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<?php /** * Class for generating SQL clauses that filter a primary query according to date. * * WP_Date_Query is a helper that allows primary query classes, such as WP_Query, to filter * their results by date columns, by generating `WHERE` subclauses to be attached to the * primary SQL query string. * * Attempting to filter by an invalid date value (eg month=13) will generate SQL that will * return no results. In these cases, a _doing_it_wrong() error notice is also thrown. * See WP_Date_Query::validate_date_values(). * * @link https://developer.wordpress.org/reference/classes/wp_query/ * * @since 3.7.0 / #[AllowDynamicProperties] class WP_Date_Query { /* * Array of date queries. * * See WP_Date_Query::__construct() for information on date query arguments. * * @since 3.7.0 * @var array / public $queries = array(); /* * The default relation between top-level queries. Can be either 'AND' or 'OR'. * * @since 3.7.0 * @var string / public $relation = 'AND'; /* * The column to query against. Can be changed via the query arguments. * * @since 3.7.0 * @var string / public $column = 'post_date'; /* * The value comparison operator. Can be changed via the query arguments. * * @since 3.7.0 * @var string / public $compare = '='; /* * Supported time-related parameter keys. * * @since 4.1.0 * @var string[] / public $time_keys = array( 'after', 'before', 'year', 'month', 'monthnum', 'week', 'w', 'dayofyear', 'day', 'dayofweek', 'dayofweek_iso', 'hour', 'minute', 'second' ); /* * Constructor. * * Time-related parameters that normally require integer values ('year', 'month', 'week', 'dayofyear', 'day', * 'dayofweek', 'dayofweek_iso', 'hour', 'minute', 'second') accept arrays of integers for some values of * 'compare'. When 'compare' is 'IN' or 'NOT IN', arrays are accepted; when 'compare' is 'BETWEEN' or 'NOT * BETWEEN', arrays of two valid values are required. See individual argument descriptions for accepted values. * * @since 3.7.0 * @since 4.0.0 The $inclusive logic was updated to include all times within the date range. * @since 4.1.0 Introduced 'dayofweek_iso' time type parameter. * * @param array $date_query { * Array of date query clauses. * * @type array ...$0 { * @type string $column Optional. The column to query against. If undefined, inherits the value of * the `$default_column` parameter. See WP_Date_Query::validate_column() and * the {@see 'date_query_valid_columns'} filter for the list of accepted values. * Default 'post_date'. * @type string $compare Optional. The comparison operator. Accepts '=', '!=', '>', '>=', '<', '<=', * 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN'. Default '='. * @type string $relation Optional. The boolean relationship between the date queries. Accepts 'OR' or 'AND'. * Default 'OR'. * @type array ...$0 { * Optional. An array of first-order clause parameters, or another fully-formed date query. * * @type string\|array $before { * Optional. Date to retrieve posts before. Accepts `strtotime()`-compatible string, * or array of 'year', 'month', 'day' values. * * @type string $year The four-digit year. Default empty. Accepts any four-digit year. * @type string $month Optional when passing array.The month of the year. * Default (string:empty)\|(array:1). Accepts numbers 1-12. * @type string $day Optional when passing array.The day of the month. * Default (string:empty)\|(array:1). Accepts numbers 1-31. * } * @type string\|array $after { * Optional. Date to retrieve posts after. Accepts `strtotime()`-compatible string, * or array of 'year', 'month', 'day' values. * * @type string $year The four-digit year. Accepts any four-digit year. Default empty. * @type string $month Optional when passing array. The month of the year. Accepts numbers 1-12. * Default (string:empty)\|(array:12). * @type string $day Optional when passing array.The day of the month. Accepts numbers 1-31. * Default (string:empty)\|(array:last day of month). * } * @type string $column Optional. Used to add a clause comparing a column other than * the column specified in the top-level `$column` parameter. * See WP_Date_Query::validate_column() and * the {@see 'date_query_valid_columns'} filter for the list * of accepted values. Default is the value of top-level `$column`. * @type string $compare Optional. The comparison operator. Accepts '=', '!