wp get attachment image url

Just go to Dashboard Tools Rebuild Thumbnails to see them all together. custom-logo theme feature is the best example for this case. A list of default MIME types allowed by WordPress can be found here. }. It may not be what you want, but its what you asked for. We already installed it, didnt we? But, it is ideal to not trust any piece of data in the World of the Internet. The objects returned can be filtered to just images, by setting the first parameter to image. You need to get two different image size URLs, one for full size, and one for the cropped size. Are you using a plugin that might be altering how theyre displayed? I've been searching literally everywhere and there are no sane answers, how is wp_get_attachment_image_src () supposed to work if there's not a single line on getting $attachment_id in Codex whatsoever? We do this so that were certain the gallery wont appear on other pages, such as the blog, search results or category listings (it really depends on whether the theme uses the_excerpt() or the_content() on this kind of listing pages). In fact, if we just echoed our tags from within my_wide_images_after_the_content(), they would show up before the content, as $content would actually be echoed later. We are just printing the Site name inside it by sanitizing it. By providing the valuefullwe are telling WordPress that Hey! Go to theheader.phpfile and replace the following code: Dont panic. In the case of our URL, theesc_url()function checks if the URL is valid. First, we hook our function to the_content filter so we can change its value, via the add_filter() call. And this function accepts two parameters. wp_get_attachment_image_src (519271) returns false. Some clients even ask me to change the website name. And the width and height attributes on thetag forces us to write CSS in a limited way. I have checked the URL and the custom size exists Is there a problem with wp_get_attachment_image() and custom sizes? Dont ever do that. Hi Andy, Well hook to the content and grab and inject our images right then and there. We can force WordPress to regenerate the intermediate image sizes for all existing images. I defined medium size and width 300px / height 154px. If its unique, a new size will be created with that name. Wait for it to finish, and the refresh the test post page. Happily building WordPress themes without the confusing parts since 2012. So, lets see how we can add and use our own image size in our child theme. Accepts any registered image size name, or an array of width and height values in pixels (in that order). That was it. More context here: If we dont specify the image size, by default, WordPress gives us the image data for the thumbnail version of the actual uploaded image. Would it be possible with wp_is_mobile? Where about would that be? BUT, this doesnt work, the image is loading the full size, not the custom size (see below). And we can only use a conditional tag only inside a conditional statement like IF, ELSE IF, WHILE, etc. Get Attachment ID from a WordPress Image URL - WP Scholar Get Attachment ID from a WordPress Image URL Taking a WordPress image URL and using it to get the attachment ID is a bit tricky. Comment * document.getElementById("comment").setAttribute( "id", "af9523c7434ddc46dae54bfffba9ef8f" );document.getElementById("b6f63b86f4").setAttribute( "id", "comment" ); WordPress gave me a beautiful life with freedom and financial security. The URL that Elvin mentioned above isnt using GeneratePress to serve the images. 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. If we uploaded the logo, WordPress will provide us with a chance to crop the image and I will skip cropping because I already properly cropped the logo inside Adobe Photoshop. Later on we just need to pass a url to pp_get_image_id (url of image) and it will get us the id of the image. Another approach would be to generate any intermediate sizes on the fly, only when and if needed. Re-using image sizes saves both disk space and bandwidth, as a single image can be cached by the users browser but displayed in multiple places. Open up thefunctions.phpfile and put the following highlighted code inside the nd_dosth_theme_setupaction, like this: Alright, this tells WordPress that our theme supports an uploadable custom logo and forces WordPress to provide an upload logo section inside theSite Identity Options Panel. Lets view the post. 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? file string The file path relative to wp-content/uploads. sizes array Keys are size slugs, each value is an array containing 'file', 'width', 'height', and 'mime-type'. add_image_size( thumbnails-2cols, 355, 167, false ); // Cration des miniatures pour les articles 2 colonnes WordPress ships with tons of sanitization functions. If there was a predefined size that matched the aspect ratio of the one we need, e.g. I understand the removing part! Youll agree with me if we break it down piece by piece. I found another issue with Gutenberg Editor : when you upload an image using the block image tool, it upload the image in the current month folder and not the month where the original post was published. If it's unique, a new size will be created with that name. If you notice thetag, you can see the width and height attributes on it. Retrieves an image to represent an attachment. Top Parameters $attachment_id int Required Image attachment ID. Please see the screenshots. Lets test it. The new editor dont create my custom image thumbnails, it only upload the full size image. - kjetilh Mar 7, 2013 at 14:05 its the part of the content. Im not going to go into that, but if you are interested, David Coleman has a great post explaining crops in detail. Mobile item 28. https://www.webpagetest.org/result/211112_AiDc08_4bcbf04428bb42e52df7589ce3532a4a/1/details/#waterfall_view_step1. 