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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 |
|---|---|
| 349 | if ( ! empty($mce_css) ) |
| 350 | self::$first_init['content_css'] = $mce_css; |
| 351 | } |
| 352 | |
| 353 | if ( $set['teeny'] ) { |
| 354 | $mce_buttons = apply_filters( 'teeny_mce_buttons', array('bold', 'italic', 'underline', 'blockquote', 'separator', 'strikethrough', 'bullist', 'numlist', 'justifyleft', 'justifycenter', 'justifyright', 'undo', 'redo', 'link', 'unlink', 'fullscreen'), $editor_id ); |
| 355 | $mce_buttons_2 = $mce_buttons_3 = $mce_buttons_4 = array(); |
| 356 | } else { |
| 357 | $mce_buttons = apply_filters('mce_buttons', array('bold', 'italic', 'strikethrough', '|', 'bullist', 'numlist', 'blockquote', '|', 'justifyleft', 'justifycenter', 'justifyright', '|', 'link', 'unlink', 'wp_more', '|', 'spellchecker', 'fullscreen', 'wp_adv' ), $editor_id); |
| 358 | $mce_buttons_2 = apply_filters('mce_buttons_2', array( 'formatselect', 'underline', 'justifyfull', 'forecolor', '|', 'pastetext', 'pasteword', 'removeformat', '|', 'charmap', '|', 'outdent', 'indent', '|', 'undo', 'redo', 'wp_help' ), $editor_id); |
| 359 | $mce_buttons_3 = apply_filters('mce_buttons_3', array(), $editor_id); |
| 360 | $mce_buttons_4 = apply_filters('mce_buttons_4', array(), $editor_id); |
| 361 | } |
| 362 | |
| 363 | if ( $set['dfw'] ) { |
| 364 | // replace the first 'fullscreen' with 'wp_fullscreen' |
| 365 | if ( ($key = array_search('fullscreen', $mce_buttons)) !== false ) |
| 366 | $mce_buttons[$key] = 'wp_fullscreen'; |
| 367 | elseif ( ($key = array_search('fullscreen', $mce_buttons_2)) !== false ) |