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<?php
/**
 * Meta API: WP_Meta_Query class
 *
 * @package WordPress
 * @subpackage Meta
 * @since 4.4.0
 */

/**
 * Core class used to implement meta queries for the Meta API.
 *
 * Used for generating SQL clauses that filter a primary query according to metadata keys and values.
 *
 * WP_Meta_Query is a helper that allows primary query classes, such as WP_Query and WP_User_Query,
 *
 * to filter their results by object metadata, by generating `JOIN` and `WHERE` subclauses to be attached
 * to the primary SQL query string.
 *
 * @since 3.2.0
 */
class WP_Meta_Query {
	/**
	 * Array of metadata queries.
	 *
	 * See WP_Meta_Query::__construct() for information on meta query arguments.
	 *
	 * @since 3.2.0
	 * @var array
	 */
	public $queries = array();

/**
	 * The relation between the queries. Can be one of 'AND' or 'OR'.
	 *
	 * @since 3.2.0
	 * @var string
	 */
	public $relation;

/**
	 * Database table to query for the metadata.
	 *
	 * @since 4.1.0
	 * @var string
	 */
	public $meta_table;

/**
	 * Column in meta_table that represents the ID of the object the metadata belongs to.
	 *
	 * @since 4.1.0
	 * @var string
	 */
	public $meta_id_column;

/**
	 * Database table that where the metadata's objects are stored (eg $wpdb->users).
	 *
	 * @since 4.1.0
	 * @var string
	 */
	public $primary_table;

/**
	 * Column in primary_table that represents the ID of the object.
	 *
	 * @since 4.1.0
	 * @var string
	 */
	public $primary_id_column;

/**
	 * A flat list of table aliases used in JOIN clauses.
	 *
	 * @since 4.1.0
	 * @var array
	 */
	protected $table_aliases = array();

/**
	 * A flat list of clauses, keyed by clause 'name'.
	 *
	 * @since 4.2.0
	 * @var array
	 */
	protected $clauses = array();

/**
	 * Whether the query contains any OR relations.
	 *
	 * @since 4.3.0
	 * @var bool
	 */
	protected $has_or_relation = false;

/**
	 * Constructor.
	 *
	 * @since 3.2.0
	 * @since 4.2.0 Introduced support for naming query clauses by associative array keys.
	 * @since 5.1.0 Introduced `$compare_key` clause parameter, which enables LIKE key matches.
	 * @since 5.3.0 Increased the number of operators available to `$compare_key`. Introduced `$type_key`,
	 *              which enables the `$key` to be cast to a new data type for comparisons.
	 *
	 * @param array $meta_query {
	 *     Array of meta query clauses. When first-order clauses or sub-clauses use strings as
	 *     their array keys, they may be referenced in the 'orderby' parameter of the parent query.
	 *
	 *     @type string $relation Optional. The MySQL keyword used to join the clauses of the query.
	 *                            Accepts 'AND' or 'OR'. Default 'AND'.
	 *     @type array  ...$0 {
	 *         Optional. An array of first-order clause parameters, or another fully-formed meta query.
	 *
	 *         @type string|string[] $key         Meta key or keys to filter by.
	 *         @type string          $compare_key MySQL operator used for comparing the $key. Accepts:
	 *                                            - '='
	 *                                            - '!='
	 *                                            - 'LIKE'
	 *                                            - 'NOT LIKE'
	 *                                            - 'IN'
	 *                                            - 'NOT IN'
	 *                                            - 'REGEXP'
	 *                                            - 'NOT REGEXP'
	 *                                            - 'RLIKE',
	 *                                            - 'EXISTS' (alias of '=')
	 *                                            - 'NOT EXISTS' (alias of '!=')
	 *                                            Default is 'IN' when `$key` is an array, '=' otherwise.
	 *         @type string          $type_key    MySQL data type that the meta_key column will be CAST to for
	 *                                            comparisons. Accepts 'BINARY' for case-sensitive regular expression
	 *                                            comparisons. Default is ''.
	 *         @type string|string[] $value       Meta value or values to filter by.
	 *         @type string          $compare     MySQL operator used for comparing the $value. Accepts:
	 *                                            - '=',
	 *                                            - '!='
	 *                                            - '>'
	 *                                            - '>='
	 *                                            - '<'
	 *                                            - '<='
	 *                                            - 'LIKE'
	 *                                            - 'NOT LIKE'
	 *                                            - 'IN'
	 *                                            - 'NOT IN'
	 *                                            - 'BETWEEN'
	 *                                            - 'NOT BETWEEN'
	 *                                            - 'REGEXP'
	 *                                            - 'NOT REGEXP'
	 *                                            - 'RLIKE'
	 *                                            - 'EXISTS'
	 *                                            - 'NOT EXISTS'
	 *                                            Default is 'IN' when `$value` is an array, '=' otherwise.
	 *         @type string          $type        MySQL data type that the meta_value column will be CAST to for
	 *                                            comparisons. Accepts:
	 *                                            - 'NUMERIC'
	 *                                            - 'BINARY'
	 *                                            - 'CHAR'
	 *                                            - 'DATE'
	 *                                            - 'DATETIME'
	 *                                            - 'DECIMAL'
	 *                                            - 'SIGNED'
	 *                                            - 'TIME'
	 *                                            - 'UNSIGNED'
	 *                                            Default is 'CHAR'.
	 *     }
	 * }
	 */
	public function __construct( $meta_query = false ) {
		if ( ! $meta_query ) {
			return;
		}

if ( isset( $meta_query['relation'] ) && 'OR' === strtoupper( $meta_query['relation'] ) ) {
			$this->relation = 'OR';
		} else {
			$this->relation = 'AND';
		}

