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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 |
|---|---|
| 3155 | do { |
| 3156 | $alt_post_name = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix"; |
| 3157 | $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_type, $post_ID ) ); |
| 3158 | $suffix++; |
| 3159 | } while ( $post_name_check ); |
| 3160 | $slug = $alt_post_name; |
| 3161 | } |
| 3162 | } |
| 3163 | |
| 3164 | return apply_filters( 'wp_unique_post_slug', $slug, $post_ID, $post_status, $post_type, $post_parent, $original_slug ); |
| 3165 | } |
| 3166 | |
| 3167 | /** |
| 3168 | * Truncates a post slug. |
| 3169 | * |
| 3170 | * @since 3.6.0 |
| 3171 | * @access private |
| 3172 | * @uses utf8_uri_encode() Makes sure UTF-8 characters are properly cut and encoded. |
| 3173 | * |