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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 |
---|---|
1915 | /** |
1916 | * Filters a sanitized title string. |
1917 | * |
1918 | * @since 1.2.0 |
1919 | * |
1920 | * @param string $title Sanitized title. |
1921 | * @param string $raw_title The title prior to sanitization. |
1922 | * @param string $context The context for which the title is being sanitized. |
1923 | */ |
1924 | $title = apply_filters( 'sanitize_title', $title, $raw_title, $context ); |
1925 |
|
1926 | if ( '' === $title || false === $title ) |
1927 | $title = $fallback_title; |
1928 |
|
1929 | return $title; |
1930 | } |
1931 |
|
1932 | /** |
1933 | * Sanitizes a title with the 'query' context. |