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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 |
|---|---|
| 801 | 'link', |
| 802 | 'unlink', |
| 803 | 'wp_more', |
| 804 | 'spellchecker', |
| 805 | 'wp_add_media', |
| 806 | 'wp_adv', |
| 807 | ); |
| 808 | |
| 809 | /* This filter is documented in wp-includes/class-wp-editor.php */ |
| 810 | $toolbar1 = apply_filters( 'mce_buttons', $toolbar1, 'classic-block' ); |
| 811 | |
| 812 | $toolbar2 = array( |
| 813 | 'strikethrough', |
| 814 | 'hr', |
| 815 | 'forecolor', |
| 816 | 'pastetext', |
| 817 | 'removeformat', |
| 818 | 'charmap', |
| 819 | 'outdent', |