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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 |
|---|---|
| 3304 | /** |
| 3305 | * Retrieve an empty array because we don't support per-post text filters. |
| 3306 | * |
| 3307 | * @since 1.5.0 |
| 3308 | * |
| 3309 | * @param array $args Method parameters. |
| 3310 | */ |
| 3311 | function mt_supportedTextFilters($args) { |
| 3312 | do_action('xmlrpc_call', 'mt.supportedTextFilters'); |
| 3313 | return apply_filters('xmlrpc_text_filters', array()); |
| 3314 | } |
| 3315 | |
| 3316 | /** |
| 3317 | * Retrieve trackbacks sent to a given post. |
| 3318 | * |
| 3319 | * @since 1.5.0 |
| 3320 | * |
| 3321 | * @param array $args Method parameters. |
| 3322 | * @return mixed |