Month: January 2016

Featured image URL from Post ID in WordPress

Get featured image url from post id in WordPress, for when you’re to lazy to google it. This includes a custom image size as well.

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$image = wp_get_attachment_image_src(get_post_thumbnail_id($post->ID ), 'large');
if($image){
    echo '<img src="' . $image[0] . '">';
}

 

Execute code on create, edit or delete taxonomy terms in WordPress

PHP
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add_action('create_product_cat', 'do_something_on_term_change');
add_action('edit_product_cat', 'do_something_on_term_change');
add_action('delete_product_cat', 'do_something_on_term_change');
 
function do_something_on_term_change() {
  //do something here
}

 

Upload image from URL and set as featured image in WordPress

PHP
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$image_url  = 'http://henriksson.me/wp-content/themes/henriksson/images/markus-henriksson.jpg';
$upload_dir = wp_upload_dir();
$image_data = file_get_contents($image_url);
$filename   = basename($image_url);
 
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(
    'post_mime_type' => $wp_filetype['type'],
    'post_title'     => sanitize_file_name( $filename ),
    'post_content'   => '',
    'post_status'    => 'inherit'
);
 
$attach_id = wp_insert_attachment( $attachment, $file, $post_id );
 
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 );
 
// Set the uploaded image as featured image
set_post_thumbnail( $post_id, $attach_id );