=', '>', '>=', * '<', '<=', 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN'. 'IN', * 'NOT IN', 'BETWEEN', and 'NOT BETWEEN'. Comparisons support * arrays in some time-related parameters. Default '='. * @type bool $inclusive Optional. Include results from dates specified in 'before' or * 'after'. Default false. * @type int\|int[] $year Optional. The four-digit year number. Accepts any four-digit year * or an array of years if `$compare` supports it. Default empty. * @type int\|int[] $month Optional. The two-digit month number. Accepts numbers 1-12 or an * array of valid numbers if `$compare` supports it. Default empty. * @type int\|int[] $week Optional. The week number of the year. Accepts numbers 0-53 or an * array of valid numbers if `$compare` supports it. Default empty. * @type int\|int[] $dayofyear Optional. The day number of the year. Accepts numbers 1-366 or an * array of valid numbers if `$compare` supports it. * @type int\|int[] $day Optional. The day of the month. Accepts numbers 1-31 or an array * of valid numbers if `$compare` supports it. Default empty. * @type int\|int[] $dayofweek Optional. The day number of the week. Accepts numbers 1-7 (1 is * Sunday) or an array of valid numbers if `$compare` supports it. * Default empty. * @type int\|int[] $dayofweek_iso Optional. The day number of the week (ISO). Accepts numbers 1-7 * (1 is Monday) or an array of valid numbers if `$compare` supports it. * Default empty. * @type int\|int[] $hour Optional. The hour of the day. Accepts numbers 0-23 or an array * of valid numbers if `$compare` supports it. Default empty. * @type int\|int[] $minute Optional. The minute of the hour. Accepts numbers 0-59 or an array * of valid numbers if `$compare` supports it. Default empty. * @type int\|int[] $second Optional. The second of the minute. Accepts numbers 0-59 or an * array of valid numbers if `$compare` supports it. Default empty. * } * } * } * @param string $default_column Optional. Default column to query against. See WP_Date_Query::validate_column() * and the {@see 'date_query_valid_columns'} filter for the list of accepted values. * Default 'post_date'. / public function __construct( $date_query, $default_column = 'post_date' ) { if ( empty( $date_query ) \|\| ! is_array( $date_query ) ) { return; } if ( isset( $date_query['relation'] ) ) { $this->relation = $this->sanitize_relation( $date_query['relation'] ); } else { $this->relation = 'AND'; } // Support for passing time-based keys in the top level of the $date_query array. if ( ! isset( $date_query[0] ) ) { $date_query = array( $date_query ); } if ( ! empty( $date_query['column'] ) ) { $date_query['column'] = esc_sql( $date_query['column'] ); } else { $date_query['column'] = esc_sql( $default_column ); } $this->column = $this->validate_column( $this->column ); $this->compare = $this->get_compare( $date_query ); $this->queries = $this->sanitize_query( $date_query ); } /* * Recursive-friendly query sanitizer. * * Ensures that each query-level clause has a 'relation' key, and that * each first-order clause contains all the necessary keys from `$defaults`. * * @since 4.1.0 * * @param array $queries * @param array $parent_query * @return array Sanitized queries. / public function sanitize_query( $queries, $parent_query = null ) { $cleaned_query = array(); $defaults = array( 'column' => 'post_date', 'compare' => '=', 'relation' => 'AND', ); // Numeric keys should always have array values. foreach ( $queries as $qkey => $qvalue ) { if ( is_numeric( $qkey ) && ! is_array( $qvalue ) ) { unset( $queries[ $qkey ] ); } } // Each query should have a value for each default key. Inherit from the parent when possible. foreach ( $defaults as $dkey => $dvalue ) { if ( isset( $queries[ $dkey ] ) ) { continue; } if ( isset( $parent_query[ $dkey ] ) ) { $queries[ $dkey ] = $parent_query[ $dkey ]; } else { $queries[ $dkey ] = $dvalue; } } // Validate the dates passed in the query. if ( $this->is_first_order_clause( $queries ) ) { $this->validate_date_values( $queries ); } // Sanitize the relation parameter. $queries['relation'] = $this->sanitize_relation( $queries['relation'] ); foreach ( $queries as $key => $q ) { if ( ! is_array( $q ) \|\| in_array( $key, $this->time_keys, true ) ) { // This is a first-order query. Trust the values and sanitize when building SQL. $cleaned_query[ $key ] = $q; } else { // Any array without a time key is another query, so we recurse. $cleaned_query[] = $this->sanitize_query( $q, $queries ); } } return $cleaned_query; } /* * Determines whether this is a first-order clause. * * Checks to see if the current clause has any time-related keys. * If so, it's first-order. * * @since 4.1.0 * * @param array $query Query clause. * @return bool True if this is a first-order clause. / protected function is_first_order_clause( $query ) { $time_keys = array_intersect( $this->time_keys, array_keys( $query ) ); return ! empty( $time_keys ); } /* * Determines and validates what comparison operator to use. * * @since 3.7.0 * * @param array $query A date query or a date subquery. * @return string The comparison operator. / public function get_compare( $query ) { if ( ! empty( $query['compare'] ) && in_array( $query['compare'], array( '=', '!=', '>', '>=', '<', '<=', 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN' ), true ) ) { return strtoupper( $query['compare'] ); } return $this->compare; } /* * Validates the given date_query values and triggers errors if something is not valid. * * Note that date queries with invalid date ranges are allowed to * continue (though of course no items will be found for impossible dates). * This method only generates debug notices for these cases. * * @since 4.1.0 * * @param array $date_query The date_query array. * @return bool True if all values in the query are valid, false if one or more fail. / public function validate_date_values( $date_query = array() ) { if ( empty( $date_query ) ) { return false; } $valid = true; / * Validate 'before' and 'after' up front, then let the * validation routine continue to be sure that all invalid * values generate errors too. / if ( array_key_exists( 'before', $date_query ) && is_array( $date_query['before'] ) ) { $valid = $this->validate_date_values( $date_query['before'] ); } if ( array_key_exists( 'after', $date_query ) && is_array( $date_query['after'] ) ) { $valid = $this->validate_date_values( $date_query['after'] ); } // Array containing all min-max checks. $min_max_checks = array(); // Days per year. if ( array_key_exists( 'year', $date_query ) ) { / * If a year exists in the date query, we can use it to get the days. * If multiple years are provided (as in a BETWEEN), use the first one. / if ( is_array( $date_query['year'] ) ) { $_year = reset( $date_query['year'] ); } else { $_year = $date_query['year']; } $max_days_of_year = gmdate( 'z', mktime( 0, 0, 0, 12, 31, $_year ) ) + 1; } else { // Otherwise we use the max of 366 (leap-year). $max_days_of_year = 366; } $min_max_checks['dayofyear'] = array( 'min' => 1, 'max' => $max_days_of_year, ); // Days per week. $min_max_checks['dayofweek'] = array( 'min' => 1, 'max' => 7, ); // Days per week. $min_max_checks['dayofweek_iso'] = array( 'min' => 1, 'max' => 7, ); // Months per year. $min_max_checks['month'] = array( 'min' => 1, 'max' => 12, ); // Weeks per year. if ( isset( $_year ) ) { / * If we have a specific year, use it to calculate number of weeks. * Note: the number of weeks in a year is the date in which Dec 28 appears. / $week_count = gmdate( 'W', mktime( 0, 0, 0, 12, 28, $_year ) ); } else { // Otherwise set the week-count to a maximum of 53. $week_count = 53; } $min_max_checks['week'] = array( 'min' => 1, 'max' => $week_count, ); // Days per