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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 |
|---|---|
| 1620 | if ( file_exists( "$style_dir/$file" ) ) |
| 1621 | $mce_css[] = "$style_uri/$file"; |
| 1622 | } |
| 1623 | } |
| 1624 | $mce_css = implode( ',', $mce_css ); |
| 1625 | } else { |
| 1626 | $mce_css = ''; |
| 1627 | } |
| 1628 | |
| 1629 | $mce_css = trim( apply_filters( 'mce_css', $mce_css ), ' ,' ); |
| 1630 | |
| 1631 | if ( ! empty($mce_css) ) |
| 1632 | $initArray['content_css'] = $mce_css; |
| 1633 | |
| 1634 | if ( is_array($settings) ) |
| 1635 | $initArray = array_merge($initArray, $settings); |
| 1636 | |
| 1637 | // For people who really REALLY know what they're doing with TinyMCE |
| 1638 | // You can modify initArray to add, remove, change elements of the config before tinyMCE.init |