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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 |
|---|---|
| 3075 | do { |
| 3076 | $alt_post_name = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix"; |
| 3077 | $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_type, $post_ID ) ); |
| 3078 | $suffix++; |
| 3079 | } while ( $post_name_check ); |
| 3080 | $slug = $alt_post_name; |
| 3081 | } |
| 3082 | } |
| 3083 | |
| 3084 | return apply_filters( 'wp_unique_post_slug', $slug, $post_ID, $post_status, $post_type, $post_parent, $original_slug ); |
| 3085 | } |
| 3086 | |
| 3087 | /** |
| 3088 | * Truncates a post slug. |
| 3089 | * |
| 3090 | * @since 3.6.0 |
| 3091 | * @access private |
| 3092 | * @uses utf8_uri_encode() Makes sure UTF-8 characters are properly cut and encoded. |
| 3093 | * |