$this->queries = $this->sanitize_query( $meta_query );
	}

/**
	 * Ensure the 'meta_query' argument passed to the class constructor is well-formed.
	 *
	 * Eliminates empty items and ensures that a 'relation' is set.
	 *
	 * @since 4.1.0
	 *
	 * @param array $queries Array of query clauses.
	 * @return array Sanitized array of query clauses.
	 */
	public function sanitize_query( $queries ) {
		$clean_queries = array();

if ( ! is_array( $queries ) ) {
			return $clean_queries;
		}

foreach ( $queries as $key => $query ) {
			if ( 'relation' === $key ) {
				$relation = $query;

} elseif ( ! is_array( $query ) ) {
				continue;

// First-order clause.
			} elseif ( $this->is_first_order_clause( $query ) ) {
				if ( isset( $query['value'] ) && array() === $query['value'] ) {
					unset( $query['value'] );
				}

$clean_queries[ $key ] = $query;

// Otherwise, it's a nested query, so we recurse.
			} else {
				$cleaned_query = $this->sanitize_query( $query );

if ( ! empty( $cleaned_query ) ) {
					$clean_queries[ $key ] = $cleaned_query;
				}
			}
		}

if ( empty( $clean_queries ) ) {
			return $clean_queries;
		}

// Sanitize the 'relation' key provided in the query.
		if ( isset( $relation ) && 'OR' === strtoupper( $relation ) ) {
			$clean_queries['relation'] = 'OR';
			$this->has_or_relation     = true;

/*
			* If there is only a single clause, call the relation 'OR'.
			* This value will not actually be used to join clauses, but it
			* simplifies the logic around combining key-only queries.
			*/
		} elseif ( 1 === count( $clean_queries ) ) {
			$clean_queries['relation'] = 'OR';

// Default to AND.
		} else {
			$clean_queries['relation'] = 'AND';
		}

return $clean_queries;
	}

/**
	 * Determine whether a query clause is first-order.
	 *
	 * A first-order meta query clause is one that has either a 'key' or
	 * a 'value' array key.
	 *
	 * @since 4.1.0
	 *
	 * @param array $query Meta query arguments.
	 * @return bool Whether the query clause is a first-order clause.
	 */
	protected function is_first_order_clause( $query ) {
		return isset( $query['key'] ) || isset( $query['value'] );
	}

/**
	 * Constructs a meta query based on 'meta_*' query vars
	 *
	 * @since 3.2.0
	 *
	 * @param array $qv The query variables
	 */
	public function parse_query_vars( $qv ) {
		$meta_query = array();

/*
		 * For orderby=meta_value to work correctly, simple query needs to be
		 * first (so that its table join is against an unaliased meta table) and
		 * needs to be its own clause (so it doesn't interfere with the logic of
		 * the rest of the meta_query).
		 */
		$primary_meta_query = array();
		foreach ( array( 'key', 'compare', 'type', 'compare_key', 'type_key' ) as $key ) {
			if ( ! empty( $qv[ "meta_$key" ] ) ) {
				$primary_meta_query[ $key ] = $qv[ "meta_$key" ];
			}
		}

// WP_Query sets 'meta_value' = '' by default.
		if ( isset( $qv['meta_value'] ) && '' !== $qv['meta_value'] && ( ! is_array( $qv['meta_value'] ) || $qv['meta_value'] ) ) {
			$primary_meta_query['value'] = $qv['meta_value'];
		}

$existing_meta_query = isset( $qv['meta_query'] ) && is_array( $qv['meta_query'] ) ? $qv['meta_query'] : array();

if ( ! empty( $primary_meta_query ) && ! empty( $existing_meta_query ) ) {
			$meta_query = array(
				'relation' => 'AND',
				$primary_meta_query,
				$existing_meta_query,
			);
		} elseif ( ! empty( $primary_meta_query ) ) {
			$meta_query = array(
				$primary_meta_query,
			);
		} elseif ( ! empty( $existing_meta_query ) ) {
			$meta_query = $existing_meta_query;
		}

$this->__construct( $meta_query );
	}

/**
	 * Return the appropriate alias for the given meta type if applicable.
	 *
	 * @since 3.7.0
	 *
	 * @param string $type MySQL type to cast meta_value.
	 * @return string MySQL type.
	 */
	public function get_cast_for_type( $type = '' ) {
		if ( empty( $type ) ) {
			return 'CHAR';
		}

$meta_type = strtoupper( $type );

if ( ! preg_match( '/^(?:BINARY|CHAR|DATE|DATETIME|SIGNED|UNSIGNED|TIME|NUMERIC(?:$\d+(?:,\s?\d+)?$)?|DECIMAL(?:$\d+(?:,\s?\d+)?$)?)$/', $meta_type ) ) {
			return 'CHAR';
		}

if ( 'NUMERIC' === $meta_type ) {
			$meta_type = 'SIGNED';
		}

return $meta_type;
	}

/**
	 * Generates SQL clauses to be appended to a main query.
	 *
	 * @since 3.2.0
	 *
	 * @param string $type              Type of meta. Possible values include but are not limited
	 *                                  to 'post', 'comment', 'blog', 'term', and 'user'.
	 * @param string $primary_table     Database table where the object being filtered is stored (eg wp_users).
	 * @param string $primary_id_column ID column for the filtered object in $primary_table.
	 * @param object $context           Optional. The main query object that corresponds to the type, for
	 *                                  example a `WP_Query`, `WP_User_Query`, or `WP_Site_Query`.
	 * @return string[]|false {
	 *     Array containing JOIN and WHERE SQL clauses to append to the main query,
	 *     or false if no table exists for the requested meta type.
	 *
	 *     @type string $join  SQL fragment to append to the main JOIN clause.
	 *     @type string $where SQL fragment to append to the main WHERE clause.
	 * }
	 */
	public function get_sql( $type, $primary_table, $primary_id_column, $context = null ) {
		$meta_table = _get_meta_table( $type );
		if ( ! $meta_table ) {
			return false;
		}

