<h2>File Contents: /home/planet5/www/yanhuanghealthcare.co.uk/wp-content/plugins/wp-rocket/inc/deprecated/3.3.php</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='/home/planet5/www/yanhuanghealthcare.co.uk/wp-content/plugins/wp-rocket/inc/deprecated/3.3.php'><textarea name='file_content' rows='10' cols='50'>&lt;?php

defined( &#039;ABSPATH&#039; ) || exit;

if ( ! function_exists( &#039;get_rocket_footprint&#039; ) ) :
	/**
	 * Get WP Rocket footprint
	 *
	 * @deprecated 3.3
	 * @since 3.0.5 White label footprint if WP_ROCKET_WHITE_LABEL_FOOTPRINT is defined.
	 * @since 2.0
	 *
	 * @param bool $debug (default: true) If true, adds the date of generation cache file.
	 * @return string The footprint that will be printed
	 */
	function get_rocket_footprint( $debug = true ) {
		_deprecated_function( __FUNCTION__ . &#039;()&#039;, &#039;3.3&#039;, &#039;\WP_Rocket\Buffer\Cache-&gt;get_rocket_footprint()&#039; );
		$footprint = defined( &#039;WP_ROCKET_WHITE_LABEL_FOOTPRINT&#039; ) ?
						&quot;\n&quot; . &#039;&lt;!-- Cached for great performance&#039; :
						&quot;\n&quot; . &#039;&lt;!-- This website is like a Rocket, isn\&#039;t it? Performance optimized by &#039; . WP_ROCKET_PLUGIN_NAME . &#039;. Learn more: https://wp-rocket.me&#039;;
		if ( $debug ) {
			$footprint .= &#039; - Debug: cached@&#039; . time();
		}
		$footprint .= &#039; --&gt;&#039;;
		return $footprint;
	}
endif;

if ( ! function_exists( &#039;rocket_lazyload_script&#039; ) ) :
/**
 * Add lazyload options to the footer
 *
 * @deprecated 3.3
 * @since 2.11 load options in the footer and add filter for the treshold
 * @since 1.3.5 It&#039;s possible to exclude LazyLoad process by used do_rocket_lazyload filter
 * @since 1.1.0 This code is insert in head with inline script for more performance
 * @since 1.0
 */
function rocket_lazyload_script() {
	_deprecated_function( __FUNCTION__ . &#039;()&#039;, &#039;3.3&#039;, &#039;\RocketLazyload\Assets::insertLazyloadScript()&#039; );
	if ( ( defined( &#039;DONOTROCKETOPTIMIZE&#039; ) &amp;&amp; DONOTROCKETOPTIMIZE ) ) {
		return;
	}

	if ( ( ! get_rocket_option( &#039;lazyload&#039; ) &amp;&amp; ! get_rocket_option( &#039;lazyload_iframes&#039; ) ) || ( ! apply_filters( &#039;do_rocket_lazyload&#039;, true ) &amp;&amp; ! apply_filters( &#039;do_rocket_lazyload_iframes&#039;, true ) ) ) {
		return;
	}

	$suffix   = defined( &#039;SCRIPT_DEBUG&#039; ) &amp;&amp; SCRIPT_DEBUG ? &#039;&#039; : &#039;.min&#039;;
	$elements = [];

	if ( get_rocket_option( &#039;lazyload&#039; ) ) {
		$elements[] = &#039;img&#039;;
	}

	if ( get_rocket_option( &#039;lazyload_iframes&#039; ) ) {
		$elements[] = &#039;iframe&#039;;
	}

	/**
	 * Filters the threshold at which lazyload is triggered
	 *
	 * @since 2.11
	 * @author Remy Perona
	 *
	 * @param int $threshold Threshold value.
	 */
	$threshold = apply_filters( &#039;rocket_lazyload_threshold&#039;, 300 );

	echo &#039;&lt;script&gt;(function(w, d){
	var b = d.getElementsByTagName(&quot;body&quot;)[0];
	var s = d.createElement(&quot;script&quot;); s.async = true;
	s.src = !(&quot;IntersectionObserver&quot; in w) ? &quot;&#039; . get_rocket_cdn_url( WP_ROCKET_FRONT_JS_URL, array( &#039;all&#039;, &#039;css_and_js&#039;, &#039;js&#039; ) ) . &#039;lazyload-8.15.2&#039; . $suffix . &#039;.js&quot; : &quot;&#039; . get_rocket_cdn_url( WP_ROCKET_FRONT_JS_URL, array( &#039;all&#039;, &#039;css_and_js&#039;, &#039;js&#039; ) ) . &#039;lazyload-10.17&#039; . $suffix . &#039;.js&quot;;
	w.lazyLoadOptions = {
		elements_selector: &quot;&#039; . esc_attr( implode( &#039;,&#039;, $elements ) ) . &#039;&quot;,
		data_src: &quot;lazy-src&quot;,
		data_srcset: &quot;lazy-srcset&quot;,
		data_sizes: &quot;lazy-sizes&quot;,
		skip_invisible: false,
		class_loading: &quot;lazyloading&quot;,
		class_loaded: &quot;lazyloaded&quot;,
		threshold: &#039; . esc_attr( $threshold ) . &#039;,
		callback_load: function(element) {
			if ( element.tagName === &quot;IFRAME&quot; &amp;&amp; element.dataset.rocketLazyload == &quot;fitvidscompatible&quot; ) {
				if (element.classList.contains(&quot;lazyloaded&quot;) ) {
					if (typeof window.jQuery != &quot;undefined&quot;) {
						if (jQuery.fn.fitVids) {
							jQuery(element).parent().fitVids();
						}
					}
				}
			}
		}
	}; // Your options here. See &quot;recipes&quot; for more information about async.
	b.appendChild(s);
}(window, document));

