| author | ymh <ymh.work@gmail.com> |
| Mon, 14 Oct 2019 17:39:30 +0200 | |
| changeset 7 | cf61fcea0001 |
| parent 5 | 5e2f62d02dcd |
| child 9 | 177826044cd9 |
| permissions | -rw-r--r-- |
| 0 | 1 |
<?php |
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/** |
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| 5 | 3 |
* Class for generating SQL clauses that filter a primary query according to date. |
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* |
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cf61fcea0001
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parents:
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changeset
|
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* WP_Date_Query is a helper that allows primary query classes, such as WP_Query, to filter |
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cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
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diff
changeset
|
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* their results by date columns, by generating `WHERE` subclauses to be attached to the |
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cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
7 |
* primary SQL query string. |
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* |
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* Attempting to filter by an invalid date value (eg month=13) will generate SQL that will |
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* return no results. In these cases, a _doing_it_wrong() error notice is also thrown. |
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cf61fcea0001
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parents:
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|
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* See WP_Date_Query::validate_date_values(). |
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* |
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* @link https://codex.wordpress.org/Function_Reference/WP_Query Codex page. |
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* |
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* @since 3.7.0 |
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*/ |
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class WP_Date_Query { |
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/** |
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* Array of date queries. |
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* |
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7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
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* See WP_Date_Query::__construct() for information on date query arguments. |
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* |
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* @since 3.7.0 |
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* @var array |
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*/ |
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public $queries = array(); |
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||
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/** |
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* The default relation between top-level queries. Can be either 'AND' or 'OR'. |
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* |
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* @since 3.7.0 |
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* @var string |
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*/ |
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public $relation = 'AND'; |
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||
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/** |
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* The column to query against. Can be changed via the query arguments. |
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* |
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* @since 3.7.0 |
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* @var string |
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*/ |
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public $column = 'post_date'; |
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||
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/** |
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* The value comparison operator. Can be changed via the query arguments. |
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* |
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* @since 3.7.0 |
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* @var array |
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*/ |
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public $compare = '='; |
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||
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/** |
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* Supported time-related parameter keys. |
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* |
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* @since 4.1.0 |
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* @var array |
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*/ |
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public $time_keys = array( 'after', 'before', 'year', 'month', 'monthnum', 'week', 'w', 'dayofyear', 'day', 'dayofweek', 'dayofweek_iso', 'hour', 'minute', 'second' ); |
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||
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/** |
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* Constructor. |
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* |
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* Time-related parameters that normally require integer values ('year', 'month', 'week', 'dayofyear', 'day', |
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* 'dayofweek', 'dayofweek_iso', 'hour', 'minute', 'second') accept arrays of integers for some values of |
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* 'compare'. When 'compare' is 'IN' or 'NOT IN', arrays are accepted; when 'compare' is 'BETWEEN' or 'NOT |
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* BETWEEN', arrays of two valid values are required. See individual argument descriptions for accepted values. |
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* |
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* @since 3.7.0 |
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* @since 4.0.0 The $inclusive logic was updated to include all times within the date range. |
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* @since 4.1.0 Introduced 'dayofweek_iso' time type parameter. |
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* |
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* @param array $date_query { |
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* Array of date query clauses. |
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* |
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* @type array { |
