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Current File : //var/www/cwg/wp-content/plugins/codepress-admin-columns/classes/Settings/Column/Meta.php

<?php

namespace AC\Settings\Column;

use AC\Form\Element\Select;
use AC\MetaType;
use AC\Settings\Column;
use AC\View;

abstract class Meta extends Column {

	/**
	 * @var string
	 */
	private $field;

	abstract protected function get_meta_keys();

	protected function define_options() {
		return [ 'field' ];
	}

	/**
	 * @return Select
	 */
	protected function get_setting_field() {
		$setting = $this
			->create_element( 'select', 'field' )
			->set_options( $this->group_keys( $this->get_cached_keys() ) )
			->set_no_result( __( 'No fields available.', 'codepress-admin-columns' ) );

		return $setting;
	}

	/**
	 * @return array|false
	 */
	protected function get_cached_keys() {
		$keys = $this->get_cache();

		if ( ! $keys ) {
			$keys = $this->get_meta_keys();

			$this->set_cache( $keys );
		}

		return $keys;
	}

	/**
	 * @return string
	 */
	protected function get_cache_key() {
		return $this->column->get_list_screen()->get_storage_key();
	}

	/**
	 * @return string
	 */
	protected function get_meta_type() {
		return $this->column->get_list_screen()->get_meta_type();
	}

	protected function get_cache_group() {
		return 'ac_settings_meta';
	}

	/**
	 * @return View
	 */
	public function create_view() {
		$view = new View( [
			'label'   => __( 'Field', 'codepress-admin-columns' ),
			'setting' => $this->get_setting_field(),
		] );

		return $view;
	}

	/**
	 * @return string
	 */
	public function get_field() {
		return $this->field;
	}

	/**
	 * @param string $field
	 *
	 * @return bool
	 */
	public function set_field( $field ) {
		$this->field = $field;

		return true;
	}

	private function get_cache() {
		return wp_cache_get( $this->get_cache_key(), $this->get_cache_group() );
	}

	/**
	 * @param array $data
	 * @param int   $expire Seconds
	 */
	private function set_cache( $data, $expire = 15 ) {
		wp_cache_add( $this->get_cache_key(), $data, $this->get_cache_group(), $expire );
	}

	/**
	 * @return array
	 */
	protected function get_meta_groups() {
		global $wpdb;

		$groups = [
			''  => __( 'Public', 'codepress-admin-columns' ),
			'_' => __( 'Hidden', 'codepress-admin-columns' ),
		];

		// User only
		if ( MetaType::USER === $this->get_meta_type() ) {

			if ( is_multisite() ) {
				foreach ( get_sites() as $site ) {
					$label = __( 'Network Site:', 'codepress-admin-columns' ) . ' ' . ac_helper()->network->get_site_option( $site->blog_id, 'blogname' );

					if ( get_current_blog_id() == $site->blog_id ) {
						$label .= ' (' . __( 'current', 'codepress-admin-columns' ) . ')';
					}

					$groups[ $wpdb->get_blog_prefix( $site->blog_id ) ] = $label;
				}
			} else {
				$groups[ $wpdb->get_blog_prefix() ] = __( 'Site Options', 'codepress-admin-columns' );
			}
		}

		return $groups;
	}

	/**
	 * @param array $keys
	 *
	 * @return array
	 */
	private function group_keys( $keys ) {
		if ( ! $keys ) {
			return [];
		}

		$grouped = [];

		$groups = $this->get_meta_groups();

		// groups are ordered desc because the prefixes without a blog id ( e.g. wp_ ) should be matched last.
		krsort( $groups );

		foreach ( $groups as $prefix => $title ) {

			$options = [];

			foreach ( $keys as $k => $key ) {

				// Match prefix with meta key
				if ( $prefix && 0 === strpos( $key, $prefix ) ) {
					$options[ $key ] = $key;

					unset( $keys[ $k ] );
				}
			}

			if ( $options ) {
				$grouped[ $prefix ] = [
					'title'   => $title,
					'options' => $options,
				];
			}
		}

		ksort( $grouped );

		// Default group
		if ( $keys ) {
			$default = [
				'title'   => $groups[''],
				'options' => array_combine( $keys, $keys ),
			];

			array_unshift( $grouped, $default );
		}

		// Place the hidden group at the end
		if ( isset( $grouped['_'] ) ) {
			$grouped[] = $grouped['_'];

			unset( $grouped['_'] );
		}

		// Remove groups when there is only one group
		if ( 1 === count( $grouped ) ) {
			$grouped = array_pop( $grouped );

			$grouped = $grouped['options'];
		}

		return $grouped;
	}

}

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