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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 |
|---|---|
| 1287 | * it is simply a holder for the 'format_to_edit' filter. |
| 1288 | * |
| 1289 | * @since 0.71 |
| 1290 | * |
| 1291 | * @param string $content The text about to be edited. |
| 1292 | * @param bool $richedit Whether the $content should not pass through htmlspecialchars(). Default false (meaning it will be passed). |
| 1293 | * @return string The text after the filter (and possibly htmlspecialchars()) has been run. |
| 1294 | */ |
| 1295 | function format_to_edit( $content, $richedit = false ) { |
| 1296 | $content = apply_filters( 'format_to_edit', $content ); |
| 1297 | if ( ! $richedit ) |
| 1298 | $content = esc_textarea( $content ); |
| 1299 | return $content; |
| 1300 | } |
| 1301 | |
| 1302 | /** |
| 1303 | * Holder for the 'format_to_post' filter. |
| 1304 | * |
| 1305 | * @since 0.71 |