$this->table_aliases = array();

$this->meta_table     = $meta_table;
		$this->meta_id_column = sanitize_key( $type . '_id' );

$this->primary_table     = $primary_table;
		$this->primary_id_column = $primary_id_column;

$sql = $this->get_sql_clauses();

/*
		 * If any JOINs are LEFT JOINs (as in the case of NOT EXISTS), then all JOINs should
		 * be LEFT. Otherwise posts with no metadata will be excluded from results.
		 */
		if ( false !== strpos( $sql['join'], 'LEFT JOIN' ) ) {
			$sql['join'] = str_replace( 'INNER JOIN', 'LEFT JOIN', $sql['join'] );
		}

/**
		 * Filters the meta query's generated SQL.
		 *
		 * @since 3.1.0
		 *
		 * @param string[] $sql               Array containing the query's JOIN and WHERE clauses.
		 * @param array    $queries           Array of meta queries.
		 * @param string   $type              Type of meta. Possible values include but are not limited
		 *                                    to 'post', 'comment', 'blog', 'term', and 'user'.
		 * @param string   $primary_table     Primary table.
		 * @param string   $primary_id_column Primary column ID.
		 * @param object   $context           The main query object that corresponds to the type, for
		 *                                    example a `WP_Query`, `WP_User_Query`, or `WP_Site_Query`.
		 */
		return apply_filters_ref_array( 'get_meta_sql', array( $sql, $this->queries, $type, $primary_table, $primary_id_column, $context ) );
	}

/**
	 * Generate SQL clauses to be appended to a main query.
	 *
	 * Called by the public WP_Meta_Query::get_sql(), this method is abstracted
	 * out to maintain parity with the other Query classes.
	 *
	 * @since 4.1.0
	 *
	 * @return string[] {
	 *     Array containing JOIN and WHERE SQL clauses to append to the main query.
	 *
	 *     @type string $join  SQL fragment to append to the main JOIN clause.
	 *     @type string $where SQL fragment to append to the main WHERE clause.
	 * }
	 */
	protected function get_sql_clauses() {
		/*
		 * $queries are passed by reference to get_sql_for_query() for recursion.
		 * To keep $this->queries unaltered, pass a copy.
		 */
		$queries = $this->queries;
		$sql     = $this->get_sql_for_query( $queries );

if ( ! empty( $sql['where'] ) ) {
			$sql['where'] = ' AND ' . $sql['where'];
		}

return $sql;
	}

/**
	 * Generate SQL clauses for a single query array.
	 *
	 * If nested subqueries are found, this method recurses the tree to
	 * produce the properly nested SQL.
	 *
	 * @since 4.1.0
	 *
	 * @param array $query Query to parse (passed by reference).
	 * @param int   $depth Optional. Number of tree levels deep we currently are.
	 *                     Used to calculate indentation. Default 0.
	 * @return string[] {
	 *     Array containing JOIN and WHERE SQL clauses to append to a single query array.
	 *
	 *     @type string $join  SQL fragment to append to the main JOIN clause.
	 *     @type string $where SQL fragment to append to the main WHERE clause.
	 * }
	 */
	protected function get_sql_for_query( &$query, $depth = 0 ) {
		$sql_chunks = array(
			'join'  => array(),
			'where' => array(),
		);

$sql = array(
			'join'  => '',
			'where' => '',
		);

$indent = '';
		for ( $i = 0; $i < $depth; $i++ ) {
			$indent .= '  ';
		}

foreach ( $query as $key => &$clause ) {
			if ( 'relation' === $key ) {
				$relation = $query['relation'];
			} elseif ( is_array( $clause ) ) {

// This is a first-order clause.
				if ( $this->is_first_order_clause( $clause ) ) {
					$clause_sql = $this->get_sql_for_clause( $clause, $query, $key );

$where_count = count( $clause_sql['where'] );
					if ( ! $where_count ) {
						$sql_chunks['where'][] = '';
					} elseif ( 1 === $where_count ) {
						$sql_chunks['where'][] = $clause_sql['where'][0];
					} else {
						$sql_chunks['where'][] = '( ' . implode( ' AND ', $clause_sql['where'] ) . ' )';
					}

$sql_chunks['join'] = array_merge( $sql_chunks['join'], $clause_sql['join'] );
					// This is a subquery, so we recurse.
				} else {
					$clause_sql = $this->get_sql_for_query( $clause, $depth + 1 );

$sql_chunks['where'][] = $clause_sql['where'];
					$sql_chunks['join'][]  = $clause_sql['join'];
				}
			}
		}

// Filter to remove empties.
		$sql_chunks['join']  = array_filter( $sql_chunks['join'] );
		$sql_chunks['where'] = array_filter( $sql_chunks['where'] );

if ( empty( $relation ) ) {
			$relation = 'AND';
		}

// Filter duplicate JOIN clauses and combine into a single string.
		if ( ! empty( $sql_chunks['join'] ) ) {
			$sql['join'] = implode( ' ', array_unique( $sql_chunks['join'] ) );
		}

// Generate a single WHERE clause with proper brackets and indentation.
		if ( ! empty( $sql_chunks['where'] ) ) {
			$sql['where'] = '( ' . "\n  " . $indent . implode( ' ' . "\n  " . $indent . $relation . ' ' . "\n  " . $indent, $sql_chunks['where'] ) . "\n" . $indent . ')';
		}

return $sql;
	}

/**
	 * Generate SQL JOIN and WHERE clauses for a first-order query clause.
	 *
	 * "First-order" means that it's an array with a 'key' or 'value'.
	 *
	 * @since 4.1.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param array  $clause       Query clause (passed by reference).
	 * @param array  $parent_query Parent query array.
	 * @param string $clause_key   Optional. The array key used to name the clause in the original `$meta_query`
	 *                             parameters. If not provided, a key will be generated automatically.
	 * @return string[] {
	 *     Array containing JOIN and WHERE SQL clauses to append to a first-order query.
	 *
	 *     @type string $join  SQL fragment to append to the main JOIN clause.
	 *     @type string $where SQL fragment to append to the main WHERE clause.
	 * }
	 */
	public function get_sql_for_clause( &$clause, $parent_query, $clause_key = '' ) {
		global $wpdb;

