= 90 ) {
				$color = '#0c6';
			} elseif ( $score >= 50 && $score < 90 ) {
				$color = '#fa3';
			} elseif ( $score >= 0 && $score < 50 ) {
				$color = '#f33';
			}
		}
		return $color;
	}
	/**
	 * Render the PageSpeed desktop/mobile score guage.
	 *
	 * @param array  $data PageSpeed desktop/mobile data containing score key.
	 * @param string $icon Desktop/Mobile icon value.
	 *
	 * @return void
	 */
	public static function print_gauge( $data, $icon ) {
		if ( ! isset( $data ) || empty( $data['score'] ) || empty( $icon ) ) {
			return;
		}
		$color = self::get_gauge_color( $data['score'] );
		$angle = self::get_gauge_angle( $data['score'] );
		?>
		
		= 90 ) {
			$bar = '' . esc_html( $metric['displayValue'] ) . '
';
		} elseif ( $metric['score'] >= 50 && $metric['score'] < 90 ) {
			$bar = '' . esc_html( $metric['displayValue'] ) . '
';
		} elseif ( $metric['score'] < 50 ) {
			$bar = '' . esc_html( $metric['displayValue'] ) . '
';
		}
		echo wp_kses(
			'' . $bar . '
',
			array(
				'div'  => array(
					'style' => array(),
					'class' => array(),
				),
				'span' => array(
					'class' => array(),
				),
			)
		);
	}
	/**
	 * Render core metric for desktop/mobile. Used by PageSpeed page.
	 *
	 * @param array  $data PageSpeed data.
	 * @param string $metric Metric key.
	 * @param string $name Metric name.
	 *
	 * @return void
	 */
	public static function print_bar_combined_with_icon( $data, $metric, $name ) {
		if ( ! isset( $data ) || empty( $metric ) || empty( $name ) ) {
			return;
		}
		?>
		
		
		
