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/home/techb158/on-time-movers.com/wp-content/plugins/litespeed-cache/src/

/home/techb158/on-time-movers.com/wp-content/plugins/litespeed-cache/src

Name	Size	Mode	Actions
cdn/	-	0755	rm
data_structure/	-	0755	rm
activation.cls.php	17723	0644	edit dl rm
admin-display.cls.php	49632	0644	edit dl rm
admin-settings.cls.php	11383	0644	edit dl rm
admin.cls.php	6276	0644	edit dl rm
api.cls.php	10612	0644	edit dl rm
avatar.cls.php	8860	0644	edit dl rm
base.cls.php	38560	0644	edit dl rm
cdn.cls.php	16300	0644	edit dl rm
cloud-auth-callback.trait.php	10683	0644	edit dl rm
cloud-auth-ip.trait.php	4433	0644	edit dl rm
cloud-auth.trait.php	9608	0644	edit dl rm
cloud-misc.trait.php	10572	0644	edit dl rm
cloud-node.trait.php	6090	0644	edit dl rm
cloud-request.trait.php	20157	0644	edit dl rm
cloud.cls.php	7500	0644	edit dl rm
conf.cls.php	20000	0644	edit dl rm
control.cls.php	24933	0644	edit dl rm
core.cls.php	21474	0644	edit dl rm
crawler-map.cls.php	19874	0644	edit dl rm
crawler.cls.php	45795	0644	edit dl rm
css.cls.php	18200	0644	edit dl rm
data.cls.php	22738	0644	edit dl rm
data.upgrade.func.php	5856	0644	edit dl rm
db-optm.cls.php	15717	0644	edit dl rm
debug2.cls.php	18842	0644	edit dl rm
doc.cls.php	5577	0644	edit dl rm
error.cls.php	7530	0644	edit dl rm
esi.cls.php	27834	0644	edit dl rm
file.cls.php	10823	0644	edit dl rm
guest.cls.php	2821	0644	edit dl rm
gui.cls.php	37451	0644	edit dl rm
health.cls.php	2899	0644	edit dl rm
htaccess.cls.php	30526	0644	edit dl rm
img-optm-manage.trait.php	31586	0644	edit dl rm
img-optm-pull.trait.php	22632	0644	edit dl rm
img-optm-send.trait.php	22422	0644	edit dl rm
img-optm.cls.php	5383	0644	edit dl rm
import.cls.php	4395	0644	edit dl rm
import.preset.cls.php	5633	0644	edit dl rm
lang.cls.php	17430	0644	edit dl rm
localization.cls.php	4123	0644	edit dl rm
media.cls.php	45142	0644	edit dl rm
metabox.cls.php	5419	0644	edit dl rm
object-cache-wp.cls.php	19268	0644	edit dl rm
object-cache.cls.php	21450	0644	edit dl rm
object.lib.php	14504	0644	edit dl rm
optimize.cls.php	39568	0644	edit dl rm
optimizer.cls.php	10754	0644	edit dl rm
placeholder.cls.php	18358	0644	edit dl rm
purge.cls.php	35235	0644	edit dl rm
report.cls.php	6266	0644	edit dl rm
rest.cls.php	9301	0644	edit dl rm
root.cls.php	14631	0644	edit dl rm
router.cls.php	21256	0644	edit dl rm
str.cls.php	3156	0644	edit dl rm
tag.cls.php	9481	0644	edit dl rm
task.cls.php	7219	0644	edit dl rm
tool.cls.php	4268	0644	edit dl rm
ucss.cls.php	16739	0644	edit dl rm
utility.cls.php	26638	0644	edit dl rm
vary.cls.php	21842	0644	edit dl rm
vpi.cls.php	9600	0644	edit dl rm

Edit: /home/techb158/on-time-movers.com/wp-content/plugins/litespeed-cache/src/cloud-request.trait.php (20157B)

<?php
/**
 * Cloud request trait
 *
 * @package LiteSpeed
 * @since 7.8
 */

namespace LiteSpeed;

defined( 'WPINC' ) || exit();

/**
 * Trait Cloud_Request
 *
 * Handles HTTP requests to QUIC.cloud servers.
 */
trait Cloud_Request {

/**
	 * Get data from QUIC cloud server
	 *
	 * @since 3.0
	 * @access public
	 *
	 * @param string $service Service.
	 * @param array  $data    Data.
	 * @return mixed
	 */
	public static function get( $service, $data = [] ) {
		$instance = self::cls();
		return $instance->_get( $service, $data );
	}

