Skip to content

Clean iframe tags if DIVI #297

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 2 commits into
base: main
Choose a base branch
from
Open

Clean iframe tags if DIVI #297

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
5ac091a
clean iframe tags
geckod22 Aug 6, 2025
78bd2ff
function name to snake_case
geckod22 Aug 7, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
36 changes: 36 additions & 0 deletions includes/Images/ImageLazyLoader.php
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -116,6 +116,33 @@ private function get_inline_script() {
window.nfdPerformance.imageOptimization.lazyLoading = ' . wp_json_encode( self::$exclusions ) . ';';
}

/**
* Cleans up content by replacing specific patterns with replacements.
* This method is used to sanitize or modify content before lazy loading is applied.
*
* @param string $pattern Regular expression pattern to match.
* @param string $search String to search for in the content.
* @param string $replace String to replace the search string with.
* @param string $content The content to be cleaned.
* @return string The cleaned content.
*/
public function clean_content( $pattern, $search, $replace, $content ) {

if ( empty( $content ) || empty( $pattern ) || empty( $search ) ) {
return $content;
}

$content = preg_replace_callback(
$pattern,
function ( $matches ) use ( $search, $replace ) {
$cleanedIframe = str_replace( $search, $replace, $matches[0] );
return $cleanedIframe;
},
$content
);
return $content;
}

/**
* Applies lazy loading to images in HTML content.
* Skips images with specified exclusion classes or attributes.
Expand All @@ -134,6 +161,15 @@ public function apply_lazy_loading( $content ) {
libxml_use_internal_errors( true );

try {
if ( function_exists( 'et_setup_theme' ) ) {
$content = $this->clean_content(
'/<iframe(.*?)<\/iframe>/s',
'<!-- [et_pb_line_break_holder] -->',
'',
$content
);
}

// Attempt to parse the HTML content using htmlentities for encoding.
$content = '<!DOCTYPE html><html><head><meta charset="UTF-8"></head><body>' . $content . '</body></html>';
if ( ! $doc->loadHTML( $content, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD ) ) {
Expand Down
Loading