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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 |
|---|---|
| 261 | $double_chars['out'] = array('OE', 'oe', 'AE', 'DH', 'TH', 'ss', 'ae', 'dh', 'th'); |
| 262 | $string = str_replace($double_chars['in'], $double_chars['out'], $string); |
| 263 | } |
| 264 | |
| 265 | return $string; |
| 266 | } |
| 267 | |
| 268 | function sanitize_title($title, $fallback_title = '') { |
| 269 | $title = strip_tags($title); |
| 270 | $title = apply_filters('sanitize_title', $title); |
| 271 | |
| 272 | if (empty($title)) { |
| 273 | $title = $fallback_title; |
| 274 | } |
| 275 | |
| 276 | return $title; |
| 277 | } |
| 278 | |
| 279 | function sanitize_title_with_dashes($title) { |