404 lines
12 KiB
PHP
404 lines
12 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* WP_Date_Query will generate a MySQL WHERE clause for the specified date-based parameters.
|
||
|
|
*
|
||
|
|
* Initialize the class by passing an array of arrays of parameters. Example:
|
||
|
|
*
|
||
|
|
* $date_query = new WP_Date_Query( array(
|
||
|
|
* 'column' => 'optional, column to query against, default is post_date',
|
||
|
|
* 'compare' => 'optional, see WP_Date_Query::get_compare()',
|
||
|
|
* 'relation' => 'optional, OR or AND, how the sub-arrays should be compared, default is AND',
|
||
|
|
* array(
|
||
|
|
* 'column' => 'see above',
|
||
|
|
* 'compare' => 'see above',
|
||
|
|
* 'after' => 'string or array, see WP_Date_Query::build_mysql_datetime()',
|
||
|
|
* 'before' => 'string or array, see WP_Date_Query::build_mysql_datetime()',
|
||
|
|
* 'inclusive' => 'boolean, for after/before, whether exact value should be matched or not',
|
||
|
|
* 'year' => '4 digit int',
|
||
|
|
* 'month' => 'int, 1-12',
|
||
|
|
* 'week' => 'int, 0-53',
|
||
|
|
* 'day' => 'int, 1-31',
|
||
|
|
* 'hour' => 'int, 0-23',
|
||
|
|
* 'minute' => 'int, 0-60',
|
||
|
|
* 'second' => 'int, 0-60',
|
||
|
|
* ),
|
||
|
|
* array(
|
||
|
|
* ...
|
||
|
|
* ),
|
||
|
|
* ...
|
||
|
|
* ) );
|
||
|
|
*
|
||
|
|
* Then call the get_sql() method to get the MySQL WHERE string:
|
||
|
|
*
|
||
|
|
* $where .= $date_query->get_sql();
|
||
|
|
*
|
||
|
|
* @link http://codex.wordpress.org/Function_Reference/WP_Query Codex page.
|
||
|
|
*
|
||
|
|
* @since 3.7.0
|
||
|
|
*/
|
||
|
|
class WP_Date_Query {
|
||
|
|
/**
|
||
|
|
* List of date queries.
|
||
|
|
*
|
||
|
|
* @since 3.7.0
|
||
|
|
* @access public
|
||
|
|
* @var array
|
||
|
|
*/
|
||
|
|
public $queries = array();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The relation between the queries. Can be either 'AND' or 'OR' and can be changed via the query arguments.
|
||
|
|
*
|
||
|
|
* @since 3.7.0
|
||
|
|
* @access public
|
||
|
|
* @var string
|
||
|
|
*/
|
||
|
|
public $relation = 'AND';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The column to query against. Can be changed via the query arguments.
|
||
|
|
*
|
||
|
|
* @since 3.7.0
|
||
|
|
* @access public
|
||
|
|
* @var string
|
||
|
|
*/
|
||
|
|
public $column = 'post_date';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The value comparison operator. Can be changed via the query arguments.
|
||
|
|
*
|
||
|
|
* @since 3.7.0
|
||
|
|
* @access public
|
||
|
|
* @var array
|
||
|
|
*/
|
||
|
|
public $compare = '=';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructor
|
||
|
|
*
|
||
|
|
* @param array $date_query A date query parameter array, see class descriptor for further details.
|
||
|
|
* @param array (optional) $default_column What column name to query against. Defaults to "post_date".
|
||
|
|
*/
|
||
|
|
function __construct( $date_query, $default_column = 'post_date' ) {
|
||
|
|
if ( empty( $date_query ) || ! is_array( $date_query ) )
|
||
|
|
return;
|
||
|
|
|
||
|
|
if ( isset( $date_query['relation'] ) && strtoupper( $date_query['relation'] ) == 'OR' )
|
||
|
|
$this->relation = 'OR';
|
||
|
|
else
|
||
|
|
$this->relation = 'AND';
|
||
|
|
|
||
|
|
if ( ! empty( $date_query['column'] ) )
|
||
|
|
$this->column = esc_sql( $date_query['column'] );
|
||
|
|
else
|
||
|
|
$this->column = esc_sql( $default_column );
|
||
|
|
|
||
|
|
$this->column = $this->validate_column( $this->column );
|
||
|
|
|
||
|
|
$this->compare = $this->get_compare( $date_query );
|
||
|
|
|
||
|
|
// If an array of arrays wasn't passed, fix it
|
||
|
|
if ( ! isset( $date_query[0] ) )
|
||
|
|
$date_query = array( $date_query );
|
||
|
|
|
||
|
|
$this->queries = array();
|
||
|
|
foreach ( $date_query as $key => $query ) {
|
||
|
|
if ( ! is_array( $query ) )
|
||
|
|
continue;
|
||
|
|
|
||
|
|
$this->queries[$key] = $query;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Determines and validates what comparison operator to use.
