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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 |
|---|---|
| 554 | 'redo', |
| 555 | 'wp_help', |
| 556 | ); |
| 557 | |
| 558 | /** This filter is documented in wp-includes/class-wp-editor.php */ |
| 559 | $toolbar2 = apply_filters( 'mce_buttons_2', $toolbar2, 'classic-block' ); |
| 560 | /** This filter is documented in wp-includes/class-wp-editor.php */ |
| 561 | $toolbar3 = apply_filters( 'mce_buttons_3', array(), 'classic-block' ); |
| 562 | /** This filter is documented in wp-includes/class-wp-editor.php */ |
| 563 | $toolbar4 = apply_filters( 'mce_buttons_4', array(), 'classic-block' ); |
| 564 | /** This filter is documented in wp-includes/class-wp-editor.php */ |
| 565 | $external_plugins = apply_filters( 'mce_external_plugins', array(), 'classic-block' ); |
| 566 | |
| 567 | $tinymce_settings = array( |
| 568 | 'plugins' => implode( ',', $tinymce_plugins ), |
| 569 | 'toolbar1' => implode( ',', $toolbar1 ), |
| 570 | 'toolbar2' => implode( ',', $toolbar2 ), |
| 571 | 'toolbar3' => implode( ',', $toolbar3 ), |
| 572 | 'toolbar4' => implode( ',', $toolbar4 ), |