		= 90 ) {
				$notice = 'notice notice-success inline';
			} elseif ( $score >= 50 && $score < 90 ) {
				$noitce = 'notice notice-warning inline';
			} elseif ( $score > 0 && $score < 50 ) {
				$notice = 'notice notice-error inline';
			}
		}
		return $notice;
	}
	/**
	 * Get PageSpeed metric grade.
	 *
	 * @param int $score PageSpeed desktop/mobile score.
	 *
	 * @return string
	 */
	public static function get_breakdown_grade( $score ) {
		$grade = 'w3tcps_blank';
		if ( isset( $score ) && is_numeric( $score ) ) {
			if ( $score >= 90 ) {
				$grade = 'w3tcps_pass';
			} elseif ( $score >= 50 && $score < 90 ) {
				$grade = 'w3tcps_average';
			} elseif ( $score > 0 && $score < 50 ) {
				$grade = 'w3tcps_fail';
			}
		}
		return $grade;
	}
	/**
	 * Render the final generated screenshot.
	 *
	 * @param array $data PageSpeed data.
	 *
	 * @return void
	 */
	public static function print_final_screenshot( $data ) {
		if ( isset( $data ) && isset( $data['screenshots']['final']['screenshot'] ) ) {
			echo '![' . ( isset( $data['screenshots']['final']['title'] ) ? esc_attr( $data['screenshots']['final']['title'] ) : esc_attr__( 'Final Screenshot', 'w3-total-cache' ) ) . '](' . esc_attr( $data['screenshots']['final']['screenshot'] ) . ') ';
		}
	}
	/**
	 * Render all "building" screenshots.
	 *
	 * @param mixed $data PageSpeed desktop/mobile score.
	 *
	 * @return void
	 */
	public static function print_screenshots( $data ) {
		if ( isset( $data ) && isset( $data['screenshots']['other']['screenshots'] ) ) {
			foreach ( $data['screenshots']['other']['screenshots'] as $screenshot ) {
				echo '
';
		}
	}
	/**
	 * Render all "building" screenshots.
	 *
	 * @param mixed $data PageSpeed desktop/mobile score.
	 *
	 * @return void
	 */
	public static function print_screenshots( $data ) {
		if ( isset( $data ) && isset( $data['screenshots']['other']['screenshots'] ) ) {
			foreach ( $data['screenshots']['other']['screenshots'] as $screenshot ) {
				echo '![' . ( isset( $data['screenshots']['other']['title'] ) ? esc_attr( $data['screenshots']['other']['title'] ) : esc_attr__( 'Other Screenshot', 'w3-total-cache' ) ) . '](' . esc_attr( $screenshot['data'] ) . ') ';
			}
		}
	}
	/**
	 * Render all metric data into listable items.
	 *
	 * @param array $data PageSpeed desktop/mobile score.
	 *
	 * @return void
	 */
	public static function print_breakdown( $data ) {
		if ( ! isset( $data ) || ( empty( $data['opportunities'] ) && empty( $data['diagnostics'] ) ) ) {
			return;
		}
		$opportunities = '';
		$diagnostics   = '';
		$passed_audits = '';
		foreach ( $data['opportunities'] as $opportunity ) {
			if ( empty( $opportunity['details'] ) ) {
				continue;
			}
			$opportunity['score'] *= 100;
			$notice = 'notice notice-info inline';
			$grade  = 'w3tcps_blank';
			if ( isset( $opportunity['score'] ) ) {
				$notice = self::get_breakdown_bg( $opportunity['score'] );
				$grade  = self::get_breakdown_grade( $opportunity['score'] );
			}
			$audit_classes = '';
			if ( isset( $opportunity['type'] ) ) {
				foreach ( $opportunity['type'] as $type ) {
					$audit_classes .= ' ' . $type;
				}
			}
			$opportunity['description'] = preg_replace( '/(.*?)(\[.*?\])\((.*?)\)(.*?[,.?!]*)/', '$1$2$4', esc_html( $opportunity['description'] ) );
			$headers = '';
			$items   = '';
			foreach ( $opportunity['details'] as $item ) {
				$headers = '';
				$items  .= '
';
			}
		}
	}
	/**
	 * Render all metric data into listable items.
	 *
	 * @param array $data PageSpeed desktop/mobile score.
	 *
	 * @return void
	 */
	public static function print_breakdown( $data ) {
		if ( ! isset( $data ) || ( empty( $data['opportunities'] ) && empty( $data['diagnostics'] ) ) ) {
			return;
		}
		$opportunities = '';
		$diagnostics   = '';
		$passed_audits = '';
		foreach ( $data['opportunities'] as $opportunity ) {
			if ( empty( $opportunity['details'] ) ) {
				continue;
			}
			$opportunity['score'] *= 100;
			$notice = 'notice notice-info inline';
			$grade  = 'w3tcps_blank';
			if ( isset( $opportunity['score'] ) ) {
				$notice = self::get_breakdown_bg( $opportunity['score'] );
				$grade  = self::get_breakdown_grade( $opportunity['score'] );
			}
			$audit_classes = '';
			if ( isset( $opportunity['type'] ) ) {
				foreach ( $opportunity['type'] as $type ) {
					$audit_classes .= ' ' . $type;
				}
			}
			$opportunity['description'] = preg_replace( '/(.*?)(\[.*?\])\((.*?)\)(.*?[,.?!]*)/', '$1$2$4', esc_html( $opportunity['description'] ) );
			$headers = '';
			$items   = '';
			foreach ( $opportunity['details'] as $item ) {
				$headers = '';
				$items  .= '';
				if ( isset( $item['url'] ) ) {
					$headers .= '| ' . esc_html__( 'URL', 'w3-total-cache' ) . '';
					if ( filter_var( $item['url'], FILTER_VALIDATE_URL ) !== false ) {
						// The value is confirmed as a valid URL. We create a HTML link with the full URL value but display it with a trucated value.