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. There are two ways to render media files. While its main function is to regenerate image files (something that we will need a bit later), it also reports about the existing image sizes along with their defined dimensions. Go the theme directory and upload your logo with a specific file name.. In order to get the URL for the specific images size, we use the wp_get_attachment_image_url() function. Is it possible define it also for featured images in posts (not pages)? First of all, you should know what image sizes are already available, since there might be one that suits your needs, already defined. I defined medium size and width 300px / height 154px. So, I did not provide the parameter at all. This only responsibility of this function is to generate the following markup: As you can see, this function generates an HTML image link. Default: 'thumbnail' $icon bool Optional Whether the image should be treated as an icon. Anyhow, WordPress made its choice a long time ago and went with the former approach. We can also directly echo the URL without sanitizing it. Unlike the title-tag feature, WordPress is not going to display this logo automatically. Immediately we check if were seeing a single post or not. In our case, We are using this parameter to just add the trailing slash( / )at the end of the URL. Lets take a look at the above image link markup one more time: If you notice the image link markup in the above figure, there are only three pieces of dynamic information that needs to be pulled from the database. Just like URLs, We must sanitize any dynamic data before we echo it inside an HTML attribute and theesc_attr()function does just that. Actually i want to set the post thumbnail size for the banner image.Which i was uploading through featured image in the background please suggest me. But this parameter becomes extremely useful if we are migrating our website to HTTPS from HTTP. So, In our case, we provided the$custom_logo_idvariable as the first argument. Ive used a function to disable Gutenberg : add_filter(use_block_editor_for_post, __return_false); It come back the WordPress admin to classic editor. WordPress lookup for wp_get_attachment_image_url, a WordPress Function. Let me know in the comments below. Hi Dominic, License, Summer Sale! https://wordpress.stackexchange.com/a/395408. I think you forgot to put the quotes around my_wide. So, it is extremely important that we provide an easy way for the client to upload and change the site logo at any time and place. Now,a conditional tagis nothing but a PHP function which returns a true or false. Anyway, you can always change your mind by removing or changing the logo at a later point in time. It is our responsibility as the theme developer to query this logo image from the database and display it on the frontend webpage using the theme template files. What well be building is a simple feature where when viewing a single post, any images uploaded specifically to the post (i.e. Home Forums Support [Resolved] Dynamic image size on mobile, Home Forums Support Dynamic image size on mobile. The second and third items are width and height values in pixels respectively. Now that we have a button to upload the site logo, lets upload the following logo: The size of the above logo is 140x88px. And, in the last lesson, you have also learned that custom-logo theme featureupload logobutton. We will be going through them when the time comes. I cant stop praising WordPress when it comes to the conveniences it provides. If you notice thesrcattribute in the above code, we are sanitizing the URL before echoing it to the browser. Since there is no image size we can re-use, we need to define a new one. About the last code you suggested. ); Thanks for this helpful article Anastis. wp_get_attachment_image_url - works similarly to wp_get_attachment_image function, but instead of returning the whole <img> html string, it only returns the URL of the image the_post_thumbnail - displays the post thumbnail Desktop item 30. https://www.webpagetest.org/result/211112_AiDc48_e3af52caf6620cbffec496c96b68fc49/1/details/#waterfall_view_step1 There are a lot of code samples out there that do this, but they all have problems to some degree or another. Now lets test this out by visiting the Homepage in the browser. UsableWP is my way of giving back to the WordPress community. Could it get any simple? Functions Filters Actions Constants General information Source wp_get_attachment_image WordPress Function Since 2.5.0 Deprecated n/a wp_get_attachment_image ( $attachment_id, $size = 'thumbnail', $icon = false, $attr = '' ) Gets an HTML img element representing an image attachment. For example: In the above example, we are instructing WordPress to return us the image by cropping it to 100x50px. This is the plugin Regenerate Thumbnails that give me the clue. This road seems simple and easy. Once you have uploaded the logo, hit the publish button at the top to save the changes. Copyright 2012 2023 CSSIgniter. Contents Parameters Return Source Hooks Related Uses Used By Changelog User Contributed Notes Parameters $post int | WP_Post Optional Post ID or post object. The easiest way is to install the AJAX Thumbnail Rebuild plugin. Buy Now, Extend the block editor with flexible blocks, How to add custom image sizes to your theme. At wpSocket, we aim to bring the best WordPress Developers, Administrators, Bloggers, Outsourcers, Freelancers, Site Owners, Buyers, Sellers under the same hub and spoke. Retrieves an attachment page link using an image or icon, if possible. Who knows, your database could have been compromised by a Hacker. The problem occur with the new posts with Gutenberg editor. Ive already used the add_image_size before, but not in a function. The second and third parameters are the maximum width and height respectively. Required fields are marked *. 