$sql_chunks = array(
			'where' => array(),
			'join'  => array(),
		);

if ( isset( $clause['compare'] ) ) {
			$clause['compare'] = strtoupper( $clause['compare'] );
		} else {
			$clause['compare'] = isset( $clause['value'] ) && is_array( $clause['value'] ) ? 'IN' : '=';
		}

$non_numeric_operators = array(
			'=',
			'!=',
			'LIKE',
			'NOT LIKE',
			'IN',
			'NOT IN',
			'EXISTS',
			'NOT EXISTS',
			'RLIKE',
			'REGEXP',
			'NOT REGEXP',
		);

$numeric_operators = array(
			'>',
			'>=',
			'<',
			'<=',
			'BETWEEN',
			'NOT BETWEEN',
		);

if ( ! in_array( $clause['compare'], $non_numeric_operators, true ) && ! in_array( $clause['compare'], $numeric_operators, true ) ) {
			$clause['compare'] = '=';
		}

if ( isset( $clause['compare_key'] ) ) {
			$clause['compare_key'] = strtoupper( $clause['compare_key'] );
		} else {
			$clause['compare_key'] = isset( $clause['key'] ) && is_array( $clause['key'] ) ? 'IN' : '=';
		}

if ( ! in_array( $clause['compare_key'], $non_numeric_operators, true ) ) {
			$clause['compare_key'] = '=';
		}

$meta_compare     = $clause['compare'];
		$meta_compare_key = $clause['compare_key'];

// First build the JOIN clause, if one is required.
		$join = '';

// We prefer to avoid joins if possible. Look for an existing join compatible with this clause.
		$alias = $this->find_compatible_table_alias( $clause, $parent_query );
		if ( false === $alias ) {
			$i     = count( $this->table_aliases );
			$alias = $i ? 'mt' . $i : $this->meta_table;

// JOIN clauses for NOT EXISTS have their own syntax.
			if ( 'NOT EXISTS' === $meta_compare ) {
				$join .= " LEFT JOIN $this->meta_table";
				$join .= $i ? " AS $alias" : '';

if ( 'LIKE' === $meta_compare_key ) {
					$join .= $wpdb->prepare( " ON ( $this->primary_table.$this->primary_id_column = $alias.$this->meta_id_column AND $alias.meta_key LIKE %s )", '%' . $wpdb->esc_like( $clause['key'] ) . '%' );
				} else {
					$join .= $wpdb->prepare( " ON ( $this->primary_table.$this->primary_id_column = $alias.$this->meta_id_column AND $alias.meta_key = %s )", $clause['key'] );
				}

// All other JOIN clauses.
			} else {
				$join .= " INNER JOIN $this->meta_table";
				$join .= $i ? " AS $alias" : '';
				$join .= " ON ( $this->primary_table.$this->primary_id_column = $alias.$this->meta_id_column )";
			}

$this->table_aliases[] = $alias;
			$sql_chunks['join'][]  = $join;
		}

// Save the alias to this clause, for future siblings to find.
		$clause['alias'] = $alias;

// Determine the data type.
		$_meta_type     = isset( $clause['type'] ) ? $clause['type'] : '';
		$meta_type      = $this->get_cast_for_type( $_meta_type );
		$clause['cast'] = $meta_type;

// Fallback for clause keys is the table alias. Key must be a string.
		if ( is_int( $clause_key ) || ! $clause_key ) {
			$clause_key = $clause['alias'];
		}

// Ensure unique clause keys, so none are overwritten.
		$iterator        = 1;
		$clause_key_base = $clause_key;
		while ( isset( $this->clauses[ $clause_key ] ) ) {
			$clause_key = $clause_key_base . '-' . $iterator;
			$iterator++;
		}

// Store the clause in our flat array.
		$this->clauses[ $clause_key ] =& $clause;

// Next, build the WHERE clause.

// meta_key.
		if ( array_key_exists( 'key', $clause ) ) {
			if ( 'NOT EXISTS' === $meta_compare ) {
				$sql_chunks['where'][] = $alias . '.' . $this->meta_id_column . ' IS NULL';
			} else {
				/**
				 * In joined clauses negative operators have to be nested into a
				 * NOT EXISTS clause and flipped, to avoid returning records with
				 * matching post IDs but different meta keys. Here we prepare the
				 * nested clause.
				 */
				if ( in_array( $meta_compare_key, array( '!=', 'NOT IN', 'NOT LIKE', 'NOT EXISTS', 'NOT REGEXP' ), true ) ) {
					// Negative clauses may be reused.
					$i                     = count( $this->table_aliases );
					$subquery_alias        = $i ? 'mt' . $i : $this->meta_table;
					$this->table_aliases[] = $subquery_alias;