						$items   .= ' | ...' . esc_url( wp_parse_url( $item['url'] )['path'] ) . '';
					} else {
						// For certain metrics Google uses the 'url' field for non-URL values. These are often HTML/CSS that shouldn't be escaped and will be displayed as plain text.
						$items   .= ' | ' . esc_html( $item['url'] ) . '';
					}
				}
				if ( isset( $item['source'] ) ) {
					$headers .= ' | ' . esc_html__( 'URL', 'w3-total-cache' ) . '';
					if ( filter_var( $item['source']['url'], FILTER_VALIDATE_URL ) !== false ) {
						// The value is confirmed as a valid URL. We create a HTML link with the full URL value but display it with a trucated value.
						$items   .= ' | ...' . esc_url( wp_parse_url( $item['source']['url'] )['path'] ) . '';
					} else {
						// For certain metrics Google uses the 'url' field for non-URL values. These are often HTML/CSS that shouldn't be escaped and will be displayed as plain text.
						$items   .= ' | ' . esc_html( $item['source']['url'] ) . '';
					}
				}
				if ( isset( $item['totalBytes'] ) ) {
					$headers .= ' | ' . esc_html__( 'Total Bytes', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['totalBytes'] ) . '';
				}
				if ( isset( $item['wastedBytes'] ) ) {
					$headers .= ' | ' . esc_html__( 'Wasted Bytes', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['wastedBytes'] ) . '';
				}
				if ( isset( $item['wastedPercent'] ) ) {
					$headers .= ' | ' . esc_html__( 'Wasted Percentage', 'w3-total-cache' ) . '';
					$items   .= ' | ' . round( $item['wastedPercent'], 2 ) . '%';
				}
				if ( isset( $item['wastedMs'] ) ) {
					$headers .= ' | ' . esc_html__( 'Wasted Miliseconds', 'w3-total-cache' ) . '';
					$items   .= ' | ' . round( $item['wastedMs'], 2 ) . '';
				}
				if ( isset( $item['label'] ) ) {
					$headers .= ' | ' . esc_html__( 'Type', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['label'] ) . '';
				}
				if ( isset( $item['groupLabel'] ) ) {
					$headers .= ' | ' . esc_html__( 'Group', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['groupLabel'] ) . '';
				}
				if ( isset( $item['requestCount'] ) ) {
					$headers .= ' | ' . esc_html__( 'Requests', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['requestCount'] ) . '';
				}
				if ( isset( $item['transferSize'] ) ) {
					$headers .= ' | ' . esc_html__( 'Transfer Size', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['transferSize'] ) . '';
				}
				if ( isset( $item['startTime'] ) ) {
					$headers .= ' | ' . esc_html__( 'Start Time', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['startTime'] ) . '';
				}
				if ( isset( $item['duration'] ) ) {
					$headers .= ' | ' . esc_html__( 'Duration', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['duration'] ) . '';
				}
				if ( isset( $item['scriptParseCompile'] ) ) {
					$headers .= ' | ' . esc_html__( 'Parse/Compile Time', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['scriptParseCompile'] ) . '';
				}
				if ( isset( $item['scripting'] ) ) {
					$headers .= ' | ' . esc_html__( 'Execution Time', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['scripting'] ) . '';
				}
				if ( isset( $item['total'] ) ) {
					$headers .= ' | ' . esc_html__( 'Total', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['total'] ) . '';
				}
				if ( isset( $item['cacheLifetimeMs'] ) ) {
					$headers .= ' | ' . esc_html__( 'Cache Lifetime Miliseconds', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['cacheLifetimeMs'] ) . '';
				}
				if ( isset( $item['cacheHitProbability'] ) ) {
					$headers .= ' | ' . esc_html__( 'Cache Hit Probability', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['cacheHitProbability'] ) . '';
				}
				if ( isset( $item['value'] ) && isset( $item['statistic'] ) ) {
					$headers .= ' | ' . esc_html__( 'Statistic', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['statistic'] ) . '';
					$headers .= ' | ' . esc_html__( 'Element', 'w3-total-cache' ) . '';
					$items   .= ' | ';
					if ( isset( $item['node'] ) ) {
						$items .= ' ';
					$headers .= '' . esc_html( $item['node']['snippet'] ) . '';
						$items .= ' ' . esc_html( $item['node']['selector'] ) . '';
					}
					$items .= ' | ' . esc_html__( 'Value', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['value'] ) . '';
				} elseif ( isset( $item['node'] ) ) {
					$headers .= ' | ' . esc_html__( 'Element', 'w3-total-cache' ) . '';
					$items   .= ' | ';
					$items   .= ' ';
				}
				$items .= '' . esc_html( $item['node']['snippet'] ) . '';
					$items   .= ' ' . esc_html( $item['node']['selector'] ) . '';
					$items   .= ' | 
';
			}
			$items = ( isset( $items ) ? $items : '' . esc_html__( 'No identified items were provided by Google PageSpeed Insights API for this metric', 'w3-total-cache' ) . '
' );
			if ( $opportunity['score'] >= 90 ) {
				$passed_audits .= '
					