/**
	 * Get data from QUIC cloud server (private)
	 *
	 * @since 3.0
	 * @access private
	 *
	 * @param string     $service Service.
	 * @param array|bool $data    Data array or false to omit.
	 * @return mixed
	 */
	private function _get( $service, $data = false ) {
		$service_tag = $service;
		if ( ! empty( $data['action'] ) ) {
			$service_tag .= '-' . $data['action'];
		}

$maybe_cloud = $this->_maybe_cloud( $service_tag );
		if ( ! $maybe_cloud || 'svc_hot' === $maybe_cloud ) {
			return $maybe_cloud;
		}

$server = $this->detect_cloud( $service );
		if ( ! $server ) {
			return;
		}

$url = $server . '/' . $service;

$param = [
			'site_url'   => site_url(),
			'main_domain'=> ! empty( $this->_summary['main_domain'] ) ? $this->_summary['main_domain'] : '',
			'ver'        => Core::VER,
		];

if ( $data ) {
			$param['data'] = $data;
		}

$url .= '?' . http_build_query( $param );

self::debug( 'getting from : ' . $url );

self::save_summary( [ 'curr_request.' . $service_tag => time() ] );
		File::save( $this->_qc_time_file( $service_tag, 'curr' ), time(), true );

$response = wp_safe_remote_get(
			$url,
			[
				'timeout' => 15,
				'headers' => [ 'Accept' => 'application/json' ],
			]
		);

return $this->_parse_response( $response, $service, $service_tag, $server );
	}

/**
	 * Check if is able to do cloud request or not
	 *
	 * @since 3.0
	 * @access private
	 *
	 * @param string $service_tag Service tag.
	 * @return bool|string
	 */
	private function _maybe_cloud( $service_tag ) {
		$site_url = site_url();
		if ( ! wp_http_validate_url( $site_url ) ) {
			self::debug( 'wp_http_validate_url failed: ' . $site_url );
			return false;
		}

// Deny if is IP
		if ( preg_match( '#^(([1-9]?\d|1\d\d|25[0-5]|2[0-4]\d)\.){3}([1-9]?\d|1\d\d|25[0-5]|2[0-4]\d)$#', Utility::parse_url_safe( $site_url, PHP_URL_HOST ) ) ) {
			self::debug( 'IP home url is not allowed for cloud service.' );
			$msg = __( 'In order to use QC services, need a real domain name, cannot use an IP.', 'litespeed-cache' );
			Admin_Display::error( $msg );
			return false;
		}

// If in valid err_domains, bypass request
		if ( $this->_is_err_domain( $site_url ) ) {
			self::debug( 'home url is in err_domains, bypass request: ' . $site_url );
			return false;
		}

// we don't want the `img_optm-taken` to fail at any given time
		if ( self::IMGOPTM_TAKEN === $service_tag ) {
			return true;
		}

if ( self::SVC_D_SYNC_CONF === $service_tag && ! $this->activated() ) {
			self::debug( 'Skip sync conf as QC not activated yet.' );
			return false;
		}

// Check TTL
		if ( ! empty( $this->_summary[ 'ttl.' . $service_tag ] ) ) {
			$ttl = (int) $this->_summary[ 'ttl.' . $service_tag ] - time();
			if ( $ttl > 0 ) {
				self::debug( '❌ TTL limit. [srv] ' . $service_tag . ' [TTL cool down] ' . $ttl . ' seconds' );
				return 'svc_hot';
			}
		}

$expiration_req = self::EXPIRATION_REQ;
		// Limit frequent unfinished request to 5min
		$timestamp_tag = 'curr';
		if ( self::SVC_IMG_OPTM . '-' . Img_Optm::TYPE_NEW_REQ === $service_tag ) {
			$timestamp_tag = 'last';
		}

