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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.
Line | Code |
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504 |
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505 | } } |
506 |
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507 | do_action('import_post_added', $post_id); |
508 | print "</li>\n"; |
509 | } |
510 |
|
511 | function process_post_meta($post_id, $key, $value) { |
512 | // the filter can return false to skip a particular metadata key |
513 | $_key = apply_filters('import_post_meta_key', $key); |
514 | if ( $_key ) { |
515 | add_post_meta( $post_id, $_key, $value ); |
516 | do_action('import_post_meta', $post_id, $_key, $value); |
517 | } |
518 | } |
519 |
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520 | function process_attachment($postdata, $remote_url) { |
521 | if ($this->fetch_attachments and $remote_url) { |
522 | printf( __('Importing attachment <em>%s</em>... '), htmlspecialchars($remote_url) ); |