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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 |
---|---|
389 | if ( $file && file_exists( "$style_dir/$file" ) ) |
390 | $mce_css[] = "$style_uri/$file"; |
391 | } |
392 |
|
393 | $mce_css = implode( ',', $mce_css ); |
394 | } else { |
395 | $mce_css = ''; |
396 | } |
397 |
|
398 | $mce_css = trim( apply_filters( 'mce_css', $mce_css ), ' ,' ); |
399 |
|
400 | if ( ! empty($mce_css) ) |
401 | self::$first_init['content_css'] = $mce_css; |
402 | } |
403 |
|
404 | if ( $set['teeny'] ) { |
405 | $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 ); |
406 | $mce_buttons_2 = $mce_buttons_3 = $mce_buttons_4 = array(); |
407 | } else { |