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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 2 times in this file.
Line | Code |
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678 |
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679 | // Update the attachment |
680 | wp_insert_attachment($object, $cropped); |
681 | wp_update_attachment_metadata( $_POST['attachment_id'], wp_generate_attachment_metadata( $_POST['attachment_id'], $cropped ) ); |
682 |
|
683 | set_theme_mod('header_image', $url); |
684 |
|
685 | // cleanup |
686 | $medium = str_replace(basename($original), 'midsize-'.basename($original), $original); |
687 | @unlink( apply_filters( 'wp_delete_file', $medium ) ); |
688 | @unlink( apply_filters( 'wp_delete_file', $original ) ); |
689 |
|
690 | return $this->finished(); |
691 | } |
692 |
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693 | /** |
694 | * Display last step of custom header image page. |
695 | * |
696 | * @since 2.1.0 |
697 | */ |