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* @type string $column Optional. The column to query against. If undefined, inherits the value of |
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* the `$default_column` parameter. Accepts 'post_date', 'post_date_gmt', |
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* 'post_modified','post_modified_gmt', 'comment_date', 'comment_date_gmt'. |
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* Default 'post_date'. |
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* @type string $compare Optional. The comparison operator. Accepts '=', '!=', '>', '>=', '<', '<=', |
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* 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN'. Default '='. |
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* @type string $relation Optional. The boolean relationship between the date queries. Accepts 'OR' or 'AND'. |
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* Default 'OR'. |
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* @type array { |
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* Optional. An array of first-order clause parameters, or another fully-formed date query. |
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* |
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* @type string|array $before { |
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* Optional. Date to retrieve posts before. Accepts `strtotime()`-compatible string, |
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* or array of 'year', 'month', 'day' values. |
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* |
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* @type string $year The four-digit year. Default empty. Accepts any four-digit year. |
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* @type string $month Optional when passing array.The month of the year. |
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* Default (string:empty)|(array:1). Accepts numbers 1-12. |
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* @type string $day Optional when passing array.The day of the month. |
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* Default (string:empty)|(array:1). Accepts numbers 1-31. |
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* } |
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* @type string|array $after { |
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* Optional. Date to retrieve posts after. Accepts `strtotime()`-compatible string, |
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* or array of 'year', 'month', 'day' values. |
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* |
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* @type string $year The four-digit year. Accepts any four-digit year. Default empty. |
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* @type string $month Optional when passing array. The month of the year. Accepts numbers 1-12. |
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* Default (string:empty)|(array:12). |
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* @type string $day Optional when passing array.The day of the month. Accepts numbers 1-31. |
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* Default (string:empty)|(array:last day of month). |
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* } |
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* @type string $column Optional. Used to add a clause comparing a column other than the |
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* column specified in the top-level `$column` parameter. Accepts |
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* 'post_date', 'post_date_gmt', 'post_modified', 'post_modified_gmt', |
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* 'comment_date', 'comment_date_gmt'. Default is the value of |
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* top-level `$column`. |
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* @type string $compare Optional. The comparison operator. Accepts '=', '!=', '>', '>=', |
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* '<', '<=', 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN'. 'IN', |
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* 'NOT IN', 'BETWEEN', and 'NOT BETWEEN'. Comparisons support |
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* arrays in some time-related parameters. Default '='. |
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* @type bool $inclusive Optional. Include results from dates specified in 'before' or |
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* 'after'. Default false. |
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* @type int|array $year Optional. The four-digit year number. Accepts any four-digit year |
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* or an array of years if `$compare` supports it. Default empty. |
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* @type int|array $month Optional. The two-digit month number. Accepts numbers 1-12 or an |
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* array of valid numbers if `$compare` supports it. Default empty. |
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* @type int|array $week Optional. The week number of the year. Accepts numbers 0-53 or an |
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* array of valid numbers if `$compare` supports it. Default empty. |
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* @type int|array $dayofyear Optional. The day number of the year. Accepts numbers 1-366 or an |
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* array of valid numbers if `$compare` supports it. |
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* @type int|array $day Optional. The day of the month. Accepts numbers 1-31 or an array |
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* of valid numbers if `$compare` supports it. Default empty. |
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* @type int|array $dayofweek Optional. The day number of the week. Accepts numbers 1-7 (1 is |
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* Sunday) or an array of valid numbers if `$compare` supports it. |
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* Default empty. |
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* @type int|array $dayofweek_iso Optional. The day number of the week (ISO). Accepts numbers 1-7 |
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* (1 is Monday) or an array of valid numbers if `$compare` supports it. |
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* Default empty. |
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* @type int|array $hour Optional. The hour of the day. Accepts numbers 0-23 or an array |
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* of valid numbers if `$compare` supports it. Default empty. |
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* @type int|array $minute Optional. The minute of the hour. Accepts numbers 0-60 or an array |
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* of valid numbers if `$compare` supports it. Default empty. |
