/**
* 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
*/
#[AllowDynamicProperties]
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 );
}
/**
* Ensures 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;
}
/**
* Determines 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 );
}
/**
* Returns 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`.
* Default null.
* @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 ( str_contains( $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 ) );
}
/**
* Generates 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;
}
/**
* Generates 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;
}
/**
* Generates 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.
* Default empty string.
* @return array {
* Array containing JOIN and WHERE SQL clauses to append to a first-order query.
*
* @type string[] $join Array of SQL fragments to append to the main JOIN clause.
* @type string[] $where Array of SQL fragments to append to the main WHERE clause.
* }
*/
public function get_sql_for_clause( &$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';
$meta_key = "CAST($alias.meta_key AS BINARY)";
} else {
$cast = '';
$meta_key = "$alias.meta_key";
}
$where = $wpdb->prepare( "$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';
$meta_key = "CAST($subquery_alias.meta_key AS BINARY)";
} else {
$cast = '';
$meta_key = "$subquery_alias.meta_key";
}
$meta_compare_string = $meta_compare_string_start . "AND $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;
}
/**
* Gets 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 $this->clauses;
}
/**
* Identifies an existing table alias that is compatible with the current
* query clause.
*
* We avoid unnecessary table joins by allowing each clause to look for
* an existing table alias that is compatible with the query that it
* needs to perform.
*
* An existing alias is compatible if (a) it is a sibling of `$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;
}
}
/**
* Locale API: WP_Locale class
*
* @package WordPress
* @subpackage i18n
* @since 4.6.0
*/
/**
* Core class used to store translated data for a locale.
*
* @since 2.1.0
* @since 4.6.0 Moved to its own file from wp-includes/locale.php.
*/
#[AllowDynamicProperties]
class WP_Locale {
/**
* Stores the translated strings for the full weekday names.
*
* @since 2.1.0
* @since 6.2.0 Initialized to an empty array.
* @var string[]
*/
public $weekday = array();
/**
* Stores the translated strings for the one character weekday names.
*
* There is a hack to make sure that Tuesday and Thursday, as well
* as Sunday and Saturday, don't conflict. See init() method for more.
*
* @see WP_Locale::init() for how to handle the hack.
*
* @since 2.1.0
* @since 6.2.0 Initialized to an empty array.
* @var string[]
*/
public $weekday_initial = array();
/**
* Stores the translated strings for the abbreviated weekday names.
*
* @since 2.1.0
* @since 6.2.0 Initialized to an empty array.
* @var string[]
*/
public $weekday_abbrev = array();
/**
* Stores the translated strings for the full month names.
*
* @since 2.1.0
* @since 6.2.0 Initialized to an empty array.
* @var string[]
*/
public $month = array();
/**
* Stores the translated strings for the month names in genitive case, if the locale specifies.
*
* @since 4.4.0
* @since 6.2.0 Initialized to an empty array.
* @var string[]
*/
public $month_genitive = array();
/**
* Stores the translated strings for the abbreviated month names.
*
* @since 2.1.0
* @since 6.2.0 Initialized to an empty array.
* @var string[]
*/
public $month_abbrev = array();
/**
* Stores the translated strings for 'am' and 'pm'.
*
* Also the capitalized versions.
*
* @since 2.1.0
* @since 6.2.0 Initialized to an empty array.
* @var string[]
*/
public $meridiem = array();
/**
* The text direction of the locale language.
*
* Default is left to right 'ltr'.
*
* @since 2.1.0
* @var string
*/
public $text_direction = 'ltr';
/**
* The thousands separator and decimal point values used for localizing numbers.
*
* @since 2.3.0
* @since 6.2.0 Initialized to an empty array.
* @var array
*/
public $number_format = array();
/**
* The separator string used for localizing list item separator.
*
* @since 6.0.0
* @var string
*/
public $list_item_separator;
/**
* The word count type of the locale language.
*
* Default is 'words'.
*
* @since 6.2.0
* @var string
*/
public $word_count_type;
/**
* Constructor which calls helper methods to set up object variables.
*
* @since 2.1.0
*/
public function __construct() {
$this->init();
$this->register_globals();
}
/**
* Sets up the translated strings and object properties.
*
* The method creates the translatable strings for various
* calendar elements. Which allows for specifying locale
* specific calendar names and text direction.
*
* @since 2.1.0
*
* @global string $text_direction
*/
public function init() {
// The weekdays.
