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https://github.com/WordPress/WordPress.git
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More wpdb cleanups, docs. see #11644 props hakre
git-svn-id: http://svn.automattic.com/wordpress/trunk@13343 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
nacin
parent
1f79e523b2
commit
dd8dbfb6fe
@ -93,6 +93,7 @@ class wpdb {
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* Count of rows returned by previous query
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*
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* @since 1.2
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* @access private
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* @var int
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*/
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var $num_rows = 0;
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@ -101,6 +102,7 @@ class wpdb {
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* Count of affected rows by previous query
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*
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* @since 0.71
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* @access private
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* @var int
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*/
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var $rows_affected = 0;
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@ -118,7 +120,8 @@ class wpdb {
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* Results of the last query made
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*
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* @since {@internal Version Unknown}}
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* @var mixed
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* @access private
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* @var array|null
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*/
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var $last_result;
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@ -166,6 +169,7 @@ class wpdb {
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* {@internal Missing Description}}
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*
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* @since 3.0.0
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* @access public
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* @var int
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*/
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var $blogid = 0;
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@ -174,27 +178,54 @@ class wpdb {
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* {@internal Missing Description}}
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*
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* @since 3.0.0
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* @access public
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* @var int
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*/
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var $siteid = 0;
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/**
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* WordPress Posts table
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* List of WordPress per-blog tables
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*
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* @since 1.5.0
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* @access public
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* @var string
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* @since {@internal Version Unknown}}
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* @access private
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* @see wpdb::tables()
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* @var array
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*/
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var $posts;
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var $tables = array( 'posts', 'comments', 'links', 'options', 'postmeta',
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'terms', 'term_taxonomy', 'term_relationships', 'commentmeta' );
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/**
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* WordPress Users table
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* List of deprecated WordPress tables
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*
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* @since 1.5.0
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* @access public
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* @var string
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* categories, post2cat, and link2cat were deprecated in 2.3.0, db version 5539
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*
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* @since 2.9.0
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* @access private
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* @see wpdb::tables()
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* @var array
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*/
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var $users;
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var $old_tables = array( 'categories', 'post2cat', 'link2cat' );
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/**
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* List of WordPress global tables
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*
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* @since 3.0.0
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* @access private
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* @see wpdb::tables()
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* @var array
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*/
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var $global_tables = array( 'users', 'usermeta' );
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/**
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* List of Multisite global tables
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*
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* @since 3.0.0
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* @access private
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* @see wpdb::tables()
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* @var array
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*/
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var $ms_global_tables = array( 'blogs', 'signups', 'site', 'sitemeta',
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'sitecategories', 'registration_log', 'blog_versions' );
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/**
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* WordPress Comments table
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@ -205,6 +236,15 @@ class wpdb {
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*/
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var $comments;
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/**
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* WordPress Comment Metadata table
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*
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* @since 2.9.0
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* @access public
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* @var string
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*/
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var $commentmeta;
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/**
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* WordPress Links table
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*
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@ -233,22 +273,13 @@ class wpdb {
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var $postmeta;
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/**
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* WordPress Comment Metadata table
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* WordPress Posts table
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*
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* @since 2.9
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* @since 1.5.0
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* @access public
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* @var string
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*/
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var $commentmeta;
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/**
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* WordPress User Metadata table
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*
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* @since 2.3.0
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* @access public
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* @var string
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*/
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var $usermeta;
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var $posts;
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/**
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* WordPress Terms table
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@ -259,15 +290,6 @@ class wpdb {
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*/
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var $terms;
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/**
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* WordPress Term Taxonomy table
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*
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* @since 2.3.0
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* @access public
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* @var string
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*/
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var $term_taxonomy;
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/**
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* WordPress Term Relationships table
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*
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@ -278,26 +300,35 @@ class wpdb {
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var $term_relationships;
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/**
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* List of WordPress per-blog tables
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* WordPress Term Taxonomy table
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*
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* @since {@internal Version Unknown}}
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* @access private
