mirror of
https://github.com/WordPress/WordPress.git
synced 2024-11-12 13:44:21 +01:00
EZ SQL, modified slightly for WP use.
git-svn-id: http://svn.automattic.com/wordpress/trunk@112 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
saxmatt
parent
fe76341b15
commit
cb0702c078
404
b2-include/wp-db.php
Normal file
404
b2-include/wp-db.php
Normal file
@ -0,0 +1,404 @@
|
||||
<?php
|
||||
// ==================================================================
|
||||
// Author: Justin Vincent (justin@visunet.ie)
|
||||
// Web: http://php.justinvincent.com
|
||||
// Name: ezSQL
|
||||
// Desc: Class to make it very easy to deal with mySQL database connections.
|
||||
// WordPress is using this class to make the code cleaner and faster.
|
||||
// We highly recommend it.
|
||||
// We have modified the HTML it returns slightly.
|
||||
|
||||
define('EZSQL_DB_USER', ""); // <-- mysql db user
|
||||
define('EZSQL_DB_PASSWORD', ""); // <-- mysql db password
|
||||
define('EZSQL_DB_NAME', "mysql"); // <-- mysql db pname
|
||||
define('EZSQL_DB_HOST', 'localhost'); // <-- mysql server host
|
||||
|
||||
define('EZSQL_VERSION', '1.21');
|
||||
define('OBJECT', 'OBJECT', true);
|
||||
define('ARRAY_A', 'ARRAY_A', true);
|
||||
define('ARRAY_N', 'ARRAY_N', true);
|
||||
|
||||
// The Main Class, renamed to avoid conflicts.
|
||||
|
||||
class wpdb {
|
||||
|
||||
var $debug_called;
|
||||
var $vardump_called;
|
||||
var $show_errors = true;
|
||||
|
||||
// ==================================================================
|
||||
// DB Constructor - connects to the server and selects a database
|
||||
|
||||
function wpdb($dbuser, $dbpassword, $dbname, $dbhost)
|
||||
{
|
||||
|
||||
$this->dbh = @mysql_connect($dbhost,$dbuser,$dbpassword);
|
||||
|
||||
if ( ! $this->dbh )
|
||||
{
|
||||
$this->print_error("<ol id='error'>
|
||||
<li><strong>Error establishing a database connection!</strong></li>
|
||||
<li>Are you sure you have the correct user/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>
|
||||
</ol>");
|
||||
}
|
||||
|
||||
|
||||
$this->select($dbname);
|
||||
|
||||
}
|
||||
|
||||
// ==================================================================
|
||||
// Select a DB (if another one needs to be selected)
|
||||
|
||||
function select($db)
|
||||
{
|
||||
if ( !@mysql_select_db($db,$this->dbh))
|
||||
{
|
||||
$this->print_error("<ol id='error'>
|
||||
<li><strong>Error selecting database <u>$db</u>!</strong></li>
|
||||
<li>Are you sure it exists?</li>
|
||||
<li>Are you sure there is a valid database connection?</li>
|
||||
</ol>");
|
||||
}
|
||||
}
|
||||
|
||||
// ====================================================================
|
||||
// Format a string correctly for safe insert under all PHP conditions
|
||||
|
||||
function escape($str)
|
||||
{
|
||||
return mysql_escape_string(stripslashes($str));
|
||||
}
|
||||
|
||||
// ==================================================================
|
||||
// Print SQL/DB error.
|
||||
|
||||
function print_error($str = '')
|
||||
{
|
||||
|
||||
// All errors go to the global error array $EZSQL_ERROR..
|
||||
global $EZSQL_ERROR;
|
||||
|
||||
// If no special error string then use mysql default..
|
||||
if ( !$str ) $str = mysql_error();
|
||||
|
||||
// Log this error to the global array..
|
||||
$EZSQL_ERROR[] = array
|
||||
(
|
||||
'query' => $this->last_query,
|
||||
'error_str' => $str
|
||||
);
|
||||
|
||||
// Is error output turned on or not..
|
||||
if ( $this->show_errors )
|
||||
{
|
||||
// If there is an error then take note of it
|
||||
print "<ol id='error'>
|
||||
<li><strong>SQL/DB Error --</strong></li>
|
||||
<li>[<font color=000077>$str</font>]</li>
|
||||
</ol>";
|
||||
}
|
||||
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()
|
||||
{
|
||||
|
||||
// Get rid of these
|
||||
$this->last_result = null;
|
||||
$this->col_info = null;
|
||||
$this->last_query = null;
|
||||
|
||||
}
|
||||
|
||||
// ==================================================================
|
||||
// Basic Query - see docs for more detail
|
||||
|
||||
function query($query)
|
||||
{
|
||||
|
||||
// Flush cached values..
|
||||
$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..