|
||
|
|
*
|
||
|
|
* @since 3.7.0
|
||
|
|
* @access public
|
||
|
|
*
|
||
|
|
* @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' ) ) )
|
||
|
|
return strtoupper( $query['compare'] );
|
||
|
|
|
||
|
|
return $this->compare;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Validates a column name parameter.
|
||
|
|
*
|
||
|
|
* @since 3.7.0
|
||
|
|
* @access public
|
||
|
|
*
|
||
|
|
* @param string $column The user-supplied column name.
|
||
|
|
* @return string A validated column name value.
|
||
|
|
*/
|
||
|
|
public function validate_column( $column ) {
|
||
|
|
if ( ! in_array( $column, apply_filters( 'date_query_valid_columns', array( 'post_date', 'post_date_gmt', 'post_modified', 'post_modified_gmt', 'comment_date', 'comment_date_gmt' ) ) ) )
|
||
|
|
$column = 'post_date';
|
||
|
|
|
||
|
|
return $column;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Turns an array of date query parameters into a MySQL string.
|
||
|
|
*
|
||
|
|
* @since 3.7.0
|
||
|
|
* @access public
|
||
|
|
*
|
||
|
|
* @return string MySQL WHERE parameters
|
||
|
|
*/
|
||
|
|
public function get_sql() {
|
||
|
|
// The parts of the final query
|
||
|
|
$where = array();
|
||
|
|
|
||
|
|
foreach ( $this->queries as $key => $query ) {
|
||
|
|
$where_parts = $this->get_sql_for_subquery( $query );
|
||
|
|
if ( $where_parts ) {
|
||
|
|
// Combine the parts of this subquery into a single string
|
||
|
|
$where[ $key ] = '( ' . implode( ' AND ', $where_parts ) . ' )';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Combine the subquery strings into a single string
|
||
|
|
if ( $where )
|
||
|
|
$where = ' AND ( ' . implode( " {$this->relation} ", $where ) . ' )';
|
||
|
|
else
|
||
|
|
$where = '';
|
||
|
|
|
||
|
|
return apply_filters( 'get_date_sql', $where, $this );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Turns a single date subquery into pieces for a WHERE clause.
|
||
|
|
*
|
||
|
|
* @since 3.7.0
|
||
|
|
* return array
|
||
|
|
*/
|
||
|
|
protected function get_sql_for_subquery( $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 );
|
||
|
|
|
||
|
|
$lt = '<';
|
||
|
|
$gt = '>';
|
||
|
|
if ( ! empty( $query['inclusive'] ) ) {
|
||
|
|
$lt .= '=';
|
||
|
|
$gt .= '=';
|
||
|
|
}
|
||
|
|
|
||
|
|
// Range queries
|
||
|
|
if ( ! empty( $query['after'] ) )
|
||
|
|
$where_parts[] = $wpdb->prepare( "$column $gt %s", $this->build_mysql_datetime( $query['after'], true ) );
|
||
|
|
|
||
|
|
if ( ! empty( $query['before'] ) )
|
||
|
|
$where_parts[] = $wpdb->prepare( "$column $lt %s", $this->build_mysql_datetime( $query['before'], false ) );
|
||
|
|
|
||
|
|
// Specific value queries
|
||
|
|
|
||
|
|
if ( isset( $query['year'] ) && $value = $this->build_value( $compare, $query['year'] ) )
|
||
|
|
$where_parts[] = "YEAR( $column ) $compare $value";
|
||
|
|
|
||
|
|
if ( isset( $query['month'] ) && $value = $this->build_value( $compare, $query['month'] ) )
|
||
|
|
$where_parts[] = "MONTH( $column ) $compare $value";
|
||
|
|
|
||
|
|
// Legacy
|
||
|
|
if ( isset( $query['monthnum'] ) && $value = $this->build_value( $compare, $query['monthnum'] ) )
|
||
|
|
$where_parts[] = "MONTH( $column ) $compare $value";
|
||
|
|
|
||
|
|
if ( isset( $query['week'] ) && false !== ( $value = $this->build_value( $compare, $query['week'] ) ) )
|
||
|
|
$where_parts[] = _wp_mysql_week( $column ) . " $compare $value";
|
||
|
|
|
||
|
|
// Legacy
|
||
|
|
if ( isset( $query['w'] ) && false !== ( $value = $this->build_value( $compare, $query['w'] ) ) )
|
||
|
|
$where_parts[] = _wp_mysql_week( $column ) . " $compare $value";
|
||
|
|
|
||
|
|
if ( isset( $query['dayofyear'] ) && $value = $this->build_value( $compare, $query['dayofyear'] ) )
|
||
|
|
$where_parts[] = "DAYOFYEAR( $column ) $compare $value";
|
||
|
|
|
||
|
|
if ( isset( $query['day'] ) && $value = $this->build_value( $compare, $query['day'] ) )
|
||
|
|
$where_parts[] = "DAYOFMONTH( $column ) $compare $value";
|
||
|
|
|
||
|
|
if ( isset( $query['dayofweek'] ) && $value = $this->build_value( $compare, $query['dayofweek'] ) )
|
||
|
|
$where_parts[] = "DAYOFWEEK( $column ) $compare $value";
|
||
|
|
|
||
|
|
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;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( $time_query = $this->build_time_query( $column, $compare, $query['hour'], $query['minute'], $query['second'] ) ) {
|
||
|
|
$where_parts[] = $time_query;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $where_parts;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Builds and validates a value string based on the comparison operator.