// For all other requests, if is under debug mode, will always allow
		if ( ! $this->conf( self::O_DEBUG ) ) {
			if ( ! empty( $this->_summary[ $timestamp_tag . '_request.' . $service_tag ] ) ) {
				$expired = (int) $this->_summary[ $timestamp_tag . '_request.' . $service_tag ] + $expiration_req - time();
				if ( $expired > 0 ) {
					self::debug( '❌ try [' . $service_tag . '] after ' . $expired . ' seconds' );

if ( self::API_VER !== $service_tag ) {
						$msg =
							__( 'Cloud Error', 'litespeed-cache' ) .
							': ' .
							sprintf(
								__( 'Please try after %1$s for service %2$s.', 'litespeed-cache' ),
								Utility::readable_time( $expired, 0, true ),
								'<code>' . $service_tag . '</code>'
							);
						Admin_Display::error( [ 'cloud_trylater' => $msg ] );
					}

return false;
				}
			} else {
				// May fail to store to db if db is oc cached/dead/locked/readonly. Need to store to file to prevent from duplicate calls
				$file_path = $this->_qc_time_file( $service_tag, $timestamp_tag );
				if ( file_exists( $file_path ) ) {
					$last_request = File::read( $file_path );
					$expired      = (int) $last_request + $expiration_req * 10 - time();
					if ( $expired > 0 ) {
						self::debug( '❌ try [' . $service_tag . '] after ' . $expired . ' seconds' );
						return false;
					}
				}
				// For ver check, additional check to prevent frequent calls as old DB ver may be cached
				if ( self::API_VER === $service_tag ) {
					$file_path = $this->_qc_time_file( $service_tag );
					if ( file_exists( $file_path ) ) {
						$last_request = File::read( $file_path );
						$expired      = (int) $last_request + $expiration_req * 10 - time();
						if ( $expired > 0 ) {
							self::debug( '❌❌ Unusual req! try [' . $service_tag . '] after ' . $expired . ' seconds' );
							return false;
						}
					}
				}
			}
		}

if ( in_array( $service_tag, self::$_pub_svc_set, true ) ) {
			return true;
		}

if ( ! $this->activated() && self::SVC_D_ACTIVATE !== $service_tag ) {
			Admin_Display::error( Error::msg( 'qc_setup_required' ) );
			return false;
		}

return true;
	}

/**
	 * Get QC req ts file path
	 *
	 * @since 7.5
	 *
	 * @param string $service_tag Service tag.
	 * @param string $type        Type: 'last' or 'curr'.
	 * @return string
	 */
	private function _qc_time_file( $service_tag, $type = 'last' ) {
		if ( 'curr' !== $type ) {
			$type = 'last';
		}
		$legacy_file = LITESPEED_STATIC_DIR . '/qc_' . $type . '_request' . md5( $service_tag );
		if ( file_exists( $legacy_file ) ) {
			wp_delete_file( $legacy_file );
		}
		$service_tag = preg_replace( '/[^a-zA-Z0-9]/', '', $service_tag );
		return LITESPEED_STATIC_DIR . '/qc.' . $type . '.' . $service_tag;
	}

/**
	 * Check if a service tag ttl is valid or not
	 *
	 * @since 7.1
	 *
	 * @param string $service_tag Service tag.
	 * @return int|false Seconds remaining or false if not hot.
	 */
	public function service_hot( $service_tag ) {
		if ( empty( $this->_summary[ 'ttl.' . $service_tag ] ) ) {
			return false;
		}

$ttl = (int) $this->_summary[ 'ttl.' . $service_tag ] - time();
		if ( $ttl <= 0 ) {
			return false;
		}

return $ttl;
	}

/**
	 * Post data to QUIC.cloud server
	 *
	 * @since  3.0
	 * @access public
	 *
	 * @param string     $service  Service name/route.
	 * @param array|bool $data     Payload data or false to omit.
	 * @param int|false  $time_out Timeout seconds or false for default.
	 * @return mixed Response payload or false on failure.
	 */
	public static function post( $service, $data = false, $time_out = false ) {
		$instance = self::cls();
		return $instance->_post( $service, $data, $time_out );
	}

/**
	 * Post data to cloud server
	 *
	 * @since  3.0
	 * @access private
	 *
	 * @param string     $service  Service name/route.
	 * @param array|bool $data     Payload data or false to omit.
	 * @param int|false  $time_out Timeout seconds or false for default.
	 * @return mixed Response payload or false on failure.
	 */
	private function _post( $service, $data = false, $time_out = false ) {
		$service_tag = $service;
		if ( ! empty( $data['action'] ) ) {
			$service_tag .= '-' . $data['action'];
		}

$maybe_cloud = $this->_maybe_cloud( $service_tag );
		if ( ! $maybe_cloud || 'svc_hot' === $maybe_cloud ) {
			self::debug( 'Maybe cloud failed: ' . wp_json_encode( $maybe_cloud ) );
			return $maybe_cloud;
		}

