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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 |
---|---|
675 |
|
676 | /** |
677 | * Filter the TinyMCE config before init. |
678 | * |
679 | * @since 2.5.0 |
680 | * |
681 | * @param array $mceInit An array with TinyMCE config. |
682 | * @param string $editor_id Unique editor identifier, e.g. 'content'. |
683 | */ |
684 | $mceInit = apply_filters( 'tiny_mce_before_init', $mceInit, $editor_id ); |
685 | } |
686 |
|
687 | if ( empty( $mceInit['toolbar3'] ) && ! empty( $mceInit['toolbar4'] ) ) { |
688 | $mceInit['toolbar3'] = $mceInit['toolbar4']; |
689 | $mceInit['toolbar4'] = ''; |
690 | } |
691 |
|
692 | self::$mce_settings[$editor_id] = $mceInit; |
693 | } // end if self::$this_tinymce |