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* @type int|array $second Optional. The second of the minute. Accepts numbers 0-60 or an |
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* array of valid numbers if `$compare` supports it. Default empty. |
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* } |
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* } |
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* } |
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* @param array $default_column Optional. Default column to query against. Default 'post_date'. |
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* Accepts 'post_date', 'post_date_gmt', 'post_modified', 'post_modified_gmt', |
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* 'comment_date', 'comment_date_gmt'. |
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*/ |
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public function __construct( $date_query, $default_column = 'post_date' ) { |
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if ( isset( $date_query['relation'] ) && 'OR' === strtoupper( $date_query['relation'] ) ) { |
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$this->relation = 'OR'; |
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} else { |
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$this->relation = 'AND'; |
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} |
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||
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if ( ! is_array( $date_query ) ) { |
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return; |
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} |
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// Support for passing time-based keys in the top level of the $date_query array. |
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if ( ! isset( $date_query[0] ) && ! empty( $date_query ) ) { |
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$date_query = array( $date_query ); |
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} |
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||
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if ( empty( $date_query ) ) { |
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return; |
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} |
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if ( ! empty( $date_query['column'] ) ) { |
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$date_query['column'] = esc_sql( $date_query['column'] ); |
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} else { |
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$date_query['column'] = esc_sql( $default_column ); |
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} |
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$this->column = $this->validate_column( $this->column ); |
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$this->compare = $this->get_compare( $date_query ); |
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$this->queries = $this->sanitize_query( $date_query ); |
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} |
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||
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/** |
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* Recursive-friendly query sanitizer. |
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* |
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* Ensures that each query-level clause has a 'relation' key, and that |
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* each first-order clause contains all the necessary keys from |
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* `$defaults`. |
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* |
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* @since 4.1.0 |
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* |
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* @param array $queries |
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* @param array $parent_query |
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* |
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* @return array Sanitized queries. |
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*/ |
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public function sanitize_query( $queries, $parent_query = null ) { |
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$cleaned_query = array(); |
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$defaults = array( |
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'column' => 'post_date', |
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'compare' => '=', |
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'relation' => 'AND', |
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); |
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// Numeric keys should always have array values. |
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foreach ( $queries as $qkey => $qvalue ) { |
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if ( is_numeric( $qkey ) && ! is_array( $qvalue ) ) { |
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unset( $queries[ $qkey ] ); |
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} |
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} |
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// Each query should have a value for each default key. Inherit from the parent when possible. |
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foreach ( $defaults as $dkey => $dvalue ) { |
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if ( isset( $queries[ $dkey ] ) ) { |
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continue; |
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} |
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if ( isset( $parent_query[ $dkey ] ) ) { |
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$queries[ $dkey ] = $parent_query[ $dkey ]; |
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} else { |
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$queries[ $dkey ] = $dvalue; |
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} |
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} |
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// Validate the dates passed in the query. |
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if ( $this->is_first_order_clause( $queries ) ) { |
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$this->validate_date_values( $queries ); |
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} |
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foreach ( $queries as $key => $q ) { |
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if ( ! is_array( $q ) || in_array( $key, $this->time_keys, true ) ) { |
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// This is a first-order query. Trust the values and sanitize when building SQL. |
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$cleaned_query[ $key ] = $q; |
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} else { |
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// Any array without a time key is another query, so we recurse. |