|
||
|
|
*
|
||
|
|
* @since 3.7.0
|
||
|
|
* @access public
|
||
|
|
*
|
||
|
|
* @param string $compare The compare operator to use
|
||
|
|
* @param string|array $value The value
|
||
|
|
* @return string|int|false 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':
|
||
|
|
return '(' . implode( ',', array_map( 'intval', (array) $value ) ) . ')';
|
||
|
|
|
||
|
|
case 'BETWEEN':
|
||
|
|
case 'NOT BETWEEN':
|
||
|
|
if ( ! is_array( $value ) || 2 != count( $value ) || ! isset( $value[0] ) || ! isset( $value[1] ) )
|
||
|
|
$value = array( $value, $value );
|
||
|
|
|
||
|
|
$value = array_map( 'intval', $value );
|
||
|
|
|
||
|
|
return $value[0] . ' AND ' . $value[1];
|
||
|
|
|
||
|
|
default;
|
||
|
|
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 that will be run through strtotime().
|
||
|
|
*
|
||
|
|
* @since 3.7.0
|
||
|
|
* @access public
|
||
|
|
*
|
||
|
|
* @param string|array $datetime An array of parameters or a strotime() string
|
||
|
|
* @param string $default_to Controls what values default to if they are missing from $datetime. Pass "min" or "max".
|
||
|
|
* @return string|false A MySQL format date/time or false on failure
|
||
|
|
*/
|
||
|
|
public function build_mysql_datetime( $datetime, $default_to_max = false ) {
|
||
|
|
$now = current_time( 'timestamp' );
|
||
|
|
|
||
|
|
if ( ! is_array( $datetime ) ) {
|
||
|
|
// @todo Timezone issues here possibly
|
||
|
|
return gmdate( 'Y-m-d H:i:s', strtotime( $datetime, $now ) );
|
||
|
|
}
|
||
|
|
|
||
|
|
$datetime = array_map( 'absint', $datetime );
|
||
|
|
|
||
|
|
if ( ! isset( $datetime['year'] ) )
|
||
|
|
$datetime['year'] = gmdate( 'Y', $now );
|
||
|
|
|
||
|
|
if ( ! isset( $datetime['month'] ) )
|
||
|
|
$datetime['month'] = ( $default_to_max ) ? 12 : 1;
|
||
|
|
|
||
|
|
if ( ! isset( $datetime['day'] ) )
|
||
|
|
$datetime['day'] = ( $default_to_max ) ? (int) date( '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
|
||
|
|
* @access public
|
||
|
|
*
|
||
|
|
* @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' ) ) ) {
|
||
|
|
$return = array();
|
||
|
|
|
||
|
|
if ( isset( $hour ) && false !== ( $value = $this->build_value( $compare, $hour ) ) )
|
||
|
|
$return[] = "HOUR( $column ) $compare $value";
|
||
|
|
|
||
|
|
if ( isset( $minute ) && false !== ( $value = $this->build_value( $compare, $minute ) ) )
|
||
|
|
$return[] = "MINUTE( $column ) $compare $value";
|
||
|
|
|
||
|
|
if ( isset( $second ) && false !== ( $value = $this->build_value( $compare, $second ) ) )
|
||
|
|
$return[] = "SECOND( $column ) $compare $value";
|
||
|
|
|
||
|
|
return implode( ' AND ', $return );
|
||
|
|
}
|
||
|
|
|
||
|
|
// Cases where just one unit is set
|
||
|
|
if ( isset( $hour ) && ! isset( $minute ) && ! isset( $second ) && false !== ( $value = $this->build_value( $compare, $hour ) ) ) {
|
||
|
|
return "HOUR( $column ) $compare $value";
|
||
|
|
} elseif ( ! isset( $hour ) && isset( $minute ) && ! isset( $second ) && false !== ( $value = $this->build_value( $compare, $minute ) ) ) {
|
||
|
|
return "MINUTE( $column ) $compare $value";
|
||
|
|
} elseif ( ! isset( $hour ) && ! isset( $minute ) && isset( $second ) && false !== ( $value = $this->build_value( $compare, $second ) ) ) {
|
||
|
|
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 ( $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 );
|
||
|
|
}
|
||
|
|
}
|