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* @see wpdb::tables()
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* @var array
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* @since 2.3.0
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* @access public
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* @var string
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*/
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var $term_taxonomy;
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/*
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* Global and Multisite tables
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*/
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var $tables = array( 'posts', 'comments', 'links', 'options', 'postmeta',
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'terms', 'term_taxonomy', 'term_relationships', 'commentmeta' );
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/**
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* List of deprecated WordPress tables
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* WordPress User Metadata table
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*
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* @deprecated
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* @since 2.9.0
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* @access private
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* @see wpdb::tables()
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* @var array
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* @since 2.3.0
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* @access public
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* @var string
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*/
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var $old_tables = array( 'categories', 'post2cat', 'link2cat' );
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var $usermeta;
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/**
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* WordPress Users table
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*
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* @since 1.5.0
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* @access public
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* @var string
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*/
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var $users;
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/**
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* Multisite Blogs table
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@ -308,6 +339,24 @@ class wpdb {
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*/
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var $blogs;
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/**
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* Multisite Blog Versions table
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*
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* @since 3.0.0
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* @access public
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* @var string
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*/
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var $blog_versions;
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/**
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* Multisite Registration Log table
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*
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* @since 3.0.0
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* @access public
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* @var string
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*/
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var $registration_log;
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/**
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* Multisite Signups table
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*
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@ -326,15 +375,6 @@ class wpdb {
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*/
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var $site;
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/**
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* Multisite Site Metadata table
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*
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* @since 3.0.0
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* @access public
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* @var string
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*/
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var $sitemeta;
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/**
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* Multisite Sitewide Terms table
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*
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@ -345,43 +385,13 @@ class wpdb {
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var $sitecategories;
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/**
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* Multisite Registration Log table
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* Multisite Site Metadata table
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*
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* @since 3.0.0
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* @access public
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* @var string
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*/
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var $registration_log;
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/**
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* Multisite Blog Versions table
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*
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* @since 3.0.0
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* @access public
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* @var string
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*/
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var $blog_versions;
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/**
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* List of WordPress global tables
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*
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* @since 3.0.0
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* @access private
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* @see wpdb::tables()
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* @var array
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*/
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var $global_tables = array( 'users', 'usermeta' );
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/**
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* List of Multisite global tables
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*
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* @since 3.0.0
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* @access private
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* @see wpdb::tables()
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* @var array
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*/
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var $ms_global_tables = array( 'blogs', 'signups', 'site', 'sitemeta',
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'sitecategories', 'registration_log', 'blog_versions' );
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var $sitemeta;
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/**
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* Format specifiers for DB columns. Columns not listed here default to %s. Initialized during WP load.
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@ -547,7 +557,9 @@ class wpdb {
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if ( isset( $this->base_prefix ) )
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$old_prefix = $this->base_prefix;
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$this->base_prefix = $prefix;
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foreach ( $this->tables( 'global' ) as $table => $prefixed_table )
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$this->$table = $prefixed_table;
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@ -570,11 +582,11 @@ class wpdb {
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*
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* @since 3.0.0
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* @access public
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* @param string $blog_id
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* @param string $site_id. Optional.
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* @param int $blog_id
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* @param int $site_id Optional.
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* @return string previous blog id
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*/
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function set_blog_id( $blog_id, $site_id = '' ) {
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function set_blog_id( $blog_id, $site_id = 0 ) {
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if ( ! empty( $site_id ) )
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$this->siteid = $site_id;
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@ -597,12 +609,12 @@ class wpdb {
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*
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* @uses is_multisite()
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* @since 3.0.0
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* @param int $blog_id. Optional.
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* @param int $blog_id Optional.
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* @return string Blog prefix.
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*/
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function get_blog_prefix( $blog_id = 0 ) {
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if ( is_multisite() && $blog_id ) {
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if ( defined('MULTISITE') && ( $blog_id == 0 || $blog_id == 1 ) )
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if ( defined( 'MULTISITE' ) && ( 0 == $blog_id || 1 == $blog_id ) )
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return $this->base_prefix;
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else
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return $this->base_prefix . $blog_id . '_';
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@ -619,16 +631,20 @@ class wpdb {
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* be determined by the prefix.
