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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 |
|---|---|
| 1196 | /** |
| 1197 | * Filter a sanitized title string. |
| 1198 | * |
| 1199 | * @since 1.2.0 |
| 1200 | * |
| 1201 | * @param string $title Sanitized title. |
| 1202 | * @param string $raw_title The title prior to sanitization. |
| 1203 | * @param string $context The context for which the title is being sanitized. |
| 1204 | */ |
| 1205 | $title = apply_filters( 'sanitize_title', $title, $raw_title, $context ); |
| 1206 | |
| 1207 | if ( '' === $title || false === $title ) |
| 1208 | $title = $fallback_title; |
| 1209 | |
| 1210 | return $title; |
| 1211 | } |
| 1212 | |
| 1213 | /** |
| 1214 | * Sanitizes a title with the 'query' context. |