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WP: Insert attachment from URL
<?php
/**
* Insert an attachment from an URL address.
*
* @param String $url
* @param Int $parent_post_id
* @return Int Attachment ID
*/
function crb_insert_attachment_from_url($url, $parent_post_id = null) {
if( !class_exists( 'WP_Http' ) )
include_once( ABSPATH . WPINC . '/class-http.php' );
$http = new WP_Http();
$response = $http->request( $url );
if( $response['response']['code'] != 200 ) {
return false;
}
$upload = wp_upload_bits( basename($url), null, $response['body'] );
if( !empty( $upload['error'] ) ) {
return false;
}
$file_path = $upload['file'];
$file_name = basename( $file_path );
$file_type = wp_check_filetype( $file_name, null );
$attachment_title = sanitize_file_name( pathinfo( $file_name, PATHINFO_FILENAME ) );
$wp_upload_dir = wp_upload_dir();
$post_info = array(
'guid' => $wp_upload_dir['url'] . '/' . $file_name,
'post_mime_type' => $file_type['type'],
'post_title' => $attachment_title,
'post_content' => '',
'post_status' => 'inherit',
);
// Create the attachment
$attach_id = wp_insert_attachment( $post_info, $file_path, $parent_post_id );
// Include image.php
require_once( ABSPATH . 'wp-admin/includes/image.php' );
// Define attachment metadata
$attach_data = wp_generate_attachment_metadata( $attach_id, $file_path );
// Assign metadata to attachment
wp_update_attachment_metadata( $attach_id, $attach_data );
return $attach_id;
}
@inquota

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@inquota inquota commented Dec 9, 2016

Needed this, nice one!! Thanks ;-).

@SuperSpe

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@SuperSpe SuperSpe commented May 9, 2017

very useful and works like a charm!
thanks

@komalghai

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@komalghai komalghai commented May 11, 2017

Thanks! working well

@henrisusanto

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@henrisusanto henrisusanto commented Jun 13, 2017

supercool!

@OksanaRomaniv

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@OksanaRomaniv OksanaRomaniv commented Apr 9, 2018

Great! Helped me a lot. Thank you!

@raquelmsmith

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@raquelmsmith raquelmsmith commented May 20, 2018

Worked like a charm! Thanks for the great snippet.

@sagar123123

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@sagar123123 sagar123123 commented Jun 5, 2018

can i use path which is outside from my sever.

@lowrains

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@lowrains lowrains commented Jul 10, 2018

that really did the job right :) thanks

@combatwombat

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@combatwombat combatwombat commented Nov 2, 2018

Works perfectly, thanks :)

@coder054

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@coder054 coder054 commented Mar 9, 2019

It worked with url with format: name.jpg, name.png ...
Not worked with url format look like:
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTDzrO9gxiS8hLYHKAH2AOfTAVGGQgtSkWUafoCApCIZ1vy1zo4
Also It's only add to media library, not attach to the post

@juanRabaa

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@juanRabaa juanRabaa commented Apr 29, 2019

The $http->request( $url ) can return a WP_Error, so the if on line 20 will throw a Fatal Error when trying to use the WP_Error as an array.
Adding a is_wp_error check before could be a solution
if( is_wp_error( $response ) || $response['response']['code'] != 200 )

@otabekgh

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@otabekgh otabekgh commented Jul 8, 2019

It worked with url with format: name.jpg, name.png ...
Not worked with url format look like:
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTDzrO9gxiS8hLYHKAH2AOfTAVGGQgtSkWUafoCApCIZ1vy1zo4
Also It's only add to media library, not attach to the post

public function download_attachment($post_id, $attachment_url)
{
if (filter_var($attachment_url, FILTER_VALIDATE_URL) !== FALSE) {

        $upload_dir = wp_upload_dir();
        $image_data = file_get_contents($attachment_url);
        $filename = $post_id . '_' . rand(10000, 99999) . '.jpg';
        if (wp_mkdir_p($upload_dir['path'])) {
            $file = $upload_dir['path'] . '/' . $filename;
        } else {
            $file = $upload_dir['basedir'] . '/' . $filename;
        }
        file_put_contents($file, $image_data);
        $wp_filetype = wp_check_filetype($filename, null);
        $attachment = array(
            'guid' => $upload_dir['url'] . '/' . $filename,
            'post_mime_type' => $wp_filetype['type'],
            'post_title' => sanitize_file_name($filename),
            'post_content' => '',
            'post_type' => 'listing_type',
            'post_status' => 'inherit',
        );
        $attach_id = wp_insert_attachment($attachment, $file);
        require_once(ABSPATH . 'wp-admin/includes/image.php');
        $attach_data = wp_generate_attachment_metadata($attach_id, $file);
        wp_update_attachment_metadata($attach_id, $attach_data);
        return $attach_id;
    }
}
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@loxK loxK commented Oct 29, 2019

I would simply use for images media_sideload_image( $file, $post_id, $desc = null, $return = 'html' )

Or this for other attachments:

function add_attachment_from_url( $file ) {
        $file_array         = array();
        $file_array['name'] = wp_basename( $file );

        // Download file to temp location.
        $file_array['tmp_name'] = download_url( $file );

        // If error storing temporarily, return the error.
        if ( is_wp_error( $file_array['tmp_name'] ) ) {
            return $file_array['tmp_name'];
        }

        // Do the validation and storage stuff.
        $id = media_handle_sideload( $file_array, 0, null );

        return $id;
    }
@kylehi2222

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@kylehi2222 kylehi2222 commented May 3, 2020

I'd be so very grateful if you could give me the snippet for uploading videos to the media attachment. I'm using a external uploader and saving the data to a form field, which saves the URL to the custom field and then executes the above function but it doesn't seem to work.

`add_action('cred_save_data', 'my_save_data_action',10,2);
function my_save_data_action($post_id, $form_data)
{
// if a specific form
if ($form_data['id']==3799810)
{
if (isset($_POST['wpcf-original-video']))
{
$file = $_POST['wpcf-original-video'];
function add_attachment_from_url( $file ) {
$file_array = array();
$file_array['name'] = wp_basename( $file );

    	// Download file to temp location.
    	$file_array['tmp_name'] = download_url( $file );

    	// If error storing temporarily, return the error.
    	if ( is_wp_error( $file_array['tmp_name'] ) ) {
        return $file_array['tmp_name'];
    	}

    	// Do the validation and storage stuff.
    	$id = media_handle_sideload( $file_array, 0, null );

		add_post_meta($post_id, 'wpcf-attached-video-id', $id, true);

    	}
}

}
}`

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