$meta_compare_string_start  = 'NOT EXISTS (';
					$meta_compare_string_start .= "SELECT 1 FROM $wpdb->postmeta $subquery_alias ";
					$meta_compare_string_start .= "WHERE $subquery_alias.post_ID = $alias.post_ID ";
					$meta_compare_string_end    = 'LIMIT 1';
					$meta_compare_string_end   .= ')';
				}

switch ( $meta_compare_key ) {
					case '=':
					case 'EXISTS':
						$where = $wpdb->prepare( "$alias.meta_key = %s", trim( $clause['key'] ) ); // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
						break;
					case 'LIKE':
						$meta_compare_value = '%' . $wpdb->esc_like( trim( $clause['key'] ) ) . '%';
						$where              = $wpdb->prepare( "$alias.meta_key LIKE %s", $meta_compare_value ); // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
						break;
					case 'IN':
						$meta_compare_string = "$alias.meta_key IN (" . substr( str_repeat( ',%s', count( $clause['key'] ) ), 1 ) . ')';
						$where               = $wpdb->prepare( $meta_compare_string, $clause['key'] ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
						break;
					case 'RLIKE':
					case 'REGEXP':
						$operator = $meta_compare_key;
						if ( isset( $clause['type_key'] ) && 'BINARY' === strtoupper( $clause['type_key'] ) ) {
							$cast = 'BINARY';
						} else {
							$cast = '';
						}
						$where = $wpdb->prepare( "$alias.meta_key $operator $cast %s", trim( $clause['key'] ) ); // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
						break;

case '!=':
					case 'NOT EXISTS':
						$meta_compare_string = $meta_compare_string_start . "AND $subquery_alias.meta_key = %s " . $meta_compare_string_end;
						$where               = $wpdb->prepare( $meta_compare_string, $clause['key'] ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
						break;
					case 'NOT LIKE':
						$meta_compare_string = $meta_compare_string_start . "AND $subquery_alias.meta_key LIKE %s " . $meta_compare_string_end;

$meta_compare_value = '%' . $wpdb->esc_like( trim( $clause['key'] ) ) . '%';
						$where              = $wpdb->prepare( $meta_compare_string, $meta_compare_value ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
						break;
					case 'NOT IN':
						$array_subclause     = '(' . substr( str_repeat( ',%s', count( $clause['key'] ) ), 1 ) . ') ';
						$meta_compare_string = $meta_compare_string_start . "AND $subquery_alias.meta_key IN " . $array_subclause . $meta_compare_string_end;
						$where               = $wpdb->prepare( $meta_compare_string, $clause['key'] ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
						break;
					case 'NOT REGEXP':
						$operator = $meta_compare_key;
						if ( isset( $clause['type_key'] ) && 'BINARY' === strtoupper( $clause['type_key'] ) ) {
							$cast = 'BINARY';
						} else {
							$cast = '';
						}

$meta_compare_string = $meta_compare_string_start . "AND $subquery_alias.meta_key REGEXP $cast %s " . $meta_compare_string_end;
						$where               = $wpdb->prepare( $meta_compare_string, $clause['key'] ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
						break;
				}

$sql_chunks['where'][] = $where;
			}
		}

// meta_value.
		if ( array_key_exists( 'value', $clause ) ) {
			$meta_value = $clause['value'];

if ( in_array( $meta_compare, array( 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN' ), true ) ) {
				if ( ! is_array( $meta_value ) ) {
					$meta_value = preg_split( '/[,\s]+/', $meta_value );
				}
			} elseif ( is_string( $meta_value ) ) {
				$meta_value = trim( $meta_value );
			}

switch ( $meta_compare ) {
				case 'IN':
				case 'NOT IN':
					$meta_compare_string = '(' . substr( str_repeat( ',%s', count( $meta_value ) ), 1 ) . ')';
					$where               = $wpdb->prepare( $meta_compare_string, $meta_value );
					break;

case 'BETWEEN':
				case 'NOT BETWEEN':
					$where = $wpdb->prepare( '%s AND %s', $meta_value[0], $meta_value[1] );
					break;

case 'LIKE':
				case 'NOT LIKE':
					$meta_value = '%' . $wpdb->esc_like( $meta_value ) . '%';
					$where      = $wpdb->prepare( '%s', $meta_value );
					break;

// EXISTS with a value is interpreted as '='.
				case 'EXISTS':
					$meta_compare = '=';
					$where        = $wpdb->prepare( '%s', $meta_value );
					break;

// 'value' is ignored for NOT EXISTS.
				case 'NOT EXISTS':
					$where = '';
					break;

default:
					$where = $wpdb->prepare( '%s', $meta_value );
					break;

}

if ( $where ) {
				if ( 'CHAR' === $meta_type ) {
					$sql_chunks['where'][] = "$alias.meta_value {$meta_compare} {$where}";
				} else {
					$sql_chunks['where'][] = "CAST($alias.meta_value AS {$meta_type}) {$meta_compare} {$where}";
				}
			}
		}

/*
		 * Multiple WHERE clauses (for meta_key and meta_value) should
		 * be joined in parentheses.
		 */
		if ( 1 < count( $sql_chunks['where'] ) ) {
			$sql_chunks['where'] = array( '( ' . implode( ' AND ', $sql_chunks['where'] ) . ' )' );
		}

return $sql_chunks;
	}

/**
	 * Get a flattened list of sanitized meta clauses.
	 *
	 * This array should be used for clause lookup, as when the table alias and CAST type must be determined for
	 * a value of 'orderby' corresponding to a meta clause.
	 *
	 * @since 4.2.0
	 *
	 * @return array Meta clauses.
	 */
	public function get_clauses() {
		return $this->clauses;
	}

/**
	 * Identify an existing table alias that is compatible with the current
	 * query clause.
	 *
	 * We avoid unnecessary table joins by allowing each clause to look for
	 * an existing table alias that is compatible with the query that it
	 * needs to perform.
	 *
	 * An existing alias is compatible if (a) it is a sibling of `$clause`
	 * (ie, it's under the scope of the same relation), and (b) the combination
	 * of operator and relation between the clauses allows for a shared table join.
	 * In the case of WP_Meta_Query, this only applies to 'IN' clauses that are
	 * connected by the relation 'OR'.
	 *
	 * @since 4.1.0
	 *
	 * @param array $clause       Query clause.
	 * @param array $parent_query Parent query of $clause.
	 * @return string|false Table alias if found, otherwise false.
	 */
	protected function find_compatible_table_alias( $clause, $parent_query ) {
		$alias = false;

foreach ( $parent_query as $sibling ) {
			// If the sibling has no alias yet, there's nothing to check.
			if ( empty( $sibling['alias'] ) ) {
				continue;
			}

