Source View: blog_option_{$option}

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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: 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.

Source View

Line Code
672       * Filters a blog option value.
673       *
674       * The dynamic portion of the hook name, `$option`, refers to the blog option name.
675       *
676       * @since 3.5.0
677       *
678       * @param string  $value The option value.
679       * @param int     $id    Blog ID.
680       */
681      return apply_filters( "blog_option_{$option}", $value, $id );
682 }
684 /**
685  * Add a new option for a given blog id.
686  *
687  * You do not need to serialize values. If the value needs to be serialized, then
688  * it will be serialized before it is inserted into the database. Remember,
689  * resources can not be serialized or added as an option.
690  *