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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 |
|---|---|
| 1938 | * |
| 1939 | * @since 1.5.1 |
| 1940 | * |
| 1941 | * @param string $text The text within which entities will be converted. |
| 1942 | * @return string Text with converted entities. |
| 1943 | */ |
| 1944 | function ent2ncr($text) { |
| 1945 | |
| 1946 | // Allow a plugin to short-circuit and override the mappings. |
| 1947 | $filtered = apply_filters( 'pre_ent2ncr', null, $text ); |
| 1948 | if( null !== $filtered ) |
| 1949 | return $filtered; |
| 1950 | |
| 1951 | $to_ncr = array( |
| 1952 | '"' => '"', |
| 1953 | '&' => '&', |
| 1954 | '⁄' => '/', |
| 1955 | '<' => '<', |
| 1956 | '>' => '>', |