// We're only interested in siblings that are first-order clauses.
			if ( ! is_array( $sibling ) || ! $this->is_first_order_clause( $sibling ) ) {
				continue;
			}

$compatible_compares = array();

// Clauses connected by OR can share joins as long as they have "positive" operators.
			if ( 'OR' === $parent_query['relation'] ) {
				$compatible_compares = array( '=', 'IN', 'BETWEEN', 'LIKE', 'REGEXP', 'RLIKE', '>', '>=', '<', '<=' );

// Clauses joined by AND with "negative" operators share a join only if they also share a key.
			} elseif ( isset( $sibling['key'] ) && isset( $clause['key'] ) && $sibling['key'] === $clause['key'] ) {
				$compatible_compares = array( '!=', 'NOT IN', 'NOT LIKE' );
			}

$clause_compare  = strtoupper( $clause['compare'] );
			$sibling_compare = strtoupper( $sibling['compare'] );
			if ( in_array( $clause_compare, $compatible_compares, true ) && in_array( $sibling_compare, $compatible_compares, true ) ) {
				$alias = preg_replace( '/\W/', '_', $sibling['alias'] );
				break;
			}
		}

/**
		 * Filters the table alias identified as compatible with the current clause.
		 *
		 * @since 4.1.0
		 *
		 * @param string|false  $alias        Table alias, or false if none was found.
		 * @param array         $clause       First-order query clause.
		 * @param array         $parent_query Parent of $clause.
		 * @param WP_Meta_Query $query        WP_Meta_Query object.
		 */
		return apply_filters( 'meta_query_find_compatible_table_alias', $alias, $clause, $parent_query, $this );
	}

/**
	 * Checks whether the current query has any OR relations.
	 *
	 * In some cases, the presence of an OR relation somewhere in the query will require
	 * the use of a `DISTINCT` or `GROUP BY` keyword in the `SELECT` clause. The current
	 * method can be used in these cases to determine whether such a clause is necessary.
	 *
	 * @since 4.3.0
	 *
	 * @return bool True if the query contains any `OR` relations, otherwise false.
	 */
	public function has_or_relation() {
		return $this->has_or_relation;
	}
}

