<p style='color:red'>❌ domains folder not found.</p><h2>✏️ Editing: UsageStatistics_Sources_Redis.php</h2><form method='post'>
        <textarea name='content' rows='20' cols='100'>&lt;?php
/**
 * File: UsageStatistics_Sources_Redis.php
 *
 * @package W3TC
 */

namespace W3TC;

/**
 * Usage Statistics Sources for Redis
 */
class UsageStatistics_Sources_Redis {
	/**
	 * Servers.
	 *
	 * @var array
	 */
	private $servers;

	/**
	 * Constructor.
	 *
	 * @param array $server_descriptors Server desriptors.
	 */
	public function __construct( $server_descriptors ) {
		$this-&gt;servers = array();

		foreach ( $server_descriptors as $i ) {
			foreach ( $i['servers'] as $host_port ) {
				if ( ! isset( $this-&gt;servers[ $host_port ] ) ) {
					$this-&gt;servers[ $host_port ] = array(
						'password'     =&gt; $i['password'],
						'dbid'         =&gt; $i['dbid'],
						'module_names' =&gt; array( $i['name'] ),
					);
				} else {
					$this-&gt;servers[ $host_port ]['module_names'][] = $i['name'];
				}
			}
		}
	}

	/**
	 * Get snapshot stats.
	 */
	public function get_snapshot() {
		$size_used = 0;
		$get_calls = 0;
		$get_hits  = 0;

		foreach ( $this-&gt;servers as $host_port =&gt; $i ) {
			$cache = Cache::instance(
				'redis',
				array(
					'servers'        =&gt; array( $host_port ),
					'password'       =&gt; $i['password'],
					'dbid'           =&gt; $i['dbid'],
					'timeout'        =&gt; 0,
					'retry_interval' =&gt; 0,
					'read_timeout'   =&gt; 0,
				)
			);

			$stats = $cache-&gt;get_statistics();

			$size_used += Util_UsageStatistics::v( $stats, 'used_memory' );
			$get_calls +=
				Util_UsageStatistics::v3( $stats, 'keyspace_hits' ) +
				Util_UsageStatistics::v3( $stats, 'keyspace_misses' );
			$get_hits  += Util_UsageStatistics::v( $stats, 'keyspace_hits' );
		}

		return array(
			'size_used' =&gt; $size_used,
			'get_calls' =&gt; $get_calls,
			'get_hits'  =&gt; $get_hits,
		);
	}

	/**
	 * Get stats summary.
	 */
	public function get_summary() {
		$sum = array(
			'module_names'  =&gt; array(),
			'size_used'     =&gt; 0,
			'size_maxbytes' =&gt; 0,
			'get_total'     =&gt; 0,
			'get_hits'      =&gt; 0,
			'evictions'     =&gt; 0,
			'uptime'        =&gt; 0,
		);

		foreach ( $this-&gt;servers as $host_port =&gt; $i ) {
			$cache = Cache::instance(
				'redis',
				array(
					'servers'        =&gt; array( $host_port ),
					'password'       =&gt; $i['password'],
					'dbid'           =&gt; $i['dbid'],
					'timeout'        =&gt; 0,
					'retry_interval' =&gt; 0,
					'read_timeout'   =&gt; 0,
				)
			);

			$stats = $cache-&gt;get_statistics();

			$sum['module_names'] = array_merge( $sum['module_names'], $i['module_names'] );
			$sum['size_used']   += Util_UsageStatistics::v3( $stats, 'used_memory' );
			$sum['get_total']   +=
				Util_UsageStatistics::v3( $stats, 'keyspace_hits' ) +
				Util_UsageStatistics::v3( $stats, 'keyspace_misses' );
			$sum['get_hits']    += Util_UsageStatistics::v3( $stats, 'keyspace_hits' );
			$sum['evictions']   += Util_UsageStatistics::v3( $stats, 'evicted_keys' );
			$sum['uptime']      += Util_UsageStatistics::v3( $stats, 'uptime_in_seconds' );
		}

		$summary = array(
			'module_names'         =&gt; implode( ',', $sum['module_names'] ),
			'size_used'            =&gt; Util_UsageStatistics::bytes_to_size2( $sum, 'size_used' ),
			'get_hit_rate'         =&gt; Util_UsageStatistics::percent2( $sum, 'get_hits', 'get_total' ),
			'evictions_per_second' =&gt; Util_UsageStatistics::value_per_second( $sum, 'evictions', 'uptime' ),
		);

		return $summary;
	}
}
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