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*
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* @since 3.0.0
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* @uses wpdb::tables
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* @uses wpdb::old_tables
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* @uses wpdb::global_tables
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* @uses wpdb::ms_global_tables
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* @uses wpdb::$tables
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* @uses wpdb::$old_tables
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* @uses wpdb::$global_tables
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* @uses wpdb::$ms_global_tables
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* @uses is_multisite()
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*
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* @param string $scope Can be all, global, ms_global, blog, or old tables. Default all.
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* All returns the blog tables for the queried blog and all global tables.
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* @param string $scope Can be all, global, ms_global, blog, or old tables. Defaults to all.
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* 'all' returns 'all' and 'global' tables. No old tables are returned.
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* 'global' returns the global tables for the installation, returning multisite tables only if running multisite.
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* 'ms_global' returns the multisite global tables, regardless if current installation is multisite.
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* 'blog' returns the blog-level tables for the queried blog.
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* 'old' returns tables which are deprecated.
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* @param bool $prefix Whether to include table prefixes. Default true. If blog
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* prefix is requested, then the custom users and usermeta tables will be mapped.
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* prefix is requested, then the custom users and usermeta tables will be mapped.
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* @param int $blog_id The blog_id to prefix. Defaults to wpdb::blogid. Used only when prefix is requested.
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* @return array Table names. When a prefix is requested, the key is the unprefixed table name.
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*/
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@ -658,14 +674,14 @@ class wpdb {
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if ( $prefix ) {
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if ( ! $blog_id )
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$blog_id = $this->blogid;
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$prefix = $this->get_blog_prefix( $blog_id );
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$blog_prefix = $this->get_blog_prefix( $blog_id );
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$base_prefix = $this->base_prefix;
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$global_tables = array_merge( $this->global_tables, $this->ms_global_tables );
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foreach ( $tables as $k => $table ) {
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if ( in_array( $table, $global_tables ) )
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$tables[ $table ] = $base_prefix . $table;
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else
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$tables[ $table ] = $prefix . $table;
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$tables[ $table ] = $blog_prefix . $table;
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unset( $tables[ $k ] );
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}
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@ -709,8 +725,8 @@ class wpdb {
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/**
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* Weak escape
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*
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* @see addslashes()
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* @since unknown
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* @uses addslashes()
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* @since {@internal Version Unknown}}
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* @access private
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*
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* @param string $string
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@ -723,8 +739,8 @@ class wpdb {
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/**
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* Real escape
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*
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* @see mysql_real_escape_string()
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* @see addslashes()
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* @uses mysql_real_escape_string()
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* @uses addslashes()
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* @since 2.8
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* @access private
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*
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@ -739,9 +755,10 @@ class wpdb {
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}
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/**
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* Escape data.
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* Escape data. Works on arrays.
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*
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* @see esc_sql()
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* @uses wpdb::_escape()
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* @uses wpdb::_real_escape()
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* @since 2.8
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* @access private
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*
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@ -764,10 +781,11 @@ class wpdb {
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}
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/**
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* Escapes content for insertion into the database using addslashes(), for security
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* Escapes content for insertion into the database using addslashes(), for security.
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*
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* Works on arrays.
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*
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* @since 0.71
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*
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* @param string|array $data to escape
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* @return string|array escaped as query safe string
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*/
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@ -789,8 +807,8 @@ class wpdb {
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/**
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* Escapes content by reference for insertion into the database, for security
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*
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* @uses wpdb::_real_escape()
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* @since 2.3.0
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*
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* @param string $string to escape
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* @return void
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*/
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@ -819,7 +837,8 @@ class wpdb {
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* Both %d and %s should be left unquoted in the query string.
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*
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* <code>
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* wpdb::prepare( "SELECT * FROM `table` WHERE `column` = %s AND `field` = %d", "foo", 1337 )
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* wpdb::prepare( "SELECT * FROM `table` WHERE `column` = %s AND `field` = %d", 'foo', 1337 )
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* wpdb::prepare( "SELECT DATE_FORMAT(`field`, '%%c') FROM `table` WHERE `column` = %s", 'foo' );
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* </code>
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*
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* @link http://php.net/sprintf Description of syntax.
