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Starts the timer, for debugging purposes
|
|
*/
|
|
function timer_start() {
|
|
$mtime = microtime();
|
|
$mtime = explode(' ', $mtime);
|
|
$this->time_start = $mtime[1] + $mtime[0];
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Stops the debugging timer
|
|
* @return int total time spent on the query, in milliseconds
|
|
*/
|
|
function timer_stop() {
|
|
$mtime = microtime();
|
|
$mtime = explode(' ', $mtime);
|
|
$time_end = $mtime[1] + $mtime[0];
|
|
$time_total = $time_end - $this->time_start;
|
|
return $time_total;
|
|
}
|
|
|
|
/**
|
|
* Wraps fatal errors in a nice header and footer and dies.
|
|
* @param string $message
|
|
*/
|
|
function bail($message) { // Just wraps errors in a nice header and footer
|
|
if ( !$this->show_errors )
|
|
return false;
|
|
|
|
header('Content-Type: text/html; charset=utf-8');
|
|
|
|
if ( strstr($_SERVER['PHP_SELF'], 'wp-admin') )
|
|
$admin_dir = '';
|
|
else
|
|
$admin_dir = 'wp-admin/';
|
|
|
|
?>
|
|
<!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 › Error</title>
|
|
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
|
|
<link rel="stylesheet" href="<?php echo $admin_dir; ?>install.css" type="text/css" />
|
|
</head>
|
|
<body>
|
|
<h1 id="logo"><img alt="WordPress" src="<?php echo $admin_dir; ?>images/wordpress-logo.png" /></h1>
|
|
<p><?php echo $message; ?></p>
|
|
</body>
|
|
</html>
|
|
<?php
|
|
die();
|
|
}
|
|
}
|
|
|
|
if ( ! isset($wpdb) )
|
|
$wpdb = new wpdb(DB_USER, DB_PASSWORD, DB_NAME, DB_HOST);
|
|
?>
|