Remove Image Links in WordPress

functions.php

////////// 1. Blank link

function remove_links_around_images($content) {
    // Use regex to remove anchor tags around image tags
    $pattern = '/<a[^>]*>(\s*<img[^>]*>\s*)<\/a>/i';
    $replacement = '$1';  // Keep the image tag and remove the anchor tag
    $content = preg_replace($pattern, $replacement, $content);
    
    return $content;
}
add_filter('the_content', 'remove_links_around_images');
      
///////// 2. Image link
      
function link_images_to_their_url($content) {
    // Use regex to add anchor tags around image tags
    $pattern = '/(<img [^>]+>)/i';
    $replacement = '<a href="$1">$1</a>';
    
    // Add link around image
    preg_match_all($pattern, $content, $matches);
    foreach ($matches[0] as $img_tag) {
        // Get the URL of the image
        preg_match('/src=["\']([^"\']+)["\']/', $img_tag, $src_match);
        if (isset($src_match[1])) {
            $img_url = $src_match[1];
            $new_img_tag = '<a href="' . $img_url . '">' . $img_tag . '</a>';
            $content = str_replace($img_tag, $new_img_tag, $content);
        }
    }
    
    return $content;
}
add_filter('the_content', 'link_images_to_their_url');