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@ -837,6 +856,7 @@ class wpdb {
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function prepare( $query = null ) { // ( $query, *$args )
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if ( is_null( $query ) )
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return;
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$args = func_get_args();
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array_shift( $args );
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// If args were passed as an array (as in vsprintf), move them up
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@ -873,19 +893,11 @@ class wpdb {
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else
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$error_str = sprintf(/*WP_I18N_DB_QUERY_ERROR*/'WordPress database error %1$s for query %2$s'/*/WP_I18N_DB_QUERY_ERROR*/, $str, $this->last_query);
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$log_error = true;
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if ( ! function_exists('error_log') )
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$log_error = false;
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$log_file = @ini_get('error_log');
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if ( !empty($log_file) && ('syslog' != $log_file) && !@is_writable($log_file) )
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$log_error = false;
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if ( $log_error )
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@error_log($error_str, 0);
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if ( function_exists('error_log') && $log_file = @ini_get('error_log') && ( 'syslog' == $log_file || is_writable( $log_file ) ) )
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@error_log( $error_str, 0 );
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// Is error output turned on or not..
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if ( !$this->show_errors )
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if ( ! $this->show_errors )
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return false;
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// If there is an error then take note of it
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@ -894,7 +906,7 @@ class wpdb {
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if ( defined( 'ERRORLOGFILE' ) )
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error_log( $msg, 3, ERRORLOGFILE );
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if ( defined( 'DIEONDBERROR' ) )
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die( $msg );
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wp_die( $msg );
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} else {
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$str = htmlspecialchars( $str, ENT_QUOTES );
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$query = htmlspecialchars( $this->last_query, ENT_QUOTES );
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@ -1021,12 +1033,10 @@ class wpdb {
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if ( ! $this->ready )
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return false;
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// filter the query, if filters are available
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// NOTE: some queries are made before the plugins have been loaded, and thus cannot be filtered with this method
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// some queries are made before the plugins have been loaded, and thus cannot be filtered with this method
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if ( function_exists( 'apply_filters' ) )
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$query = apply_filters( 'query', $query );
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// initialize return
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$return_val = 0;
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$this->flush();
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@ -1065,9 +1075,9 @@ class wpdb {
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}
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$this->result = @mysql_query( $query, $dbh );
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++$this->num_queries;
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$this->num_queries++;
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if ( defined('SAVEQUERIES') && SAVEQUERIES )
|
||||
if ( defined( 'SAVEQUERIES' ) && SAVEQUERIES )
|
||||
$this->queries[] = array( $query, $this->timer_stop(), $this->get_caller() );
|
||||
|
||||
// If there is an error then take note of it..
|
||||
@ -1111,15 +1121,19 @@ class wpdb {
|
||||
* Insert a row into a table.
|
||||
*
|
||||
* <code>
|
||||
* wpdb::insert( 'table', array( 'column' => 'foo', 'field' => 'bar' ) )
|
||||
* wpdb::insert( 'table', array( 'column' => 'foo', 'field' => 1337 ), array( '%s', '%d' ) )
|
||||
* </code>
|
||||
*
|
||||
* @since 2.5.0
|
||||
* @see wpdb::prepare()
|
||||
* @see wpdb::$field_types
|
||||
* @see wp_set_wpdb_vars()
|
||||
*
|
||||
* @param string $table table name
|
||||
* @param array $data Data to insert (in column => value pairs). Both $data columns and $data values should be "raw" (neither should be SQL escaped).
|
||||
* @param array|string $format (optional) An array of formats to be mapped to each of the value in $data. If string, that format will be used for all of the values in $data. A format is one of '%d', '%s' (decimal number, string). If omitted, all values in $data will be treated as strings.
|
||||
* @param array|string $format Optional. An array of formats to be mapped to each of the value in $data. If string, that format will be used for all of the values in $data.
|
||||
* A format is one of '%d', '%s' (decimal number, string). If omitted, all values in $data will be treated as strings unless otherwise specified in wpdb::$field_types.
|
||||
* @return int|false The number of rows inserted, or false on error.