1 I do not see a way to get the URL to the full sized image of an attachment. Now lets take a look at thewp_get_attachment_image_src()WordPress function more closely. Nothing more than that. Since you reached this far, especially if you also read the article about the crop array parameters, you must be getting tired. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); 24/7 Support Included. Hey! 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. Frankly speaking, We dont use this parameter that often in our local development environment. Top Parameters $attachment_id int Required Attachment post ID. Top Return We've also provided some use cases you can test on your WordPress website. 1 Actually, something else seems to be happening here. Pro Tip: It is always a good idea to var_dump any WordPress function that returns something. By default, thehome_url()function returns the Homepage URL without the trailing slash at the end of the URL. Why should the img tags src attribute be empty? Im not sure Im seeing what you mentioned. What happened? I tried after that to upload an image and it still upload only the original image, no thumbnails are generated. The 300w, 768w and 1024w you see on the srcset should be the condition for viewports. thats weired. The first parameter is required, and is the attachment ID (i.e. They were supposed to be short and thin. It depends on your requirements and the image sizes in question. If so, thats likely the first place to look. Instead of a boolean, this parameter may also be an array to specify how to crop the images. I only suggest this 2x image strategy for the logo. No! I wll try these on my blog http://www.bloghocaniz.com I hope it will work. Before we output the markup for the logo, we must always check if the logo has been uploaded in the first place. And here is the full list of the default image sizes that WordPress generates. EDIT: Updating to add the full code: No worries though. 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. In my opinion, It is better we generate the above Logo Image link markup manually by taking the full control. If you use the core theme display, it should use the srcset values provided by WordPress. If its about changing the default size used by the featured image, you can use this filter: My multisite media URLs all look like http://example.com/files/10/2013/03/file.ext . Default: null Top Return Remember the Template Tags? Contents Parameters Return Source Hooks Related Uses Used By Changelog User Contributed Notes Parameters $attachment_id int Required Image attachment ID. Why Should we pull the above information from the database, we know all the values, Cant we just hard-code them?. One function to define a size, another one to use it. It makes thing easy to debug if something goes wrong. 2. Lets get em. WordPresss approach sacrifices disk space and does any work needed at the time an image is uploaded. Hi Elvin, Because a few extra kilobytes of a logo image does not really impact your frontend page load speed. The function is doing as you ask. Thank you. 1. $size string | int [] Optional Image size. It is a process of escaping or removing potentially malicious content from the data if it exists. It also limits the responsiveness of the image. So, What next? Using this parameter, we can attach any path relative to the Homepage URL. add_image_size( thumbnails-featured, 725, 345, false ); height int The height of the attachment. wp_attachment_is_image (519271) returns true You can use wp_get_attachment_image() which generates an img tag along with its responsive srcset and sizes attributes. Lets go ahead and implement the simple gallery. Only down. If I can do it, You can do it too! And, we can achieve this in a ton of different ways. Simple. 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. 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, $icon ); instead - the function you quoted is not a WP function. Your money back, no questions asked. Woah! . Down. So, you want to display images in some very specific dimensions. I had already uploaded some images to the post before starting writing this article, so I should be good to go. Data Sanitization is just a security precaution. Your email address will not be published. The more advanced way to handle images is to combine the \Elementor\Control_Media with \Elementor\Group_Control_Image_Size: So, we are performing the check with the help of aWordPress conditional tagcalled: The above WordPress function returns true only if the custom logo is uploaded. :) [updated] var_dump ($my_image) returns: array (1) { [0]=> string (86) "http://localhost/theme/wp-content/uploads/2014/10/my_image.jpg" } If you use instead the media library, it upload the image in the month folder of the original post published date. 