$server = $this->detect_cloud( $service );
		if ( ! $server ) {
			return;
		}

$url = $server . '/' . $this->_maybe_queue( $service );

self::debug( 'posting to : ' . $url );

if ( $data ) {
			$data['service_type'] = $service; // For queue distribution usage
		}

// Encrypt service as signature
		// $signature_ts = time();
		// $sign_data = [
		// 'service_tag' => $service_tag,
		// 'ts' => $signature_ts,
		// ];
		// $data['signature_b64'] = $this->_sign_b64(implode('', $sign_data));
		// $data['signature_ts'] = $signature_ts;

self::debug( 'data', $data );
		$param = [
			'site_url'    => site_url(), // Need to use site_url() as WPML case may change home_url() for diff langs (no need to treat as alias for multi langs)
			'main_domain' => ! empty( $this->_summary['main_domain'] ) ? $this->_summary['main_domain'] : '',
			'wp_pk_b64'   => ! empty( $this->_summary['pk_b64'] ) ? $this->_summary['pk_b64'] : '',
			'ver'         => Core::VER,
			'data'        => $data,
		];

self::save_summary( [ 'curr_request.' . $service_tag => time() ] );
		File::save( $this->_qc_time_file( $service_tag, 'curr' ), time(), true );

$response = wp_safe_remote_post(
			$url,
			[
				'body'    => $param,
				'timeout' => $time_out ? $time_out : 30,
				'headers' => [
					'Accept' => 'application/json',
					'Expect' => '',
				],
			]
		);

return $this->_parse_response( $response, $service, $service_tag, $server );
	}

/**
	 * Parse response JSON
	 * Mark the request successful if the response status is ok
	 *
	 * @since  3.0
	 *
	 * @param array|mixed $response    WP HTTP API response.
	 * @param string      $service     Service name.
	 * @param string      $service_tag Service tag including action.
	 * @param string      $server      Server URL.
	 * @return array|false Parsed JSON array or false on failure.
	 */
	private function _parse_response( $response, $service, $service_tag, $server ) {
		// If show the error or not if failed
		$visible_err = self::API_VER !== $service && self::API_NEWS !== $service && self::SVC_D_DASH !== $service;

if ( is_wp_error( $response ) ) {
			$error_message = $response->get_error_message();
			self::debug( 'failed to request: ' . $error_message );

if ( $visible_err ) {
				$msg = esc_html__( 'Failed to request via WordPress', 'litespeed-cache' ) . ': ' . esc_html( $error_message ) . ' [server] ' . esc_html( $server ) . ' [service] ' . esc_html( $service );
				Admin_Display::error( $msg );

// Tmp disabled this node from reusing in 1 day
				if ( empty( $this->_summary['disabled_node'] ) ) {
					$this->_summary['disabled_node'] = [];
				}
				$this->_summary['disabled_node'][ $server ] = time();
				self::save_summary();

// Force redetect node
				self::debug( 'Node error, redetecting node [svc] ' . $service );
				$this->detect_cloud( $service, true );
			}
			return false;
		}

$json = \json_decode( $response['body'], true );

if ( ! is_array( $json ) ) {
			self::debugErr( 'failed to decode response json: ' . $response['body'] );

if ( $visible_err ) {
				$msg = esc_html__( 'Failed to request via WordPress', 'litespeed-cache' ) . ': ' . esc_html( $response['body'] ) . ' [server] ' . esc_html( $server ) . ' [service] ' . esc_html( $service );
				Admin_Display::error( $msg );

// Force redetect node
				self::debugErr( 'Node error, redetecting node [svc] ' . $service );
				$this->detect_cloud( $service, true );
			}

return false;
		}

// Check and save TTL data
		if ( ! empty( $json['_ttl'] ) ) {
			$ttl = (int) $json['_ttl'];
			self::debug( 'Service TTL to save: ' . $ttl );
			if ( $ttl > 0 && $ttl < 86400 ) {
				self::save_summary([
					'ttl.' . $service_tag => $ttl + time(),
				]);
			}
		}

if ( ! empty( $json['_code'] ) ) {
			self::debugErr( 'Hit err _code: ' . $json['_code'] );
			if ( 'unpulled_images' === $json['_code'] ) {
				$msg = __( 'Cloud server refused the current request due to unpulled images. Please pull the images first.', 'litespeed-cache' );
				Admin_Display::error( $msg );
				return false;
			}
			if ( 'blocklisted' === $json['_code'] ) {
				$msg = __( 'Your domain_key has been temporarily blocklisted to prevent abuse. You may contact support at QUIC.cloud to learn more.', 'litespeed-cache' );
				Admin_Display::error( $msg );
				return false;
			}

