wp get attachment image url

Default: null Top Return So, let's go to the Admin Dashboard -> Customize -> Site Identity Options Panel and check it out. The link points the users to the Homepage of our website and the image source is the URL of the logo we just uploaded. If we echo the above URL directly to the browser, It is basically an XSS attack and youll see the following alert in the browser: Now lets sanitize the above malicious URL using theesc_url()function like this: If you notice the above URL, theesc_url()function removed the less than( < ) and greater than( > ) symbols from the URL all together. There are a lot of code samples out there that do this, but they all have problems to some degree or another. We already installed it, didnt we? Retrieves an attachment page link using an image or icon, if possible. Accepts any registered image size name, or an array of width and height values in pixels (in that order). But will not it be necessary to make an adjustment in terms of mobile view? Are you using a plugin that might be altering how theyre displayed? Thank me later. To display this custom logo, we need to get its URL first. Because this function returns the data, we can sanitize or manipulate the data to fit our needs. Hey! You can also use the wp_get_attachment_image () function to generate the image markup. I tried also to disable WP Rocket. It is not straightforward. This is character escaping in action. I dont need to tell you the importance of a Logo for a website. Cheers to your Dreams & Goals! It is a very bad theme development practice. WordPress ships with tons of sanitization functions. WordPress has nothing to do with the retina devices. Stop! Now lets take a look at thewp_get_attachment_image_src()WordPress function more closely. It also limits the responsiveness of the image. Now I see that it happens only on the German version of the page. Anyway, you can always change your mind by removing or changing the logo at a later point in time. wp_attachment_is_image (519271) returns true Because a few extra kilobytes of a logo image does not really impact your frontend page load speed. The fourth and last parameter is whether the image should be cropped to the exact dimensions. So, lets see how we can add and use our own image size in our child theme. So lets enable the support for the custom-logo theme feature. The second and third parameters are the maximum width and height respectively. We are getting the URL of the HomePage using thehome_url()function and then sanitizing the URL using theesc_url()function. And we can use the following WordPress functions to get access to the information we need: Now, lets put the above WordPress functions to the practice. Default: false Top Return array|false Attachment metadata. Oh man, I found the problem !!! I tried after that to upload an image and it still upload only the original image, no thumbnails are generated. Image attachment ID. There is one problem in the above image link markup. Gets the URL of an image attachment. Anyhow, WordPress made its choice a long time ago and went with the former approach. wp_get_attachment_image_srcURL, wp_get_attachment_image_srcID, IDIDwp_postsIDget_post_thumbnail_id($post->ID), 3URL$data[0]URLURL, wp_get_attachment_image_src, WordPressremove_menu_page, WordPressphp.suspected, http:// wrapper is disabled in the server configuration by allow_url_include=0. This is the plugin Regenerate Thumbnails that give me the clue. 3) The$iconParameter boolean (true or false), Ah! They were supposed to be short and thin. Since the_content is a filter and not an action, we need to return the value and not echo it. So, we have to tell it. Use the coupon code SUMMER and save 30% OFF! In this case this function returns the URL to the originally uploaded image file. wordpress url attachment Share Improve this question Follow asked Apr 30, 2012 at 19:37 Alfazo 73 1 1 7 2 I believe you are looking for wp_get_attachment_url ( $id ); or wp_get_attachment_image_src ( $attachment_id, $size, $icon ); instead - the function you quoted is not a WP function. This only responsibility of this function is to generate the following markup: As you can see, this function generates an HTML image link. Where about would that be? So, I did not provide the parameter at all. 423 4 17 Where are you using the wp_get_attachment_url () function? Actually i want to set the post thumbnail size for the banner image.Which i was uploading through featured image in the background please suggest me. The first item inside the array is the image URL that we need. Hi Dominic, It's much more efficient than having to find the closest-sized image and then having the browser scale down the image. $size string | int [] Optional Image size. Go the theme directory and upload your logo with a specific file name.. My multisite media URLs all look like http://example.com/files/10/2013/03/file.ext . WordPress divides its functions into categories so that we can easily find them and discuss them with our fellow developers . Only down. https://wordpress.stackexchange.com/a/293839 width int The width of the attachment. Description While $size will accept an array, it is better to register a size with add_image_size () so that a cropped version is generated. This website is dedicated to teaching you WordPress for free, from both client and developer perspective so that you could live a life of freedom and financial security. The new editor dont create my custom image thumbnails, it only upload the full size image. Mar 8, 2017 at 20:29 Add a comment 3 Answers Sorted by: 1 In function passing a attachment id or thumbnail id NOT post