BW_List_Table::months_dropdown() – Display a monthly dropdown for filtering items

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Description

Display a monthly dropdown for filtering items

Usage

BW_List_Table::months_dropdown( $post_type );

Parameters

$post_type

( string ) required –

Returns

void

Source

File name: oik/admin/class-bw-list-table.php
Lines:

  protected function months_dropdown( $post_type ) {
    global $wpdb, $wp_locale;

    
/**
 * Filter whether to remove the 'Months' drop-down from the post list table.
 *
 * @since 4.2.0
 *
 * @param bool   $disable   Whether to disable the drop-down. Default false.
 * @param string $post_type The post type.
 */
    if ( apply_filters( 'disable_months_dropdown', false, $post_type ) ) {
      return;
    }

    $months = $wpdb->get_results( $wpdb->prepare( "
			SELECT DISTINCT YEAR( post_date ) AS year, MONTH( post_date ) AS month
			FROM $wpdb->posts
			WHERE post_type = %s
			ORDER BY post_date DESC
		", $post_type ) );

    
/**
 * Filter the 'Months' drop-down results.
 *
 * @since 3.7.0
 *
 * @param object $months    The months drop-down query results.
 * @param string $post_type The post type.
 */
    $months = apply_filters( 'months_dropdown_results', $months, $post_type );

    $month_count = count( $months );

    if ( !$month_count || ( 1 == $month_count && 0 == $months[0]->month ) )
      return;

    $m = isset( $_GET['m'] ) ? (int) $_GET['m'] : 0;
?>
		<label for="filter-by-date" class="screen-reader-text"><?php _e( 'Filter by date' ); ?></label>
		<select name="m" id="filter-by-date">
			<option<?php selected( $m, 0 ); ?> value="0"><?php _e( 'All dates' ); ?></option>
<?php
    foreach ( $months as $arc_row ) {
      if ( 0 == $arc_row->year )
        continue;

      $month = zeroise( $arc_row->month, 2 );
      $year = $arc_row->year;

      printf( "<option %s value='%s'>%s</option>\n",
        selected( $m, $year . $month, false ),
        esc_attr( $arc_row->year . $month ),
        /* translators: 1: month name, 2: 4-digit year */
        sprintf( __( '%1$s %2$d' ), $wp_locale->get_month( $month ), $year )
      );
    }
?>
		</select>
<?php
  }
 

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