if ( 'rate_limit' === $json['_code'] ) {
				self::debugErr( 'Cloud server rate limit exceeded.' );
				$msg = __( 'Cloud server refused the current request due to rate limiting. Please try again later.', 'litespeed-cache' );
				Admin_Display::error( $msg );
				return false;
			}

if ( 'heavy_load' === $json['_code'] || 'redetect_node' === $json['_code'] ) {
				// Force redetect node
				self::debugErr( 'Node redetecting node [svc] ' . $service );
				Admin_Display::info( __( 'Redetected node', 'litespeed-cache' ) . ': ' . Error::msg( $json['_code'] ) );
				$this->detect_cloud( $service, true );
			}
		}

if ( ! empty( $json['_503'] ) ) {
			self::debugErr( 'service 503 unavailable temporarily. ' . $json['_503'] );

$msg  = __(
				'We are working hard to improve your online service experience. The service will be unavailable while we work. We apologize for any inconvenience.',
				'litespeed-cache'
			);
			$msg .= ' ' . $json['_503'] . ' [server] ' . esc_html( $server ) . ' [service] ' . esc_html( $service );
			Admin_Display::error( $msg );

// Force redetect node
			self::debugErr( 'Node error, redetecting node [svc] ' . $service );
			$this->detect_cloud( $service, true );

return false;
		}

list( $json, $return ) = $this->extract_msg( $json, $service, $server );
		if ( $return ) {
			return false;
		}

$curr_request = $this->_summary[ 'curr_request.' . $service_tag ];
		self::save_summary([
			'last_request.' . $service_tag => $curr_request,
			'curr_request.' . $service_tag => 0,
		]);
		File::save( $this->_qc_time_file( $service_tag ), $curr_request, true );
		File::save( $this->_qc_time_file( $service_tag, 'curr' ), 0, true );

if ( $json ) {
			self::debug2( 'response ok', $json );
		} else {
			self::debug2( 'response ok' );
		}

// Only successful request return Array
		return $json;
	}

/**
	 * Extract msg from json
	 *
	 * @since 5.0
	 *
	 * @param array       $json        Response JSON.
	 * @param string      $service     Service name.
	 * @param string|bool $server      Server URL or false.
	 * @param bool        $is_callback Whether called from callback context.
	 * @return array Array with [json array, bool should_return_false]
	 */
	public function extract_msg( $json, $service, $server = false, $is_callback = false ) {
		if ( ! empty( $json['_info'] ) ) {
			self::debug( '_info: ' . $json['_info'] );
			$msg  = __( 'Message from QUIC.cloud server', 'litespeed-cache' ) . ': ' . $json['_info'];
			$msg .= $this->_parse_link( $json );
			Admin_Display::info( $msg );
			unset( $json['_info'] );
		}

if ( ! empty( $json['_note'] ) ) {
			self::debug( '_note: ' . $json['_note'] );
			$msg  = __( 'Message from QUIC.cloud server', 'litespeed-cache' ) . ': ' . $json['_note'];
			$msg .= $this->_parse_link( $json );
			Admin_Display::note( $msg );
			unset( $json['_note'] );
		}

if ( ! empty( $json['_success'] ) ) {
			self::debug( '_success: ' . $json['_success'] );
			$msg  = __( 'Good news from QUIC.cloud server', 'litespeed-cache' ) . ': ' . $json['_success'];
			$msg .= $this->_parse_link( $json );
			Admin_Display::success( $msg );
			unset( $json['_success'] );
		}

// Upgrade is required
		if ( ! empty( $json['_err_req_v'] ) ) {
			self::debug( '_err_req_v: ' . $json['_err_req_v'] );
			$msg = sprintf( __( '%1$s plugin version %2$s required for this action.', 'litespeed-cache' ), Core::NAME, 'v' . $json['_err_req_v'] . '+' ) .
				' [server] ' . esc_html( $server ) . ' [service] ' . esc_html( $service );

// Append upgrade link
			$msg2 = ' ' . GUI::plugin_upgrade_link( Core::NAME, Core::PLUGIN_NAME, $json['_err_req_v'] );