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$cleaned_query[] = $this->sanitize_query( $q, $queries ); |
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} |
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} |
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return $cleaned_query; |
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} |
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||
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/** |
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* Determine whether this is a first-order clause. |
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* |
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* Checks to see if the current clause has any time-related keys. |
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* If so, it's first-order. |
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* |
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|
247 |
* @since 4.1.0 |
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* |
| 5 | 249 |
* @param array $query Query clause. |
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* @return bool True if this is a first-order clause. |
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*/ |
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protected function is_first_order_clause( $query ) { |
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$time_keys = array_intersect( $this->time_keys, array_keys( $query ) ); |
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return ! empty( $time_keys ); |
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} |
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||
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/** |
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* Determines and validates what comparison operator to use. |
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* |
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* @since 3.7.0 |
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* |
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* @param array $query A date query or a date subquery. |
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* @return string The comparison operator. |
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| 0 | 264 |
*/ |
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public function get_compare( $query ) { |
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if ( ! empty( $query['compare'] ) && in_array( $query['compare'], array( '=', '!=', '>', '>=', '<', '<=', 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN' ) ) ) |
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return strtoupper( $query['compare'] ); |
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||
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return $this->compare; |
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} |
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||
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/** |
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| 5 | 273 |
* Validates the given date_query values and triggers errors if something is not valid. |
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* |
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* Note that date queries with invalid date ranges are allowed to |
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* continue (though of course no items will be found for impossible dates). |
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* This method only generates debug notices for these cases. |
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* |
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* @since 4.1.0 |
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* |
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* @param array $date_query The date_query array. |
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* @return bool True if all values in the query are valid, false if one or more fail. |
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*/ |
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public function validate_date_values( $date_query = array() ) { |
|
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if ( empty( $date_query ) ) { |
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return false; |
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} |
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||
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$valid = true; |
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||
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/* |
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* Validate 'before' and 'after' up front, then let the |
|
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* validation routine continue to be sure that all invalid |
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* values generate errors too. |
|
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*/ |
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if ( array_key_exists( 'before', $date_query ) && is_array( $date_query['before'] ) ){ |
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$valid = $this->validate_date_values( $date_query['before'] ); |
|
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} |
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||
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if ( array_key_exists( 'after', $date_query ) && is_array( $date_query['after'] ) ){ |
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$valid = $this->validate_date_values( $date_query['after'] ); |
|
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} |
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||
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// Array containing all min-max checks. |
|
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$min_max_checks = array(); |
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||
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// Days per year. |
|
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if ( array_key_exists( 'year', $date_query ) ) { |
|
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/* |
|
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* If a year exists in the date query, we can use it to get the days. |
|
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* If multiple years are provided (as in a BETWEEN), use the first one. |
|
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*/ |
|
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if ( is_array( $date_query['year'] ) ) { |
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$_year = reset( $date_query['year'] ); |
|
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} else { |
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$_year = $date_query['year']; |
|
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} |
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||
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$max_days_of_year = date( 'z', mktime( 0, 0, 0, 12, 31, $_year ) ) + 1; |
|
320 |
} else { |
|
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// otherwise we use the max of 366 (leap-year) |
|
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$max_days_of_year = 366; |
|
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} |
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324 |
||
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$min_max_checks['dayofyear'] = array( |
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'min' => 1, |
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'max' => $max_days_of_year |
|
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); |
|
329 |
||
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// Days per week. |
|
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$min_max_checks['dayofweek'] = array( |
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'min' => 1, |
|
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'max' => 7 |
|
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); |
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335 |
||
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// Days per week. |
|
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$min_max_checks['dayofweek_iso'] = array( |
|
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'min' => 1, |
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'max' => 7 |
|
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); |
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341 |
||
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// Months per year. |
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$min_max_checks['month'] = array( |
|
344 |
'min' => 1, |
|
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'max' => 12 |
|
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); |
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347 |
||
348 |
// Weeks per year. |
|
349 |
if ( isset( $_year ) ) { |
|
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7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
350 |
/* |
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ymh <ymh.work@gmail.com>
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|
351 |
* If we have a specific year, use it to calculate number of weeks. |
|
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ymh <ymh.work@gmail.com>
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|
352 |
* Note: the number of weeks in a year is the date in which Dec 28 appears. |
|
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ymh <ymh.work@gmail.com>
parents:
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|
353 |
*/ |
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changeset
|
354 |
$week_count = date( 'W', mktime( 0, 0, 0, 12, 28, $_year ) ); |
| 5 | 355 |
|
356 |
} else { |
|
357 |
// Otherwise set the week-count to a maximum of 53. |
|
358 |
$week_count = 53; |
|
359 |
} |
|
360 |
||
361 |
$min_max_checks['week'] = array( |
|
362 |
'min' => 1, |
|
363 |
'max' => $week_count |
|
364 |
); |
|
365 |
||
366 |
// Days per month. |
|
367 |
$min_max_checks['day'] = array( |
|
368 |
'min' => 1, |
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'max' => 31 |
|
370 |
); |
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371 |
||
372 |
// Hours per day. |
|
373 |
$min_max_checks['hour'] = array( |
|
374 |
'min' => 0, |
|
375 |
'max' => 23 |
|
376 |
); |
|
377 |
||
378 |
// Minutes per hour. |
|
379 |
$min_max_checks['minute'] = array( |
|
380 |
'min' => 0, |
|
381 |
'max' => 59 |
|
382 |
); |
|
383 |
||
384 |
// Seconds per minute. |
|
385 |
$min_max_checks['second'] = array( |
|
386 |
'min' => 0, |
|
387 |
'max' => 59 |
|
388 |
); |
|
389 |
||
390 |
// Concatenate and throw a notice for each invalid value. |
|
391 |
foreach ( $min_max_checks as $key => $check ) { |
|
392 |
if ( ! array_key_exists( $key, $date_query ) ) { |
|
393 |
continue; |
|
394 |
} |
|
395 |
||
396 |
// Throw a notice for each failing value. |
|
397 |
foreach ( (array) $date_query[ $key ] as $_value ) { |
|
398 |
$is_between = $_value >= $check['min'] && $_value <= $check['max']; |
|
399 |
||
400 |
if ( ! is_numeric( $_value ) || ! $is_between ) { |
|
401 |
$error = sprintf( |
|
402 |
/* translators: Date query invalid date message: 1: invalid value, 2: type of value, 3: minimum valid value, 4: maximum valid value */ |
|
403 |
__( 'Invalid value %1$s for %2$s. Expected value should be between %3$s and %4$s.' ), |
|
404 |
'<code>' . esc_html( $_value ) . '</code>', |
|
405 |
'<code>' . esc_html( $key ) . '</code>', |
|
406 |
'<code>' . esc_html( $check['min'] ) . '</code>', |
|
407 |
'<code>' . esc_html( $check['max'] ) . '</code>' |
|
408 |
); |
|
409 |
||
410 |
_doing_it_wrong( __CLASS__, $error, '4.1.0' ); |
|
411 |
||
412 |
$valid = false; |
|
413 |
} |
|
414 |
} |
|
415 |
} |
|
416 |
||
417 |
// If we already have invalid date messages, don't bother running through checkdate(). |
|
418 |
if ( ! $valid ) { |
|
419 |
return $valid; |
|
420 |
} |
|
421 |
||
422 |
$day_month_year_error_msg = ''; |
|
423 |
||
424 |
$day_exists = array_key_exists( 'day', $date_query ) && is_numeric( $date_query['day'] ); |
|
425 |
$month_exists = array_key_exists( 'month', $date_query ) && is_numeric( $date_query['month'] ); |
|
426 |
$year_exists = array_key_exists( 'year', $date_query ) && is_numeric( $date_query['year'] ); |
|
427 |
||
428 |
if ( $day_exists && $month_exists && $year_exists ) { |
|
429 |
// 1. Checking day, month, year combination. |
|
430 |
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'] ) ) ) { |
|
431 |
/* translators: 1: year, 2: month, 3: day of month */ |
|
432 |
$day_month_year_error_msg = sprintf( |
|
433 |
__( 'The following values do not describe a valid date: year %1$s, month %2$s, day %3$s.' ), |
|
434 |
'<code>' . esc_html( $date_query['year'] ) . '</code>', |
|
435 |
'<code>' . esc_html( $date_query['month'] ) . '</code>', |
|
436 |
'<code>' . esc_html( $date_query['day'] ) . '</code>' |
|
437 |
); |
|
438 |
||
439 |
$valid = false; |
|
440 |
} |
|
441 |
||
442 |
} elseif ( $day_exists && $month_exists ) { |
|
443 |
/* |
|
444 |
* 2. checking day, month combination |
|
445 |
* We use 2012 because, as a leap year, it's the most permissive. |
|
446 |
*/ |
|
447 |
if ( ! wp_checkdate( $date_query['month'], $date_query['day'], 2012, sprintf( '2012-%s-%s', $date_query['month'], $date_query['day'] ) ) ) { |
|
448 |
/* translators: 1: month, 2: day of month */ |
|
449 |
$day_month_year_error_msg = sprintf( |
|
450 |
__( 'The following values do not describe a valid date: month %1$s, day %2$s.' ), |
|
451 |
'<code>' . esc_html( $date_query['month'] ) . '</code>', |
|
452 |
'<code>' . esc_html( $date_query['day'] ) . '</code>' |
|
453 |
); |
|
454 |
||
455 |
$valid = false; |
|
456 |
} |
|
457 |
} |
|
458 |
||
459 |
if ( ! empty( $day_month_year_error_msg ) ) { |
|
460 |
_doing_it_wrong( __CLASS__, $day_month_year_error_msg, '4.1.0' ); |
|
461 |
} |
|
462 |
||
463 |
return $valid; |
|
464 |
} |
|
465 |
||
466 |
/** |
|
| 0 | 467 |
* Validates a column name parameter. |
468 |
* |
|
| 5 | 469 |
* Column names without a table prefix (like 'post_date') are checked against a whitelist of |
470 |
* known tables, and then, if found, have a table prefix (such as 'wp_posts.') prepended. |
|
471 |
* Prefixed column names (such as 'wp_posts.post_date') bypass this whitelist check, |