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. The thing is, that now the scaled image 300154 is loaded on desktop but on mobile the full size image. False on failure. Anyway, Lets start with the IF/Else statements. Your email address will not be published. Thank me later. The answer is the aptly named My eyes are up here plugin. But Im not really sure how reliable wp_is_mobile() is. So, let's go to the Admin Dashboard -> Customize -> Site Identity Options Panel and check it out. wp_get_attachment_image() is a versatile WordPress function that enables you to easily display images attached to posts or pages. In case there was a size that was a bit close to our requirement but not quite, e.g. This parameter is by default set to false. Required fields are marked *. 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. I am following this tutorial after becoming bored of youtube videos. The only code I added yesterday in my functions.php file is this : add_action( after_setup_theme, child_theme_setup ); Well, newly introduced image sizes only affect newly uploaded images. This is how you use the image size defined earlier! // retrieves the attachment ID from url function pp_get_image_id ($image_url) { global $wpdb; 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. WordPress has nothing to do with the retina devices. 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. So, we have to tell it. But if Davids code is fine but you want to tweak it to apply on single post pages only, you can try this: Note: If you wish to define the srcset manually, you can use the generate_featured_image_output the entire featured image output. Hey! Gets the URL of an image attachment. But we are not doing that. Hi Tom, 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. The ID of the image we have uploaded for the logo is 18. 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. Lines 7 and 14 are what interests us more, but Ill give a quick overview of the rest of the code as well. wp_get_attachment_image() normally returns an image tag with its src attribute set to the image URL of the requested size. 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. Thanks for the post. If you dig up some old themes in the market, you can still see this. Thanks for your reply. We can use these values to set the width and height attributes on thetag. I say maximum because images in WordPress are always scaled down and never scaled up. Interested in functions, hooks, classes, or methods? Tell that first!. We will be using this function quite a lot when we build the blog portion of the website. So, before we output any data from the database to the browser, it is always a good idea to sanitize it. The simplest media rendering method is to print the image URL in a custom tag. wp_get_attachment_image_srcURL 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. In this case this function returns the URL to the originally uploaded image file. Attachment ID from Image URL paste the below code in functions.php to register a function. Share Improve this answer Follow Oh man, I found the problem !!! Default: false Top Return array|false Attachment metadata. If you have attachments with invalid characters in their name, you should raw URL encode the output of this function in order to have a valid URL. Hi David, And, we need the image ID of a particular image to get its URL. The latter is assigned to the src attribute. . Note that we dont echo the tags immediately, but store them in the variable $gallery and finally concatenating them with $content. WordPress divides its functions into categories so that we can easily find them and discuss them with our fellow developers . add_image_size( 'gallery-thumb', 240, 180, true ); I created a shortcode to display all images using a lightbox with lazy loading to generate the following HTML: 1. Intermediate image sizes are then ready to be served by WordPress or the web server, with no additional overhead. Function Reference/wp get attachment url WordPress Codex. I did, but I have the same problem when I connect direct to the server. But What the heck is escaping?. Default: false Top Ive just checked and every occurrence seems correct. It is not straightforward. How can I make them show something interesting?. The thing is, that now the scaled image 300154 is loaded on desktop but on mobile the full size image. 2) The$image_sizeParameter string or array. this works for the images in the post and a big part of the problem is solved . In case youre interested, the conversion from image to image/* happens inside wp_post_mime_type_where() which is called by the eventual WP_Query performed internally. In this tutorial, we've covered the wp_get_attachment_image() function and its parameters. Thanks for putting this together! We do that with a simple function call to add_image_size(), preferably on the after_setup_theme action. wpSocket is 'Connecting WordPress People' round the globe. Did you regenerate your thumbnails after you added the function? Not satisfied? Youre probably looking at the screenshot above, those two short and thin images showing nothing interesting, and thinking Well, this is ugly. So, dont worry about it . Now, instead of one of the images sizes mentioned above, we can also specify custom image dimensions in the form of an array.
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