$this->weekday[0] = /* translators: Weekday. */ __( 'Sunday' );
$this->weekday[1] = /* translators: Weekday. */ __( 'Monday' );
$this->weekday[2] = /* translators: Weekday. */ __( 'Tuesday' );
$this->weekday[3] = /* translators: Weekday. */ __( 'Wednesday' );
$this->weekday[4] = /* translators: Weekday. */ __( 'Thursday' );
$this->weekday[5] = /* translators: Weekday. */ __( 'Friday' );
$this->weekday[6] = /* translators: Weekday. */ __( 'Saturday' );
// The first letter of each day.
$this->weekday_initial[ $this->weekday[0] ] = /* translators: One-letter abbreviation of the weekday. */ _x( 'S', 'Sunday initial' );
$this->weekday_initial[ $this->weekday[1] ] = /* translators: One-letter abbreviation of the weekday. */ _x( 'M', 'Monday initial' );
$this->weekday_initial[ $this->weekday[2] ] = /* translators: One-letter abbreviation of the weekday. */ _x( 'T', 'Tuesday initial' );
$this->weekday_initial[ $this->weekday[3] ] = /* translators: One-letter abbreviation of the weekday. */ _x( 'W', 'Wednesday initial' );
$this->weekday_initial[ $this->weekday[4] ] = /* translators: One-letter abbreviation of the weekday. */ _x( 'T', 'Thursday initial' );
$this->weekday_initial[ $this->weekday[5] ] = /* translators: One-letter abbreviation of the weekday. */ _x( 'F', 'Friday initial' );
$this->weekday_initial[ $this->weekday[6] ] = /* translators: One-letter abbreviation of the weekday. */ _x( 'S', 'Saturday initial' );
// Abbreviations for each day.
$this->weekday_abbrev[ $this->weekday[0] ] = /* translators: Three-letter abbreviation of the weekday. */ __( 'Sun' );
$this->weekday_abbrev[ $this->weekday[1] ] = /* translators: Three-letter abbreviation of the weekday. */ __( 'Mon' );
$this->weekday_abbrev[ $this->weekday[2] ] = /* translators: Three-letter abbreviation of the weekday. */ __( 'Tue' );
$this->weekday_abbrev[ $this->weekday[3] ] = /* translators: Three-letter abbreviation of the weekday. */ __( 'Wed' );
$this->weekday_abbrev[ $this->weekday[4] ] = /* translators: Three-letter abbreviation of the weekday. */ __( 'Thu' );
$this->weekday_abbrev[ $this->weekday[5] ] = /* translators: Three-letter abbreviation of the weekday. */ __( 'Fri' );
$this->weekday_abbrev[ $this->weekday[6] ] = /* translators: Three-letter abbreviation of the weekday. */ __( 'Sat' );
// The months.
$this->month['01'] = /* translators: Month name. */ __( 'January' );
$this->month['02'] = /* translators: Month name. */ __( 'February' );
$this->month['03'] = /* translators: Month name. */ __( 'March' );
$this->month['04'] = /* translators: Month name. */ __( 'April' );
$this->month['05'] = /* translators: Month name. */ __( 'May' );
$this->month['06'] = /* translators: Month name. */ __( 'June' );
$this->month['07'] = /* translators: Month name. */ __( 'July' );
$this->month['08'] = /* translators: Month name. */ __( 'August' );
$this->month['09'] = /* translators: Month name. */ __( 'September' );
$this->month['10'] = /* translators: Month name. */ __( 'October' );
$this->month['11'] = /* translators: Month name. */ __( 'November' );
$this->month['12'] = /* translators: Month name. */ __( 'December' );
// The months, genitive.
$this->month_genitive['01'] = /* translators: Month name, genitive. */ _x( 'January', 'genitive' );
$this->month_genitive['02'] = /* translators: Month name, genitive. */ _x( 'February', 'genitive' );
$this->month_genitive['03'] = /* translators: Month name, genitive. */ _x( 'March', 'genitive' );
$this->month_genitive['04'] = /* translators: Month name, genitive. */ _x( 'April', 'genitive' );
$this->month_genitive['05'] = /* translators: Month name, genitive. */ _x( 'May', 'genitive' );
$this->month_genitive['06'] = /* translators: Month name, genitive. */ _x( 'June', 'genitive' );
$this->month_genitive['07'] = /* translators: Month name, genitive. */ _x( 'July', 'genitive' );
$this->month_genitive['08'] = /* translators: Month name, genitive. */ _x( 'August', 'genitive' );
$this->month_genitive['09'] = /* translators: Month name, genitive. */ _x( 'September', 'genitive' );
$this->month_genitive['10'] = /* translators: Month name, genitive. */ _x( 'October', 'genitive' );
$this->month_genitive['11'] = /* translators: Month name, genitive. */ _x( 'November', 'genitive' );
$this->month_genitive['12'] = /* translators: Month name, genitive. */ _x( 'December', 'genitive' );
// Abbreviations for each month.