$msg2 .= $this->_parse_link( $json );
			Admin_Display::error( $msg . $msg2 );
			return [ $json, true ];
		}

// Parse _carry_on info
		if ( ! empty( $json['_carry_on'] ) ) {
			self::debug( 'Carry_on usage', $json['_carry_on'] );
			// Store generic info
			foreach ( [ 'usage', 'promo', 'mini_html', 'partner', '_error', '_info', '_note', '_success' ] as $v ) {
				if ( isset( $json['_carry_on'][ $v ] ) ) {
					switch ( $v ) {
						case 'usage':
                        $usage_svc_tag                               = in_array( $service, [ self::SVC_CCSS, self::SVC_UCSS, self::SVC_VPI ], true ) ? self::SVC_PAGE_OPTM : $service;
                        $this->_summary[ 'usage.' . $usage_svc_tag ] = $json['_carry_on'][ $v ];
							break;

case 'promo':
                        if ( empty( $this->_summary[ $v ] ) || ! is_array( $this->_summary[ $v ] ) ) {
								$this->_summary[ $v ] = [];
							}
                        $this->_summary[ $v ][] = $json['_carry_on'][ $v ];
							break;

case 'mini_html':
                        foreach ( $json['_carry_on'][ $v ] as $k2 => $v2 ) {
								if ( 0 === strpos( $k2, 'ttl.' ) ) {
                                $v2 += time();
									}
								$this->_summary[ $v ][ $k2 ] = $v2;
							}
							break;

case 'partner':
                        $this->_summary[ $v ] = $json['_carry_on'][ $v ];
							break;

case '_error':
						case '_info':
						case '_note':
						case '_success':
                        $color_mode = substr( $v, 1 );
                        $msgs       = $json['_carry_on'][ $v ];
                        Admin_Display::add_unique_notice( $color_mode, $msgs, true );
							break;

default:
							break;
					}
				}
			}
			self::save_summary();
			unset( $json['_carry_on'] );
		}

// Parse general error msg
		if ( ! $is_callback && ( empty( $json['_res'] ) || 'ok' !== $json['_res'] ) ) {
			$json_msg = ! empty( $json['_msg'] ) ? $json['_msg'] : 'unknown';
			self::debug( '❌ _err: ' . $json_msg, $json );

$str_translated = Error::msg( $json_msg );
			$msg            = __( 'Failed to communicate with QUIC.cloud server', 'litespeed-cache' ) . ': ' . $str_translated . ' [server] ' . esc_html( $server ) . ' [service] ' . esc_html( $service );
			$msg           .= $this->_parse_link( $json );
			$visible_err    = self::API_VER !== $service && self::API_NEWS !== $service && self::SVC_D_DASH !== $service;
			if ( $visible_err ) {
				Admin_Display::error( $msg );
			}

// QC may try auto alias
			// Store the domain as `err_domains` only for QC auto alias feature
			if ( 'err_alias' === $json_msg ) {
				if ( empty( $this->_summary['err_domains'] ) ) {
					$this->_summary['err_domains'] = [];
				}
				$site_url = site_url();
				if ( ! array_key_exists( $site_url, $this->_summary['err_domains'] ) ) {
					$this->_summary['err_domains'][ $site_url ] = time();
				}
				self::save_summary();
			}

// Site not on QC, reset QC connection registration
			if ( 'site_not_registered' === $json_msg || 'err_key' === $json_msg ) {
				$this->_reset_qc_reg();
			}

return [ $json, true ];
		}

unset( $json['_res'] );
		if ( ! empty( $json['_msg'] ) ) {
			unset( $json['_msg'] );
		}

return [ $json, false ];
	}

/**
	 * Parse _links from json
	 *
	 * @since  1.6.5
	 * @since  1.6.7 Self clean the parameter
	 * @access private
	 *
	 * @param array $json JSON array (passed by reference).
	 * @return string HTML link string.
	 */
	private function _parse_link( &$json ) {
		$msg = '';

if ( ! empty( $json['_links'] ) ) {
			foreach ( $json['_links'] as $v ) {
				$msg .= ' ' . sprintf( '<a href="%s" class="%s" target="_blank">%s</a>', esc_url( $v['link'] ), ! empty( $v['cls'] ) ? esc_attr( $v['cls'] ) : '', esc_html( $v['title'] ) );
			}

unset( $json['_links'] );
		}

return $msg;
	}
}

cmd: