wpseo_replacement_variables_custom_fields

apply_filters('wpseo_replacement_variables_custom_fields') is found 1 times:

• /inc/class-wpseo-custom-fields.php line 56

  		 * in the meta box and sidebar.
  		 *
  		 * @param string[] $fields The custom field names.
  		 */
  		$fields = apply_filters( 'wpseo_replacement_variables_custom_fields', $fields );
  
  		if ( is_array( $fields ) ) {
  			self::$custom_fields = array_map( [ 'WPSEO_Custom_Fields', 'add_custom_field_prefix' ], $fields );
  		}
  
  		return self::$custom_fields;
  

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