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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 |
|---|---|
| 2843 | |
| 2844 | case 'permalink_structure': |
| 2845 | case 'category_base': |
| 2846 | case 'tag_base': |
| 2847 | $value = esc_url_raw( $value ); |
| 2848 | $value = str_replace( 'http://', '', $value ); |
| 2849 | break; |
| 2850 | } |
| 2851 | |
| 2852 | $value = apply_filters("sanitize_option_{$option}", $value, $option); |
| 2853 | |
| 2854 | return $value; |
| 2855 | } |
| 2856 | |
| 2857 | /** |
| 2858 | * Parses a string into variables to be stored in an array. |
| 2859 | * |
| 2860 | * Uses {@link http://www.php.net/parse_str parse_str()} and stripslashes if |
| 2861 | * {@link http://www.php.net/magic_quotes magic_quotes_gpc} is on. |