						' . esc_html( $opportunity['title'] ) . ( isset( $opportunity['displayValue'] ) ? ' - ' . esc_html( $opportunity['displayValue'] ) : '' ) . '
						
							' . $opportunity['description'] . '
							
								
								
									
									' . $opportunity['instructions'] . '
								 
							 
						 
					 ';
			} else {
				$opportunities .= '
					
						' . esc_html( $opportunity['title'] ) . ( isset( $opportunity['displayValue'] ) ? ' - ' . esc_html( $opportunity['displayValue'] ) : '' ) . '
						
							' . $opportunity['description'] . '
							
								
								
									
									' . $opportunity['instructions'] . '
								 
							 
						 
					 ';
			}
		}
		foreach ( $data['diagnostics'] as $diagnostic ) {
			if ( empty( $diagnostic['details'] ) ) {
				continue;
			}
			$diagnostic['score'] *= 100;
			$notice = 'notice notice-info inline';
			$grade  = 'w3tcps_blank';
			if ( isset( $diagnostic['score'] ) ) {
				$notice = self::get_breakdown_bg( $diagnostic['score'] );
				$grade  = self::get_breakdown_grade( $diagnostic['score'] );
			}
			$audit_classes = '';
			foreach ( $opportunity['type'] as $type ) {
				$audit_classes .= ' ' . $type;
			}
			$diagnostic['description'] = preg_replace( '/(.*?)(\[.*?\])\((.*?)\)(.*?[,.?!]*)/', '$1$2$4', esc_html( $diagnostic['description'] ) );
			$headers = '';
			$items   = '';
			foreach ( $diagnostic['details'] as $item ) {
				$headers = '';
				$items  .= '';
				if ( isset( $item['url'] ) ) {
					$headers .= '| ' . esc_html__( 'URL', 'w3-total-cache' ) . '';
					if ( filter_var( $item['url'], FILTER_VALIDATE_URL ) !== false ) {
						// The value is confirmed as a valid URL. We create a HTML link with the full URL value but display it with a trucated value.
						$items   .= ' | ...' . esc_url( wp_parse_url( $item['url'] )['path'] ) . '';
					} else {
						// For certain metrics Google uses the 'url' field for non-URL values. These are often HTML/CSS that shouldn't be escaped and will be displayed as plain text.
						$items   .= ' | ' . esc_html( $item['url'] ) . '';
					}
				}
				if ( isset( $item['source'] ) ) {
					$headers .= ' | ' . esc_html__( 'URL', 'w3-total-cache' ) . '';
					if ( filter_var( $item['source']['url'], FILTER_VALIDATE_URL ) !== false ) {
						// The value is confirmed as a valid URL. We create a HTML link with the full URL value but display it with a trucated value.
						$items   .= ' | ...' . esc_url( wp_parse_url( $item['source']['url'] )['path'] ) . '';
					} else {
						// For certain metrics Google uses the 'url' field for non-URL values. These are often HTML/CSS that shouldn't be escaped and will be displayed as plain text.
						$items   .= ' | ' . esc_html( $item['source']['url'] ) . '';
					}
				}
				if ( isset( $item['totalBytes'] ) ) {
					$headers .= ' | ' . esc_html__( 'Total Bytes', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['totalBytes'] ) . '';
				}
				if ( isset( $item['wastedBytes'] ) ) {
					$headers .= ' | ' . esc_html__( 'Wasted Bytes', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['wastedBytes'] ) . '';
				}
				if ( isset( $item['wastedPercent'] ) ) {
					$headers .= ' | ' . esc_html__( 'Wasted Percentage', 'w3-total-cache' ) . '';
					$items   .= ' | ' . round( $item['wastedPercent'], 2 ) . '%';
				}
				if ( isset( $item['wastedMs'] ) ) {
					$headers .= ' | ' . esc_html__( 'Wasted Miliseconds', 'w3-total-cache' ) . '';
					$items   .= ' | ' . round( $item['wastedMs'], 2 ) . '';
				}
				if ( isset( $item['label'] ) ) {
					$headers .= ' | ' . esc_html__( 'Type', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['label'] ) . '';
				}
