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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 |
|---|---|
| 1216 | |
| 1217 | if ( $teeny ) { |
| 1218 | $mce_buttons = apply_filters( 'teeny_mce_buttons', array('bold, italic, underline, blockquote, separator, strikethrough, bullist, numlist,justifyleft, justifycenter, justifyright, undo, redo, link, unlink, fullscreen') ); |
| 1219 | $mce_buttons = implode($mce_buttons, ','); |
| 1220 | $mce_buttons_2 = $mce_buttons_3 = $mce_buttons_4 = ''; |
| 1221 | } else { |
| 1222 | $mce_buttons = apply_filters('mce_buttons', array('bold', 'italic', 'strikethrough', '|', 'bullist', 'numlist', 'blockquote', '|', 'justifyleft', 'justifycenter', 'justifyright', '|', 'link', 'unlink', 'wp_more', '|', 'spellchecker', 'fullscreen', 'wp_adv' )); |
| 1223 | $mce_buttons = implode($mce_buttons, ','); |
| 1224 | |
| 1225 | $mce_buttons_2 = apply_filters('mce_buttons_2', array('formatselect', 'underline', 'justifyfull', 'forecolor', '|', 'pastetext', 'pasteword', 'removeformat', '|', 'media', 'charmap', '|', 'outdent', 'indent', '|', 'undo', 'redo', 'wp_help' )); |
| 1226 | $mce_buttons_2 = implode($mce_buttons_2, ','); |
| 1227 | |
| 1228 | $mce_buttons_3 = apply_filters('mce_buttons_3', array()); |
| 1229 | $mce_buttons_3 = implode($mce_buttons_3, ','); |
| 1230 | |
| 1231 | $mce_buttons_4 = apply_filters('mce_buttons_4', array()); |
| 1232 | $mce_buttons_4 = implode($mce_buttons_4, ','); |
| 1233 | } |
| 1234 | $no_captions = ( apply_filters( 'disable_captions', '' ) ) ? true : false; |