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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 |
|---|---|
| 1579 | if ( file_exists( "$style_dir/$file" ) ) |
| 1580 | $mce_css[] = "$style_uri/$file"; |
| 1581 | } |
| 1582 | } |
| 1583 | $mce_css = implode( ',', $mce_css ); |
| 1584 | } else { |
| 1585 | $mce_css = ''; |
| 1586 | } |
| 1587 | |
| 1588 | $mce_css = trim( apply_filters( 'mce_css', $mce_css ), ' ,' ); |
| 1589 | |
| 1590 | if ( ! empty($mce_css) ) |
| 1591 | $initArray['content_css'] = $mce_css; |
| 1592 | |
| 1593 | if ( is_array($settings) ) |
| 1594 | $initArray = array_merge($initArray, $settings); |
| 1595 | |
| 1596 | // For people who really REALLY know what they're doing with TinyMCE |
| 1597 | // You can modify initArray to add, remove, change elements of the config before tinyMCE.init |