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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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303 |
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304 | // Update the attachment |
305 | wp_insert_attachment($object, $cropped); |
306 | wp_update_attachment_metadata( $_POST['attachment_id'], wp_generate_attachment_metadata( $_POST['attachment_id'], $cropped ) ); |
307 |
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308 | set_theme_mod('header_image', $url); |
309 |
|
310 | // cleanup |
311 | $medium = str_replace(basename($original), 'midsize-'.basename($original), $original); |
312 | @unlink( apply_filters( 'wp_delete_file', $medium ) ); |
313 | @unlink( apply_filters( 'wp_delete_file', $original ) ); |
314 |
|
315 | return $this->finished(); |
316 | } |
317 |
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318 | function finished() { |
319 | ?> |
320 | <div class="wrap"> |
321 | <h2><?php _e('Header complete!'); ?></h2> |
322 |
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