|
472 |
* and are only sanitized to remove illegal characters. |
|
473 |
* |
|
| 0 | 474 |
* @since 3.7.0 |
475 |
* |
|
476 |
* @param string $column The user-supplied column name. |
|
477 |
* @return string A validated column name value. |
|
478 |
*/ |
|
479 |
public function validate_column( $column ) { |
|
| 5 | 480 |
global $wpdb; |
481 |
||
| 0 | 482 |
$valid_columns = array( |
483 |
'post_date', 'post_date_gmt', 'post_modified', |
|
| 5 | 484 |
'post_modified_gmt', 'comment_date', 'comment_date_gmt', |
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
485 |
'user_registered', 'registered', 'last_updated', |
| 0 | 486 |
); |
| 5 | 487 |
|
488 |
// Attempt to detect a table prefix. |
|
489 |
if ( false === strpos( $column, '.' ) ) { |
|
490 |
/** |
|
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
491 |
* Filters the list of valid date query columns. |
| 5 | 492 |
* |
493 |
* @since 3.7.0 |
|
494 |
* @since 4.1.0 Added 'user_registered' to the default recognized columns. |
|
495 |
* |
|
496 |
* @param array $valid_columns An array of valid date query columns. Defaults |
|
497 |
* are 'post_date', 'post_date_gmt', 'post_modified', |
|
498 |
* 'post_modified_gmt', 'comment_date', 'comment_date_gmt', |
|
499 |
* 'user_registered' |
|
500 |
*/ |
|
501 |
if ( ! in_array( $column, apply_filters( 'date_query_valid_columns', $valid_columns ) ) ) { |
|
502 |
$column = 'post_date'; |
|
503 |
} |
|
| 0 | 504 |
|
| 5 | 505 |
$known_columns = array( |
506 |
$wpdb->posts => array( |
|
507 |
'post_date', |
|
508 |
'post_date_gmt', |
|
509 |
'post_modified', |
|
510 |
'post_modified_gmt', |
|
511 |
), |
|
512 |
$wpdb->comments => array( |
|
513 |
'comment_date', |
|
514 |
'comment_date_gmt', |
|
515 |
), |
|
516 |
$wpdb->users => array( |
|
517 |
'user_registered', |
|
518 |
), |
|
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
519 |
$wpdb->blogs => array( |
|
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
520 |
'registered', |
|
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
521 |
'last_updated', |
|
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
522 |
), |
| 5 | 523 |
); |
524 |
||
525 |
// If it's a known column name, add the appropriate table prefix. |
|
526 |
foreach ( $known_columns as $table_name => $table_columns ) { |
|
527 |
if ( in_array( $column, $table_columns ) ) { |
|
528 |
$column = $table_name . '.' . $column; |
|
529 |
break; |
|
530 |
} |
|
531 |
} |
|
532 |
||
533 |
} |
|
534 |
||
535 |
// Remove unsafe characters. |
|
536 |
return preg_replace( '/[^a-zA-Z0-9_$\.]/', '', $column ); |
|
| 0 | 537 |
} |
538 |
||
539 |
/** |
|
| 5 | 540 |
* Generate WHERE clause to be appended to a main query. |
| 0 | 541 |
* |
542 |
* @since 3.7.0 |
|
543 |
* |
|
| 5 | 544 |
* @return string MySQL WHERE clause. |
| 0 | 545 |
*/ |
546 |
public function get_sql() { |
|
| 5 | 547 |
$sql = $this->get_sql_clauses(); |
| 0 | 548 |
|
| 5 | 549 |
$where = $sql['where']; |
| 0 | 550 |
|
551 |
/** |
|
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
552 |
* Filters the date query WHERE clause. |
| 0 | 553 |
* |
554 |
* @since 3.7.0 |
|
555 |
* |
|
556 |
* @param string $where WHERE clause of the date query. |
|
557 |
* @param WP_Date_Query $this The WP_Date_Query instance. |
|
558 |
*/ |
|
559 |
return apply_filters( 'get_date_sql', $where, $this ); |
|
560 |
} |
|
561 |
||
562 |
/** |
|
| 5 | 563 |
* Generate SQL clauses to be appended to a main query. |
564 |
* |
|
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
565 |
* Called by the public WP_Date_Query::get_sql(), this method is abstracted |
|
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
566 |
* out to maintain parity with the other Query classes. |
| 5 | 567 |
* |
568 |
* @since 4.1.0 |
|
569 |
* |
|
570 |
* @return array { |
|
571 |
* Array containing JOIN and WHERE SQL clauses to append to the main query. |
|
572 |
* |
|
573 |
* @type string $join SQL fragment to append to the main JOIN clause. |
|
574 |
* @type string $where SQL fragment to append to the main WHERE clause. |
|
575 |
* } |
|
576 |
*/ |
|
577 |
protected function get_sql_clauses() { |
|
578 |
$sql = $this->get_sql_for_query( $this->queries ); |
|
579 |
||
580 |
if ( ! empty( $sql['where'] ) ) { |
|
581 |
$sql['where'] = ' AND ' . $sql['where']; |
|
582 |
} |
|
583 |
||
584 |
return $sql; |
|
585 |
} |
|
586 |
||
587 |
/** |
|
588 |
* Generate SQL clauses for a single query array. |
|
589 |
* |
|
590 |
* If nested subqueries are found, this method recurses the tree to |
|
591 |
* produce the properly nested SQL. |
|
592 |
* |
|
593 |
* @since 4.1.0 |
|
594 |
* |
|
595 |
* @param array $query Query to parse. |
|
596 |
* @param int $depth Optional. Number of tree levels deep we currently are. |
|
597 |
* Used to calculate indentation. Default 0. |
|
598 |
* @return array { |
|
599 |
* Array containing JOIN and WHERE SQL clauses to append to a single query array. |
|
| 0 | 600 |
* |
| 5 | 601 |
* @type string $join SQL fragment to append to the main JOIN clause. |
602 |
* @type string $where SQL fragment to append to the main WHERE clause. |
|
603 |
* } |
|
604 |
*/ |
|
605 |
protected function get_sql_for_query( $query, $depth = 0 ) { |
|
606 |
$sql_chunks = array( |
|
607 |
'join' => array(), |
|
608 |
'where' => array(), |
|
609 |
); |
|
610 |
||
611 |
$sql = array( |
|
612 |
'join' => '', |
|
613 |
'where' => '', |
|
614 |
); |
|
615 |
||
616 |
$indent = ''; |
|
617 |
for ( $i = 0; $i < $depth; $i++ ) { |
|
618 |
$indent .= " "; |
|
619 |
} |
|
620 |
||
621 |
foreach ( $query as $key => $clause ) { |
|
622 |
if ( 'relation' === $key ) { |
|
623 |
$relation = $query['relation']; |
|
624 |
} elseif ( is_array( $clause ) ) { |
|
625 |
||
626 |
// This is a first-order clause. |
|
627 |
if ( $this->is_first_order_clause( $clause ) ) { |
|
628 |
$clause_sql = $this->get_sql_for_clause( $clause, $query ); |
|
629 |
||
630 |
$where_count = count( $clause_sql['where'] ); |
|
631 |
if ( ! $where_count ) { |
|
632 |
$sql_chunks['where'][] = ''; |
|
633 |
} elseif ( 1 === $where_count ) { |
|
634 |
$sql_chunks['where'][] = $clause_sql['where'][0]; |
|
635 |
} else { |
|
636 |
$sql_chunks['where'][] = '( ' . implode( ' AND ', $clause_sql['where'] ) . ' )'; |
|
637 |
} |
|
638 |
||
639 |
$sql_chunks['join'] = array_merge( $sql_chunks['join'], $clause_sql['join'] ); |
|
640 |
// This is a subquery, so we recurse. |
|
641 |
} else { |
|
642 |
$clause_sql = $this->get_sql_for_query( $clause, $depth + 1 ); |
|
643 |
||
644 |
$sql_chunks['where'][] = $clause_sql['where']; |
|
645 |
$sql_chunks['join'][] = $clause_sql['join']; |
|
646 |
} |
|
647 |
} |
|
648 |
} |
|
649 |
||
650 |
// Filter to remove empties. |
|
651 |
$sql_chunks['join'] = array_filter( $sql_chunks['join'] ); |
|
652 |
$sql_chunks['where'] = array_filter( $sql_chunks['where'] ); |
|
653 |
||
654 |
if ( empty( $relation ) ) { |
|
655 |
$relation = 'AND'; |
|
656 |
} |
|
657 |
||
658 |
// Filter duplicate JOIN clauses and combine into a single string. |
|
659 |
if ( ! empty( $sql_chunks['join'] ) ) { |
|
660 |
$sql['join'] = implode( ' ', array_unique( $sql_chunks['join'] ) ); |
|
661 |
} |
|
662 |
||
663 |
// Generate a single WHERE clause with proper brackets and indentation. |
