How to single click to download image in single post

4 Views

i have attacment.php like this. 

<?php  

if ( $attachments = get_children( array(  
'post_type' => 'attachment',  
'post_mime_type'=>'image',  
'numberposts' => 1,  
'post_status' => null,  
'post_parent' => $post->ID  
)));
foreach ($attachments as $attachment) {  
echo wp_get_attachment_link( $attachment->ID, '' , false, true, 'Download This Wallpaper');  
}  
?>

this code will print attachment link.

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My question is: How to make this link to be single click to download image and save to computer user?

Post Views: 4

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3 comments

  2. Although it is not WP-specific, here’s how to force the user to download an image:

    if ( $attachments = get_posts( array(
    'post_type' => 'attachment',
    'post_mime_type'=>'image',
    'numberposts' => -1,
    'post_status' => 'any',
    'post_parent' => $post->ID,
) ) );
foreach ( $attachments as $attachment ) {
    echo '<a href="javascript:void(0);"
        onclick="document.execCommand('SaveAs', true, '' . get_permalink( $attachment->ID ) . '');">
        Download This Wallpaper</a>';
}

    Note: the code is untested.

  3. Save the following as image.php on your theme:

    <?php

// This forces all image attachments to be downloaded instead of displayed on the browser.
// For it to work, this file needs to be called "image.php".
// For more info, refer to the wp hierarchy diagram.

// Get the path on disk. See https://wordpress.stackexchange.com/a/20087/22510
global $wp_query;
$file = get_attached_file($wp_query->post->ID);

// Force the browser to download. Source: https://wpquestions.com/7521
header('Content-Description: File Transfer');
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename='.basename($file));
header('Content-Transfer-Encoding: binary');
header('Expires: 0');
header('Cache-Control: public'); //for i.e.
header('Pragma: public');

// ob_clean(); // Looks like we don't need this
flush();
readfile($file);
exit;