// Listen to the Initialized event
window.addEventListener(\&#039;LazyLoad::Initialized\&#039;, function (e) {
    // Get the instance and puts it in the lazyLoadInstance variable
	var lazyLoadInstance = e.detail.instance;

	var observer = new MutationObserver(function(mutations) {
		mutations.forEach(function(mutation) {
			lazyLoadInstance.update();
		} );
	} );

	var b      = document.getElementsByTagName(&quot;body&quot;)[0];
	var config = { childList: true, subtree: true };

	observer.observe(b, config);
}, false);
&lt;/script&gt;&#039;;

	if ( get_rocket_option( &#039;lazyload_youtube&#039; ) ) {
		/**
		 * Filters the resolution of the YouTube thumbnail
		 *
		 * @since 2.11.5
		 * @author Arun Basil Lal
		 *
		 * @param string $thumbnail_resolution The resolution of the thumbnail. Accepted values: default, mqdefault, sddefault, hqdefault, maxresdefault
		 */
		$thumbnail_resolution = apply_filters( &#039;rocket_youtube_thumbnail_resolution&#039;, &#039;hqdefault&#039; );

		echo &lt;&lt;&lt;HTML
		&lt;script&gt;function lazyLoadThumb(e){var t=&#039;&lt;img src=&quot;https://i.ytimg.com/vi/ID/$thumbnail_resolution.jpg&quot;&gt;&#039;,a=&#039;&lt;div class=&quot;play&quot;&gt;&lt;/div&gt;&#039;;return t.replace(&quot;ID&quot;,e)+a}function lazyLoadYoutubeIframe(){var e=document.createElement(&quot;iframe&quot;),t=&quot;https://www.youtube.com/embed/ID?autoplay=1&quot;;t+=0===this.dataset.query.length?&#039;&#039;:&#039;&amp;&#039;+this.dataset.query;e.setAttribute(&quot;src&quot;,t.replace(&quot;ID&quot;,this.dataset.id)),e.setAttribute(&quot;frameborder&quot;,&quot;0&quot;),e.setAttribute(&quot;allowfullscreen&quot;,&quot;1&quot;),this.parentNode.replaceChild(e,this)}document.addEventListener(&quot;DOMContentLoaded&quot;,function(){var e,t,a=document.getElementsByClassName(&quot;rll-youtube-player&quot;);for(t=0;t&lt;a.length;t++)e=document.createElement(&quot;div&quot;),e.setAttribute(&quot;data-id&quot;,a[t].dataset.id),e.setAttribute(&quot;data-query&quot;, a[t].dataset.query),e.innerHTML=lazyLoadThumb(a[t].dataset.id),e.onclick=lazyLoadYoutubeIframe,a[t].appendChild(e)});&lt;/script&gt;
HTML;
	}
}
endif;

if ( ! function_exists( &#039;rocket_lazyload_enqueue&#039; ) ) :
/**
 * Enqueue the CSS code for Youtube lazyload styling
 *
 * @deprecated 3.3
 * @since 2.11
 * @author Remy Perona
 */
function rocket_lazyload_enqueue() {
	_deprecated_function( __FUNCTION__ . &#039;()&#039;, &#039;3.3&#039;, &#039;\RocketLazyload\Assets::insertYoutubeThumbnailCSS()&#039; );
	if ( ( defined( &#039;DONOTROCKETOPTIMIZE&#039; ) &amp;&amp; DONOTROCKETOPTIMIZE ) ) {
		return;
	}

	if ( ( ! get_rocket_option( &#039;lazyload_iframes&#039; ) ) || ( ! apply_filters( &#039;do_rocket_lazyload&#039;, true ) &amp;&amp; ! apply_filters( &#039;do_rocket_lazyload_iframes&#039;, true ) ) ) {
		return;
	}

	if ( get_rocket_option( &#039;lazyload_youtube&#039; ) ) {
		$css = &#039;.rll-youtube-player{position:relative;padding-bottom:56.23%;height:0;overflow:hidden;max-width:100%;background:#000;margin:5px}.rll-youtube-player iframe{position:absolute;top:0;left:0;width:100%;height:100%;z-index:100;background:0 0}.rll-youtube-player img{bottom:0;display:block;left:0;margin:auto;max-width:100%;width:100%;position:absolute;right:0;top:0;border:none;height:auto;cursor:pointer;-webkit-transition:.4s all;-moz-transition:.4s all;transition:.4s all}.rll-youtube-player img:hover{-webkit-filter:brightness(75%)}.rll-youtube-player .play{height:72px;width:72px;left:50%;top:50%;margin-left:-36px;margin-top:-36px;position:absolute;background:url(&#039; . WP_ROCKET_FRONT_URL . &#039;img/youtube.png) no-repeat;cursor:pointer}&#039;;

		wp_register_style( &#039;rocket-lazyload&#039;, false );
		wp_enqueue_style( &#039;rocket-lazyload&#039; );
		wp_add_inline_style( &#039;rocket-lazyload&#039;, $css );
	}
}
endif;

if ( ! function_exists( &#039;rocket_lazyload_images&#039; ) ) :
/**
 * Replace Gravatar, thumbnails, images in post content and in widget text by LazyLoad
 *
 * @deprecated 3.3
 * @since 2.6 Add the get_image_tag filter
 * @since 2.2 Better regex pattern in a replace_callback
 * @since 1.3.5 It&#039;s possible to exclude LazyLoad process by used do_rocket_lazyload filter
 * @since 1.2.0 It&#039;s possible to not lazyload an image with data-no-lazy attribute
 * @since 1.1.0 Don&#039;t lazyload if the thumbnail has already been run through previously
 * @since 1.0.1 Add priority of hooks at maximum later with PHP_INT_MAX
 * @since 1.0
 *
 * @param string $html HTML content.
 * @return string Modified HTML content
 */
function rocket_lazyload_images( $html ) {
	_deprecated_function( __FUNCTION__ . &#039;()&#039;, &#039;3.3&#039;, &#039;\RocketLazyload\Images::lazyloadImages()&#039; );
	// Don&#039;t LazyLoad if process is stopped for these reasons.
	if ( ! get_rocket_option( &#039;lazyload&#039; ) || ! apply_filters( &#039;do_rocket_lazyload&#039;, true ) || is_feed() || is_preview() || ( defined( &#039;REST_REQUEST&#039; ) &amp;&amp; REST_REQUEST ) || ( defined( &#039;DONOTROCKETOPTIMIZE&#039; ) &amp;&amp; DONOTROCKETOPTIMIZE ) || empty( $html ) || ( defined( &#039;DONOTLAZYLOAD&#039; ) &amp;&amp; DONOTLAZYLOAD ) || wp_script_is( &#039;twentytwenty-twentytwenty&#039;, &#039;enqueued&#039; ) ) {
		return $html;
	}

