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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 |
|---|---|
| 642 | 'link', |
| 643 | 'unlink', |
| 644 | 'wp_more', |
| 645 | 'spellchecker', |
| 646 | 'wp_add_media', |
| 647 | 'wp_adv', |
| 648 | ); |
| 649 | |
| 650 | /* This filter is documented in wp-includes/class-wp-editor.php */ |
| 651 | $toolbar1 = apply_filters( 'mce_buttons', $toolbar1, 'classic-block' ); |
| 652 | |
| 653 | $toolbar2 = array( |
| 654 | 'strikethrough', |
| 655 | 'hr', |
| 656 | 'forecolor', |
| 657 | 'pastetext', |
| 658 | 'removeformat', |
| 659 | 'charmap', |
| 660 | 'outdent', |