month. $min_max_checks['day'] = array( 'min' => 1, 'max' => 31, ); // Hours per day. $min_max_checks['hour'] = array( 'min' => 0, 'max' => 23, ); // Minutes per hour. $min_max_checks['minute'] = array( 'min' => 0, 'max' => 59, ); // Seconds per minute. $min_max_checks['second'] = array( 'min' => 0, 'max' => 59, ); // Concatenate and throw a notice for each invalid value. foreach ( $min_max_checks as $key => $check ) { if ( ! array_key_exists( $key, $date_query ) ) { continue; } // Throw a notice for each failing value. foreach ( (array) $date_query[ $key ] as $_value ) { $is_between = $_value >= $check['min'] && $_value <= $check['max']; if ( ! is_numeric( $_value ) \|\| ! $is_between ) { $error = sprintf( / translators: Date query invalid date message. 1: Invalid value, 2: Type of value, 3: Minimum valid value, 4: Maximum valid value. / __( 'Invalid value %1$s for %2$s. Expected value should be between %3$s and %4$s.' ), '<code>' . esc_html( $_value ) . '</code>', '<code>' . esc_html( $key ) . '</code>', '<code>' . esc_html( $check['min'] ) . '</code>', '<code>' . esc_html( $check['max'] ) . '</code>' ); _doing_it_wrong( __CLASS__, $error, '4.1.0' ); $valid = false; } } } // If we already have invalid date messages, don't bother running through checkdate(). if ( ! $valid ) { return $valid; } $day_month_year_error_msg = ''; $day_exists = array_key_exists( 'day', $date_query ) && is_numeric( $date_query['day'] ); $month_exists = array_key_exists( 'month', $date_query ) && is_numeric( $date_query['month'] ); $year_exists = array_key_exists( 'year', $date_query ) && is_numeric( $date_query['year'] ); if ( $day_exists && $month_exists && $year_exists ) { // 1. Checking day, month, year combination. if ( ! wp_checkdate( $date_query['month'], $date_query['day'], $date_query['year'], sprintf( '%s-%s-%s', $date_query['year'], $date_query['month'], $date_query['day'] ) ) ) { $day_month_year_error_msg = sprintf( / translators: 1: Year, 2: Month, 3: Day of month. / __( 'The following values do not describe a valid date: year %1$s, month %2$s, day %3$s.' ), '<code>' . esc_html( $date_query['year'] ) . '</code>', '<code>' . esc_html( $date_query['month'] ) . '</code>', '<code>' . esc_html( $date_query['day'] ) . '</code>' ); $valid = false; } } elseif ( $day_exists && $month_exists ) { / * 2. checking day, month combination * We use 2012 because, as a leap year, it's the most permissive. / if ( ! wp_checkdate( $date_query['month'], $date_query['day'], 2012, sprintf( '2012-%s-%s', $date_query['month'], $date_query['day'] ) ) ) { $day_month_year_error_msg = sprintf( / translators: 1: Month, 2: Day of month. / __( 'The following values do not describe a valid date: month %1$s, day %2$s.' ), '<code>' . esc_html( $date_query['month'] ) . '</code>', '<code>' . esc_html( $date_query['day'] ) . '</code>' ); $valid = false; } } if ( ! empty( $day_month_year_error_msg ) ) { _doing_it_wrong( __CLASS__, $day_month_year_error_msg, '4.1.0' ); } return $valid; } /* * Validates a column name parameter. * * Column names without a table prefix (like 'post_date') are checked against a list of * allowed and known tables, and then, if found, have a table prefix (such as 'wp_posts.') * prepended. Prefixed column names (such as 'wp_posts.post_date') bypass this allowed * check, and are only sanitized to remove illegal characters. * * @since 3.7.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $column The user-supplied column name. * @return string A validated column name value. / public function validate_column( $column ) { global $wpdb; $valid_columns = array( 'post_date', 'post_date_gmt', 'post_modified', 'post_modified_gmt', 'comment_date', 'comment_date_gmt', 'user_registered', 'registered', 'last_updated', ); // Attempt to detect a table prefix. if ( ! str_contains( $column, '.' ) ) { /* * Filters the list of valid date query columns. * * @since 3.7.0 * @since 4.1.0 Added 'user_registered' to the default recognized columns. * @since 4.6.0 Added 'registered' and 'last_updated' to the default recognized