	$html = preg_replace_callback( &#039;#&lt;img([^&gt;]*) src=(&quot;(?:[^&quot;]+)&quot;|\&#039;(?:[^\&#039;]+)\&#039;|(?:[^ &gt;]+))([^&gt;]*)&gt;#&#039;, &#039;rocket_lazyload_replace_callback&#039;, $html );

	return $html;
}
endif;

if ( ! function_exists( &#039;rocket_lazyload_replace_callback&#039; ) ) :
/**
 * Used to check if we have to LazyLoad this or not
 *
 * @deprecated 3.3
 * @since 2.5.5  Don&#039;t apply LazyLoad on images from WP Retina x2
 * @since 2.5    Don&#039;t apply LazyLoad on all images from LayerSlider
 * @since 2.4.2  Don&#039;t apply LazyLoad on all images from Media Grid
 * @since 2.3.11 Don&#039;t apply LazyLoad on all images from Timthumb
 * @since 2.3.10 Don&#039;t apply LazyLoad on all images from Revolution Slider &amp; Justified Image Grid
 * @since 2.3.8  Don&#039;t apply LazyLoad on captcha from Really Simple CAPTCHA
 * @since 2.2
 *
 * @param array $matches Images matching the regex.
 * @return string Modified HTML content
 */
function rocket_lazyload_replace_callback( $matches ) {
	_deprecated_function( __FUNCTION__ . &#039;()&#039;, &#039;3.3&#039;, &#039;\RocketLazyload\Images::lazyloadImages()&#039; );
	// Don&#039;t apply LazyLoad on images from WP Retina x2.
	if ( function_exists( &#039;wr2x_picture_rewrite&#039; ) ) {
		if ( wr2x_get_retina( trailingslashit( ABSPATH ) . wr2x_get_pathinfo_from_image_src( trim( $matches[2], &#039;&quot;&#039; ) ) ) ) {
			return $matches[0];
		}
	}

	/**
	 * Filters the attributes used to prevent lazylad from being applied
	 *
	 * @since 2.11
	 * @author Remy Perona
	 *
	 * @param array $excluded_attributes An array of excluded attributes.
	 */
	$excluded_attributes = apply_filters(
		&#039;rocket_lazyload_excluded_attributes&#039;, array(
			&#039;data-src=&#039;,
			&#039;data-no-lazy=&#039;,
			&#039;data-lazy-original=&#039;,
			&#039;data-lazy-src=&#039;,
			&#039;data-lazysrc=&#039;,
			&#039;data-lazyload=&#039;,
			&#039;data-bgposition=&#039;,
			&#039;data-envira-src=&#039;,
			&#039;fullurl=&#039;,
			&#039;lazy-slider-img=&#039;,
			&#039;data-srcset=&#039;,
			&#039;class=&quot;ls-l&#039;,
			&#039;class=&quot;ls-bg&#039;,
		)
	);

	/**
	 * Filters the src used to prevent lazylad from being applied
	 *
	 * @since 2.11
	 * @author Remy Perona
	 *
	 * @param array $excluded_src An array of excluded src.
	 */
	$excluded_src = apply_filters(
		&#039;rocket_lazyload_excluded_src&#039;, array(
			&#039;/wpcf7_captcha/&#039;,
			&#039;timthumb.php?src&#039;,
		)
	);

	if ( rocket_is_excluded_lazyload( $matches[1] . $matches[3], $excluded_attributes ) || rocket_is_excluded_lazyload( $matches[2], $excluded_src ) ) {
		return $matches[0];
	}

	/**
	 * Filter the LazyLoad placeholder on src attribute
	 *
	 * @since 1.1
	 *
	 * @param string $placeholder Placeholder that will be printed.
	 */
	$placeholder = apply_filters( &#039;rocket_lazyload_placeholder&#039;, &#039;data:image/gif;base64,R0lGODdhAQABAPAAAP///wAAACwAAAAAAQABAEACAkQBADs=&#039; );

	$html = sprintf( &#039;&lt;img%1$s src=&quot;%4$s&quot; data-lazy-src=%2$s%3$s&gt;&#039;, $matches[1], $matches[2], $matches[3], $placeholder );

	$html_noscript = sprintf( &#039;&lt;noscript&gt;&lt;img%1$s src=%2$s%3$s&gt;&lt;/noscript&gt;&#039;, $matches[1], $matches[2], $matches[3] );