id. Conclusion. https://wordpress.stackexchange.com/a/395408. If you notice thetag, you can see the width and height attributes on it. - kjetilh Mar 7, 2013 at 14:05 its the part of the content. So, lets go to theAdmin Dashboard -> Customize -> Site Identity Options Paneland check it out. WordPress is a dynamic CMS and our clients love WordPress because it easily allows them to modify all the above pieces of information with just a few clicks. We should never hard-code any values that a client can change via the Admin Dashboard. custom-logo theme feature is the best example for this case. function child_theme_setup() { Default: 'medium' $image_meta array Optional The image meta data as returned by ' wp_get_attachment_metadata () '. Well hook to the content and grab and inject our images right then and there. height int The height of the attachment. Attachment ID from Image URL paste the below code in functions.php to register a function. In my opinion, It is better we generate the above Logo Image link markup manually by taking the full control. Even if it is coming from your own sites database. The AJAX Thumbnail Rebuild plugin of course! In the settings of the plugin, a message said to me that my server dont support image modification, then the plugin could not create the thumbnails. is your function hooked to the after_setup_theme action? This is how you use the image size defined earlier! Since you reached this far, especially if you also read the article about the crop array parameters, you must be getting tired. How? medium 300x300px (maximum width or height is 300px), large larger thumbnail (maximum width or height is 1024px), full the original image with the actual dimensions. $size string | int [] Optional Image size. Interested in functions, hooks, classes, or methods? Check out the new WordPress Code Reference! Also all other image in the post (beside the images loaded via WPSP) are scaled on desktop and full size on mobile. Is it possible define it also for featured images in posts (not pages)? If it's unique, a new size will be created with that name. First of all, you should know what image sizes are already available, since there might be one that suits your needs, already defined. The objects returned can be filtered to just images, by setting the first parameter to image. So, What next? Now that we have a button to upload the site logo, lets upload the following logo: The size of the above logo is 140x88px. So, just as a fallback, we need to output the name of the site using: WordPress pulls the site name from Site Title option set inAdmin Dashboard -> Settings > Generaland echoes it to the browser. And, in the last lesson, you have also learned that custom-logo theme featureupload logobutton. Did you regenerate your thumbnails after you added the function? You can use wp_get_attachment_image() which generates an img tag along with its responsive srcset and sizes attributes. This is how we truly add theme support for some features. So, in our case, we need to sanitize the Site title before echoing it. The easiest way is to install the AJAX Thumbnail Rebuild plugin. In our case, We are using this parameter to just add the trailing slash( / )at the end of the URL. this can be done with the set_post_thumbnail_size() function. . How to load Google Fonts in a child theme, How to add header and footer scripts to your WordPress site, How to add custom fields to the WordPress registration form, responsive srcset and sizes attributes. You can also use the wp_get_attachment_image() (opens new window) function to generate the image markup. The images appear but are clearly the wrong size. If you use the core theme display, it should use the srcset values provided by WordPress. Ive just checked and every occurrence seems correct. Rendering Repeaters So, dont worry about it . There are two ways to render media files. Another approach would be to generate any intermediate sizes on the fly, only when and if needed. It works kinda. ); Thanks for this helpful article Anastis. So, you want to display images in some very specific dimensions. However, youve overridden this behavior in the attributes argument with 'src' => '' so where we would normally expect an URL of the requested size, we instead get an empty string. The URL that Elvin mentioned above isnt using GeneratePress to serve the images. I understand the removing part! 1 The following applies to all attchment images on my site: There is a PNG image attachment, its ID is 519271. wp_get_attachment_image (519271, 'thumbnail', false, array ( 'id' => 'esjb-preview-image' )) returns "". Could it get any simple? $size string | int [] Optional Image size. How can I make them show something interesting?. Comment * document.getElementById("comment").setAttribute( "id", "af9523c7434ddc46dae54bfffba9ef8f" );document.getElementById("b6f63b86f4").setAttribute( "id", "comment" ); WordPress gave me a beautiful life with freedom and financial security. file string The file path relative to wp-content/uploads. Mobile item 28. https://www.webpagetest.org/result/211112_AiDc08_4bcbf04428bb42e52df7589ce3532a4a/1/details/#waterfall_view_step1. Where and How does WordPress displays this logo? We will be seeing this in practice when we build our blogs archive pages. It said too to ask to my hosting provider to enable GD or Imagick in PHP. Anyway, what if the logo is not uploaded or removed for some reason? We can see that there are no image sizes with the dimensions we need, or any that are a bit close to what we need anyway. I added them to a function like you said to try to solve a problem since WordPress 5.0 and Gutenberg. This function will not URL encode the URL. Default: 