|
664 |
if ( ! empty( $sql_chunks['where'] ) ) { |
|
665 |
$sql['where'] = '( ' . "\n " . $indent . implode( ' ' . "\n " . $indent . $relation . ' ' . "\n " . $indent, $sql_chunks['where'] ) . "\n" . $indent . ')'; |
|
666 |
} |
|
667 |
||
668 |
return $sql; |
|
669 |
} |
|
670 |
||
671 |
/** |
|
672 |
* Turns a single date clause into pieces for a WHERE clause. |
|
673 |
* |
|
674 |
* A wrapper for get_sql_for_clause(), included here for backward |
|
675 |
* compatibility while retaining the naming convention across Query classes. |
|
676 |
* |
|
677 |
* @since 3.7.0 |
|
678 |
* |
|
679 |
* @param array $query Date query arguments. |
|
680 |
* @return array { |
|
681 |
* Array containing JOIN and WHERE SQL clauses to append to the main query. |
|
682 |
* |
|
683 |
* @type string $join SQL fragment to append to the main JOIN clause. |
|
684 |
* @type string $where SQL fragment to append to the main WHERE clause. |
|
685 |
* } |
|
| 0 | 686 |
*/ |
687 |
protected function get_sql_for_subquery( $query ) { |
|
| 5 | 688 |
return $this->get_sql_for_clause( $query, '' ); |
689 |
} |
|
690 |
||
691 |
/** |
|
692 |
* Turns a first-order date query into SQL for a WHERE clause. |
|
693 |
* |
|
694 |
* @since 4.1.0 |
|
695 |
* |
|
696 |
* @param array $query Date query clause. |
|
697 |
* @param array $parent_query Parent query of the current date query. |
|
698 |
* @return array { |
|
699 |
* Array containing JOIN and WHERE SQL clauses to append to the main query. |
|
700 |
* |
|
701 |
* @type string $join SQL fragment to append to the main JOIN clause. |
|
702 |
* @type string $where SQL fragment to append to the main WHERE clause. |
|
703 |
* } |
|
704 |
*/ |
|
705 |
protected function get_sql_for_clause( $query, $parent_query ) { |
|
| 0 | 706 |
global $wpdb; |
707 |
||
| 5 | 708 |
// The sub-parts of a $where part. |
| 0 | 709 |
$where_parts = array(); |
710 |
||
711 |
$column = ( ! empty( $query['column'] ) ) ? esc_sql( $query['column'] ) : $this->column; |
|
712 |
||
713 |
$column = $this->validate_column( $column ); |
|
714 |
||
715 |
$compare = $this->get_compare( $query ); |
|
716 |
||
| 5 | 717 |
$inclusive = ! empty( $query['inclusive'] ); |
718 |
||
719 |
// Assign greater- and less-than values. |
|
| 0 | 720 |
$lt = '<'; |
721 |
$gt = '>'; |
|
| 5 | 722 |
|
723 |
if ( $inclusive ) { |
|
| 0 | 724 |
$lt .= '='; |
725 |
$gt .= '='; |
|
726 |
} |
|
727 |
||
| 5 | 728 |
// Range queries. |
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
729 |
if ( ! empty( $query['after'] ) ) { |
| 5 | 730 |
$where_parts[] = $wpdb->prepare( "$column $gt %s", $this->build_mysql_datetime( $query['after'], ! $inclusive ) ); |
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
731 |
} |
|
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
732 |
if ( ! empty( $query['before'] ) ) { |
| 5 | 733 |
$where_parts[] = $wpdb->prepare( "$column $lt %s", $this->build_mysql_datetime( $query['before'], $inclusive ) ); |
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
734 |
} |
| 5 | 735 |
// Specific value queries. |
| 0 | 736 |
|
737 |
if ( isset( $query['year'] ) && $value = $this->build_value( $compare, $query['year'] ) ) |
|
738 |
$where_parts[] = "YEAR( $column ) $compare $value"; |
|
739 |
||
| 5 | 740 |
if ( isset( $query['month'] ) && $value = $this->build_value( $compare, $query['month'] ) ) { |
| 0 | 741 |
$where_parts[] = "MONTH( $column ) $compare $value"; |
| 5 | 742 |
} elseif ( isset( $query['monthnum'] ) && $value = $this->build_value( $compare, $query['monthnum'] ) ) { |
| 0 | 743 |
$where_parts[] = "MONTH( $column ) $compare $value"; |
| 5 | 744 |
} |
745 |
if ( isset( $query['week'] ) && false !== ( $value = $this->build_value( $compare, $query['week'] ) ) ) { |
|
| 0 | 746 |
$where_parts[] = _wp_mysql_week( $column ) . " $compare $value"; |
| 5 | 747 |
} elseif ( isset( $query['w'] ) && false !== ( $value = $this->build_value( $compare, $query['w'] ) ) ) { |
| 0 | 748 |
$where_parts[] = _wp_mysql_week( $column ) . " $compare $value"; |
| 5 | 749 |
} |
| 0 | 750 |
if ( isset( $query['dayofyear'] ) && $value = $this->build_value( $compare, $query['dayofyear'] ) ) |
751 |
$where_parts[] = "DAYOFYEAR( $column ) $compare $value"; |
|
752 |
||
753 |
if ( isset( $query['day'] ) && $value = $this->build_value( $compare, $query['day'] ) ) |
|
754 |
$where_parts[] = "DAYOFMONTH( $column ) $compare $value"; |
|
755 |
||
756 |
if ( isset( $query['dayofweek'] ) && $value = $this->build_value( $compare, $query['dayofweek'] ) ) |
|
757 |
$where_parts[] = "DAYOFWEEK( $column ) $compare $value"; |
|
758 |
||
| 5 | 759 |
if ( isset( $query['dayofweek_iso'] ) && $value = $this->build_value( $compare, $query['dayofweek_iso'] ) ) |
760 |
$where_parts[] = "WEEKDAY( $column ) + 1 $compare $value"; |
|
761 |
||
| 0 | 762 |
if ( isset( $query['hour'] ) || isset( $query['minute'] ) || isset( $query['second'] ) ) { |
| 5 | 763 |
// Avoid notices. |
| 0 | 764 |
foreach ( array( 'hour', 'minute', 'second' ) as $unit ) { |
| 5 | 765 |
if ( ! isset( $query[ $unit ] ) ) { |
766 |
$query[ $unit ] = null; |
|
| 0 | 767 |
} |
768 |
} |
|
769 |
||
770 |
if ( $time_query = $this->build_time_query( $column, $compare, $query['hour'], $query['minute'], $query['second'] ) ) { |
|
771 |
$where_parts[] = $time_query; |
|
772 |
} |
|
773 |
} |
|
774 |
||
| 5 | 775 |
/* |
776 |
* Return an array of 'join' and 'where' for compatibility |
|
777 |
* with other query classes. |
|
778 |
*/ |
|
779 |
return array( |
|
780 |
'where' => $where_parts, |
|
781 |
'join' => array(), |
|
782 |
); |
|
| 0 | 783 |
} |
784 |
||
785 |
/** |
|
786 |
* Builds and validates a value string based on the comparison operator. |
|
787 |
* |
|
788 |
* @since 3.7.0 |
|
789 |
* |
|
790 |
* @param string $compare The compare operator to use |
|
791 |
* @param string|array $value The value |
|
| 5 | 792 |
* @return string|false|int The value to be used in SQL or false on error. |
| 0 | 793 |
*/ |
794 |
public function build_value( $compare, $value ) { |
|
795 |
if ( ! isset( $value ) ) |
|
796 |
return false; |
|
797 |
||
798 |
switch ( $compare ) { |
|
799 |
case 'IN': |
|
800 |
case 'NOT IN': |
|
| 5 | 801 |
$value = (array) $value; |
802 |
||
803 |
// Remove non-numeric values. |
|
804 |
$value = array_filter( $value, 'is_numeric' ); |
|
805 |
||
806 |
if ( empty( $value ) ) { |
|
807 |
return false; |
|
808 |
} |
|
809 |
||
810 |
return '(' . implode( ',', array_map( 'intval', $value ) ) . ')'; |
|
| 0 | 811 |
|
812 |
case 'BETWEEN': |
|
813 |
case 'NOT BETWEEN': |
|
| 5 | 814 |
if ( ! is_array( $value ) || 2 != count( $value ) ) { |
| 0 | 815 |
$value = array( $value, $value ); |
| 5 | 816 |
} else { |
817 |
$value = array_values( $value ); |
|
818 |
} |
|
819 |
||
820 |
// If either value is non-numeric, bail. |
|
821 |
foreach ( $value as $v ) { |
|
822 |
if ( ! is_numeric( $v ) ) { |
|
823 |
return false; |
|
824 |
} |
|
825 |
} |
|
| 0 | 826 |
|
827 |
$value = array_map( 'intval', $value ); |
|
828 |
||
829 |
return $value[0] . ' AND ' . $value[1]; |
|
830 |
||
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
831 |
default: |
| 5 | 832 |
if ( ! is_numeric( $value ) ) { |
833 |
return false; |
|
834 |
} |
|
835 |
||
| 0 | 836 |
return (int) $value; |