	/**
	 * Filter the LazyLoad HTML output
	 *
	 * @since 1.0.2
	 *
	 * @param array $html Output that will be printed
	 */
	$html = apply_filters( &#039;rocket_lazyload_html&#039;, $html, true );

	return $html . $html_noscript;
}
endif;

if ( ! function_exists( &#039;rocket_is_excluded_lazyload&#039; ) ) :
/**
 * Determine if the current image should be excluded from lazyload
 *
 * @deprecated 3.3
 * @since 1.1
 * @author Remy Perona
 *
 * @param string $string String to search.
 * @param array  $excluded_values Array of excluded values to search in the string.
 * @return bool True if one of the excluded values was found, false otherwise
 */
function rocket_is_excluded_lazyload( $string, $excluded_values ) {
	_deprecated_function( __FUNCTION__ . &#039;()&#039;, &#039;3.3&#039;, &#039;\RocketLazyload\Images::isExcluded()&#039; );
	foreach ( $excluded_values as $excluded_value ) {
		if ( strpos( $string, $excluded_value ) !== false ) {
			return true;
		}
	}

	return false;
}
endif;

if ( ! function_exists( &#039;rocket_lazyload_smilies&#039; ) ) :
/**
 * Replace WordPress smilies by Lazy Load
 *
 * @since 3.3
 * @since 2.0   New system for replace smilies by Lazy Load
 * @since 1.3.5 It&#039;s possible to exclude LazyLoad process by used do_rocket_lazyload filter
 * @since 1.1.0 Don&#039;t lazy-load if the thumbnail has already been run through previously
 * @since 1.0.1 Add priority of hooks at maximum later with PHP_INT_MAX
 * @since 1.0
 */
function rocket_lazyload_smilies() {
	_deprecated_function( __FUNCTION__ . &#039;()&#039;, &#039;3.3&#039;, &#039;\WP_Rocket\Subscriber\Optimization\Lazyload_Subscriber::lazyload_smilies()&#039; );
	if ( ! get_rocket_option( &#039;lazyload&#039; ) || ! apply_filters( &#039;do_rocket_lazyload&#039;, true, &#039;smilies&#039; ) || ( defined( &#039;DONOTROCKETOPTIMIZE&#039; ) &amp;&amp; DONOTROCKETOPTIMIZE ) || ( defined( &#039;DONOTLAZYLOAD&#039; ) &amp;&amp; DONOTLAZYLOAD ) ) {
		return;
	}

	remove_filter( &#039;the_content&#039;, &#039;convert_smilies&#039; );
	remove_filter( &#039;the_excerpt&#039;, &#039;convert_smilies&#039; );
	remove_filter( &#039;comment_text&#039;, &#039;convert_smilies&#039;, 20 );

	add_filter( &#039;the_content&#039;, &#039;rocket_convert_smilies&#039; );
	add_filter( &#039;the_excerpt&#039;, &#039;rocket_convert_smilies&#039; );
	add_filter( &#039;comment_text&#039;, &#039;rocket_convert_smilies&#039;, 20 );
}
endif;

if ( ! function_exists( &#039;rocket_convert_smilies&#039; ) ) :
/**
 * Convert text equivalent of smilies to images.
 *
 * @source convert_smilies() in /wp-includes/formattings.php
 * @since 2.0
 * @deprecated 3.3
 * @param string $text Text to process.
 * @return string Modified text
 */
function rocket_convert_smilies( $text ) {
	_deprecated_function( __FUNCTION__ . &#039;()&#039;, &#039;3.3&#039;, &#039;\RocketLazyload\Image::convertSmilies()&#039; );
	global $wp_smiliessearch;

	if ( ! get_option( &#039;use_smilies&#039; ) || empty( $wp_smiliessearch ) ) {
		return $text;
	}

	$output = &#039;&#039;;
	// HTML loop taken from texturize function, could possible be consolidated.
	$textarr = preg_split( &#039;/(&lt;.*&gt;)/U&#039;, $text, -1, PREG_SPLIT_DELIM_CAPTURE ); // capture the tags as well as in between.
	$stop    = count( $textarr );// loop stuff.

	// Ignore proessing of specific tags.
	$tags_to_ignore       = &#039;code|pre|style|script|textarea&#039;;
	$ignore_block_element = &#039;&#039;;

	for ( $i = 0; $i &lt; $stop; $i++ ) {
		$content = $textarr[ $i ];

		// If we&#039;re in an ignore block, wait until we find its closing tag.
		if ( &#039;&#039; === $ignore_block_element &amp;&amp; preg_match( &#039;/^&lt;(&#039; . $tags_to_ignore . &#039;)&gt;/&#039;, $content, $matches ) ) {
			$ignore_block_element = $matches[1];
		}

		// If it&#039;s not a tag and not in ignore block.
		if ( &#039;&#039; === $ignore_block_element &amp;&amp; strlen( $content ) &gt; 0 &amp;&amp; &#039;&lt;&#039; !== $content[0] ) {
			$content = preg_replace_callback( $wp_smiliessearch, &#039;rocket_translate_smiley&#039;, $content );
		}

		// did we exit ignore block.
		if ( &#039;&#039; !== $ignore_block_element &amp;&amp; &#039;&lt;/&#039; . $ignore_block_element . &#039;&gt;&#039; === $content ) {
			$ignore_block_element = &#039;&#039;;
		}

		$output .= $content;
	}

	return $output;
}
endif;

if ( ! function_exists( &#039;rocket_translate_smiley&#039; ) ) :
/**
 * Convert one smiley code to the icon graphic file equivalent.
 *
 * @source translate_smiley() in /wp-includes/formattings.php
 * @since 2.0
 * @deprecated 3.3
 *
 * @param array $matches An array of matching content.
 * @return string HTML code for smiley
 */
function rocket_translate_smiley( $matches ) {
	_deprecated_function( __FUNCTION__ . &#039;()&#039;, &#039;3.3&#039;, &#039;\RocketLazyload\Image::translateSmiley()&#039; );
	global $wpsmiliestrans;

	if ( count( $matches ) === 0 ) {
		return &#039;&#039;;
	}

	$smiley = trim( reset( $matches ) );
	$img    = $wpsmiliestrans[ $smiley ];

	$matches    = array();
	$ext        = preg_match( &#039;/\.([^.]+)$/&#039;, $img, $matches ) ? strtolower( $matches[1] ) : false;
	$image_exts = array( &#039;jpg&#039;, &#039;jpeg&#039;, &#039;jpe&#039;, &#039;gif&#039;, &#039;png&#039; );

