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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 |
|---|---|
| 398 | |
| 399 | if ( ! empty($mce_css) ) |
| 400 | self::$first_init['content_css'] = $mce_css; |
| 401 | } |
| 402 | |
| 403 | if ( $set['teeny'] ) { |
| 404 | $mce_buttons = apply_filters( 'teeny_mce_buttons', array('bold', 'italic', 'underline', 'blockquote', 'strikethrough', 'bullist', 'numlist', 'justifyleft', 'justifycenter', 'justifyright', 'undo', 'redo', 'link', 'unlink', 'fullscreen'), $editor_id ); |
| 405 | $mce_buttons_2 = $mce_buttons_3 = $mce_buttons_4 = array(); |
| 406 | } else { |
| 407 | $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); |
| 408 | $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); |
| 409 | $mce_buttons_3 = apply_filters('mce_buttons_3', array(), $editor_id); |
| 410 | $mce_buttons_4 = apply_filters('mce_buttons_4', array(), $editor_id); |
| 411 | } |
| 412 | |
| 413 | $body_class = $editor_id; |
| 414 | |
| 415 | if ( $post = get_post() ) { |
| 416 | $body_class .= ' post-type-' . sanitize_html_class( $post->post_type ) . ' post-status-' . sanitize_html_class( $post->post_status ); |