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3cbc8ef308
git-svn-id: http://svn.automattic.com/wordpress/trunk@16267 1a063a9b-81f0-0310-95a4-ce76da25c4cd
102 lines
2.0 KiB
PHP
102 lines
2.0 KiB
PHP
<?php
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/**
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* WordPress Query class.
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*
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* Abstract class for handling advanced queries
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*
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* @package WordPress
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* @since 3.1.0
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*/
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class WP_Object_Query {
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/**
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* Query vars, after parsing
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*
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* @since 3.1.0
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* @access public
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* @var array
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*/
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var $query_vars;
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/**
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* Retrieve query variable.
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*
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* @since 3.1.0
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* @access public
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*
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* @param string $query_var Query variable key.
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* @return mixed
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*/
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function get( $query_var ) {
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if ( isset( $this->query_vars[$query_var] ) )
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return $this->query_vars[$query_var];
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return '';
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}
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/**
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* Set query variable.
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*
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* @since 3.1.0
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* @access public
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*
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* @param string $query_var Query variable key.
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* @param mixed $value Query variable value.
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*/
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function set( $query_var, $value ) {
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$this->query_vars[ $query_var ] = $value;
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}
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/*
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* Populates the $meta_query property
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*
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* @access protected
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* @since 3.1.0
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*
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* @param array $qv The query variables
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*/
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function parse_meta_query( &$qv ) {
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$meta_query = array();
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// Simple query needs to be first for orderby=meta_value to work correctly
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foreach ( array( 'key', 'value', 'compare', 'type' ) as $key ) {
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if ( !empty( $qv[ "meta_$key" ] ) )
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$meta_query[0][ $key ] = $qv[ "meta_$key" ];
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}
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if ( !empty( $qv['meta_query'] ) && is_array( $qv['meta_query'] ) ) {
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$meta_query = array_merge( $meta_query, $qv['meta_query'] );
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}
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$qv['meta_query'] = $meta_query;
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}
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/*
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* Used internally to generate an SQL string for searching across multiple columns
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*
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* @access protected
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* @since 3.1.0
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*
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* @param string $string
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* @param array $cols
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* @param bool $wild Whether to allow trailing wildcard searches. Default is false.
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* @return string
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*/
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function get_search_sql( $string, $cols, $wild = false ) {
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$string = esc_sql( $string );
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$searches = array();
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$wild_char = ( $wild ) ? '%' : '';
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foreach ( $cols as $col ) {
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if ( 'ID' == $col )
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$searches[] = "$col = '$string'";
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else
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$searches[] = "$col LIKE '$string$wild_char'";
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}
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return ' AND (' . implode(' OR ', $searches) . ')';
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}
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}
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?>
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