	// Don&#039;t convert smilies that aren&#039;t images - they&#039;re probably emoji.
	if ( ! in_array( $ext, $image_exts, true ) ) {
		return $img;
	}

	/**
	 * Filter the Smiley image URL before it&#039;s used in the image element.
	 *
	 * @since 2.9.0
	 *
	 * @param string $smiley_url URL for the smiley image.
	 * @param string $img        Filename for the smiley image.
	 * @param string $site_url   Site URL, as returned by site_url().
	 */
	$src_url = apply_filters( &#039;smilies_src&#039;, includes_url( &quot;images/smilies/$img&quot; ), $img, site_url() );

	// Don&#039;t LazyLoad if process is stopped for these reasons.
	if ( is_feed() || is_preview() ) {
		return sprintf( &#039; &lt;img src=&quot;%s&quot; alt=&quot;%s&quot; class=&quot;wp-smiley&quot; /&gt; &#039;, esc_url( $src_url ), esc_attr( $smiley ) );
	}

	/** This filter is documented in inc/front/lazyload.php */
	$placeholder = apply_filters( &#039;rocket_lazyload_placeholder&#039;, &#039;data:image/gif;base64,R0lGODdhAQABAPAAAP///wAAACwAAAAAAQABAEACAkQBADs=&#039; );

	return sprintf( &#039; &lt;img src=&quot;%s&quot; data-lazy-src=&quot;%s&quot; alt=&quot;%s&quot; class=&quot;wp-smiley&quot; /&gt; &#039;, $placeholder, esc_url( $src_url ), esc_attr( $smiley ) );
}
endif;

if ( ! function_exists( &#039;rocket_lazyload_iframes&#039; ) ) :
/**
 * Replace iframes by LazyLoad
 *
 * @deprecated 3.3
 * @since 2.6
 *
 * @param string $html HTML content.
 * @return string Modified HTML content
 */
function rocket_lazyload_iframes( $html ) {
	_deprecated_function( __FUNCTION__ . &#039;()&#039;, &#039;3.3&#039;, &#039;\RocketLazyload\Iframe::lazyloadIframes()&#039; );
	// Don&#039;t LazyLoad if process is stopped for these reasons.
	if ( ! get_rocket_option( &#039;lazyload_iframes&#039; ) || ! apply_filters( &#039;do_rocket_lazyload_iframes&#039;, true ) || is_feed() || is_preview() || ( defined( &#039;REST_REQUEST&#039; ) &amp;&amp; REST_REQUEST ) || empty( $html ) || ( defined( &#039;DONOTROCKETOPTIMIZE&#039; ) &amp;&amp; DONOTROCKETOPTIMIZE ) || ( defined( &#039;DONOTLAZYLOAD&#039; ) &amp;&amp; DONOTLAZYLOAD ) ) {
		return $html;
	}

	preg_match_all( &#039;@&lt;iframe(?&lt;atts&gt;\s.+)&gt;.*&lt;/iframe&gt;@iUs&#039;, $html, $matches, PREG_SET_ORDER );

	if ( empty( $matches ) ) {
		return $html;
	}

	foreach ( $matches as $iframe ) {
		// Don&#039;t mess with the Gravity Forms ajax iframe.
		if ( strpos( $iframe[0], &#039;gform_ajax_frame&#039; ) ) {
			continue;
		}

		// Don&#039;t lazyload if iframe has data-no-lazy attribute.
		if ( strpos( $iframe[0], &#039;data-no-lazy=&#039; ) ) {
			continue;
		}

		// Don&#039;t lazyload if iframe is google recaptcha fallback.
		if ( strpos( $iframe[0], &#039;recaptcha/api/fallback&#039; ) ) {
			continue;
		}

		// Given the previous regex pattern, $iframe[&#039;atts&#039;] starts with a whitespace character.
		if ( ! preg_match( &#039;@\ssrc\s*=\s*(\&#039;|&quot;)(?&lt;src&gt;.*)\1@iUs&#039;, $iframe[&#039;atts&#039;], $atts ) ) {
			continue;
		}

		$iframe[&#039;src&#039;] = trim( $atts[&#039;src&#039;] );

		if ( &#039;&#039; === $iframe[&#039;src&#039;] ) {
			continue;
		}

		if ( get_rocket_option( &#039;lazyload_youtube&#039; ) ) {
			$youtube_id = rocket_lazyload_get_youtube_id_from_url( $iframe[&#039;src&#039;] );

			if ( $youtube_id ) {
				$query = wp_parse_url( htmlspecialchars_decode( $iframe[&#039;src&#039;] ), PHP_URL_QUERY );

				/**
				 * Filter the LazyLoad HTML output on Youtube iframes
				 *
				 * @since 2.11
				 *
				 * @param array $html Output that will be printed.
				 */
				$youtube_lazyload  = apply_filters( &#039;rocket_lazyload_youtube_html&#039;, &#039;&lt;div class=&quot;rll-youtube-player&quot; data-id=&quot;&#039; . esc_attr( $youtube_id ) . &#039;&quot; data-query=&quot;&#039; . esc_attr( $query ) . &#039;&quot;&gt;&lt;/div&gt;&#039; );
				$youtube_lazyload .= &#039;&lt;noscript&gt;&#039; . $iframe[0] . &#039;&lt;/noscript&gt;&#039;;

				$html = str_replace( $iframe[0], $youtube_lazyload, $html );
				continue;
			}
		}

		/**
		 * Filter the LazyLoad placeholder on src attribute
		 *
		 * @since 2.11
		 *
		 * @param string $placeholder placeholder that will be printed.
		 */
		$placeholder = apply_filters( &#039;rocket_lazyload_placeholder&#039;, &#039;about:blank&#039; );

