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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 |
---|---|
313 | } |
314 | ?> |
315 | </td> |
316 | <?php |
317 | break; |
318 |
|
319 | case 'plugins': ?> |
320 | <?php if ( has_filter( 'wpmublogsaction' ) ) { |
321 | echo "<td valign='top' class='$column_name column-$column_name'$style>"; |
322 | do_action( 'wpmublogsaction', $blog['blog_id'] ); ?> |
323 | </td> |
324 | <?php } |
325 | break; |
326 |
|
327 | default: |
328 | echo "<td class='$column_name column-$column_name'$style>"; |
329 | do_action( 'manage_sites_custom_column', $column_name, $blog['blog_id'] ); |
330 | echo "</td>"; |
331 | break; |