|
||||
*/
|
||||
function insert( $table, $data, $format = null ) {
|
||||
@ -1144,21 +1158,25 @@ class wpdb {
|
||||
* Update a row in the table
|
||||
*
|
||||
* <code>
|
||||
* wpdb::update( 'table', array( 'column' => 'foo', 'field' => 'bar' ), array( 'ID' => 1 ) )
|
||||
* wpdb::update( 'table', array( 'column' => 'foo', 'field' => 1337 ), array( 'ID' => 1 ), array( '%s', '%d' ), array( '%d' ) )
|
||||
* </code>
|
||||
*
|
||||
* @since 2.5.0
|
||||
* @see wpdb::prepare()
|
||||
* @see wpdb::$field_types
|
||||
* @see wp_set_wpdb_vars()
|
||||
*
|
||||
* @param string $table table name
|
||||
* @param array $data Data to update (in column => value pairs). Both $data columns and $data values should be "raw" (neither should be SQL escaped).
|
||||
* @param array $where A named array of WHERE clauses (in column => value pairs). Multiple clauses will be joined with ANDs. Both $where columns and $where values should be "raw".
|
||||
* @param array|string $format (optional) An array of formats to be mapped to each of the values in $data. If string, that format will be used for all of the values in $data. A format is one of '%d', '%s' (decimal number, string). If omitted, all values in $data will be treated as strings.
|
||||
* @param array|string $format_where (optional) An array of formats to be mapped to each of the values in $where. If string, that format will be used for all of the items in $where. A format is one of '%d', '%s' (decimal number, string). If omitted, all values in $where will be treated as strings.
|
||||
* @param array $data Data to update (in column => value pairs). Both $data columns and $data values should be "raw" (neither should be SQL escaped).
|
||||
* @param array $where A named array of WHERE clauses (in column => value pairs). Multiple clauses will be joined with ANDs. Both $where columns and $where values should be "raw".
|
||||
* @param array|string $format Optional. An array of formats to be mapped to each of the values in $data. If string, that format will be used for all of the values in $data.
|
||||
* A format is one of '%d', '%s' (decimal number, string). If omitted, all values in $data will be treated as strings unless otherwise specified in wpdb::$field_types.
|
||||
* @param array|string $format_where Optional. An array of formats to be mapped to each of the values in $where. If string, that format will be used for all of the items in $where. A format is one of '%d', '%s' (decimal number, string). If omitted, all values in $where will be treated as strings.
|
||||
* @return int|false The number of rows updated, or false on error.
|
||||
*/
|
||||
function update( $table, $data, $where, $format = null, $where_format = null ) {
|
||||
if ( ! is_array( $where ) )
|
||||
if ( ! is_array( $data ) || ! is_array( $where ) )
|
||||
return false;
|
||||
|
||||
$formats = $format = (array) $format;
|
||||
@ -1197,10 +1215,10 @@ class wpdb {
|
||||
*
|
||||
* @since 0.71
|
||||
*
|
||||
* @param string|null $query Optional. SQL query. If null (default), uses the result from the previous query.
|
||||
* @param int $x (optional) Column of value to return. Indexed from 0.
|
||||
* @param int $y (optional) Row of value to return. Indexed from 0.
|
||||
* @return string|null Database query result, or null on failure
|
||||
* @param string|null $query Optional. SQL query. Defaults to null, use the result from the previous query.
|
||||
* @param int $x Optional. Column of value to return. Indexed from 0.
|
||||
* @param int $y Optional. Row of value to return. Indexed from 0.
|
||||
* @return string|null Database query result (as string), or null on failure
|
||||
*/
|
||||
function get_var( $query = null, $x = 0, $y = 0 ) {
|
||||
$this->func_call = "\$db->get_var(\"$query\", $x, $y)";
|
||||
@ -1224,8 +1242,9 @@ class wpdb {
|
||||
* @since 0.71
|
||||
*
|
||||
* @param string|null $query SQL query.
|
||||
* @param string $output (optional) one of ARRAY_A | ARRAY_N | OBJECT constants. Return an associative array (column => value, ...), a numerically indexed array (0 => value, ...) or an object ( ->column = value ), respectively.
|
||||
* @param int $y (optional) Row to return. Indexed from 0.
|
||||
* @param string $output Optional. one of ARRAY_A | ARRAY_N | OBJECT constants. Return an associative array (column => value, ...),
|
||||
* a numerically indexed array (0 => value, ...) or an object ( ->column = value ), respectively.
|
||||
* @param int $y Optional. Row to return. Indexed from 0.