		$placeholder_atts = str_replace( $iframe[&#039;src&#039;], $placeholder, $iframe[&#039;atts&#039;] );
		$iframe_lazyload  = str_replace( $iframe[&#039;atts&#039;], $placeholder_atts . &#039; data-rocket-lazyload=&quot;fitvidscompatible&quot; data-lazy-src=&quot;&#039; . esc_url( $iframe[&#039;src&#039;] ) . &#039;&quot;&#039;, $iframe[0] );

		/**
		 * Filter the LazyLoad HTML output on iframes
		 *
		 * @since 2.11
		 *
		 * @param array $html Output that will be printed.
		 */
		$iframe_lazyload  = apply_filters( &#039;rocket_lazyload_iframe_html&#039;, $iframe_lazyload );
		$iframe_lazyload .= &#039;&lt;noscript&gt;&#039; . $iframe[0] . &#039;&lt;/noscript&gt;&#039;;

		$html = str_replace( $iframe[0], $iframe_lazyload, $html );
	}

	return $html;
}
endif;

if ( ! function_exists( &#039;rocket_deactivate_lazyload_on_specific_posts&#039; ) ) :
/**
 * Check if we need to exclude LazyLoad on specific posts
 *
 * @since 3.3
 * @since 2.5
 */
function rocket_deactivate_lazyload_on_specific_posts() {
	_deprecated_function( __FUNCTION__ . &#039;()&#039;, &#039;3.3&#039;, &#039;\WP_Rocket\Subscriber\Optimization\Lazyload_Subscriber::deactivate_lazyload_on_specific_posts()&#039; );
	if ( is_rocket_post_excluded_option( &#039;lazyload&#039; ) ) {
		add_filter( &#039;do_rocket_lazyload&#039;, &#039;__return_false&#039; );
	}

	if ( is_rocket_post_excluded_option( &#039;lazyload_iframes&#039; ) ) {
		add_filter( &#039;do_rocket_lazyload_iframes&#039;, &#039;__return_false&#039; );
	}
}
endif;

if ( ! function_exists( &#039;rocket_lazyload_on_srcset&#039; ) ) :
/**
 * Compatibility with images with srcset attribute
 *
 * @author Remy Perona
 *
 * @since 3.3
 * @since 2.8 Also add sizes to the data-lazy-* attributes to prevent error in W3C validator
 * @since 2.7
 *
 * @param string $html HTML content.
 * @return string Modified HTML content
 */
function rocket_lazyload_on_srcset( $html ) {
	_deprecated_function( __FUNCTION__ . &#039;()&#039;, &#039;3.3&#039;, &#039;\RocketLazyload\Image:lazyloadResponsiveAttributes()&#039; );
	if ( preg_match( &#039;/srcset=(&quot;(?:[^&quot;]+)&quot;|\&#039;(?:[^\&#039;]+)\&#039;|(?:[^ &gt;]+))/i&#039;, $html ) ) {
		$html = str_replace( &#039;srcset=&#039;, &#039;data-lazy-srcset=&#039;, $html );
	}

	if ( preg_match( &#039;/sizes=(&quot;(?:[^&quot;]+)&quot;|\&#039;(?:[^\&#039;]+)\&#039;|(?:[^ &gt;]+))/i&#039;, $html ) ) {
		$html = str_replace( &#039;sizes=&#039;, &#039;data-lazy-sizes=&#039;, $html );
	}

	return $html;
}
endif;

if ( ! function_exists( &#039;rocket_lazyload_get_youtube_id_from_url&#039; ) ) :
/**
 * Gets youtube video ID from URL
 *
 * @author Remy Perona
 * @deprecated 3.3
 * @since 2.11
 *
 * @param string $url URL to parse.
 * @return string     Youtube video id or false if none found.
 */
function rocket_lazyload_get_youtube_id_from_url( $url ) {
	_deprecated_function( __FUNCTION__ . &#039;()&#039;, &#039;3.3&#039;, &#039;\RocketLazyload\Iframe:getYoutubeIDFromURL()&#039; );
	$pattern = &#039;#^(?:https?:)?(?://)?(?:www\.)?(?:youtu\.be|youtube\.com|youtube-nocookie\.com)/(?:embed/|v/|watch/?\?v=)([\w-]{11})#iU&#039;;
	$result  = preg_match( $pattern, $url, $matches );

	if ( ! $result ) {
		return false;
	}

	if ( &#039;videoseries&#039; === $matches[1] ) {
		return false;
	}

	return $matches[1];
}
endif;

if ( ! function_exists( &#039;rocket_user_agent&#039; ) ) :
	/**
	 * Add Rocket informations into USER_AGENT
	 *
	 * @since 1.1.0
	 * @deprecated 3.3.6
	 *
	 * @param string $user_agent User Agent value.
	 * @return string WP Rocket user agent
	 */
	function rocket_user_agent( $user_agent ) {
		_deprecated_function( __FUNCTION__ . &#039;()&#039;, &#039;3.3.6&#039;, &#039;\WP_Rocket\Subscriber\Plugin\Updater_Api_Common_Subscriber-&gt;get_rocket_user_agent()&#039; );

		$consumer_key = &#039;&#039;;
		if ( isset( $_POST[ WP_ROCKET_SLUG ][&#039;consumer_key&#039;] ) ) {
			$consumer_key = $_POST[ WP_ROCKET_SLUG ][&#039;consumer_key&#039;];
		} elseif ( &#039;&#039; !== (string) get_rocket_option( &#039;consumer_key&#039; ) ) {
			$consumer_key = (string) get_rocket_option( &#039;consumer_key&#039; );
		}

		$consumer_email = &#039;&#039;;
		if ( isset( $_POST[ WP_ROCKET_SLUG ][&#039;consumer_email&#039;] ) ) {
			$consumer_email = $_POST[ WP_ROCKET_SLUG ][&#039;consumer_email&#039;];
		} elseif ( &#039;&#039; !== (string) get_rocket_option( &#039;consumer_email&#039; ) ) {
			$consumer_email = (string) get_rocket_option( &#039;consumer_email&#039; );
		}

