Returns the value of the specified field (By given metaKey).
This function will return the Field single value . It has four parameter .



  • $metaKey: The Meta key of the field . eg “book_author” (required)
  • $groupIndex:Specific group index if you have duplicate group. Defaults to 1 (not required)
  • $fieldIndex:Specific field index if you have duplicate field. Defaults to 1 (not required)
  • $post_id: Specific post ID where your value was entered. Defaults to current post ID (not required)


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