'thumbnail' $icon bool Optional Whether the image should be treated as an icon. What well be building is a simple feature where when viewing a single post, any images uploaded specifically to the post (i.e. https://github.com/tomusborne/generatepress/blob/adfe090929b0515cdf894f4c6b722cfe8c0790dc/inc/structure/featured-images.php#L34-L51, With the main concern being this function https://developer.wordpress.org/reference/functions/get_the_post_thumbnail/, And then add your specific parameters/attributes. Your email address will not be published. Nothing much happening in there! Your email address will not be published. But to your point, if youre going to use wp_is_mobile() then you can try using it for the generate_page_header_default_size filter. First, we hook our function to the_content filter so we can change its value, via the add_filter() call. You might try getting the data you need directly from the DB with $wpdb->get_var (). thats weired. Now,a conditional tagis nothing but a PHP function which returns a true or false. This is it right here! It makes thing easy to debug if something goes wrong. Im not sure Im seeing what you mentioned. If its about changing the default size used by the featured image, you can use this filter: Why should the img tags src attribute be empty? Before we output the markup for the logo, we must always check if the logo has been uploaded in the first place. But, it is ideal to not trust any piece of data in the World of the Internet. You need to get two different image size URLs, one for full size, and one for the cropped size. The function is doing as you ask. This is why in our case, we are providing a string with a valuefull. The original images are 672x345px. If you want your WordPress website to be retina ready, use SVGs or Font-Icons. No! :) [updated] var_dump ($my_image) returns: array (1) { [0]=> string (86) "http://localhost/theme/wp-content/uploads/2014/10/my_image.jpg" } It depends on your requirements and the image sizes in question. add_image_size() accepts three parameters; the first is the sizes name. Viewing 3 replies - 1 through 3 (of 3 total), Custom image size not displaying with wp_get_attachment_image(), This topic was modified 2 years, 8 months ago by. I never really used it. 1 Answer Sorted by: 17 Use wp_get_attachment_image_src (get_post_thumbnail_id ($post_array->ID), 'medium'). Hi Tom, From step 2, we know that the URL is inside the first item of the array returned by thewp_get_attachment_image_src()WordPress function. But What the heck is escaping?. Just go to Dashboard Tools Rebuild Thumbnails again, make sure my_wide is selected, and press the Rebuild All Thumbnails button. In this case, image gets converted internally to image/* (the asterisk is a wildcard), so it ends up matching all image types. For example, we can put the logo inside our themesassets/imagesdirectory and echo it out like this: At the end of the day, all we need is the URL of the logo so that we can give it to the image tag. In the case of our URL, theesc_url()function checks if the URL is valid. In the example above, we define a new image size called my_wide with dimensions 750150 and cropping enabled. I think its some issues that I should post on Github project of Gutenberg and WordPress 5.0. The image custom size image (gallery-thumb) needs to load into data-src for lazy loading (with no src) For the image, I used wp_get_attachment_image () $image = wp_get_attachment_image ( $attachment_id, 'gallery-thumb', false, array ( 'class' => 'lazy image_zoom', 'data-src' => $url, 'src' => '') ); For example, a hacker can put a script tag inside the URL and attempt a Cross Site Scripting ( XSS ) attack. Required fields are marked *. Right there at the start we could also check for the current post type, in case we needed to only show the gallery on posts but not on pages, for example. The size it is loading is the full size with the correct width and height settings (so it is scaling the image) How do I force it to load the cropped custom image size? Default: false Top Now, instead of one of the images sizes mentioned above, we can also specify custom image dimensions in the form of an array. this works for the images in the post and a big part of the problem is solved . Who knows, your database could have been compromised by a Hacker. I tried again the image upload in Gutenberg and all thumbnails was created whitout any problem. By using UsableWP, you agree to our Cookie Policy. and we are saving these details to the $custom_logo_datavariable. You can put this code anywhere inside theelement. Hey! I believe this would bypass WP caching (I could be wrong on this). I cant stop praising WordPress when it comes to the conveniences it provides. Wait for it to finish, and the refresh the test post page. Instead of a boolean, this parameter may also be an array to specify how to crop the images. Also, Spaces doesnt belong in a URL. If the logo is not uploaded, we can not a show empty space in the place of the logo, right? November 11, 2021 at 4:44 pm #2000878. Desktop item 30. https://www.webpagetest.org/result/211112_AiDc48_e3af52caf6620cbffec496c96b68fc49/1/details/#waterfall_view_step1 So, go back to theheader.phpfile and call the above function inside the

