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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 |
---|---|
3216 | /** |
3217 | * Retrieve an empty array because we don't support per-post text filters. |
3218 | * |
3219 | * @since 1.5.0 |
3220 | * |
3221 | * @param array $args Method parameters. |
3222 | */ |
3223 | function mt_supportedTextFilters($args) { |
3224 | do_action('xmlrpc_call', 'mt.supportedTextFilters'); |
3225 | return apply_filters('xmlrpc_text_filters', array()); |
3226 | } |
3227 |
|
3228 | /** |
3229 | * Retrieve trackbacks sent to a given post. |
3230 | * |
3231 | * @since 1.5.0 |
3232 | * |
3233 | * @param array $args Method parameters. |
3234 | * @return mixed |