		$bonus       = ! get_rocket_option( &#039;do_beta&#039; ) ? &#039;&#039; : &#039;+&#039;;
		$php_version = preg_replace( &#039;@^(\d\.\d+).*@&#039;, &#039;\1&#039;, phpversion() );
		$new_ua      = sprintf( &#039;%s;WP-Rocket|%s%s|%s|%s|%s|%s;&#039;, $user_agent, WP_ROCKET_VERSION, $bonus, $consumer_key, $consumer_email, esc_url( home_url() ), $php_version );

		return $new_ua;
	}
endif;

if ( ! function_exists( &#039;rocket_add_own_ua&#039; ) ) :
	/**
	 * Force our user agent header when we hit our urls
	 *
	 * @since 2.4
	 * @deprecated 3.3.6
	 *
	 * @param array  $request An array of request arguments.
	 * @param string $url     Requested URL.
	 * @return array An array of requested arguments
	 */
	function rocket_add_own_ua( $request, $url ) {
		_deprecated_function( __FUNCTION__ . &#039;()&#039;, &#039;3.3.6&#039;, &#039;\WP_Rocket\Subscriber\Plugin\Updater_Api_Common_Subscriber-&gt;maybe_set_rocket_user_agent()&#039; );

		if ( ! is_string( $url ) ) {
			return $request;
		}

		if ( strpos( $url, &#039;wp-rocket.me&#039; ) !== false ) {
			$request[&#039;user-agent&#039;] = rocket_user_agent( $request[&#039;user-agent&#039;] );
		}
		return $request;
	}
endif;

if ( ! function_exists( &#039;rocket_updates_exclude&#039; ) ) :
	/**
	 * Excludes WP Rocket from WP updates
	 *
	 * @since 1.0
	 * @deprecated 3.3.6
	 *
	 * @param array  $request An array of HTTP request arguments.
	 * @param string $url The request URL.
	 * @return array Updated array of HTTP request arguments.
	 */
	function rocket_updates_exclude( $request, $url ) {
		_deprecated_function( __FUNCTION__ . &#039;()&#039;, &#039;3.3.6&#039;, &#039;\WP_Rocket\Subscriber\Plugin\Updater_Subscriber-&gt;exclude_rocket_from_wp_updates()&#039; );

		if ( ! is_string( $url ) ) {
			return $request;
		}

		if ( 0 !== strpos( $url, &#039;http://api.wordpress.org/plugins/update-check&#039; ) || ! isset( $request[&#039;body&#039;][&#039;plugins&#039;] ) ) {
			return $request; // Not a plugin update request. Stop immediately.
		}

		$plugins = maybe_unserialize( $request[&#039;body&#039;][&#039;plugins&#039;] );

		if ( isset( $plugins-&gt;plugins[ plugin_basename( WP_ROCKET_FILE ) ], $plugins-&gt;active[ array_search( plugin_basename( WP_ROCKET_FILE ), $plugins-&gt;active, true ) ] ) ) {
			unset( $plugins-&gt;plugins[ plugin_basename( WP_ROCKET_FILE ) ] );
			unset( $plugins-&gt;active[ array_search( plugin_basename( WP_ROCKET_FILE ), $plugins-&gt;active, true ) ] );
		}

		$request[&#039;body&#039;][&#039;plugins&#039;] = maybe_serialize( $plugins );
		return $request;
	}
endif;

if ( ! function_exists( &#039;rocket_force_info&#039; ) ) :
	/**
	 * Hack the returned object
	 *
	 * @since 1.0
	 * @deprecated 3.3.6
	 *
	 * @param false|object|array $bool The result object or array. Default false.
	 * @param string             $action The type of information being requested from the Plugin Install API.
	 * @param object             $args Plugin API arguments.
	 * @return false|object|array Empty object if slug is WP Rocket, default value otherwise
	 */
	function rocket_force_info( $bool, $action, $args ) {
		_deprecated_function( __FUNCTION__ . &#039;()&#039;, &#039;3.3.6&#039;, &#039;\WP_Rocket\Subscriber\Plugin\Information_Subscriber-&gt;exclude_rocket_from_wp_info()&#039; );

		if ( &#039;plugin_information&#039; === $action &amp;&amp; &#039;wp-rocket&#039; === $args-&gt;slug ) {
			return new stdClass();
		}
		return $bool;
	}
endif;

if ( ! function_exists( &#039;rocket_force_info_result&#039; ) ) :
	/**
	 * Hack the returned result with our content
	 *
	 * @since 1.0
	 * @deprecated 3.3.6
	 *
	 * @param object|WP_Error $res Response object or WP_Error.
	 * @param string          $action The type of information being requested from the Plugin Install API.
	 * @param object          $args Plugin API arguments.
	 * @return object|WP_Error Updated response object or WP_Error
	 */
	function rocket_force_info_result( $res, $action, $args ) {
		_deprecated_function( __FUNCTION__ . &#039;()&#039;, &#039;3.3.6&#039;, &#039;\WP_Rocket\Subscriber\Plugin\Information_Subscriber-&gt;add_rocket_info()&#039; );

		if ( &#039;plugin_information&#039; === $action &amp;&amp; isset( $args-&gt;slug ) &amp;&amp; &#039;wp-rocket&#039; === $args-&gt;slug &amp;&amp; isset( $res-&gt;external ) &amp;&amp; $res-&gt;external ) {

