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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 90 | |
| 91 | /** |
| 92 | * Fires authenticated Ajax actions for logged-in users. |
| 93 | * |
| 94 | * The dynamic portion of the hook name, `$_REQUEST['action']`, |
| 95 | * refers to the name of the Ajax action callback being fired. |
| 96 | * |
| 97 | * @since 2.1.0 |
| 98 | */ |
| 99 | do_action( 'wp_ajax_' . $_REQUEST['action'] ); |
| 100 | } else { |
| 101 | // If no action is registered, return a Bad Request response. |
| 102 | if ( ! has_action( 'wp_ajax_nopriv_' . $_REQUEST['action'] ) ) { |
| 103 | wp_die( '0', 400 ); |
| 104 | } |
| 105 | |
| 106 | /** |
| 107 | * Fires non-authenticated Ajax actions for logged-out users. |
| 108 | * |