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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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327 |
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328 | // Update the attachment |
329 | wp_insert_attachment($object, $cropped); |
330 | wp_update_attachment_metadata( $_POST['attachment_id'], wp_generate_attachment_metadata( $_POST['attachment_id'], $cropped ) ); |
331 |
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332 | set_theme_mod('header_image', $url); |
333 |
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334 | // cleanup |
335 | $medium = str_replace(basename($original), 'midsize-'.basename($original), $original); |
336 | @unlink( apply_filters( 'wp_delete_file', $medium ) ); |
337 | @unlink( apply_filters( 'wp_delete_file', $original ) ); |
338 |
|
339 | return $this->finished(); |
340 | } |
341 |
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342 | function finished() { |
343 | ?> |
344 | <div class="wrap"> |
345 | <h2><?php _e('Header complete!'); ?></h2> |
346 |
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