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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 |
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713 |
|
714 | /** |
715 | * Filters the TinyMCE config before init. |
716 | * |
717 | * @since 2.5.0 |
718 | * |
719 | * @param array $mceInit An array with TinyMCE config. |
720 | * @param string $editor_id Unique editor identifier, e.g. 'content'. |
721 | */ |
722 | $mceInit = apply_filters( 'tiny_mce_before_init', $mceInit, $editor_id ); |
723 | } |
724 |
|
725 | if ( empty( $mceInit['toolbar3'] ) && ! empty( $mceInit['toolbar4'] ) ) { |
726 | $mceInit['toolbar3'] = $mceInit['toolbar4']; |
727 | $mceInit['toolbar4'] = ''; |
728 | } |
729 |
|
730 | self::$mce_settings[ $editor_id ] = $mceInit; |
731 | } // end if self::$this_tinymce |