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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 |
|---|---|
| 52 | 4 => __('Page updated.'), |
| 53 | 5 => isset($_GET['revision']) ? sprintf( __('Page restored to revision from %s'), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false, |
| 54 | 6 => sprintf( __('Page published. <a href="%s">View page</a>'), esc_url( get_permalink($post_ID) ) ), |
| 55 | 7 => __('Page saved.'), |
| 56 | 8 => sprintf( __('Page submitted. <a target="_blank" href="%s">Preview page</a>'), esc_url( add_query_arg( 'preview', 'true', get_permalink($post_ID) ) ) ), |
| 57 | 9 => sprintf( __('Page scheduled for: <strong>%1$s</strong>. <a target="_blank" href="%2$s">Preview page</a>'), date_i18n( __( 'M j, Y @ G:i' ), strtotime( $post->post_date ) ), esc_url( get_permalink($post_ID) ) ), |
| 58 | 10 => sprintf( __('Page draft updated. <a target="_blank" href="%s">Preview page</a>'), esc_url( add_query_arg( 'preview', 'true', get_permalink($post_ID) ) ) ), |
| 59 | ); |
| 60 | |
| 61 | $messages = apply_filters( 'post_updated_messages', $messages ); |
| 62 | |
| 63 | $message = false; |
| 64 | if ( isset($_GET['message']) ) { |
| 65 | $_GET['message'] = absint( $_GET['message'] ); |
| 66 | if ( isset($messages[$post_type][$_GET['message']]) ) |
| 67 | $message = $messages[$post_type][$_GET['message']]; |
| 68 | elseif ( !isset($messages[$post_type]) && isset($messages['post'][$_GET['message']]) ) |
| 69 | $message = $messages['post'][$_GET['message']]; |
| 70 | } |