Release new version 2.4.6

= 2.4.6 - 2021/06/08 =
* This maintenance release has code tweaks to resolve conflicts with third party plugs that use data-src and data-poster attributes, plus compatibility with WordPress 5.7.2
* Tweak - Check if data-src attribute exists on image tags, if so, then lazy load placeholder image for src attribute
* Tweak - Check if data-poster attribute exists on video tags, if so, then lazy load placeholder image for poster attribute
* Tweak - Test for compatibility with WordPress 5.7.2

Author: alextuan

a3-lazy-load.php

@@ -2,11 +2,11 @@
 /*
 Plugin Name: a3 Lazy Load
 Description: Speed up your site and enhance frontend user's visual experience in PC's, Tablets and mobile with a3 Lazy Load.
-Version: 2.4.5
+Version: 2.4.6
 Author: a3rev Software
 Author URI: https://a3rev.com/
 Requires at least: 5.0
-Tested up to: 5.7
+Tested up to: 5.7.2
 Text Domain: a3-lazy-load
 Domain Path: /languages
 License: GPLv2 or later
@@ -31,7 +31,7 @@
 
 define( 'A3_LAZY_LOAD_KEY', 'a3_lazy_load' );
 define( 'A3_LAZY_LOAD_PREFIX', 'a3_lazy_load_' );
-define( 'A3_LAZY_VERSION', '2.4.5' );
+define( 'A3_LAZY_VERSION', '2.4.6' );
 define( 'A3_LAZY_LOAD_G_FONTS', false );
 
 use \A3Rev\LazyLoad\FrameWork;

classes/class-a3-lazy-load.php

@@ -425,8 +425,14 @@ protected function _filter_images( $content, $include_noscript = null ) {
 			if ( ! ( is_array( $this->_skip_images_classes ) && preg_match( $skip_images_regex, $imgHTML ) ) && ! preg_match( "/src=['\"]data:image/is", $imgHTML ) && ! preg_match( "/src=.*lazy_placeholder.gif['\"]/s", $imgHTML ) && ! $a3_lazy_load_excludes->has_skip_lazy_attribute( $imgHTML ) ) {
 				$i++;
 				// replace the src and add the data-src attribute
-				$replaceHTML = '';
-				$replaceHTML = preg_replace( '/<img(.*?)src=/is', '<img$1src="' . $this->_placeholder_url . '" data-lazy-type="image" data-src=', $imgHTML );
+				$replaceHTML = $imgHTML;
+
+				if ( ! preg_match( "/ data-src=['\"]/is", $replaceHTML ) ) {
+					$replaceHTML = preg_replace( '/<img(.*?)src=/is', '<img$1src="' . $this->_placeholder_url . '" data-lazy-type="image" data-src=', $replaceHTML );
+				} elseif ( preg_match( "/ src=['\"]/is", $replaceHTML ) ) {
+					$replaceHTML = preg_replace( '/ src=(["\'])(.*?)["\']/is', ' src="' . $this->_placeholder_url . '"', $replaceHTML );
+				}
+
 				$replaceHTML = preg_replace( '/<img(.*?)srcset=/is', '<img$1srcset="" data-srcset=', $replaceHTML );
 
 				// add the lazy class to the img element
@@ -619,7 +625,14 @@ protected function _filter_videos( $content, $include_noscript = null ) {
 
 				$replaceHTML = '';
 				$replaceHTML = preg_replace( '/video(.*?)src=/is', 'video$1 data-lazy-type="video" data-src=', $imgHTML );
-				$replaceHTML = preg_replace( '/video(.*?)poster=/is', 'video$1poster="' . $this->_placeholder_url . '" data-lazy-type="video" data-poster=', $replaceHTML );
+
+				if ( ! preg_match( "/ data-poster=['\"]/is", $replaceHTML ) ) {
+					$replaceHTML = preg_replace( '/video(.*?)poster=/is', 'video$1poster="' . $this->_placeholder_url . '" data-lazy-type="video" data-poster=', $replaceHTML );
+				} elseif ( preg_match( "/ poster=['\"]/is", $replaceHTML ) ) {
+					$replaceHTML = preg_replace( '/ poster=(["\'])(.*?)["\']/is', ' poster="' . $this->_placeholder_url . '"', $replaceHTML );
+				} else {
+					$replaceHTML = preg_replace( '/<video/is', '<video poster="' . $this->_placeholder_url . '"', $replaceHTML );
+				}
 
 				// add the lazy class to the img element
 				if ( preg_match( '/class=["\']/i', $replaceHTML ) ) {

readme.txt

@@ -2,8 +2,8 @@
 Contributors: a3rev, a3rev Software, nguyencongtuan
 Tags: a3 lazy load, Lazy Loading, image lazy load, lazyload
 Requires at least: 5.0
-Tested up to: 5.7
-Stable tag: 2.4.5
+Tested up to: 5.7.2
+Stable tag: 2.4.6
 License: GPLv3
 License URI: http://www.gnu.org/licenses/gpl-3.0.html
 
@@ -199,6 +199,12 @@ Filter tags to add to class name of theme to exclude lazy load on images or vide
 
 == Changelog ==
 
+= 2.4.6 - 2021/06/08 =
+* This maintenance release has code tweaks to resolve conflicts with third party plugs that use data-src and data-poster attributes, plus compatibility with WordPress 5.7.2 
+* Tweak - Check if data-src attribute exists on image tags, if so, then lazy load placeholder image for src attribute
+* Tweak - Check if data-poster attribute exists on video tags, if so, then lazy load placeholder image for poster attribute
+* Tweak - Test for compatibility with WordPress 5.7.2
+
 = 2.4.5 - 2021/03/17 =
 * This maintenance release updates 23 deprecated jQuery functions for compatibility with the latest version of jQuery in WordPress 5.7
 * Tweak - Update JavaScript on plugin framework for compatibility with latest version of jQuery and resolve PHP warning event shorthand is deprecated.
@@ -570,6 +576,9 @@ Filter tags to add to class name of theme to exclude lazy load on images or vide
 
 == Upgrade Notice ==
 
+= 2.4.6 =
+This maintenance release has code tweaks to resolve conflicts with third party plugs that use data-src and data-poster attributes, plus compatibility with WordPress 5.7.2
+
 = 2.4.5 =
 This maintenance release updates 23 deprecated jQuery functions for compatibility with the latest version of jQuery in WordPress 5.7