$this->month_abbrev[ $this->month['01'] ] = /* translators: Three-letter abbreviation of the month. */ _x( 'Jan', 'January abbreviation' );
$this->month_abbrev[ $this->month['02'] ] = /* translators: Three-letter abbreviation of the month. */ _x( 'Feb', 'February abbreviation' );
$this->month_abbrev[ $this->month['03'] ] = /* translators: Three-letter abbreviation of the month. */ _x( 'Mar', 'March abbreviation' );
$this->month_abbrev[ $this->month['04'] ] = /* translators: Three-letter abbreviation of the month. */ _x( 'Apr', 'April abbreviation' );
$this->month_abbrev[ $this->month['05'] ] = /* translators: Three-letter abbreviation of the month. */ _x( 'May', 'May abbreviation' );
$this->month_abbrev[ $this->month['06'] ] = /* translators: Three-letter abbreviation of the month. */ _x( 'Jun', 'June abbreviation' );
$this->month_abbrev[ $this->month['07'] ] = /* translators: Three-letter abbreviation of the month. */ _x( 'Jul', 'July abbreviation' );
$this->month_abbrev[ $this->month['08'] ] = /* translators: Three-letter abbreviation of the month. */ _x( 'Aug', 'August abbreviation' );
$this->month_abbrev[ $this->month['09'] ] = /* translators: Three-letter abbreviation of the month. */ _x( 'Sep', 'September abbreviation' );
$this->month_abbrev[ $this->month['10'] ] = /* translators: Three-letter abbreviation of the month. */ _x( 'Oct', 'October abbreviation' );
$this->month_abbrev[ $this->month['11'] ] = /* translators: Three-letter abbreviation of the month. */ _x( 'Nov', 'November abbreviation' );
$this->month_abbrev[ $this->month['12'] ] = /* translators: Three-letter abbreviation of the month. */ _x( 'Dec', 'December abbreviation' );
// The meridiems.
$this->meridiem['am'] = __( 'am' );
$this->meridiem['pm'] = __( 'pm' );
$this->meridiem['AM'] = __( 'AM' );
$this->meridiem['PM'] = __( 'PM' );
/*
* Numbers formatting.
* See https://www.php.net/number_format
*/
/* translators: $thousands_sep argument for https://www.php.net/number_format, default is ',' */
$thousands_sep = __( 'number_format_thousands_sep' );
// Replace space with a non-breaking space to avoid wrapping.
$thousands_sep = str_replace( ' ', ' ', $thousands_sep );
$this->number_format['thousands_sep'] = ( 'number_format_thousands_sep' === $thousands_sep ) ? ',' : $thousands_sep;
/* translators: $dec_point argument for https://www.php.net/number_format, default is '.' */
$decimal_point = __( 'number_format_decimal_point' );
$this->number_format['decimal_point'] = ( 'number_format_decimal_point' === $decimal_point ) ? '.' : $decimal_point;
/* translators: Used between list items, there is a space after the comma. */
$this->list_item_separator = __( ', ' );
// Set text direction.
if ( isset( $GLOBALS['text_direction'] ) ) {
$this->text_direction = $GLOBALS['text_direction'];
/* translators: 'rtl' or 'ltr'. This sets the text direction for WordPress. */
} elseif ( 'rtl' === _x( 'ltr', 'text direction' ) ) {
$this->text_direction = 'rtl';
}
// Set the word count type.
$this->word_count_type = $this->get_word_count_type();
}
/**
* Retrieves the full translated weekday word.
*
* Week starts on translated Sunday and can be fetched
* by using 0 (zero). So the week starts with 0 (zero)
* and ends on Saturday with is fetched by using 6 (six).
*
* @since 2.1.0
*
* @param int $weekday_number 0 for Sunday through 6 Saturday.
* @return string Full translated weekday.
*/
public function get_weekday( $weekday_number ) {
return $this->weekday[ $weekday_number ];
}
/**
* Retrieves the translated weekday initial.
*
* The weekday initial is retrieved by the translated
* full weekday word. When translating the weekday initial
* pay attention to make sure that the starting letter does
* not conflict.
*
* @since 2.1.0
*
* @param string $weekday_name Full translated weekday word.
* @return string Translated weekday initial.
*/
public function get_weekday_initial( $weekday_name ) {
return $this->weekday_initial[ $weekday_name ];
}
/**
* Retrieves the translated weekday abbreviation.
*
* The weekday abbreviation is retrieved by the translated
* full weekday word.