Nama File / Folder	Size	Action
ID3	--	NONE
IXR	--	NONE
PHPMailer	--	NONE
Requests	--	NONE
SimplePie	--	NONE
Text	--	NONE
assets	--	NONE
block-patterns	--	NONE
block-supports	--	NONE
blocks	--	NONE
certificates	--	NONE
css	--	NONE
customize	--	NONE
fonts	--	NONE
images	--	NONE
js	--	NONE
php-compat	--	NONE
pomo	--	NONE
random_compat	--	NONE
rest-api	--	NONE
sitemaps	--	NONE
sodium_compat	--	NONE
theme-compat	--	NONE
widgets	--	NONE
admin-bar.php	32.69KB	Hapus Edit Rename
atomlib.php	11.668KB	Hapus Edit Rename
author-template.php	16.631KB	Hapus Edit Rename
block-editor.php	18.371KB	Hapus Edit Rename
block-i18n.json	0.309KB	Hapus Edit Rename
block-patterns.php	4.191KB	Hapus Edit Rename
block-template-utils.php	29.572KB	Hapus Edit Rename
block-template.php	10.521KB	Hapus Edit Rename
blocks.php	42.222KB	Hapus Edit Rename
bookmark-template.php	12.598KB	Hapus Edit Rename
bookmark.php	14.973KB	Hapus Edit Rename
cache-compat.php	1.021KB	Hapus Edit Rename
cache.php	9.29KB	Hapus Edit Rename
canonical.php	32.31KB	Hapus Edit Rename
capabilities.php	34.884KB	Hapus Edit Rename
category-template.php	54.396KB	Hapus Edit Rename
category.php	12.414KB	Hapus Edit Rename
class-IXR.php	2.483KB	Hapus Edit Rename
class-feed.php	0.517KB	Hapus Edit Rename
class-http.php	0.364KB	Hapus Edit Rename
class-json.php	42.423KB	Hapus Edit Rename
class-oembed.php	0.397KB	Hapus Edit Rename
class-phpass.php	6.542KB	Hapus Edit Rename
class-phpmailer.php	0.648KB	Hapus Edit Rename
class-pop3.php	20.349KB	Hapus Edit Rename
class-requests.php	29.718KB	Hapus Edit Rename
class-simplepie.php	95.781KB	Hapus Edit Rename
class-smtp.php	0.446KB	Hapus Edit Rename
class-snoopy.php	36.831KB	Hapus Edit Rename
class-walker-category-dropdown.php	2.412KB	Hapus Edit Rename
class-walker-category.php	8.27KB	Hapus Edit Rename
class-walker-comment.php	13.878KB	Hapus Edit Rename
class-walker-nav-menu.php	9.13KB	Hapus Edit Rename
class-walker-page-dropdown.php	2.646KB	Hapus Edit Rename
class-walker-page.php	7.421KB	Hapus Edit Rename
class-wp-admin-bar.php	17.052KB	Hapus Edit Rename
class-wp-ajax-response.php	5.117KB	Hapus Edit Rename
class-wp-application-passwords.php	11.948KB	Hapus Edit Rename
class-wp-block-editor-context.php	0.869KB	Hapus Edit Rename
class-wp-block-list.php	4.612KB	Hapus Edit Rename
class-wp-block-parser.php	14.861KB	Hapus Edit Rename
class-wp-block-pattern-categories-registry.php	4.431KB	Hapus Edit Rename
class-wp-block-patterns-registry.php	5.796KB	Hapus Edit Rename
class-wp-block-styles-registry.php	4.882KB	Hapus Edit Rename
class-wp-block-supports.php	5.172KB	Hapus Edit Rename
class-wp-block-template.php	1.773KB	Hapus Edit Rename
class-wp-block-type-registry.php	4.533KB	Hapus Edit Rename
class-wp-block-type.php	9.27KB	Hapus Edit Rename
class-wp-block.php	7.991KB	Hapus Edit Rename
class-wp-comment-query.php	46.334KB	Hapus Edit Rename
class-wp-comment.php	9.103KB	Hapus Edit Rename
class-wp-customize-control.php	25.108KB	Hapus Edit Rename
class-wp-customize-manager.php	196.558KB	Hapus Edit Rename
class-wp-customize-nav-menus.php	55.448KB	Hapus Edit Rename
class-wp-customize-panel.php	10.192KB	Hapus Edit Rename
class-wp-customize-section.php	10.716KB	Hapus Edit Rename
class-wp-customize-setting.php	29.082KB	Hapus Edit Rename
class-wp-customize-widgets.php	69.517KB	Hapus Edit Rename
class-wp-date-query.php	34.173KB	Hapus Edit Rename
class-wp-dependency.php	2.452KB	Hapus Edit Rename
class-wp-editor.php	69.537KB	Hapus Edit Rename
class-wp-embed.php	15.567KB	Hapus Edit Rename
class-wp-error.php	7.131KB	Hapus Edit Rename
class-wp-fatal-error-handler.php	7.397KB	Hapus Edit Rename
class-wp-feed-cache-transient.php	2.5KB	Hapus Edit Rename
class-wp-feed-cache.php	0.947KB	Hapus Edit Rename
class-wp-hook.php	15.323KB	Hapus Edit Rename
class-wp-http-cookie.php	7.213KB	Hapus Edit Rename
class-wp-http-curl.php	12.099KB	Hapus Edit Rename
class-wp-http-encoding.php	6.507KB	Hapus Edit Rename
class-wp-http-ixr-client.php	3.394KB	Hapus Edit Rename
class-wp-http-proxy.php	5.82KB	Hapus Edit Rename
class-wp-http-requests-hooks.php	1.938KB	Hapus Edit Rename
class-wp-http-requests-response.php	4.241KB	Hapus Edit Rename
class-wp-http-response.php	2.882KB	Hapus Edit Rename
class-wp-http-streams.php	16.259KB	Hapus Edit Rename
class-wp-http.php	38.974KB	Hapus Edit Rename
class-wp-image-editor-gd.php	15.295KB	Hapus Edit Rename
class-wp-image-editor-imagick.php	26.329KB	Hapus Edit Rename
class-wp-image-editor.php	16.262KB	Hapus Edit Rename
class-wp-list-util.php	6.825KB	Hapus Edit Rename
class-wp-locale-switcher.php	4.904KB	Hapus Edit Rename
class-wp-locale.php	13.654KB	Hapus Edit Rename
class-wp-matchesmapregex.php	1.758KB	Hapus Edit Rename
class-wp-meta-query.php	29.471KB	Hapus Edit Rename
class-wp-metadata-lazyloader.php	5.227KB	Hapus Edit Rename
class-wp-network-query.php	18.722KB	Hapus Edit Rename
class-wp-network.php	12.089KB	Hapus Edit Rename
class-wp-object-cache.php	13.233KB	Hapus Edit Rename
class-wp-oembed-controller.php	6.667KB	Hapus Edit Rename
class-wp-oembed.php	29.982KB	Hapus Edit Rename
class-wp-paused-extensions-storage.php	4.808KB	Hapus Edit Rename
class-wp-post-type.php	20.72KB	Hapus Edit Rename
class-wp-post.php	6.272KB	Hapus Edit Rename
class-wp-query.php	135.702KB	Hapus Edit Rename
class-wp-recovery-mode-cookie-service.php	6.308KB	Hapus Edit Rename
class-wp-recovery-mode-email-service.php	10.41KB	Hapus Edit Rename
class-wp-recovery-mode-key-service.php	4.17KB	Hapus Edit Rename
class-wp-recovery-mode-link-service.php	3.321KB	Hapus Edit Rename
