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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 |
|---|---|
| 2248 | * |
| 2249 | * @since 1.5.1 |
| 2250 | * |
| 2251 | * @param string $text The text within which entities will be converted. |
| 2252 | * @return string Text with converted entities. |
| 2253 | */ |
| 2254 | function ent2ncr($text) { |
| 2255 | |
| 2256 | // Allow a plugin to short-circuit and override the mappings. |
| 2257 | $filtered = apply_filters( 'pre_ent2ncr', null, $text ); |
| 2258 | if( null !== $filtered ) |
| 2259 | return $filtered; |
| 2260 | |
| 2261 | $to_ncr = array( |
| 2262 | '"' => '"', |
| 2263 | '&' => '&', |
| 2264 | '<' => '<', |
| 2265 | '>' => '>', |
| 2266 | '|' => '|', |