columns. * * @param string[] $valid_columns An array of valid date query columns. Defaults * are 'post_date', 'post_date_gmt', 'post_modified', * 'post_modified_gmt', 'comment_date', 'comment_date_gmt', * 'user_registered', 'registered', 'last_updated'. / if ( ! in_array( $column, apply_filters( 'date_query_valid_columns', $valid_columns ), true ) ) { $column = 'post_date'; } $known_columns = array( $wpdb->posts => array( 'post_date', 'post_date_gmt', 'post_modified', 'post_modified_gmt', ), $wpdb->comments => array( 'comment_date', 'comment_date_gmt', ), $wpdb->users => array( 'user_registered', ), $wpdb->blogs => array( 'registered', 'last_updated', ), ); // If it's a known column name, add the appropriate table prefix. foreach ( $known_columns as $table_name => $table_columns ) { if ( in_array( $column, $table_columns, true ) ) { $column = $table_name . '.' . $column; break; } } } // Remove unsafe characters. return preg_replace( '/[^a-zA-Z0-9_$\.]/', '', $column ); } /* * Generates WHERE clause to be appended to a main query. * * @since 3.7.0 * * @return string MySQL WHERE clause. / public function get_sql() { $sql = $this->get_sql_clauses(); $where = $sql['where']; /* * Filters the date query WHERE clause. * * @since 3.7.0 * * @param string $where WHERE clause of the date query. * @param WP_Date_Query $query The WP_Date_Query instance. / return apply_filters( 'get_date_sql', $where, $this ); } /* * Generates SQL clauses to be appended to a main query. * * Called by the public WP_Date_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() { $sql = $this->get_sql_for_query( $this->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. * @param int $depth Optional. Number of tree levels deep we currently are. * Used to calculate indentation. Default 0. * @return array { * 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 ); $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; } /* * Turns a single date clause into pieces for a WHERE clause. * * A wrapper for get_sql_for_clause(), included here for backward * compatibility while retaining the naming convention across Query classes. * * @since 3.7.0 * * @param array $query Date query arguments. * @return array { * Array containing JOIN and WHERE SQL clauses to append to the main 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. * } / protected function get_sql_for_subquery( $query ) { return $this->get_sql_for_clause( $query, '' ); } /* * Turns a first-order date query into SQL for a WHERE clause. * * @since 4.1.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param array $query Date query clause. * @param array $parent_query Parent query of the current date query. * @return array { * Array containing JOIN and WHERE SQL clauses to append to the main 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. * } / protected function get_sql_for_clause( $query, $parent_query ) { global $wpdb; // The sub-parts of a $where part. $where_parts = array(); $column = ( ! empty( $query['column'] ) ) ? esc_sql( $query['column'] ) : $this->column; $column = $this->validate_column( $column ); $compare = $this->get_compare( $query ); $inclusive = ! empty( $query['inclusive'] ); // Assign greater- and less-than values. $lt = '<'; $gt = '>'; if ( $inclusive ) { $lt .= '='; $gt .= '='; } // Range queries. if ( ! empty( $query['after'] ) ) { $where_parts[] = $wpdb->prepare( "$column $gt %s", $this->build_mysql_datetime( $query['after'], ! $inclusive ) ); } if ( ! empty( $query['before'] ) ) { $where_parts[] = $wpdb->prepare( "$column $lt %s", $this->build_mysql_datetime( $query['before'], $inclusive ) ); } // Specific value queries. $date_units = array( 'YEAR' => array( 'year' ), 'MONTH' => array( 'month', 'monthnum' ), '_wp_mysql_week' => array( 'week', 'w' ), 'DAYOFYEAR' => array( 'dayofyear' ), 'DAYOFMONTH' => array( 'day' ), 'DAYOFWEEK' => array( 'dayofweek' ), 'WEEKDAY' => array( 'dayofweek_iso' ), ); // Check of the possible date units and add them to the query. foreach ( $date_units as $sql_part => $query_parts ) { foreach ( $query_parts as $query_part ) { if ( isset( $query[ $query_part ] ) ) { $value = $this->build_value( $compare, $query[ $query_part ] ); if ( $value ) { switch ( $sql_part ) { case '_wp_mysql_week': $where_parts[] = _wp_mysql_week( $column ) . " $compare $value"; break; case 'WEEKDAY': $where_parts[] = "$sql_part( $column ) + 1 $compare $value"; break; default: $where_parts[] = "$sql_part( $column ) $compare $value"; } break; } } } } if ( isset( $query['hour'] ) \|\| isset( $query['minute'] ) \|\| isset( $query['second'] ) ) { // Avoid notices. foreach ( array( 'hour', 'minute', 'second' ) as $unit ) { if ( ! isset( $query[ $unit ] ) ) { $query[ $unit ] = null; } } $time_query = $this->build_time_query( $column, $compare, $query['hour'], $query['minute'], $query['second'] ); if ( $time_query ) { $where_parts[] = $time_query; } } / * Return an array of 'join' and 'where' for compatibility * with other query classes. / return array( 'where' => $where_parts, 'join' => array(), ); } /* * Builds and validates a value string based on the comparison operator. * * @since 3.7.0 * * @param string $compare The compare operator to use. * @param string\|array $value The value. * @return string\|false\|int The value to be used in SQL or false on error. / public function build_value( $compare, $value ) { if ( ! isset( $value ) ) { return false; } switch ( $compare ) { case 'IN': case 'NOT IN': $value = (array) $value; // Remove non-numeric values. $value = array_filter( $value, 'is_numeric' ); if ( empty( $value ) ) { return false; } return '(' . implode( ',', array_map( 'intval', $value ) ) . ')'; case 'BETWEEN': case 'NOT BETWEEN': if ( ! is_array( $value ) \|\| 2 !== count( $value ) ) { $value = array( $value, $value ); } else { $value = array_values( $value ); } // If either value is non-numeric, bail. foreach ( $value as $v ) { if ( ! is_numeric( $v ) ) { return false; } } $value = array_map( 'intval', $value ); return $value[0] . ' AND ' . $value[1]; default: if ( ! is_numeric( $value ) ) { return false; } return (int) $value; } } /* * Builds a MySQL format date/time based on some query parameters. * * You can pass an array of values (year, month, etc.) with missing parameter values being defaulted to * either the maximum or minimum values (controlled by the $default_to parameter). Alternatively you can * pass a string that will be passed to date_create(). * * @since 3.7.0 * * @param string\|array $datetime An array of parameters or a strtotime() string. * @param bool $default_to_max Whether to round up incomplete dates. Supported by values * of $datetime that are arrays, or string values that are a * subset of MySQL date format ('Y', 'Y-m', 'Y-m-d', 'Y-m-d H:i'). * Default: false. * @return string\|false A MySQL format date/time or false on failure. / public function build_mysql_datetime( $datetime, $default_to_max = false ) { if ( ! is_array( $datetime ) ) { / * Try to parse some common date formats, so we can detect * the level of precision and support the 'inclusive' parameter. / if ( preg_match( '/^(\d{4})$/', $datetime, $matches ) ) { // Y $datetime = array( 'year' => (int) $matches[1], ); } elseif ( preg_match( '/^(\d{4})\-(\d{2})$/', $datetime, $matches ) ) { // Y-m $datetime = array( 'year' => (int) $matches[1], 'month' => (int) $matches[2], ); } elseif ( preg_match( '/^(\d{4})\-(\d{2})\-(\d{2})$/', $datetime, $matches ) ) { // Y-m-d $datetime = array( 'year' => (int) $matches[1], 'month' => (int) $matches[2], 'day' => (int) $matches[3], ); } elseif ( preg_match( '/^(\d{4})\-(\d{2})\-(\d{2}) (\d{2}):(\d{2})$/', $datetime, $matches ) ) { // Y-m-d H:i $datetime = array( 'year' => (int) $matches[1], 'month' => (int) $matches[2], 'day' => (int) $matches[3], 'hour' => (int) $matches[4], 'minute' => (int) $matches[5], ); } // If no match is found, we don't support default_to_max. if ( ! is_array( $datetime ) ) { $wp_timezone = wp_timezone(); // Assume local timezone if not provided. $dt = date_create( $datetime, $wp_timezone ); if ( false === $dt ) { return gmdate( 'Y-m-d H:i:s', false ); } return $dt->setTimezone( $wp_timezone )->format( 'Y-m-d H:i:s' ); } } $datetime = array_map( 'absint', $datetime ); if ( ! isset( $datetime['year'] ) ) { $datetime['year'] = current_time( 'Y' ); } if ( ! isset( $datetime['month'] ) ) { $datetime['month'] = ( $default_to_max ) ? 