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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 |
|---|---|
| 1893 | * |
| 1894 | * @since 2.3.0 |
| 1895 | * @uses esc_attr() |
| 1896 | * |
| 1897 | * @param bool $escaped Whether the result is escaped. Default true. |
| 1898 | * Only use when you are later escaping it. Do not use unescaped. |
| 1899 | * @return string |
| 1900 | */ |
| 1901 | function get_search_query( $escaped = true ) { |
| 1902 | $query = apply_filters( 'get_search_query', get_query_var( 's' ) ); |
| 1903 | if ( $escaped ) |
| 1904 | $query = esc_attr( $query ); |
| 1905 | return $query; |
| 1906 | } |
| 1907 | |
| 1908 | /** |
| 1909 | * Display the contents of the search query variable. |
| 1910 | * |
| 1911 | * The search query string is passed through {@link esc_attr()} |