837 |
} |
|
838 |
} |
|
839 |
||
840 |
/** |
|
841 |
* Builds a MySQL format date/time based on some query parameters. |
|
842 |
* |
|
843 |
* You can pass an array of values (year, month, etc.) with missing parameter values being defaulted to |
|
844 |
* either the maximum or minimum values (controlled by the $default_to parameter). Alternatively you can |
|
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
845 |
* pass a string that will be run through strtotime(). |
| 0 | 846 |
* |
847 |
* @since 3.7.0 |
|
848 |
* |
|
| 5 | 849 |
* @param string|array $datetime An array of parameters or a strotime() string |
850 |
* @param bool $default_to_max Whether to round up incomplete dates. Supported by values |
|
851 |
* of $datetime that are arrays, or string values that are a |
|
852 |
* subset of MySQL date format ('Y', 'Y-m', 'Y-m-d', 'Y-m-d H:i'). |
|
853 |
* Default: false. |
|
| 0 | 854 |
* @return string|false A MySQL format date/time or false on failure |
855 |
*/ |
|
856 |
public function build_mysql_datetime( $datetime, $default_to_max = false ) { |
|
857 |
$now = current_time( 'timestamp' ); |
|
858 |
||
859 |
if ( ! is_array( $datetime ) ) { |
|
| 5 | 860 |
|
861 |
/* |
|
862 |
* Try to parse some common date formats, so we can detect |
|
863 |
* the level of precision and support the 'inclusive' parameter. |
|
864 |
*/ |
|
865 |
if ( preg_match( '/^(\d{4})$/', $datetime, $matches ) ) { |
|
866 |
// Y |
|
867 |
$datetime = array( |
|
868 |
'year' => intval( $matches[1] ), |
|
869 |
); |
|
870 |
||
871 |
} elseif ( preg_match( '/^(\d{4})\-(\d{2})$/', $datetime, $matches ) ) { |
|
872 |
// Y-m |
|
873 |
$datetime = array( |
|
874 |
'year' => intval( $matches[1] ), |
|
875 |
'month' => intval( $matches[2] ), |
|
876 |
); |
|
877 |
||
878 |
} elseif ( preg_match( '/^(\d{4})\-(\d{2})\-(\d{2})$/', $datetime, $matches ) ) { |
|
879 |
// Y-m-d |
|
880 |
$datetime = array( |
|
881 |
'year' => intval( $matches[1] ), |
|
882 |
'month' => intval( $matches[2] ), |
|
883 |
'day' => intval( $matches[3] ), |
|
884 |
); |
|
885 |
||
886 |
} elseif ( preg_match( '/^(\d{4})\-(\d{2})\-(\d{2}) (\d{2}):(\d{2})$/', $datetime, $matches ) ) { |
|
887 |
// Y-m-d H:i |
|
888 |
$datetime = array( |
|
889 |
'year' => intval( $matches[1] ), |
|
890 |
'month' => intval( $matches[2] ), |
|
891 |
'day' => intval( $matches[3] ), |
|
892 |
'hour' => intval( $matches[4] ), |
|
893 |
'minute' => intval( $matches[5] ), |
|
894 |
); |
|
895 |
} |
|
896 |
||
897 |
// If no match is found, we don't support default_to_max. |
|
898 |
if ( ! is_array( $datetime ) ) { |
|
899 |
// @todo Timezone issues here possibly |
|
900 |
return gmdate( 'Y-m-d H:i:s', strtotime( $datetime, $now ) ); |
|
901 |
} |
|
| 0 | 902 |
} |
903 |
||
904 |
$datetime = array_map( 'absint', $datetime ); |
|
905 |
||
906 |
if ( ! isset( $datetime['year'] ) ) |
|
907 |
$datetime['year'] = gmdate( 'Y', $now ); |
|
908 |
||
909 |
if ( ! isset( $datetime['month'] ) ) |
|
910 |
$datetime['month'] = ( $default_to_max ) ? 12 : 1; |
|
911 |
||
912 |
if ( ! isset( $datetime['day'] ) ) |
|
913 |
$datetime['day'] = ( $default_to_max ) ? (int) date( 't', mktime( 0, 0, 0, $datetime['month'], 1, $datetime['year'] ) ) : 1; |
|
914 |
||
915 |
if ( ! isset( $datetime['hour'] ) ) |
|
916 |
$datetime['hour'] = ( $default_to_max ) ? 23 : 0; |
|
917 |
||
918 |
if ( ! isset( $datetime['minute'] ) ) |
|
919 |
$datetime['minute'] = ( $default_to_max ) ? 59 : 0; |
|
920 |
||
921 |
if ( ! isset( $datetime['second'] ) ) |
|
922 |
$datetime['second'] = ( $default_to_max ) ? 59 : 0; |
|
923 |
||
924 |
return sprintf( '%04d-%02d-%02d %02d:%02d:%02d', $datetime['year'], $datetime['month'], $datetime['day'], $datetime['hour'], $datetime['minute'], $datetime['second'] ); |
|
925 |
} |
|
926 |
||
927 |
/** |
|
928 |
* Builds a query string for comparing time values (hour, minute, second). |
|
929 |
* |
|
930 |
* If just hour, minute, or second is set than a normal comparison will be done. |
|
931 |
* However if multiple values are passed, a pseudo-decimal time will be created |
|
932 |
* in order to be able to accurately compare against. |
|
933 |
* |
|
934 |
* @since 3.7.0 |
|
935 |
* |
|
936 |
* @param string $column The column to query against. Needs to be pre-validated! |
|
937 |
* @param string $compare The comparison operator. Needs to be pre-validated! |
|
938 |
* @param int|null $hour Optional. An hour value (0-23). |
|
939 |
* @param int|null $minute Optional. A minute value (0-59). |
|
940 |
* @param int|null $second Optional. A second value (0-59). |
|
941 |
* @return string|false A query part or false on failure. |
|
942 |
*/ |
|
943 |
public function build_time_query( $column, $compare, $hour = null, $minute = null, $second = null ) { |
|
944 |
global $wpdb; |
|
945 |
||
946 |
// Have to have at least one |
|
947 |
if ( ! isset( $hour ) && ! isset( $minute ) && ! isset( $second ) ) |
|
948 |
return false; |
|
949 |
||
950 |
// Complex combined queries aren't supported for multi-value queries |
|
951 |
if ( in_array( $compare, array( 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN' ) ) ) { |
|
952 |
$return = array(); |
|
953 |
||
954 |
if ( isset( $hour ) && false !== ( $value = $this->build_value( $compare, $hour ) ) ) |
|
955 |
$return[] = "HOUR( $column ) $compare $value"; |
|
956 |
||
957 |
if ( isset( $minute ) && false !== ( $value = $this->build_value( $compare, $minute ) ) ) |
|
958 |
$return[] = "MINUTE( $column ) $compare $value"; |
|
959 |
||
960 |
if ( isset( $second ) && false !== ( $value = $this->build_value( $compare, $second ) ) ) |
|
961 |
$return[] = "SECOND( $column ) $compare $value"; |
|
962 |
||
963 |
return implode( ' AND ', $return ); |
|
964 |
} |
|
965 |
||
966 |
// Cases where just one unit is set |
|
967 |
if ( isset( $hour ) && ! isset( $minute ) && ! isset( $second ) && false !== ( $value = $this->build_value( $compare, $hour ) ) ) { |
|
968 |
return "HOUR( $column ) $compare $value"; |
|
969 |
} elseif ( ! isset( $hour ) && isset( $minute ) && ! isset( $second ) && false !== ( $value = $this->build_value( $compare, $minute ) ) ) { |
|
970 |
return "MINUTE( $column ) $compare $value"; |
|
971 |
} elseif ( ! isset( $hour ) && ! isset( $minute ) && isset( $second ) && false !== ( $value = $this->build_value( $compare, $second ) ) ) { |
|
972 |
return "SECOND( $column ) $compare $value"; |
|
973 |
} |
|
974 |
||
975 |
// Single units were already handled. Since hour & second isn't allowed, minute must to be set. |
|
976 |
if ( ! isset( $minute ) ) |
|
977 |
return false; |
|
978 |
||
979 |
$format = $time = ''; |
|
980 |
||
981 |
// Hour |
|
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
982 |
if ( null !== $hour ) { |
| 0 | 983 |
$format .= '%H.'; |
984 |
$time .= sprintf( '%02d', $hour ) . '.'; |
|
985 |
} else { |
|
986 |
$format .= '0.'; |
|
987 |
$time .= '0.'; |
|
988 |
} |
|
989 |
||
990 |
// Minute |
|
991 |
$format .= '%i'; |
|
992 |
$time .= sprintf( '%02d', $minute ); |
|
993 |
||
994 |
if ( isset( $second ) ) { |
|
995 |
$format .= '%s'; |
|
996 |
$time .= sprintf( '%02d', $second ); |
|
997 |
} |
|
998 |
||
999 |
return $wpdb->prepare( "DATE_FORMAT( $column, %s ) $compare %f", $format, $time ); |
|
1000 |
} |
|
1001 |
} |