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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 |
|---|---|
| 821 | * @param string $context Optional. The operation for which the string is sanitized |
| 822 | * @return string The sanitized string. |
| 823 | */ |
| 824 | function sanitize_title($title, $fallback_title = '', $context = 'save') { |
| 825 | $raw_title = $title; |
| 826 | |
| 827 | if ( 'save' == $context ) |
| 828 | $title = remove_accents($title); |
| 829 | |
| 830 | $title = apply_filters('sanitize_title', $title, $raw_title, $context); |
| 831 | |
| 832 | if ( '' === $title || false === $title ) |
| 833 | $title = $fallback_title; |
| 834 | |
| 835 | return $title; |
| 836 | } |
| 837 | |
| 838 | function sanitize_title_for_query($title) { |
| 839 | return sanitize_title($title, '', 'query'); |