uploads - Read For Learn

Convert uploaded PNG to JPEG automatically

There is a way, I recommend you combine the imagefx plugin with a custom function , http://wordpress.org/extend/plugins/imagefx/ You can read about it here: http://ottopress.com/tag/gd/ , and use a function like one found here: https://stackoverflow.com/questions/1201798/use-php-to-convert-png-to-jpg-with-compression It would look something like (not tested): imagefx_register_filter(‘custom-name’,’my_custom_filter’); function my_custom_filter(&$image, $outputFile, $quality) { $image = imagecreatefrompng(&$image); imagejpeg($image, $outputFile, $quality); imagedestroy($image); } … Read more

Rename image uploads replacing “width” and “height” in filename with “medium”, “large”, “small”

To be honest I’m a bit puzzled that all what you have tried so far is copying & pasting an answer that doesn’t solve your problem. On the other hand, you described your problem clearly. Below I outline a solution for you, take a look at the additional comments and information sources, if you really … Read more

Using “media_handle_sideload” to upload images programmatically does not upload image to Media Library

Your failing and getting a WP_Error object returned before the function runs wp_insert_attachment(). You should always include a check for is_wp_error( $thing ) when calling a function that returns WP_Errors. $result = media_handle_sideload($array, $id); if ( ! is_wp_error( $result ) ) { return $result; } else { var_dump( $result->get_error_messages ); } Your problem will be … Read more

Replace all of post’s image URLs with upload directory URLs

I have a plugin that does this manually in batch processes via ajax and I’ve been getting a lot of request for a way to make it automated. This is the function that loads the post, downloads the images into the uploads directory and attaches them to the post. Then it does a search and … Read more

How do I enable the customize theme page to accept svg’s?

You’ll also need to add “svg” to the list of valid extensions in WP_Customize_Image_Control: $wp_customize->add_control( new WP_Customize_Image_Control( $wp_customize, ‘themeslug_logo’, array( ‘label’ => __( ‘Logo’, ‘themeslug’ ), ‘section’ => ‘themeslug_logo_section’, ‘settings’ => ‘themeslug_logo’, ‘extensions’ => array( ‘jpg’, ‘jpeg’, ‘gif’, ‘png’, ‘svg’ ), ) ) );

Hook filter to change wp_upload_dir() path in multisite

Use the upload_dir filter. add_filter( ‘upload_dir’, ‘wpse_261931_upload_dir’, 10, 1 ); function wpse_261931_upload_dir( array $uploads ) { if( is_multisite() ) { //* Do something interesting with the $uploads directory } return $uploads; }

Can I add custom meta for each image uploaded via media-upload.php?

Yes, you can add fields, an example function rt_image_attachment_fields_to_save($post, $attachment) { // $attachment part of the form $_POST ($_POST[attachments][postID]) // $post[‘post_type’] == ‘attachment’ if( isset($attachment[‘rt-image-link’]) ){ // update_post_meta(postID, meta_key, meta_value); update_post_meta($post[‘ID’], ‘_rt-image-link’, $attachment[‘rt-image-link’]); } return $post; } // now attach our function to the hook. add_filter(“attachment_fields_to_save”, “rt_image_attachment_fields_to_save”, null , 2); see more on this post

How to add media from front-end to an existing post?

@AboSami actually answered this question in an older post that was not showing up in my search diligence. While he was actually looking for something else his example code worked great. Here’s the script: <?php $post_id = $post->ID; if ( isset( $_POST[‘html-upload’] ) && !empty( $_FILES ) ) { require_once(ABSPATH . ‘wp-admin/includes/admin.php’); $id = media_handle_upload(‘async-upload’, … Read more

Saving Custom Field in Attachment Window in WordPress 3.5

I wanted to be able to add author information to my attachments and merged this code: http://www.billerickson.net/wordpress-add-custom-fields-media-gallery/ with the one you refer to. I Got it to work fully in the modal window via AJAX. The modified code is as follows: /** * Add Author Name and URL fields to media uploader * * @param … Read more

Add item to media library from blob or dataUrl

Finally I found a solution on my own. There is no direct way to pass pure binary data (like a blob) to the WP upload object. Only File based objects will be processed. I had to create a separate XmlHttpRequest. (Simply using $.ajax() did not work and resulted in polluted Image data.) After successfully uploading … Read more

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