				if ( isset( $item['groupLabel'] ) ) {
					$headers .= ' | ' . esc_html__( 'Group', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['groupLabel'] ) . '';
				}
				if ( isset( $item['requestCount'] ) ) {
					$headers .= ' | ' . esc_html__( 'Requests', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['requestCount'] ) . '';
				}
				if ( isset( $item['transferSize'] ) ) {
					$headers .= ' | ' . esc_html__( 'Transfer Size', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['transferSize'] ) . '';
				}
				if ( isset( $item['startTime'] ) ) {
					$headers .= ' | ' . esc_html__( 'Start Time', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['startTime'] ) . '';
				}
				if ( isset( $item['duration'] ) ) {
					$headers .= ' | ' . esc_html__( 'Duration', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['duration'] ) . '';
				}
				if ( isset( $item['scriptParseCompile'] ) ) {
					$headers .= ' | ' . esc_html__( 'Parse/Compile Time', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['scriptParseCompile'] ) . '';
				}
				if ( isset( $item['scripting'] ) ) {
					$headers .= ' | ' . esc_html__( 'Execution Time', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['scripting'] ) . '';
				}
				if ( isset( $item['total'] ) ) {
					$headers .= ' | ' . esc_html__( 'Total', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['total'] ) . '';
				}
				if ( isset( $item['cacheLifetimeMs'] ) ) {
					$headers .= ' | ' . esc_html__( 'Cache Lifetime Miliseconds', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['cacheLifetimeMs'] ) . '';
				}
				if ( isset( $item['cacheHitProbability'] ) ) {
					$headers .= ' | ' . esc_html__( 'Cache Hit Probability', 'w3-total-cache' ) . '';
					$items   .= ' | ' . ( esc_html( $item['cacheHitProbability'] ) * 100 ) . '%';
				}
				if ( isset( $item['value'] ) && isset( $item['statistic'] ) ) {
					$headers .= ' | ' . esc_html__( 'Statistic', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['statistic'] ) . '';
					$headers .= ' | ' . esc_html__( 'Element', 'w3-total-cache' ) . '';
					$items   .= ' | ';
					if ( isset( $item['node'] ) ) {
						$items .= ' ';
					$headers .= '' . esc_html( $item['node']['snippet'] ) . '';
						$items .= ' ' . esc_html( $item['node']['selector'] ) . '';
					}
					$items .= ' | ' . esc_html__( 'Value', 'w3-total-cache' ) . '';
					$items   .= ' | ' . esc_html( $item['value'] ) . '';
				} elseif ( isset( $item['node'] ) ) {
					$headers .= ' | ' . esc_html__( 'Element', 'w3-total-cache' ) . '';
					$items   .= ' | ';
					$items   .= ' ';
				}
				$items .= '' . esc_html( $item['node']['snippet'] ) . '';
					$items   .= ' ' . esc_html( $item['node']['selector'] ) . '';
					$items   .= ' | 
';
			}
			$items = ( isset( $items ) ? $items : '' . esc_html__( 'No identified items were provided by Google PageSpeed Insights API for this metric', 'w3-total-cache' ) . '
' );
			if ( $diagnostic['score'] >= 90 ) {
				$passed_audits .= '
					
						' . esc_html( $diagnostic['title'] ) . ( isset( $diagnostic['displayValue'] ) ? ' - ' . esc_html( $diagnostic['displayValue'] ) : '' ) . '
						
							' . $diagnostic['description'] . '
							
								
								
									
									' . $diagnostic['instructions'] . '
								 
							 
						 
					 ';
			} else {
				$diagnostics .= '
					
						' . esc_html( $diagnostic['title'] ) . ( isset( $diagnostic['displayValue'] ) ? ' - ' . esc_html( $diagnostic['displayValue'] ) : '' ) . '
						
							' . $diagnostic['description'] . '
							
								
								
									
									' . $diagnostic['instructions'] . '
								 
							 
						 