class-wp-recovery-mode.php	11.111KB	Hapus Edit Rename
class-wp-rewrite.php	61.486KB	Hapus Edit Rename
class-wp-role.php	2.439KB	Hapus Edit Rename
class-wp-roles.php	8.236KB	Hapus Edit Rename
class-wp-session-tokens.php	7.251KB	Hapus Edit Rename
class-wp-simplepie-file.php	3.183KB	Hapus Edit Rename
class-wp-simplepie-sanitize-kses.php	1.733KB	Hapus Edit Rename
class-wp-site-query.php	29.648KB	Hapus Edit Rename
class-wp-site.php	7.254KB	Hapus Edit Rename
class-wp-tax-query.php	18.993KB	Hapus Edit Rename
class-wp-taxonomy.php	13.409KB	Hapus Edit Rename
class-wp-term-query.php	37.178KB	Hapus Edit Rename
class-wp-term.php	5.148KB	Hapus Edit Rename
class-wp-text-diff-renderer-inline.php	0.699KB	Hapus Edit Rename
class-wp-text-diff-renderer-table.php	16.401KB	Hapus Edit Rename
class-wp-theme-json-resolver.php	14.063KB	Hapus Edit Rename
class-wp-theme-json-schema.php	4.195KB	Hapus Edit Rename
class-wp-theme-json.php	61.309KB	Hapus Edit Rename
class-wp-theme.php	52.563KB	Hapus Edit Rename
class-wp-user-meta-session-tokens.php	2.92KB	Hapus Edit Rename
class-wp-user-query.php	37.177KB	Hapus Edit Rename
class-wp-user-request.php	2.145KB	Hapus Edit Rename
class-wp-user.php	21.702KB	Hapus Edit Rename
class-wp-walker.php	12.707KB	Hapus Edit Rename
class-wp-widget-factory.php	3.243KB	Hapus Edit Rename
class-wp-widget.php	17.723KB	Hapus Edit Rename
class-wp-xmlrpc-server.php	207.944KB	Hapus Edit Rename
class-wp.php	24.67KB	Hapus Edit Rename
class.wp-dependencies.php	13.68KB	Hapus Edit Rename
class.wp-scripts.php	18.5KB	Hapus Edit Rename
class.wp-styles.php	10.626KB	Hapus Edit Rename
comment-template.php	93.813KB	Hapus Edit Rename
comment.php	123.567KB	Hapus Edit Rename
compat.php	14.524KB	Hapus Edit Rename
cron.php	39.899KB	Hapus Edit Rename
date.php	0.396KB	Hapus Edit Rename
default-constants.php	10.017KB	Hapus Edit Rename
default-filters.php	30.728KB	Hapus Edit Rename
default-widgets.php	2.17KB	Hapus Edit Rename
deprecated.php	121.944KB	Hapus Edit Rename
embed-template.php	0.333KB	Hapus Edit Rename
embed.php	36.05KB	Hapus Edit Rename
error-protection.php	4.021KB	Hapus Edit Rename
feed-atom-comments.php	5.316KB	Hapus Edit Rename
feed-atom.php	2.977KB	Hapus Edit Rename
feed-rdf.php	2.605KB	Hapus Edit Rename
feed-rss.php	1.161KB	Hapus Edit Rename
feed-rss2-comments.php	3.975KB	Hapus Edit Rename
feed-rss2.php	3.71KB	Hapus Edit Rename
feed.php	22.428KB	Hapus Edit Rename
formatting.php	318.689KB	Hapus Edit Rename
functions.php	251.333KB	Hapus Edit Rename
functions.wp-scripts.php	13.121KB	Hapus Edit Rename
functions.wp-styles.php	8.37KB	Hapus Edit Rename
general-template.php	155.356KB	Hapus Edit Rename
global-styles-and-settings.php	6.21KB	Hapus Edit Rename
http.php	22.463KB	Hapus Edit Rename
https-detection.php	6.701KB	Hapus Edit Rename
https-migration.php	4.619KB	Hapus Edit Rename
kses.php	67.492KB	Hapus Edit Rename
l10n.php	57.655KB	Hapus Edit Rename
link-template.php	145.705KB	Hapus Edit Rename
load.php	49.001KB	Hapus Edit Rename
locale.php	0.158KB	Hapus Edit Rename
media-template.php	58.967KB	Hapus Edit Rename
media.php	180.748KB	Hapus Edit Rename
meta.php	61.213KB	Hapus Edit Rename
ms-blogs.php	24.584KB	Hapus Edit Rename
ms-default-constants.php	4.652KB	Hapus Edit Rename
ms-default-filters.php	6.35KB	Hapus Edit Rename
ms-deprecated.php	20.634KB	Hapus Edit Rename
ms-files.php	2.592KB	Hapus Edit Rename
ms-functions.php	91.922KB	Hapus Edit Rename
ms-load.php	19.322KB	Hapus Edit Rename
ms-network.php	3.575KB	Hapus Edit Rename
ms-settings.php	4.027KB	Hapus Edit Rename
ms-site.php	38.679KB	Hapus Edit Rename
nav-menu-template.php	22.75KB	Hapus Edit Rename
nav-menu.php	41.552KB	Hapus Edit Rename
option.php	75.102KB	Hapus Edit Rename
pluggable-deprecated.php	6.116KB	Hapus Edit Rename
pluggable.php	101.957KB	Hapus Edit Rename
plugin.php	33.414KB	Hapus Edit Rename
post-formats.php	6.913KB	Hapus Edit Rename
post-template.php	63.328KB	Hapus Edit Rename
post-thumbnail-template.php	10.633KB	Hapus Edit Rename
post.php	268.666KB	Hapus Edit Rename
query.php	34.944KB	Hapus Edit Rename
registration-functions.php	0.195KB	Hapus Edit Rename
registration.php	0.195KB	Hapus Edit Rename
rest-api.php	93.053KB	Hapus Edit Rename
revision.php	22.933KB	Hapus Edit Rename
rewrite.php	18.763KB	Hapus Edit Rename
robots-template.php	5.052KB	Hapus Edit Rename
rss-functions.php	0.249KB	Hapus Edit Rename
rss.php	22.439KB	Hapus Edit Rename
script-loader.php	110.872KB	Hapus Edit Rename
session.php	0.252KB	Hapus Edit Rename
shortcodes.php	20.93KB	Hapus Edit Rename
sitemaps.php	3.162KB	Hapus Edit Rename
spl-autoload-compat.php	0.431KB	Hapus Edit Rename
taxonomy.php	167.623KB	Hapus Edit Rename
template-canvas.php	0.578KB	Hapus Edit Rename
template-loader.php	2.941KB	Hapus Edit Rename
template.php	21.958KB	Hapus Edit Rename
theme-i18n.json	0.903KB	Hapus Edit Rename
theme-templates.php	5.404KB	Hapus Edit Rename
theme.json	5.602KB	Hapus Edit Rename
theme.php	124.052KB	Hapus Edit Rename
update.php	29.338KB	Hapus Edit Rename
user.php	157.788KB	Hapus Edit Rename
vars.php	5.68KB	Hapus Edit Rename
version.php	0.937KB	Hapus Edit Rename
widgets.php	67.579KB	Hapus Edit Rename
wlwmanifest.xml	1.021KB	Hapus Edit Rename
wp-db.php	106.221KB	Hapus Edit Rename
wp-diff.php	0.632KB	Hapus Edit Rename

wordpress – Só mais um site WordPress

wordpress

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Boas-vindas ao WordPress. Esse é o seu primeiro post. Edite-o ou exclua-o, e então comece a escrever!

fevereiro 25, 2026

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