|
||||
* @return mixed Database query result in format specifed by $output or null on failure
|
||||
*/
|
||||
function get_row( $query = null, $output = OBJECT, $y = 0 ) {
|
||||
@ -1258,7 +1277,7 @@ class wpdb {
|
||||
*
|
||||
* @since 0.71
|
||||
*
|
||||
* @param string|null $query Optional. SQL query. If null (default), use the result from the previous query.
|
||||
* @param string|null $query Optional. SQL query. Defaults to previous query.
|
||||
* @param int $x Optional. Column to return. Indexed from 0.
|
||||
* @return array Database query result. Array indexed from 0 by SQL result row number.
|
||||
*/
|
||||
@ -1282,7 +1301,9 @@ class wpdb {
|
||||
* @since 0.71
|
||||
*
|
||||
* @param string $query SQL query.
|
||||
* @param string $output (optional) ane of ARRAY_A | ARRAY_N | OBJECT | OBJECT_K constants. With one of the first three, return an array of rows indexed from 0 by SQL result row number. Each row is an associative array (column => value, ...), a numerically indexed array (0 => value, ...), or an object. ( ->column = value ), respectively. With OBJECT_K, return an associative array of row objects keyed by the value of each row's first column's value. Duplicate keys are discarded.
|
||||
* @param string $output Optional. Any of ARRAY_A | ARRAY_N | OBJECT | OBJECT_K constants. With one of the first three, return an array of rows indexed from 0 by SQL result row number.
|
||||
* Each row is an associative array (column => value, ...), a numerically indexed array (0 => value, ...), or an object. ( ->column = value ), respectively.
|
||||
* With OBJECT_K, return an associative array of row objects keyed by the value of each row's first column's value. Duplicate keys are discarded.
|
||||
* @return mixed Database query results
|
||||
*/
|
||||
function get_results( $query = null, $output = OBJECT ) {
|
||||
@ -1385,7 +1406,7 @@ class wpdb {
|
||||
* @since 1.5.0
|
||||
*
|
||||
* @param string $message The Error message
|
||||
* @param string $error_code (optional) A Computer readable string to identify the error.
|
||||
* @param string $error_code Optional. A Computer readable string to identify the error.
|
||||
* @return false|void
|
||||
*/
|
||||
function bail( $message, $error_code = '500' ) {
|
||||
@ -1436,7 +1457,6 @@ class wpdb {
|
||||
*
|
||||
* @param string $db_cap the feature
|
||||
* @param false|string|resource $dbh_or_table. Not implemented.
|
||||
* Which database to test. False = the currently selected database, string = the database containing the specified table, resource = the database corresponding to the specified mysql resource.
|
||||
* @return bool
|
||||
*/
|
||||
function has_cap( $db_cap ) {
|
||||
@ -1463,17 +1483,12 @@ class wpdb {
|
||||
* @return string The name of the calling function
|
||||
*/
|
||||
function get_caller() {
|
||||
$bt = debug_backtrace();
|
||||
$trace = array_reverse( debug_backtrace() );
|
||||
$caller = array();
|
||||
|
||||
$bt = array_reverse( $bt );
|
||||
foreach ( (array) $bt as $call ) {
|
||||
foreach ( $trace as $call ) {
|
||||
if ( isset( $call['class'] ) && __CLASS__ == $call['class'] )
|
||||
continue;
|
||||
$function = $call['function'];
|
||||
if ( isset( $call['class'] ) )
|
||||
$function = $call['class'] . "->$function";
|
||||
$caller[] = $function;
|
||||
continue; // Filter out wpdb calls.
|
||||
}
|
||||
$caller = join( ', ', $caller );
|
||||
|
||||
@ -1481,9 +1496,9 @@ class wpdb {
|
||||
}
|
||||
|
||||
/**
|
||||
* The database version number
|
||||
* The database version number.
|
||||
*
|
||||
* @param false|string|resource $dbh_or_table. Not implemented.
|
||||
* Which database to test. False = the currently selected database, string = the database containing the specified table, resource = the database corresponding to the specified mysql resource.
|
||||
* @return false|string false on failure, version number on success
|
||||
*/
|
||||
function db_version() {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user