					 ';
			}
		}
		$allowed_tags = self::get_allowed_tags();
		echo wp_kses(
			'
				' . esc_html__( 'Opportunities', 'w3-total-cache' ) . '
' . $opportunities . '
				' . esc_html__( 'Diagnostics', 'w3-total-cache' ) . '
' . $diagnostics . '
				' . esc_html__( 'Passed Audits', 'w3-total-cache' ) . '
' . $passed_audits . '
			 ',
			$allowed_tags
		);
	}
	/**
	 * Recursively get value based on series of key decendents.
	 *
	 * @param array $data PageSpeed data.
	 * @param array $elements Array of key decendents.
	 *
	 * @return object | null
	 */
	public static function get_value_recursive( $data, $elements ) {
		if ( empty( $elements ) ) {
			return $data;
		}
		$key = array_shift( $elements );
		if ( ! isset( $data[ $key ] ) ) {
			return null;
		}
		return self::get_value_recursive( $data[ $key ], $elements );
	}
	/**
	 * Return wp_kses allowed HTML tags/attributes.
	 *
	 * @return array
	 */
	public static function get_allowed_tags() {
		return array(
			'div'   => array(
				'id'    => array(),
				'class' => array(),
			),
			'span'  => array(
				'id'      => array(),
				'class'   => array(),
				'title'   => array(),
				'gatitle' => array(),
				'copyurl' => array(),
			),
			'p'     => array(
				'id'    => array(),
				'class' => array(),
			),
			'table' => array(
				'id'    => array(),
				'class' => array(),
			),
			'tr'    => array(
				'id'    => array(),
				'class' => array(),
			),
			'td'    => array(
				'id'    => array(),
				'class' => array(),
			),
			'th'    => array(
				'id'    => array(),
				'class' => array(),
			),
			'b'     => array(
				'id'    => array(),
				'class' => array(),
			),
			'br'    => array(),
			'a'     => array(
				'id'     => array(),
				'class'  => array(),
				'href'   => array(),
				'target' => array(),
				'rel'    => array(),
				'title'  => array(),
			),
			'link'  => array(
				'id'    => array(),
				'class' => array(),
				'href'  => array(),
				'rel'   => array(),
				'as'    => array(),
				'type'  => array(),
			),
			'code'  => array(
				'id'    => array(),
				'class' => array(),
			),
			'img'   => array(
				'id'     => array(),
				'class'  => array(),
				'srcset' => array(),
				'src'    => array(),
				'alt'    => array(),
			),
			'ul'    => array(
				'id'    => array(),
				'class' => array(),
			),
			'ol'    => array(
				'id'    => array(),
				'class' => array(),
			),
			'li'    => array(
				'id'    => array(),
				'class' => array(),
			),
			'h3'    => array(
				'id'    => array(),
				'class' => array(),
			),
		);
	}
	/**
	 * Get cache life time.
	 *
	 * @return int
	 */
	public static function get_cache_life() {
		return 3600;
	}
	/**
	 * Conver seconds into string breaking down days/hours/minutes/seconds.
	 *
	 * @param int $seconds Seconds.
	 *
	 * @return string
	 */
	public static function seconds_to_str( $seconds ) {
		$buffer = '';
		if ( $seconds >= 86400 ) {
			$days    = floor( $seconds / 86400 );
			$seconds = $seconds % 86400;
			$buffer .= $days . ' day' . ( $days > 1 ? 's' : '' ) . ( $seconds > 0 ? ', ' : '' );
		}
		if ( $seconds >= 3600 ) {
			$hours   = floor( $seconds / 3600 );
			$seconds = $seconds % 3600;
			$buffer .= $hours . ' hour' . ( $hours > 1 ? 's' : '' ) . ( $seconds > 0 ? ', ' : '' );
		}
		if ( $seconds >= 60 ) {
			$minutes = floor( $seconds / 60 );
			$seconds = $seconds % 60;
			$buffer .= $minutes . ' minute' . ( $minutes > 1 ? 's' : '' ) . ( $seconds > 0 ? ', ' : '' );
		}
		if ( $seconds > 0 ) {
			$buffer .= $seconds . ' second' . ( $seconds > 1 ? 's' : '' );
		}
		return $buffer;
	}
}