*
* @since 2.1.0
*
* @param string $weekday_name Full translated weekday word.
* @return string Translated weekday abbreviation.
*/
public function get_weekday_abbrev( $weekday_name ) {
return $this->weekday_abbrev[ $weekday_name ];
}
/**
* Retrieves the full translated month by month number.
*
* The $month_number parameter has to be a string
* because it must have the '0' in front of any number
* that is less than 10. Starts from '01' and ends at
* '12'.
*
* You can use an integer instead and it will add the
* '0' before the numbers less than 10 for you.
*
* @since 2.1.0
*
* @param string|int $month_number '01' through '12'.
* @return string Translated full month name.
*/
public function get_month( $month_number ) {
return $this->month[ zeroise( $month_number, 2 ) ];
}
/**
* Retrieves translated version of month abbreviation string.
*
* The $month_name parameter is expected to be the translated or
* translatable version of the month.
*
* @since 2.1.0
*
* @param string $month_name Translated month to get abbreviated version.
* @return string Translated abbreviated month.
*/
public function get_month_abbrev( $month_name ) {
return $this->month_abbrev[ $month_name ];
}
/**
* Retrieves translated version of meridiem string.
*
* The $meridiem parameter is expected to not be translated.
*
* @since 2.1.0
*
* @param string $meridiem Either 'am', 'pm', 'AM', or 'PM'. Not translated version.
* @return string Translated version
*/
public function get_meridiem( $meridiem ) {
return $this->meridiem[ $meridiem ];
}
/**
* Global variables are deprecated.
*
* For backward compatibility only.
*
* @deprecated For backward compatibility only.
*
* @global array $weekday
* @global array $weekday_initial
* @global array $weekday_abbrev
* @global array $month
* @global array $month_abbrev
*
* @since 2.1.0
*/
public function register_globals() {
$GLOBALS['weekday'] = $this->weekday;
$GLOBALS['weekday_initial'] = $this->weekday_initial;
$GLOBALS['weekday_abbrev'] = $this->weekday_abbrev;
$GLOBALS['month'] = $this->month;
$GLOBALS['month_abbrev'] = $this->month_abbrev;
}
/**
* Checks if current locale is RTL.
*
* @since 3.0.0
* @return bool Whether locale is RTL.
*/
public function is_rtl() {
return 'rtl' === $this->text_direction;
}
/**
* Registers date/time format strings for general POT.
*
* Private, unused method to add some date/time formats translated
* on wp-admin/options-general.php to the general POT that would
* otherwise be added to the admin POT.
*
* @since 3.6.0
*/
public function _strings_for_pot() {
/* translators: Localized date format, see https://www.php.net/manual/datetime.format.php */
__( 'F j, Y' );
/* translators: Localized time format, see https://www.php.net/manual/datetime.format.php */
__( 'g:i a' );
/* translators: Localized date and time format, see https://www.php.net/manual/datetime.format.php */
__( 'F j, Y g:i a' );
}
/**
* Retrieves the localized list item separator.
*
* @since 6.0.0
*
* @return string Localized list item separator.
*/
public function get_list_item_separator() {
return $this->list_item_separator;
}
/**
* Retrieves the localized word count type.
*
* @since 6.2.0
*
* @return string Localized word count type. Possible values are `characters_excluding_spaces`,
* `characters_including_spaces`, or `words`. Defaults to `words`.
*/
public function get_word_count_type() {
/*
* translators: If your word count is based on single characters (e.g. East Asian characters),
* enter 'characters_excluding_spaces' or 'characters_including_spaces'. Otherwise, enter 'words'.
* Do not translate into your own language.
*/
$word_count_type = is_null( $this->word_count_type ) ? _x( 'words', 'Word count type. Do not translate!' ) : $this->word_count_type;
// Check for valid types.
if ( 'characters_excluding_spaces' !== $word_count_type && 'characters_including_spaces' !== $word_count_type ) {
// Defaults to 'words'.
$word_count_type = 'words';
}
return $word_count_type;
}
}
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Fatal error: Uncaught Error: Call to a member function set() on null in /home/salamico/public_html/wp-includes/l10n.php:807
Stack trace:
#0 /home/salamico/public_html/wp-includes/l10n.php(901): load_textdomain('default', '/home/salamico/...', 'fa_IR')
#1 /home/salamico/public_html/wp-includes/class-wp-fatal-error-handler.php(47): load_default_textdomain()
#2 [internal function]: WP_Fatal_Error_Handler->handle()
#3 {main}
thrown in /home/salamico/public_html/wp-includes/l10n.php on line 807