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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 |
|---|---|
| 1503 | $mce_buttons_2 = apply_filters('mce_buttons_2', $mce_buttons_2); |
| 1504 | $mce_buttons_2 = implode($mce_buttons_2, ','); |
| 1505 | |
| 1506 | $mce_buttons_3 = apply_filters('mce_buttons_3', array()); |
| 1507 | $mce_buttons_3 = implode($mce_buttons_3, ','); |
| 1508 | |
| 1509 | $mce_buttons_4 = apply_filters('mce_buttons_4', array()); |
| 1510 | $mce_buttons_4 = implode($mce_buttons_4, ','); |
| 1511 | } |
| 1512 | $no_captions = (bool) apply_filters( 'disable_captions', '' ); |
| 1513 | |
| 1514 | // TinyMCE init settings |
| 1515 | $initArray = array ( |
| 1516 | 'mode' => 'specific_textareas', |
| 1517 | 'editor_selector' => 'theEditor', |
| 1518 | 'width' => '100%', |
| 1519 | 'theme' => 'advanced', |
| 1520 | 'skin' => 'wp_theme', |
| 1521 | 'theme_advanced_buttons1' => $mce_buttons, |