12 : 1; } if ( ! isset( $datetime['day'] ) ) { $datetime['day'] = ( $default_to_max ) ? (int) gmdate( 't', mktime( 0, 0, 0, $datetime['month'], 1, $datetime['year'] ) ) : 1; } if ( ! isset( $datetime['hour'] ) ) { $datetime['hour'] = ( $default_to_max ) ? 23 : 0; } if ( ! isset( $datetime['minute'] ) ) { $datetime['minute'] = ( $default_to_max ) ? 59 : 0; } if ( ! isset( $datetime['second'] ) ) { $datetime['second'] = ( $default_to_max ) ? 59 : 0; } return sprintf( '%04d-%02d-%02d %02d:%02d:%02d', $datetime['year'], $datetime['month'], $datetime['day'], $datetime['hour'], $datetime['minute'], $datetime['second'] ); } /* * Builds a query string for comparing time values (hour, minute, second). * * If just hour, minute, or second is set than a normal comparison will be done. * However if multiple values are passed, a pseudo-decimal time will be created * in order to be able to accurately compare against. * * @since 3.7.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $column The column to query against. Needs to be pre-validated! * @param string $compare The comparison operator. Needs to be pre-validated! * @param int\|null $hour Optional. An hour value (0-23). * @param int\|null $minute Optional. A minute value (0-59). * @param int\|null $second Optional. A second value (0-59). * @return string\|false A query part or false on failure. / public function build_time_query( $column, $compare, $hour = null, $minute = null, $second = null ) { global $wpdb; // Have to have at least one. if ( ! isset( $hour ) && ! isset( $minute ) && ! isset( $second ) ) { return false; } // Complex combined queries aren't supported for multi-value queries. if ( in_array( $compare, array( 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN' ), true ) ) { $return = array(); $value = $this->build_value( $compare, $hour ); if ( false !== $value ) { $return[] = "HOUR( $column ) $compare $value"; } $value = $this->build_value( $compare, $minute ); if ( false !== $value ) { $return[] = "MINUTE( $column ) $compare $value"; } $value = $this->build_value( $compare, $second ); if ( false !== $value ) { $return[] = "SECOND( $column ) $compare $value"; } return implode( ' AND ', $return ); } // Cases where just one unit is set. if ( isset( $hour ) && ! isset( $minute ) && ! isset( $second ) ) { $value = $this->build_value( $compare, $hour ); if ( false !== $value ) { return "HOUR( $column ) $compare $value"; } } elseif ( ! isset( $hour ) && isset( $minute ) && ! isset( $second ) ) { $value = $this->build_value( $compare, $minute ); if ( false !== $value ) { return "MINUTE( $column ) $compare $value"; } } elseif ( ! isset( $hour ) && ! isset( $minute ) && isset( $second ) ) { $value = $this->build_value( $compare, $second ); if ( false !== $value ) { return "SECOND( $column ) $compare $value"; } } // Single units were already handled. Since hour & second isn't allowed, minute must to be set. if ( ! isset( $minute ) ) { return false; } $format = ''; $time = ''; // Hour. if ( null !== $hour ) { $format .= '%H.'; $time .= sprintf( '%02d', $hour ) . '.'; } else { $format .= '0.'; $time .= '0.'; } // Minute. $format .= '%i'; $time .= sprintf( '%02d', $minute ); if ( isset( $second ) ) { $format .= '%s'; $time .= sprintf( '%02d', $second ); } return $wpdb->prepare( "DATE_FORMAT( $column, %s ) $compare %f", $format, $time ); } /* * Sanitizes a 'relation' operator. * * @since 6.0.3 * * @param string $relation Raw relation key from the query argument. * @return string Sanitized relation. Either 'AND' or 'OR'. */ public function sanitize_relation( $relation ) { if ( 'OR' === strtoupper( $relation ) ) { return 'OR'; } else { return 'AND'; } } }

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