Articles Custom OG Image

rankmath.php

<?
add_filter("rank_math/opengraph/facebook/og_image", function($content) {
	if(is_singular('articles') && is_main_query()){
		$ogimg = get_post_meta(get_the_ID(), '_dcms_eufi_img', true);
        if(isset($ogimg) && !empty($ogimg))
		{
			return $ogimg;
		}
	}
	return $content;
});

add_filter("rank_math/opengraph/facebook/og_image_secure_url", function($content) {
	if(is_singular('articles') && is_main_query()){
		$ogimg = get_post_meta(get_the_ID(), '_dcms_eufi_img', true);
        if(isset($ogimg) && !empty($ogimg))
		{
			return $ogimg;
		}
	}
	return $content;
});

add_filter("rank_math/opengraph/facebook/og_image_width", function($content) {
	if(is_singular('articles') && is_main_query()){
		$ogimg = get_post_meta(get_the_ID(), '_dcms_eufi_img', true);
        if(isset($ogimg) && !empty($ogimg))
		{
			$content = false;
		}
	}
	return $content;
});

add_filter("rank_math/opengraph/facebook/og_image_height", function($content) {
	if(is_singular('articles') && is_main_query()){
		$ogimg = get_post_meta(get_the_ID(), '_dcms_eufi_img', true);
        if(isset($ogimg) && !empty($ogimg))
		{
			$content = false;
		}
	}
	return $content;
});

add_filter("rank_math/opengraph/facebook/og_image_type", function($content) {
	if(is_singular('articles') && is_main_query()){
		$ogimg = get_post_meta(get_the_ID(), '_dcms_eufi_img', true);
        if(isset($ogimg) && !empty($ogimg))
		{
			$mimetype = get_image_mime_type($ogimg);
			if($mimetype) {
				$content = $mimetype;
			} else {
				$content = false;
			}
		}
	}
	return $content;
});

add_filter("rank_math/opengraph/twitter/image", function($content) {
	if(is_singular('articles') && is_main_query()){
		$ogimg = get_post_meta(get_the_ID(), '_dcms_eufi_img', true);
        if(isset($ogimg) && !empty($ogimg))
		{
			return $ogimg;
		}
	}
	return $content;
});


function get_image_mime_type($image_path)
{
    $mimes  = array(
        IMAGETYPE_GIF => "image/gif",
        IMAGETYPE_JPEG => "image/jpg",
        IMAGETYPE_PNG => "image/png",
        IMAGETYPE_WEBP => "image/webp"
        );

    if (($image_type = exif_imagetype($image_path))
        && (array_key_exists($image_type ,$mimes)))
    {
        return $mimes[$image_type];
    }
    else
    {
        return false;
    }
}