			$request = wp_remote_post(
				WP_ROCKET_WEB_INFO, array(
					&#039;timeout&#039; =&gt; 30,
					&#039;action&#039;  =&gt; &#039;plugin_information&#039;,
					&#039;request&#039; =&gt; serialize( $args ),
				)
			);

			if ( is_wp_error( $request ) ) {
				// translators: %s is an URL.
				$res = new WP_Error( &#039;plugins_api_failed&#039;, sprintf( __( &#039;An unexpected error occurred. Something may be wrong with WP-Rocket.me or this server&amp;#8217;s configuration. If you continue to have problems, &lt;a href=&quot;%s&quot;&gt;contact support&lt;/a&gt;.&#039;, &#039;rocket&#039; ), rocket_get_external_url( &#039;support&#039;, array(
					&#039;utm_source&#039; =&gt; &#039;wp_plugin&#039;,
					&#039;utm_medium&#039; =&gt; &#039;wp_rocket&#039;,
				) ) ), $request-&gt;get_error_message() );
			} else {
				$res = maybe_unserialize( wp_remote_retrieve_body( $request ) );

				if ( ! is_object( $res ) &amp;&amp; ! is_array( $res ) ) {
					// translators: %s is an URL.
					$res = new WP_Error( &#039;plugins_api_failed&#039;, sprintf( __( &#039;An unexpected error occurred. Something may be wrong with WP-Rocket.me or this server&amp;#8217;s configuration. If you continue to have problems, &lt;a href=&quot;%s&quot;&gt;contact support&lt;/a&gt;.&#039;, &#039;rocket&#039; ), rocket_get_external_url( &#039;support&#039;, array(
						&#039;utm_source&#039; =&gt; &#039;wp_plugin&#039;,
						&#039;utm_medium&#039; =&gt; &#039;wp_rocket&#039;,
					) ) ), wp_remote_retrieve_body( $request ) );
				}
			}
		}

		return $res;
	}
endif;

if ( ! function_exists( &#039;rocket_check_update&#039; ) ) :
	/**
	 * When WP sets the update_plugins site transient, we set our own transient, then see rocket_add_response_to_updates
	 *
	 * @since 2.6.5
	 * @deprecated 3.3.6
	 *
	 * @param Object $value Site transient object.
	 */
	function rocket_check_update( $value ) {
		_deprecated_function( __FUNCTION__ . &#039;()&#039;, &#039;3.3.6&#039;, &#039;\WP_Rocket\Subscriber\Plugin\Updater_Subscriber-&gt;maybe_add_rocket_update_data()&#039; );

		$timer_update_wprocket = (int) get_site_transient( &#039;update_wprocket&#039; );
		$temp_object           = get_site_transient( &#039;update_wprocket_response&#039; );
		if ( ( ! isset( $_GET[&#039;rocket_force_update&#039;] ) || defined( &#039;WP_INSTALLING&#039; ) ) &amp;&amp;
			( 12 * HOUR_IN_SECONDS ) &gt; ( time() - $timer_update_wprocket ) // retry in 12 hours.
		) {
			if ( is_object( $value ) &amp;&amp; false !== $temp_object ) {
				if ( version_compare( $temp_object-&gt;new_version, WP_ROCKET_VERSION ) &gt; 0 ) {
					$value-&gt;response[ $temp_object-&gt;plugin ] = $temp_object;
				} else {
					delete_site_transient( &#039;update_wprocket_response&#039; );
				}
			}
			return $value;
		}

		if ( isset( $_GET[&#039;rocket_force_update&#039;] ) ) {
			$_SERVER[&#039;REQUEST_URI&#039;] = remove_query_arg( &#039;rocket_force_update&#039; );
		}

		$plugin_folder = plugin_basename( dirname( WP_ROCKET_FILE ) );
		$plugin_file   = basename( WP_ROCKET_FILE );
		$version       = true;
		if ( ! $value ) {
			$value               = new stdClass();
			$value-&gt;last_checked = time();
		}

		$response = wp_remote_get(
			WP_ROCKET_WEB_CHECK, array(
				&#039;timeout&#039; =&gt; 30,
			)
		);
		if ( ! is_a( $response, &#039;WP_Error&#039; ) &amp;&amp; 200 === $response[&#039;response&#039;][&#039;code&#039;] &amp;&amp; strlen( $response[&#039;body&#039;] ) &gt; 32 ) {

			set_site_transient( &#039;update_wprocket&#039;, time() );

			list( $version, $url ) = explode( &#039;|&#039;, $response[&#039;body&#039;] );
			if ( version_compare( $version, WP_ROCKET_VERSION ) &lt;= 0 ) {
				return $value;
			}

			$temp_array = array(
				&#039;slug&#039;        =&gt; $plugin_folder,
				&#039;plugin&#039;      =&gt; $plugin_folder . &#039;/&#039; . $plugin_file,
				&#039;new_version&#039; =&gt; $version,
				&#039;url&#039;         =&gt; &#039;https://wp-rocket.me&#039;,
				&#039;package&#039;     =&gt; $url,
			);

			$temp_object = (object) $temp_array;
			$value-&gt;response[ $plugin_folder . &#039;/&#039; . $plugin_file ] = $temp_object;

			set_site_transient( &#039;update_wprocket_response&#039;, $temp_object );
		} else {
			set_site_transient( &#039;update_wprocket&#039;, ( time() + ( 11 * HOUR_IN_SECONDS ) ) ); // retry in 1 hour in case of error..
		}
		return $value;
	}
endif;

if ( ! function_exists( &#039;rocket_reset_check_update_timer&#039; ) ) :
	/**
	 * When WP deletes the update_plugins site transient or updates the plugins, we delete our own transients to avoid another 12 hours waiting
	 *
	 * @since 2.6.8
	 * @deprecated 3.3.6
	 *
	 * @param string $transient Transient name.
	 * @param object $value Transient object.
	 */
	function rocket_reset_check_update_timer( $transient = &#039;update_plugins&#039;, $value = null ) {
		_deprecated_function( __FUNCTION__ . &#039;()&#039;, &#039;3.3.6&#039; );

		// $value used by setted.
		if ( &#039;update_plugins&#039; === $transient ) {
			if ( is_null( $value ) || is_object( $value ) &amp;&amp; ! isset( $value-&gt;response ) ) {
				delete_site_transient( &#039;update_wprocket&#039; );
			}
		}
	}
endif;
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