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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 |
|---|---|
| 1494 | if ( $teeny ) { |
| 1495 | $mce_buttons = apply_filters( 'teeny_mce_buttons', array('bold, italic, underline, blockquote, separator, strikethrough, bullist, numlist,justifyleft, justifycenter, justifyright, undo, redo, link, unlink, fullscreen') ); |
| 1496 | $mce_buttons = implode($mce_buttons, ','); |
| 1497 | $mce_buttons_2 = $mce_buttons_3 = $mce_buttons_4 = ''; |
| 1498 | } else { |
| 1499 | $mce_buttons = apply_filters('mce_buttons', array('bold', 'italic', 'strikethrough', '|', 'bullist', 'numlist', 'blockquote', '|', 'justifyleft', 'justifycenter', 'justifyright', '|', 'link', 'unlink', 'wp_more', '|', 'spellchecker', 'fullscreen', 'wp_adv' )); |
| 1500 | $mce_buttons = implode($mce_buttons, ','); |
| 1501 | |
| 1502 | $mce_buttons_2 = array( 'formatselect', 'underline', 'justifyfull', 'forecolor', '|', 'pastetext', 'pasteword', 'removeformat', '|', 'charmap', '|', 'outdent', 'indent', '|', 'undo', 'redo', 'wp_help' ); |
| 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', '' ); |