|
||||
$this->result = mysql_query($query, $this->dbh);
|
||||
|
||||
// If there was an insert, delete or update see how many rows were affected
|
||||
// (Also, If there there was an insert take note of the insert_id
|
||||
$query_type = array('insert','delete','update','replace');
|
||||
|
||||
// loop through the above array
|
||||
foreach ( $query_type as $word )
|
||||
{
|
||||
// This is true if the query starts with insert, delete or update
|
||||
if ( preg_match("/^\\s*$word /i",$query) )
|
||||
{
|
||||
$this->rows_affected = mysql_affected_rows();
|
||||
|
||||
// This gets the insert ID
|
||||
if ( $word == 'insert' || $word == 'replace' )
|
||||
{
|
||||
$this->insert_id = mysql_insert_id($this->dbh);
|
||||
}
|
||||
|
||||
$this->result = false;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
if ( mysql_error() )
|
||||
{
|
||||
|
||||
// If there is an error then take note of it..
|
||||
$this->print_error();
|
||||
|
||||
}
|
||||
else
|
||||
{
|
||||
|
||||
// In other words if this was a select statement..
|
||||
if ( $this->result )
|
||||
{
|
||||
|
||||
// =======================================================
|
||||
// Take note of column info
|
||||
|
||||
$i=0;
|
||||
while ($i < @mysql_num_fields($this->result))
|
||||
{
|
||||
$this->col_info[$i] = @mysql_fetch_field($this->result);
|
||||
$i++;
|
||||
}
|
||||
|
||||
// =======================================================
|
||||
// Store Query Results
|
||||
|
||||
$i=0;
|
||||
while ( $row = @mysql_fetch_object($this->result) )
|
||||
{
|
||||
|
||||
// Store relults as an objects within main array
|
||||
$this->last_result[$i] = $row;
|
||||
|
||||
$i++;
|
||||
}
|
||||
|
||||
// Log number of rows the query returned
|
||||
$this->num_rows = $i;
|
||||
|
||||
@mysql_free_result($this->result);
|
||||
|
||||
|
||||
// If there were results then return true for $db->query
|
||||
if ( $i )
|
||||
{
|
||||
return true;
|
||||
}
|
||||
else
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
}
|
||||
else
|
||||
{
|
||||
// Update insert etc. was good..
|
||||
return true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// ==================================================================
|
||||
// Get one variable from the DB - see docs for more detail
|
||||
|
||||
function get_var($query=null, $x=0, $y=0)
|
||||
{
|
||||
|
||||
// Log how the function was called
|
||||
$this->func_call = "\$db->get_var(\"$query\",$x,$y)";
|
||||
|
||||
// If there is a query then perform it if not then use cached results..
|
||||
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 DB - see docs for more detail
|
||||
|
||||
function get_row($query=null, $output=OBJECT, $y=0)
|
||||
{
|
||||
|
||||
// Log how the function was called
|
||||
$this->func_call = "\$db->get_row(\"$query\",$output,$y)";
|
||||
|
||||
// If there is a query then perform it if not then use cached results..
|
||||
if ( $query )
|
||||
{
|
||||
$this->query($query);
|
||||
}
|
||||
|
||||
// If the output is an object then return object using the row offset..
|
||||
if ( $output == OBJECT )
|
||||
{
|
||||
return $this->last_result[$y]?$this->last_result[$y]:null;
|
||||
}
|
||||
// If the output is an associative array then return row as such..
|
||||
elseif ( $output == ARRAY_A )
|
||||
{
|
||||
return $this->last_result[$y]?get_object_vars($this->last_result[$y]):null;
|
||||
}
|
||||
// If the output is an numerical array then return row as such..
|
||||
elseif ( $output == ARRAY_N )
|
||||
{
|
||||
return $this->last_result[$y]?array_values(get_object_vars($this->last_result[$y])):null;
|
||||
}
|
||||
// If invalid output type was specified..
|
||||
else
|
||||
{
|
||||
$this->print_error(" \$db->get_row(string query, output type, int offset) -- Output type must be one of: OBJECT, ARRAY_A, ARRAY_N");
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// ==================================================================
|
||||
// Function to get 1 column from the cached result set based in X index
|
||||
// se docs for usage and info
|
||||
|
||||
function get_col($query=null,$x=0)
|
||||
{
|
||||
|
||||
// If there is a query then perform it if not then use cached results..
|
||||
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 $new_array;
|
||||
}
|
||||
|
||||
// ==================================================================
|
||||
// Return the the query as a result set - see docs for more details
|
||||
|
||||
function get_results($query=null, $output = OBJECT)
|
||||
{
|
||||
|
||||
// Log how the function was called
|
||||
$this->func_call = "\$db->get_results(\"$query\", $output)";
|
||||
|
||||
// If there is a query then perform it if not then use cached results..
|
||||
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] = get_object_vars($row);
|
||||
|
||||
if ( $output == ARRAY_N )
|
||||
{
|
||||
$new_array[$i] = array_values($new_array[$i]);
|
||||
}
|
||||
|
||||
$i++;
|
||||
}
|
||||
|
||||
return $new_array;
|
||||
}
|
||||
else
|
||||
{
|
||||
return null;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// ==================================================================
|
||||
// Function to get column meta data info pertaining to the last query
|
||||
// see docs for more info and usage
|
||||
|
||||
function get_col_info($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};
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
$wpdb = new wpdb(EZSQL_DB_USER, EZSQL_DB_PASSWORD, EZSQL_DB_NAME, EZSQL_DB_HOST);
|
||||
|
||||
?>
|
||||
Loading…
Reference in New Issue
Block a user