WP All Export get the image urls from the post content

wp-all-export-functions.php

<?php

function reboot_remove_image_dimensions($str){
	$re = '/-\d+x\d+\./m';
	return preg_replace($re, '.', $str);
}

function reboot_get_content_images($id){
	$p = get_post($id);
	$doc = new DOMDocument();
	libxml_use_internal_errors(true);
	$doc->loadHTML( $p->post_content );
	$xpath = new DOMXPath($doc);
	$imgs = $xpath->query("//img");
	$urls = [];
	for ($i=0; $i < $imgs->length; $i++) {
		$img = $imgs->item($i);
		$src = $img->getAttribute("src");
		if(strpos($src, 'phardon.com') !== false) {
			$urls[] = $src;
		}
	}
	
	$concat_urls = implode('|', $urls);

	return reboot_remove_image_dimensions($concat_urls);
}

?>