with classlogo. Thanks for the post. Please see the screenshots. If so, thats likely the first place to look. The 300w, 768w and 1024w you see on the srcset should be the condition for viewports. And, if you switch back to the browser, youll still see the same out. 30-day money-back guarantee. There is one important difference between theget_bloginfo()and thebloginfo()functions. wp_get_attachment_image_src (519271) returns false. Happily building WordPress themes without the confusing parts since 2012. 1 Basically, you can find the answer and very good example at official documentation of that function: https://developer.wordpress.org/reference/functions/wp_get_attachment_image_url/ A little summary: The href needs to be the full size image 2. A list of default MIME types allowed by WordPress can be found here. Example: using medium size for featured images. The image custom size image (gallery-thumb) needs to load into data-src for lazy loading (with no src), For the image, I used wp_get_attachment_image(). We can use these values to set the width and height attributes on thetag. Default 'thumbnail'. There shouldnt be any need for wp_is_mobile if youre defining your own srcset because the point of having srcset itself is for responsive serving of image. Thanks for your reply. I have checked the URL and the custom size exists Is there a problem with wp_get_attachment_image() and custom sizes? And that is all you need to know about manually outputting the custom logo. It is not that important. In our case, we have uploaded the logo, so the above function will return true and WordPress will process the code inside the IF condition and outputs the image link markup to the browser. Well, newly introduced image sizes only affect newly uploaded images. In order to get the URL for the specific images size, we use the wp_get_attachment_image_url() function. Note that we dont echo the tags immediately, but store them in the variable $gallery and finally concatenating them with $content. Now that we have a button to upload the site logo, let's upload the following logo: The size of the above logo is 140x88px. So,esc_url()function turned the space into%20 HTML Entity. The second parameter is the name of the image size that we want. And we can only use a conditional tag only inside a conditional statement like IF, ELSE IF, WHILE, etc. This is what our gallery will kinda look like. Get the URL of an image attachment. $gallery .= sprintf( , Ive inspected the site on an Android phone and its using only 1 image size for both which is this one: /wp-content/uploads/2020/10/Rom-Dezember-Via-Condotti-672-300x154.jpg?ezimgfmt=ng%3Awebp%2Fngcb2%2Frs%3Adevice%2Frscb2-2. Voila! The image src is empty and initiated when lazy loading scrolls into view but that is completely irrelevant to the issue. Now, lets var dump the$custom_logo_datavariable to examine whatwp_get_attachment_image_src()is returning. False on failure. You must be logged in to reply to this topic. Here is the finalfheader.phpfile for this lesson: Now that we are done with the HTML markup of Site Logo, in the next lesson, we will fix the styling of the Header. And getting the URL of the custom logo involves the following steps: As I have mentioned in a previous lesson, WordPress provides a unique ID to every image that has been uploaded to the media library. It is a common pratice to link the site logo to the homepage of the website. We've also provided some use cases you can test on your WordPress website. So, we are just storing the value of the first item of the$custom_logo_dataarray inside the$custom_logo_urlvariable. WordPress automatically generates various thumbnails sizes for every uploaded image. This function returns an array of WP_Post objects that are attached to the current post. At wpSocket, we aim to bring the best WordPress Developers, Administrators, Bloggers, Outsourcers, Freelancers, Site Owners, Buyers, Sellers under the same hub and spoke. Share Improve this answer Follow For example, if you are using MAMP, this is what you get: But, you can change this by using the parameters that thehome_url()function accepts. Not satisfied? Since there is no image size we can re-use, we need to define a new one. This minimizes disk space usage, but carries the overhead of checking whether the requested size exists on every request, and actually generating it if it doesnt. If we dont specify the image size, by default, WordPress gives us the image data for the thumbnail version of the actual uploaded image. And the width and height attributes on thetag forces us to write CSS in a limited way. We do that with a simple function call to add_image_size(), preferably on the after_setup_theme action. Pro Tip: It is always a good idea to var_dump any WordPress function that returns something. And, we need the image ID of a particular image to get its URL. Viewing 10 posts - 1 through 10 (of 10 total), https://www.webpagetest.org/result/211112_AiDc48_e3af52caf6620cbffec496c96b68fc49/1/details/#waterfall_view_step1, https://www.webpagetest.org/result/211112_AiDc08_4bcbf04428bb42e52df7589ce3532a4a/1/details/#waterfall_view_step1, https://docs.generatepress.com/article/generate_page_header_default_size/, https://github.com/tomusborne/generatepress/blob/adfe090929b0515cdf894f4c6b722cfe8c0790dc/inc/structure/featured-images.php#L34-L51, https://developer.wordpress.org/reference/functions/get_the_post_thumbnail/, https://wordpress.stackexchange.com/a/293839, https://wordpress.stackexchange.com/a/395408, This topic has 9 replies, 4 voices, and was last updated. Dont ever do that. Most of the beginner theme developers use the above technique and they ask the client to replace the site logo image inside theassets/imagesdirectory. Your money back, no questions asked. If you use instead the media library, it upload the image in the month folder of the original post published date. That was it. But, If it is not valid URL, it escapes and removes any malicious characters that shouldnt be used inside a URL.

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